Condition Analysis
AI-powered assessment using site data and 14-day weather history
The last significant rain was 8.1mm on August 19, followed by 4.0mm on August 20, with only trace amounts since (0.1mm on Aug 22, 1.0mm on Aug 25). Today marks roughly one full dry day after a light 1.0mm shower on Aug 25, but the preceding wet spell and persistently high humidity (80%+ average over the last week) mean internal moisture levels are uncertain. Conditions may be acceptable on exposed lower boulders this afternoon, but a visual and touch assessment is essential before committing — and heavy rain arrives tomorrow.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known to hold seepage longer than the lower boulders, so even if the lower problems feel dry, the upper routes may still be weeping.
- The easterly wind today does not directly hit the WSW-facing escarpment, reducing the wind-drying benefit that Bowden normally enjoys from its exposed position.
- The recent wet period (Aug 16–20 saw ~21.6mm total) followed by only partial drying means the rock's internal moisture may be higher than the surface suggests — use the ground-moisture field test at the crag base.
- Heavy rain is forecast from tomorrow (8.7mm Aug 27, 15.1mm Aug 28), so today represents the last possible window before a prolonged wet spell that will reset drying completely.
Warnings
2
- Heavy rain (8.7mm + 15.1mm) is forecast for Aug 27–28; do not plan any climbing from tomorrow through at least Sept 1.
- The rock surface may appear dry while internal moisture remains dangerously high — test holds carefully and back off at any sign of softness or dampness.
Reasoning
After 8.1mm on Aug 19 and 4.0mm on Aug 20, the rock has had roughly 5–6 days of mostly dry weather but with intermittent trace precipitation (0.1mm Aug 22, 1.0mm Aug 25) and high average humidity (~80%), meaning internal moisture may not have fully dissipated despite surface drying.
The WSW aspect would normally benefit from afternoon sun, but today's 100% cloud cover from midday onward and easterly winds (sheltering the WSW face) significantly reduce drying effectiveness — the exposed hilltop position still provides some air movement but not at the usual rate.
The cumulative 38.7mm over 28 days and the recent cluster of rain events (Aug 16–20) mean the sandstone has been repeatedly wetted; while summer temperatures help, the porous Fell Sandstone may retain enough internal moisture to pose a hold-breakage risk, particularly on the upper tier.
Late August offers reasonable temperatures (14–19°C) and long daylight hours for drying, though the bird nesting restriction (June 1–July 30) has just ended so all routes should now be accessible.
Contributing Factors
6
The last significant rain (8.1mm Aug 19, 4.0mm Aug 20) was only 6 days ago, with a further 1.0mm on Aug 25, providing barely one full dry day since the last wetting event.
Average humidity over the last 7 days is 80%, and today peaks at 88–97% overnight into mid-morning, severely limiting evaporative drying from the rock surface.
Today's easterly wind does not directly contact the WSW-facing escarpment, reducing the normally excellent wind-drying benefit of Bowden's exposed hilltop position.
Daytime temperatures around 17–19°C are adequate for evaporative drying, though not exceptional.
A four-day dry window (Aug 21–24) with moderate winds would have allowed substantial surface and partial internal drying after the Aug 19–20 rain.
8.7mm forecast for Aug 27 followed by 15.1mm on Aug 28 will thoroughly re-saturate the rock, making today the last possible window for days.
Recommendations
3
- If visiting today, check the ground at the crag base — if it is not completely sandy-dry, the rock is still holding internal moisture and should not be climbed.
- Focus on exposed lower boulders and overhanging problems which will have dried fastest; avoid the upper tier where seepage is known to persist.
- Be prepared to walk away — heavy rain arrives tomorrow so this is a narrow and uncertain window, and permanent damage to holds is not worth one session.
Previous Analyses
Marginal — Assess Conditions
62%
57 days ago
Two full dry days since the last significant rain (8.1mm on Aug 19, 4.0mm on Aug 20) with a favourable drying afternoon today, but the preceding wet spell (12.6mm in the last 7 days) and moderate humidity mean internal moisture may linger. Conditions this afternoon look promising but should be verified on-site before committing, especially as rain returns tomorrow.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known to hold seepage longer than the lower boulders, so even if lower problems feel dry the upper routes may still be damp.
