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Rule Storm Chaser

Sennen Cove - Storm Chaser - Cornwall

Sennen, England, United Kingdom

Dramatic storm conditions — from atmospheric builds to active thunderstorms

No opportunities right now
Here’s what usually blocks matches

No Storm Chaser opportunities in the next 14 days

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Rule requirements (key thresholds)
Storm Intensity · ≥ 55.0% Cloud Drama Score · ≥ 55.0% CAPE · ≥ 1200.0J/kg Lifted Index · ≤ -2.0°C

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Storm Intensity 100% failing
CAPE 100% failing
Cloud Drama Score 83% failing

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts4.3m/s
Precipitation Chance0%
Air Pressure1022.8hPa
CAPE0
Lifted Index3.0°C
Wind Gusts4.3m/s
Precipitation0.0mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast identifies when Atlantic storm conditions create dramatic—but photographable—conditions along Cornwall's exposed coastline. We track storm intensity, wave height, wind speed, and clearing patterns to predict when you can safely capture storm drama.

Cornwall's position jutting into the Atlantic makes it one of Britain's premier locations for storm photography. Winter Atlantic depressions bring powerful swells that create spectacular wave action against granite cliffs, while rapid weather changes mean clearing conditions often follow close behind storm systems, providing dramatic light.

What makes Cornwall special for storm photography:

  • Atlantic exposure - Unobstructed fetch means powerful wave action at exposed headlands
  • Storm focal points - Sennen Cove and Porthleven famous for dramatic wave photography
  • Historic elements - Lighthouses and mine ruins add narrative to storm scenes
  • Rapid clearing - Post-frontal clearing often produces rainbow opportunities and dramatic light