- The exposed hilltop position and SW/W aspect have been receiving reasonable wind (15–20 km/h from NW/SE) over the two dry days, which significantly aids surface drying.
- A prolonged wet spell from Aug 16–20 deposited roughly 21.6mm over five days, saturating the rock more deeply than a single shower would — internal moisture may persist despite a dry surface.
- Bird nesting restriction (June 1 – July 30) has now ended, so all routes should be accessible.
Warnings
2
- Rain returns tomorrow (Aug 25) and intensifies through the week — today's afternoon window is likely the last opportunity for at least 5–6 days.
- Heavy rain of 24mm is forecast for Aug 28, which will deeply saturate the sandstone and require a minimum 2–3 dry days to recover.
Reasoning
The last significant rain was 8.1mm on Aug 19 followed by 4.0mm on Aug 20, with only trace precipitation (0.1mm) on Aug 22 — the rock has had approximately 3.5 dry days but following a cumulative 21.6mm wet spell over Aug 16–20, internal moisture likely persists in deeper pores.
The SW/W aspect and exposed hilltop position have benefited from moderate winds (12–20 km/h) and temperatures around 14–18°C over the drying window, with today's afternoon humidity dropping to 49–55% — surface drying should be well advanced but the preceding saturation depth warrants caution.
Given the multi-day wet spell ending Aug 20 and moderate average humidity of 79% over the last week, some internal weakening of the porous Fell Sandstone is possible, particularly on lower sections and areas with poor drainage.
Late summer conditions are generally favourable for drying with reasonable day length and temperatures, though the bird nesting restriction has just lifted and the approaching wet forecast will reset any drying progress.
Contributing Factors
6
A wet spell from Aug 16–20 deposited approximately 21.6mm across five days, deeply saturating the porous sandstone.
Approximately 3.5 consecutive dry days (Aug 21–24) with only a 0.1mm trace on Aug 22, meeting the minimum 2-day community guideline.
The exposed 170m hilltop position with SW/W aspect receives good wind and solar radiation, accelerating surface evaporation significantly.
Humidity drops to 49–55% this afternoon with clear skies and ~18°C temperatures, providing an excellent drying window.
Rain is forecast from Aug 25 onwards with 32.3mm expected over 5 days, meaning today is the last viable climbing window for potentially a week.
The 7-day average humidity of 79% has slowed the overall drying rate despite the favourable last two days.
Recommendations
3
- If visiting today, go in the afternoon (12:00–17:00) when humidity is lowest and drying is most advanced, and physically test the rock — if it feels cold to the touch or darkens when pressed, do not climb.
- Focus on the lower boulders and well-exposed faces rather than the upper tier, which is more prone to seepage.
- Do not plan to climb from Aug 25 onwards — significant rain is forecast and the rock will need several dry days to recover after the coming wet spell.
Do Not Climb
45%
58 days ago
Despite two dry days following the last significant rain on August 20 (4.0mm), the preceding week saw repeated rain events totalling 19.4mm, and humidity has remained high (80% average), limiting effective drying. With only light wind today and more rain forecast from August 25 onward, internal moisture levels are likely still elevated.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The exposed hilltop position and SW/W aspect have helped drying over the last two days, but the cumulative 19.4mm over the past week from multiple rain events means the rock has been repeatedly re-wetted before fully drying.
- Upper tier seepage lines at Bowden Doors can persist well beyond the drying of lower boulders — climbers often find the upper routes still weeping when the bouldering appears dry.
- The bird nesting restriction (June 1 – July 30) has now ended, so all routes should be accessible from an access perspective.
- The recent run of easterly and northerly winds (Aug 20–22) would have been less effective at drying the SW/W-facing escarpment than the prevailing westerlies.
Warnings
2
- The rock surface may appear dry while internal moisture remains dangerously high — do not rely on visual inspection alone; check ground moisture at the crag base.