Sennen Cove near Land's End becomes a magnet for storm photographers when Atlantic swells arrive—waves can reach spectacular heights, crashing over the harbour wall. Porthleven is notorious for storm surge conditions, with massive waves flooding the historic harbour during peak storms—dramatic but requiring extreme caution. The Botallack tin mine engine houses perched on cliffs become even more dramatic when waves explode below them. Godrevy Lighthouse withstanding storm seas creates powerful compositions. Safety is paramount—our forecast helps identify conditions that are dramatic but not dangerous, tracking when the worst of storms have passed but seas remain photogenic. Always maintain safe distances, never turn your back on the sea, and be aware that "sneaker waves" can arrive unexpectedly during storm conditions.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
OR logic: one branch per group is enough
Meets requirement
Misses requirement
Time
Europe/London
Storm Intensity
≥ 55.0%
Cloud Drama Score
≥ 55.0%
CAPE
OR1·B1
≥ 1200.0J/kg
Lifted Index
OR1·B2
≤ -2.0°C
Visibility
≥ 2500.0m
Wind Gusts
≤ 22.0m/s
Wed, Apr 8
02:000%15%0J/kg3.1°C24135m3.1m/s
03:000%10%0J/kg3°C24134m3.1m/s
04:000%5%0J/kg2.9°C24135m3.4m/s
05:000%3%0J/kg3°C24134m3.8m/s
06:000%13%0J/kg3.2°C24134m4.9m/s
07:000%14%0J/kg3.3°C24135m3.7m/s
08:000%10%0J/kg2.8°C24135m3.5m/s
09:000%11%0J/kg2.6°C24134m3.4m/s
10:000%5.1%0J/kg2.5°C24135m2.7m/s
11:000%9.7%0J/kg3°C24134m2.7m/s
12:000%12%0J/kg3.2°C24135m7.4m/s
13:000%13%0J/kg3°C24134m8m/s
14:000%6.2%0J/kg2.8°C24135m6m/s
15:000%4.1%0J/kg3°C24134m4.3m/s
16:000%8.3%0J/kg3.2°C24135m4.4m/s
17:000%12%0J/kg3.3°C24135m6m/s
18:000%13%0J/kg3.4°C24134m5.8m/s
19:000%21%0J/kg3.3°C24135m5.4m/s
20:000%65%0J/kg3.5°C24135m5.5m/s
21:000%22%0J/kg3.5°C24134m3.7m/s
22:000%12%0J/kg3.4°C24134m4.4m/s
23:000%8.4%0J/kg2.8°C24135m3.6m/s
Thu, Apr 9
24:000%14%0J/kg3.3°C24135m3.3m/s
01:000%4.1%0J/kg3.3°C24135m6.6m/s
02:000%0%0J/kg3°C24134m4.3m/s
03:000%0.5%0J/kg3.2°C24135m5.9m/s
04:000%0.9%0J/kg4.2°C24135m7m/s
05:000%0%0J/kg4°C24135m8.1m/s
06:000%12%0J/kg5°C24134m9.9m/s
07:000%14%0J/kg8.3°C24134m11m/s
08:000%42%0J/kg7.5°C24134m9.8m/s
09:000%31%0J/kg7.1°C24135m11m/s
10:0013%43%0J/kg5.8°C24134m11m/s
11:000%43%2J/kg7.4°C24135m12m/s
12:000%33%0J/kg8.6°C24135m11m/s
13:0015%29%2J/kg15°C24135m12m/s
14:000%30%10J/kg15°C24135m13m/s
15:000%9.9%0J/kg16°C24134m13m/s
16:0016%12%0J/kg17°C24135m14m/s
17:000%12%1J/kg17°C24134m13m/s
18:000%14%0J/kg18°C24134m14m/s
19:0015%15%0J/kg19°C24135m13m/s
20:000%46%0J/kg19°C24135m12m/s
21:000%40%0J/kg18°C24134m11m/s
22:0014%0%1J/kg18°C24134m10m/s
23:000%0%0J/kg18°C24135m9.9m/s
Fri, Apr 10
24:000%0%0J/kg18°C24134m9.1m/s
01:0015%0%0J/kg18°C24135m8.2m/s
02:000%0%0J/kg18°C24134m6m/s
03:000%0%0J/kg19°C24134m4m/s
04:000%0%0J/kg19°C24135m2.9m/s
05:000%0%0J/kg19°C24134m2.9m/s
06:000%44%0J/kg18°C24134m2.8m/s
07:000%52%0J/kg16°C24135m5.2m/s
08:000%48%0J/kg17°C24134m5.8m/s
09:000%51%4J/kg17°C24134m7.5m/s
10:0018%43%5J/kg16°C24135m9.7m/s
11:000%43%0J/kg15°C24135m9.9m/s
12:000%38%8J/kg15°C24134m11m/s
13:0019%38%2J/kg15°C24134m12m/s
14:000%38%3J/kg14°C24134m13m/s
15:000%39%3J/kg14°C21686m12m/s
16:0020%47%10J/kg12°C24134m12m/s
17:000%50%10J/kg11°C24134m12m/s
18:000%61%0J/kg7.5°C24135m13m/s
19:0020%66%0J/kg4.8°C24135m15m/s
20:000%71%0J/kg4.3°C24135m17m/s
21:000%65%6J/kg3.3°C24134m19m/s
22:0039%0%2J/kg3.6°C5191m20m/s
23:0033%0%4J/kg5.8°C8209m19m/s
Sat, Apr 11
24:0035%6.5%33J/kg8.1°C6732m14m/s
01:0038%4.6%1J/kg9.5°C24134m15m/s
02:000%14%14J/kg13°C24134m14m/s
03:000%10%4J/kg15°C24134m18m/s
04:0021%12%12J/kg15°C24135m15m/s
05:000%8.5%20J/kg14°C24107m14m/s
06:000%48%23J/kg14°C24135m11m/s
07:0020%35%39J/kg15°C20326m10m/s
08:000%57%69J/kg9.9°C21595m13m/s
09:000%60%99J/kg4.9°C22864m16m/s
10:0018%17%129J/kg-0.03°C24133m19m/s
11:000%48%94J/kg0.3°C24134m18m/s
12:000%46%58J/kg0.62°C24134m18m/s
13:000%46%23J/kg0.94°C24135m17m/s
14:000%46%35J/kg0.8°C24135m17m/s
15:000%46%48J/kg0.67°C24135m17m/s
16:000%56%60J/kg0.53°C24135m17m/s
17:000%80%84J/kg0.35°C20978m18m/s
18:000%95%108J/kg0.17°C17822m18m/s
19:0020%95%132J/kg-0.003°C14665m19m/s
20:000%100%130J/kg-0.02°C16333m18m/s
21:000%88%127J/kg-0.03°C18002m18m/s
22:000%0%125J/kg-0.05°C19671m18m/s
23:0015%0%116J/kg-0.04°C21043m17m/s
Sun, Apr 12
24:0015%0%107J/kg-0.03°C22416m16m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity). For OR groups, only one branch is required, so some OR-branch predicates can be ✕ even in a matching hour.

What does Cloud Drama Score mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
Europe/London
Air Pressure
hPa
CAPE
J/kg
High Clouds
%
Lifted Index
°C
Low Clouds
%
Mid-Level Clouds
%
Precipitation Chance
%
Rainfall
mm
Relative Humidity
%
Showers
mm
Simulated Reflectivity
dBZ
Solar Elevation
°
Total Cloud Coverage
%
Total Precipitation
mm
Wind Shear 0-3 km
m/s
Wind Shear 0-6 km
m/s
Wind Speed
m/s
Thu, Apr 9 Sunrise 06:42 Sunset 20:07
02:00
1023hPa 0J/kg 100% 3°C 3% 2% 0% 0mm 84% 0mm -20dBZ -32° 100% 0mm - - 3.4m/s
03:00
1023hPa 0J/kg 100% 3.2°C 0% 82% 0% 0mm 84% 0mm -20dBZ -29° 100% 0mm - - 4.7m/s
04:00
1022hPa 0J/kg 100% 4.2°C 5% 100% 0% 0mm 85% 0mm -20dBZ -23° 100% 0mm 9.7m/s 8.6m/s 5.1m/s
05:00
1022hPa 0J/kg 100% 4°C 5% 100% 0% 0mm 86% 0mm -20dBZ -16° 100% 0mm - - 5.4m/s
06:00
1022hPa 0J/kg 100% 5°C 4% 4% 0% 0mm 87% 0mm -20dBZ -7.3° 100% 0mm - - 6.3m/s
07:00
1022hPa 0J/kg 100% 8.3°C 5% 5% 0% 0mm 87% 0mm -20dBZ 2.2° 100% 0mm 12m/s 7.8m/s 6.7m/s
08:00
1022hPa 0J/kg 100% 7.5°C 5% 98% 0% 0mm 87% 0mm -15dBZ 12° 100% 0mm - - 6.6m/s
09:00
1022hPa 0J/kg 100% 7.1°C 98% 5% 0% 0mm 90% 0mm -11dBZ 21° 100% 0mm - - 7.9m/s
10:00
1023hPa 0J/kg 100% 5.8°C 100% 28% 0% 0.02mm 92% 0.01mm -6.3dBZ 30° 100% 0mm 16m/s 16m/s 8.8m/s
11:00
1023hPa 2J/kg 100% 7.4°C 100% 100% 0% 0mm 82% 0mm -11dBZ 38° 100% 0mm - - 9.1m/s
12:00
1024hPa 0J/kg 100% 8.6°C 20% 100% 0% 0mm 81% 0mm -15dBZ 44° 100% 0mm - - 9.2m/s
13:00
1024hPa 2J/kg 100% 15°C 5% 100% 0% 0mm 77% 0mm -20dBZ 47° 100% 0mm 21m/s 25m/s 9.5m/s
14:00
1025hPa 10J/kg 100% 15°C 5% 82% 0% 0mm 75% 0.01mm -20dBZ 47° 100% 0mm - - 11m/s
15:00
1025hPa 0J/kg 100% 16°C 5% 5% 0% 0mm 71% 0mm -20dBZ 43° 100% 0mm - - 12m/s
16:00
1025hPa 0J/kg 100% 17°C 5% 5% 0% 0mm 62% 0mm -20dBZ 37° 100% 0mm 18m/s 29m/s 12m/s
17:00
1025hPa 1J/kg 100% 17°C 5% 0% 0% 0mm 62% 0mm -20dBZ 29° 100% 0mm - - 12m/s
18:00
1025hPa 0J/kg 100% 18°C 5% 5% 0% 0mm 58% 0mm -20dBZ 19° 100% 0mm - - 12m/s