- Heavy rain is forecast from Aug 27 (11.2mm) which will fully re-saturate the rock and require another extended drying period.
Reasoning
Multiple rain events over the past week (8.1mm on Aug 19, 4.0mm on Aug 20, plus smaller amounts on Aug 16–18) have kept the porous Fell Sandstone repeatedly saturated, and only ~2.5 dry days have elapsed since the last significant wetting.
While the exposed position helps, winds have been light-to-moderate and from the north/northwest (not ideal for drying a SW/W face), humidity has averaged 80%, and temperatures have been cool (12–17°C), resulting in below-average drying efficiency over the critical last 48 hours.
With repeated wetting cycles over the past month (65.9mm total) and limited drying windows between events, internal moisture is likely still elevated enough to significantly reduce sandstone strength and increase the risk of hold breakage.
Late August conditions are deteriorating from peak summer — shorter days, cooling temperatures, and increasing rainfall frequency mean drying windows are becoming less reliable than mid-summer.
Contributing Factors
7
19.4mm fell in the last 7 days across multiple events (Aug 16–20), repeatedly re-saturating the porous sandstone before it could fully dry.
Only approximately 2.5 consecutive dry days have passed since the last significant rain (4.0mm on Aug 20), which is borderline for Fell Sandstone that typically needs 2–3 dry days after moderate rain.
Average humidity over the last 7 days has been 80%, significantly slowing evaporation and internal drying of the rock.
Bowden Doors' exposed position at 170m ensures good airflow across the crag face, which is one of the most effective factors in accelerating drying.
The south-west to west facing escarpment receives good afternoon and evening solar radiation in August, aiding surface and near-surface drying.
Winds on Aug 20–22 were from N/NW, blowing across rather than onto the SW/W face, reducing their drying effectiveness on the climbing surface.
Light rain is forecast from Aug 25–28 (22.4mm total including 11.2mm on Aug 27), meaning any remaining drying window is very short.
Recommendations
3
- Wait for a longer dry spell — the current 2.5-day window after repeated wetting is insufficient to be confident the rock is dry internally, especially given the high humidity.
- If visiting tomorrow (Aug 24), which is the best day in the forecast window, treat it as an assess-on-arrival situation: check the base of the crag for damp ground and test rock surfaces before committing to climb.
- Avoid the upper tier routes entirely as seepage lines there will persist longer than the lower boulders.
Do Not Climb
40%
59 days ago
Bowden Doors received significant rain over recent days (8.1mm on Aug 19, 4.0mm on Aug 20) and has had only two dry days of drying in cool, moderately humid conditions with light winds. Despite the exposed aspect, internal moisture is very likely still present in the porous Fell Sandstone, and conditions are not yet trustworthy.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known for persistent seepage lines that can remain damp well after the lower boulders have dried, so even if lower problems look dry the upper routes may still weep.
- The WSW-facing aspect is favourable for solar drying, but the last two days have had NW winds which are less effective at driving evaporation from the main face.
- Recent weeks have been persistently wet (65.8mm in 28 days) meaning cumulative saturation of the porous sandstone is elevated well beyond what a single rain event would cause.
- The bird nesting restriction (June 1 – July 30) has now ended, so all routes are accessible from an access perspective.
Warnings
2
- Fell Sandstone loses significant strength at very low moisture levels — the rock can feel dry on the surface while remaining dangerously weakened internally.
- Climbing on insufficiently dried sandstone risks permanent hold breakage and irreversible damage to classic routes.
Reasoning
With 8.1mm on Aug 19 and 4.0mm on Aug 20 following an already wet period (21.6mm in 7 days), the high-porosity Fell Sandstone is likely still significantly saturated internally despite two dry days.
Two days of drying at 13–16°C with humidity around 72–80% and only moderate winds (13–20 km/h) from the NW — not directed onto the WSW face — is insufficient to dry rock that absorbed over 12mm of rain in the preceding 48 hours on top of cumulative wetness.
At likely internal saturation levels, compressive strength could be reduced by 20–40%, making iron-oxide cemented holds vulnerable to breakage under climbing loads.
Late August conditions are cooling and humidity is rising, which slows drying compared to peak summer; the persistently wet recent pattern compounds the problem.
Contributing Factors
6
12.1mm fell across Aug 19–20 on top of an already wet week (21.6mm total in 7 days), deeply wetting the porous sandstone.
Two days of drying after moderate-to-heavy rain on saturated rock falls short of the recommended 2–3 dry day minimum, especially given cool temperatures and elevated humidity.
Average temperature of 13.1°C and average humidity of 81% over the last week severely limit evaporation rates.
65.8mm over the past 28 days means the rock has had limited opportunity to fully dry out between rain events, raising background saturation.
Bowden's exposed position at 170m allows wind to aid surface drying, and the WSW aspect captures afternoon sun.
Winds of 13–20 km/h from the NW are moderate but not strongly directed onto the main WSW face, providing limited drying benefit.
Recommendations
3
- Wait at least one more full dry day (ideally two) before climbing — a visit on Aug 24 or later would be more appropriate if the forecast holds dry.
- If visiting, check the ground at the crag base: if it is still moist rather than sandy-dry, the rock is almost certainly still wet internally and should not be climbed.
- Focus on any overhanging or well-sheltered lower boulder problems first, as these dry fastest, but still perform a tactile check before committing to any route.
Do Not Climb
90%
60 days ago
Bowden Doors has received repeated rainfall over the past week (22.6mm in 7 days) with no consecutive dry days, and today itself has seen 1mm of rain. The rock will be saturated internally despite any surface drying, and conditions are clearly unsuitable for climbing on this porous Fell Sandstone.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The exposed hilltop position and SW/W aspect would normally aid drying, but the persistent cycle of rain every 1–2 days over the past week has prevented any meaningful drying period from establishing.
- Upper tier seepage at Bowden Doors tends to persist longer than the lower boulders — after this prolonged wet spell, seepage lines on the upper escarpment may take 3–4 days of dry weather to clear.
- The bird nesting restriction (June 1 – July 30) has now lifted, so all routes are accessible from an access perspective.
- Average humidity has been 80% over the past week with temperatures averaging only 13.4°C — these are poor drying conditions that significantly extend the time needed for internal moisture to dissipate.
Warnings
2
- Climbing on saturated Fell Sandstone causes permanent, irreversible damage to holds — the iron-oxide features that define Bowden's routes cannot be repaired.
- The rock surface may appear dry before the interior has dried sufficiently; do not rely on visual assessment alone after this prolonged wet period.
Reasoning
With 8.1mm on Aug 19, 4.0mm on Aug 20, and 1.0mm today (Aug 21), plus earlier rain on Aug 16–18, the sandstone is almost certainly saturated well beyond the critical 1% threshold at which significant weakening begins.
There have been zero consecutive dry days — every brief gap between showers has been insufficient for meaningful drying, especially given the moderate wind speeds (15–20 km/h) and high humidity (80% average) of the past week.
The repeated wetting cycles over the past two weeks create a serious risk of hold breakage and grain loosening; climbing now would risk permanent damage to the iron-oxide holds that define Bowden's routes.
Late August should offer reasonable drying conditions, but this has been an unusually unsettled spell with below-average temperatures (13–16°C) and above-average humidity, mimicking autumnal conditions.
Contributing Factors
6
22.6mm over the past 7 days with rain on 5 of the last 7 days means the rock has had no opportunity to dry internally.
Today has received 1mm of rain, maintaining continuous surface wetting and preventing any evaporative drying front from progressing inward.
Average humidity of 80% and temperatures of only 13.4°C over the past week severely limit evaporation rates even at this exposed site.
The exposed position with moderate westerly winds provides better drying potential than sheltered crags, but this advantage has been negated by the frequency of rainfall.
The south-west to west facing aspect receives good afternoon solar radiation which will assist drying once a dry spell establishes.
66.8mm over the past 28 days with rain on roughly half the days suggests deep internal moisture accumulation in this porous sandstone.
Recommendations
3
- Do not climb today — the rock is wet and internally saturated; wait for a sustained dry spell of at least 2–3 days.