19:00
1025hPa 0J/kg 100% 19°C 0% 4% 0% 0mm 58% 0mm -20dBZ 9.9° 100% 0mm 15m/s 26m/s 12m/s
20:00
1026hPa 0J/kg 100% 19°C 2% 100% 0% 0mm 57% 0mm -20dBZ 0.75° 100% 0mm - - 12m/s
21:00
1027hPa 0J/kg 100% 18°C 5% 73% 0% 0mm 57% 0mm -20dBZ -8.8° 100% 0mm - - 11m/s
22:00
1027hPa 1J/kg 100% 18°C 5% 100% 0% 0mm 57% 0mm -20dBZ -17° 100% 0mm 11m/s 30m/s 10m/s
23:00
1027hPa 0J/kg 100% 18°C 5% 100% 0% 0mm 58% 0mm -20dBZ -24° 100% 0mm - - 9.9m/s
Fri, Apr 10 Sunrise 06:42 Sunset 20:07
24:00
1026hPa 0J/kg 100% 18°C 15% 100% 0% 0mm 59% 0mm -20dBZ -29° 100% 0mm - - 9.1m/s
01:00
1025hPa 0J/kg 100% 18°C 100% 100% 0% 0mm 60% 0mm -20dBZ -32° 100% 0mm 18m/s 33m/s 8.2m/s
02:00
1025hPa 0J/kg 100% 18°C 100% 100% 9% 0mm 59% 0mm -19dBZ -32° 100% 0mm - - 6m/s
03:00
1024hPa 0J/kg 100% 19°C 99% 100% 17% 0mm 58% 0mm -18dBZ -28° 100% 0mm - - 4.4m/s
04:00
1024hPa 0J/kg 100% 19°C 100% 100% 26% 0mm 57% 0mm -17dBZ -23° 100% 0mm 21m/s 36m/s 3.5m/s
05:00
1023hPa 0J/kg 100% 19°C 73% 100% 30% 0mm 57% 0mm -8.8dBZ -16° 100% 0mm - - 3.5m/s
06:00
1023hPa 0J/kg 100% 18°C 83% 100% 34% 0mm 57% 0mm -0.92dBZ -7° 100% 0mm - - 3.1m/s
07:00
1022hPa 0J/kg 100% 16°C 100% 100% 38% 0mm 59% 0mm 7dBZ 2.5° 100% 0mm 27m/s 35m/s 5.3m/s
08:00
1022hPa 0J/kg 100% 17°C 100% 100% 34% 0.01mm 62% 0mm 12dBZ 12° 100% 0mm - - 5.6m/s
09:00
1021hPa 4J/kg 100% 17°C 100% 100% 30% 0.02mm 68% 0.01mm 18dBZ 21° 100% 0mm - - 7.3m/s
10:00
1020hPa 5J/kg 100% 16°C 100% 100% 26% 0.01mm 75% 0.01mm 23dBZ 30° 100% 0.06mm 28m/s 26m/s 9.5m/s
11:00
1019hPa 0J/kg 100% 15°C 100% 100% 30% 0.03mm 75% 0.01mm 19dBZ 38° 100% 0.13mm - - 9.4m/s
12:00
1018hPa 8J/kg 100% 15°C 100% 100% 34% 0.09mm 74% 0.02mm 15dBZ 44° 100% 0.19mm - - 11m/s
13:00
1017hPa 2J/kg 100% 15°C 100% 100% 38% 0.17mm 75% 0.01mm 11dBZ 48° 100% 0.31mm 29m/s 25m/s 12m/s
14:00
1015hPa 3J/kg 100% 14°C 100% 100% 34% 0.16mm 75% 0mm 5.3dBZ 47° 100% 0.13mm - - 12m/s
15:00