- Monitor the forecast: if Aug 22's light rain (0.7mm) proves to be the last, the earliest window may open around Aug 24–25 but will require on-site assessment.
- When you do visit, test the ground at the crag base — if the soil is still damp, the rock is too wet to climb safely.
Do Not Climb
93%
61 days ago
Bowden Doors received 11.4mm of rain today (mostly overnight/early morning) on top of 9.6mm yesterday and a cumulative 30.5mm over the past week — the rock is thoroughly saturated and conditions are clearly unsafe. With further rain forecast tomorrow (3.9mm on Aug 21), meaningful drying cannot begin until August 22 at the earliest.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known for persistent seepage lines that take longer to dry than the lower boulders, so even when the lower problems feel dry, upper routes may still weep.
- The WSW/W aspect is currently unhelpful as today's wind is from the north, reducing the direct airflow benefit across the face and limiting solar-driven drying.
- The recent wet pattern (74.7mm in 28 days with multiple rewetting events on Aug 16-17, 19, and 20) means the sandstone has had almost no opportunity to fully dry out internally between rain episodes.
- Bird nesting restrictions ran June 1 – July 30, so access is now unrestricted, but climbers should still check the BMC RAD for any late-season extensions.
Warnings
2
- Fell Sandstone loses up to 32% compressive strength when wet — climbing today or in the next two days risks breaking holds and permanently damaging routes.
- The surface may appear dry before the interior has dried sufficiently; do not rely on visual or touch inspection of the face alone — check the ground at the crag base.
Reasoning
The rock is saturated after 11.4mm today, 9.6mm yesterday, and repeated wetting events over the past week with no consecutive dry days — internal moisture levels will be very high.
Despite Bowden's exposed hilltop position, the northerly wind today offers no direct benefit to the WSW-facing escarpment, temperatures are a cool 13–14°C, and humidity is 71–82%, meaning drying will be slow; meaningful drying cannot start until Aug 22 after further rain forecast on Aug 21.
With the rock likely near or above 60% pore saturation from cumulative recent rainfall, holds are significantly weakened (up to 32% average compressive strength loss) and climbing risks permanent hold breakage and accelerated erosion.
Mid-August temperatures are adequate for drying in theory, but the current cool, unsettled spell with below-average temps (~14°C) and above-average humidity (~79%) is limiting drying capacity considerably.
Contributing Factors
7
11.4mm fell predominantly overnight and early morning, thoroughly wetting the rock surface and replenishing internal moisture reserves.
30.5mm over the past 7 days with repeated rewetting events means the sandstone has had no opportunity to dry internally.
3.9mm forecast for August 21 will reset the drying clock again before any meaningful drying can occur.
Average temperatures of ~14°C this week are well below summer norms for the area, slowing evaporation rates significantly.
Bowden's exposed position at 170m means wind can accelerate surface drying once dry weather establishes, but this benefit is currently negated by ongoing precipitation.
Average humidity of 79% over the past week limits the moisture gradient driving evaporation from the rock surface.
Today's north wind does not blow directly onto the WSW-facing escarpment, reducing the wind-assisted drying benefit.
Recommendations
3
- Do not climb today or tomorrow — the rock is saturated and any climbing risks permanent damage to Bowden's irreplaceable Fell Sandstone holds.
- The earliest realistic window to assess conditions is August 24, after two full dry days (Aug 22–23), but be prepared for upper-tier seepage to persist.
- On arrival, check the base of the crag: if soil and sand are still damp, the rock is still too wet internally regardless of surface appearance.
Do Not Climb
88%
62 days ago
Bowden Doors has received repeated rainfall over the past week — 6.8mm on Aug 17, light rain on Aug 18, and further showers today (1.4mm) — with no meaningful dry spell to allow the porous Fell Sandstone to dry internally. The rock will be wet and structurally weakened; climbing today would risk hold breakage and permanent crag damage.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known for persistent seepage lines that take significantly longer to dry than the lower boulders, so even when surfaces look dry the upper routes may still weep.
- The WSW-facing aspect is favourable for solar drying, but today's 100% cloud cover and high humidity negate most of that advantage.
- The exposed hilltop position normally aids wind-driven drying, but recent winds have been moderate (12–18 km/h) and today's are light to moderate, limiting evaporative benefit.
- The bird nesting restriction (June 1 – July 30) has now ended, so all routes should be accessible once conditions allow.
Warnings
2
- Climbing on wet Fell Sandstone causes permanent, irreversible damage to holds — the iron-oxide cemented features that define Bowden's routes are especially fragile when saturated.
- The rock surface may appear dry before the interior has dried — do not trust visual appearance alone; check for dark patches, damp ground at the crag base, and cool-to-touch rock.
Reasoning
Rain fell on Aug 16 (2.3mm), Aug 17 (6.8mm), Aug 18 (0.4mm), and today Aug 19 (1.4mm with more showers forecast this afternoon), meaning the rock has had zero consecutive fully dry days and the sandstone will be saturated internally.
With no dry day since Aug 15 and humidity averaging 76–85% over the past few days, even the exposed SW aspect and moderate winds have been insufficient to drive meaningful drying — the porous sandstone needs 2–3 consecutive dry days after this cumulative wetting.
At current moisture levels the Fell Sandstone could be experiencing 10–50% compressive strength loss, making iron-oxide cemented holds vulnerable to breakage under climbing loads.
Mid-August temperatures (13–18°C) are adequate for drying when dry weather arrives, but the recent unsettled pattern with frequent showers has kept the rock in a persistently damp state.
Contributing Factors
6
Rain on four of the last four days (Aug 16–19) totalling ~10.9mm has kept the sandstone in a continuously wet state with no drying window.
There have been no fully dry days since Aug 15, far short of the 2–3 dry days required for Fell Sandstone after moderate rain.
Humidity has averaged 76–85% over the past week, severely limiting evaporative drying even at the exposed hilltop.
Today's forecast includes intermittent light showers through the afternoon (1.4mm total), re-wetting any surface that might begin to dry.
The hilltop WSW-facing position is one of the fastest-drying orientations in Northumberland, which will help once dry weather arrives.
An additional 2.9mm is forecast for Aug 20, delaying the start of a meaningful drying period until Aug 21.
Recommendations
3
- Do not climb today — the rock is wet from repeated recent rain and structurally compromised.
- The first realistic window opens from Aug 23 onward, after two full dry days (Aug 21–22) with improving humidity; assess conditions on arrival that day.
- Check for seepage on the upper tier even when lower boulders appear dry, and use the base-of-crag ground moisture test before committing to climb.
Do Not Climb
90%
63 days ago
Bowden Doors received 4.6mm of rain early this morning (mostly between midnight and 2am), on top of 2.3mm on Aug 16 and 4.8mm on Aug 17 — a cumulative ~12mm over the last three days with zero consecutive dry days. The porous Fell Sandstone will be saturated internally despite any surface drying from today's westerly winds, and conditions are clearly unsuitable for climbing.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known for persistent seepage lines that take longer to dry than the lower boulders, so even when the lower problems feel dry the upper routes may still be weeping.
- Bowden's exposed hilltop position and SW/W aspect mean it benefits from today's strong westerly winds (up to 32 km/h) and afternoon sun, but three consecutive days of rain have loaded moisture deep into the rock.
- The bird nesting restriction (June 1 – July 30) has now expired, so all areas are accessible from an access perspective.
- The ground at the base of the crag is likely to remain visibly damp given the repeated recent rain — a reliable field indicator that internal moisture persists.
Warnings
2
- Climbing on wet Fell Sandstone causes permanent, irreversible damage to holds — iron-oxide features that define Bowden's routes cannot be replaced.
- The rock surface may appear dry later this afternoon due to wind, but internal saturation will still dramatically weaken holds — do not be deceived by surface appearance.
Reasoning
Three consecutive days of precipitation (2.3mm on Aug 16, 4.8mm on Aug 17, 4.6mm on Aug 18) totalling ~12mm have thoroughly saturated the porous Fell Sandstone, with the wetting front likely penetrating deep into the rock.
Although the rest of today is forecast dry with decent westerly winds (22–32 km/h) and moderate temperatures (~18°C), drying only began around 2am and the rock has had less than 24 hours without rain — far short of the 48–72+ hours needed after this cumulative rainfall.
At current saturation levels, compressive strength is likely reduced by 30%+ and iron-oxide holds are at serious risk of breakage; climbing would cause permanent damage to routes.
Mid-August provides reasonable temperatures and daylight for drying, but the recent pattern of frequent showers (55.9mm in 28 days) means the rock has had limited opportunity to fully dry out between events.
Contributing Factors
7
4.6mm of rain fell in the early hours today, directly wetting the rock surface and re-saturating any partially dried pores.
A total of ~12mm fell across Aug 16–18, loading moisture progressively deeper into the porous sandstone with no intervening dry period.
The guideline of 2–3 dry days after heavy rain cannot be met when today itself saw significant precipitation.
Winds of 22–32 km/h from the W/SW directly hitting the crag face will accelerate surface evaporation through the afternoon.
Afternoon temperatures reaching 18°C support reasonable evaporation rates at the surface.
55.9mm of rain over the past 28 days with frequent wet spells means the rock has rarely been fully dry this period.
3.1mm forecast for Aug 19 will re-wet any surface drying achieved today, resetting the clock.
Recommendations
3
- Do not climb today — the rock rained on this morning and is clearly too wet for safe climbing on Fell Sandstone.
- Monitor the forecast closely; the current outlook shows rain on each of the next five days, so a viable climbing window is unlikely before Aug 24 at the earliest.
- If visiting the area, consider non-porous alternatives such as the Whin Sill crags (e.g. Crag Lough, Peel Crag) which tolerate moisture far better than sandstone.
Do Not Climb
90%
64 days ago
Bowden Doors has received rain on multiple recent days (2.3mm on Aug 16, 4.3mm today including heavy showers forecast tonight) with no meaningful drying window, and the next several days bring further significant rainfall totalling over 16mm. The rock is almost certainly wet internally and conditions will not improve this week.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known to hold seepage longer than the lower boulders, and with repeated recent rain events the upper routes will be particularly slow to dry.
- The WSW aspect is partially negated by the NE wind today and forecast N/NW winds later this week, reducing the beneficial drying effect of wind blowing across the face.
- Despite Bowden's exposed hilltop position, the cumulative 50.8mm over 28 days with frequent top-ups means the sandstone's pore network is likely near saturation, requiring an extended dry spell to recover.
- Bird nesting restrictions ended on July 30, so all routes are currently accessible from an access perspective — the issue is purely rock condition.
Warnings
2
- Climbing on Fell Sandstone in its current saturated state risks permanent hold breakage and irreversible route damage — the rock can lose 30%+ of its compressive strength when wet.
- Tonight's heavy rain (forecast 4mm+ between 22:00–23:59) will further saturate already-damp rock, making surface-dry appearances tomorrow morning dangerously misleading.
Reasoning
The rock has received 2.3mm yesterday, 4.3mm today, and had 6.5mm on Aug 9 with only brief dry spells in between, meaning internal moisture levels are high and the pore network is likely well above the critical 1% saturation threshold.
There have been zero consecutive fully dry days leading into today, winds have been moderate but from the NE (not hitting the WSW face effectively), and humidity has averaged 73% over the past week — all of which mean negligible net drying has occurred since the last rain.
With repeated wetting events over recent weeks (50.8mm in 28 days) and no extended drying window, the Fell Sandstone is at significant risk of hold breakage and grain loosening, particularly on the iron-oxide-cemented small holds that define many routes.
Mid-August should be peak season but an unsettled weather pattern with frequent rain and below-average temperatures (16.9°C average) is preventing the rock from drying adequately between showers.
Contributing Factors
6
Rain on Aug 16 (2.3mm), today (4.3mm with heavy showers tonight), and further rain forecast for Aug 18–21 means the rock has had no chance to dry and won't get one soon.
50.8mm over 28 days with frequent top-ups has kept the porous Fell Sandstone persistently damp internally, far exceeding the point where surface drying alone indicates safe conditions.
Average humidity of 73% over the past week with today reaching 83% severely limits evaporative drying even at the exposed hilltop position.
Today's NE wind and forecast N winds do not directly impinge on the WSW-facing escarpment, reducing the usual drying benefit of Bowden's exposed position.
The forecast shows rain on each of the next four days (Aug 18–21) totalling 16.6mm, meaning conditions will worsen before they improve.
Temperatures around 17°C are adequate for some evaporation but are below the seasonal average and insufficient to compensate for persistent re-wetting.
Recommendations
3
- Do not climb at Bowden Doors today or in the coming days — the rock is wet and further rain is forecast through August 21.
- Monitor conditions from August 22 onward when a dry window may begin, but expect to need at least 2–3 full dry days before the sandstone is safe.
- If visiting the area, consider alternative non-porous rock venues (e.g. Whinstone crags like Kyloe or the Whin Sill) where wet-rock structural damage is not a concern, though surfaces will still be slippery.
Do Not Climb
70%
65 days ago
Today has seen 1.6mm of rain and the forecast shows continuous rainfall over the next three days (Aug 17–20), totalling nearly 20mm. Although the rock had a good drying spell from Aug 10–15, the current and incoming wet weather means Bowden Doors will be damp through at least Aug 20, with meaningful drying unlikely until Aug 21 at the earliest.
Based on weather conditions only — does not cover bird nesting restrictions or other access issues.
- The upper tier at Bowden Doors is known to hold seepage longer than the lower boulders, so even when the lower problems feel dry, the trad routes above may still be weeping.
- The bird nesting restriction (June 1 – July 30) has now lifted, so full access is available from August 1.
- Bowden's exposed WSW hilltop position and prevailing westerly winds are strong drying assets, but the succession of rain events forecast through Aug 17–20 will negate this advantage.
- Cumulative rainfall over the past month (45.8mm) means background moisture levels in the porous Fell Sandstone are elevated compared to a prolonged dry spell.
Warnings
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- Do not climb on Fell Sandstone that appears surface-dry but has had fewer than two full dry days — internal moisture causes hold breakage and permanent route damage.
- The forecast rain through Aug 17–20 will re-saturate the rock repeatedly; surface drying between showers does not indicate the rock is safe to climb.
Reasoning
Today's 1.6mm of rain has re-wetted surface rock, and the previous truly dry spell (Aug 10–15) was preceded by rain on Aug 9 (6.5mm) and Aug 6 (2.3mm), meaning the rock had only just reached a reliably dry state before today's wetting.
The SW/W aspect and exposed position would normally allow rapid drying, but with rain forecast on each of the next three days (2.8mm, 5.4mm, 6.1mm, 5.6mm) the rock will not begin meaningful drying until Aug 21 at the earliest.
Repeated wetting-drying cycles through late July and August have kept the sandstone periodically saturated, increasing the risk of grain loosening and hold breakage if climbed on while still damp internally.
Mid-summer temperatures (16–19°C) and moderate winds are adequate for drying once the rain stops, but the current unsettled pattern prevents any sustained drying window.
Contributing Factors
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1.6mm today followed by ~20mm forecast over Aug 17–20 ensures the rock will remain wet for several days.
The hilltop position with prevailing westerly winds is one of the fastest-drying Fell Sandstone venues, which will help once rain stops.
45.8mm of rain over the past 28 days has kept the porous sandstone periodically saturated, preventing deep drying.
Temperatures of 16–19°C support reasonable evaporation rates but are not exceptional for rapid drying.
Humidity of 77–85% over the next few days will slow surface evaporation and internal drying.
Recommendations
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- Wait until at least Aug 22–23 before visiting, allowing a minimum of two full dry days after the last forecast rain on Aug 20.
- On arrival, check the base of the crag — if the ground beneath the rock is damp rather than sandy-dry, the sandstone is still holding internal moisture.
- If conditions look marginal, prioritise the lower, more exposed boulder problems over the upper tier, which holds seepage longer.
Climbing Outlook