1015hPa 3J/kg 100% 14°C 100% 100% 31% 0.35mm 74% 0mm -0.78dBZ 44° 100% 0.38mm - - 11m/s
16:00
1013hPa 10J/kg 100% 12°C 100% 100% 28% 0.01mm 74% 0.02mm -6.9dBZ 37° 100% 0.5mm 24m/s 25m/s 10m/s
17:00
1011hPa 10J/kg 100% 11°C 100% 100% 46% 0mm 77% 0.02mm -9.2dBZ 29° 100% 0.56mm - - 11m/s
18:00
1010hPa 0J/kg 100% 7.5°C 53% 100% 63% 0mm 82% 0.02mm -11dBZ 20° 100% 0.56mm - - 12m/s
19:00
1008hPa 0J/kg 100% 4.8°C 85% 30% 80% 0.02mm 84% 0.01mm -14dBZ 10° 100% 0.56mm 19m/s 22m/s 13m/s
20:00
1007hPa 0J/kg 100% 4.3°C 100% 98% 80% 0mm 87% 0.01mm -13dBZ 0.96° 100% 0mm - - 14m/s
21:00
1006hPa 6J/kg 100% 3.3°C 100% 98% 80% 0.04mm 88% 0.01mm -13dBZ -8.5° 100% 0.06mm - - 15m/s
22:00
1005hPa 2J/kg 99% 3.6°C 100% 100% 79% 3mm 92% 0mm -12dBZ -17° 100% 1.1mm 6.7m/s 17m/s 15m/s
23:00
1004hPa 4J/kg 5% 5.8°C 100% 100% 80% 1.6mm 93% 0.03mm 1.6dBZ -24° 100% 3mm - - 14m/s
Sat, Apr 11 Sunrise 06:40 Sunset 20:08
24:00
1005hPa 33J/kg 98% 8.1°C 100% 100% 81% 1.5mm 90% 0.25mm 16dBZ -29° 100% 5mm - - 12m/s
01:00
1005hPa 1J/kg 91% 9.5°C 100% 0% 82% 0.2mm 81% 0.02mm 30dBZ -31° 100% 6.2mm 8.8m/s 24m/s 12m/s
02:00
1006hPa 14J/kg 100% 13°C 100% 0% 73% 0mm 72% 0.05mm 29dBZ -31° 100% 0.06mm - - 13m/s
03:00
1006hPa 4J/kg 100% 15°C 5% 0% 64% 0mm 61% 0mm 28dBZ -28° 100% 0.06mm - - 14m/s
04:00
1006hPa 12J/kg 100% 15°C 5% 5% 56% 0mm 62% 0.01mm 28dBZ -22° 100% 0.06mm 35m/s 47m/s 14m/s
05:00
1006hPa 20J/kg 100% 14°C 56% 5% 60% 0mm 69% 0.08mm 27dBZ -15° 100% 0.13mm - - 13m/s
06:00
1007hPa 23J/kg 95% 14°C 95% 0% 64% 0mm 59% 0mm 27dBZ -6.6° 97% 0.19mm - - 11m/s
07:00
1007hPa 39J/kg 5% 15°C 100% 0% 69% 0mm 56% 0.2mm 27dBZ 2.8° 100% 0.25mm 10m/s 46m/s 8.8m/s
08:00
1007hPa 69J/kg 3% 9.9°C 68% 2% 59% 0.01mm 63% 0.18mm 21dBZ 12° 68% 0.4mm - - 11m/s
09:00
1006hPa 99J/kg 2% 4.9°C 37% 3% 49% 0.03mm 69% 0.15mm 15dBZ 22° 37% 0.54mm - - 14m/s
10:00
1006hPa 129J/kg 0% -0.03°C 5% 5% 39% 0.04mm 76% 0.13mm 9.1dBZ 31° 5% 0.69mm 8.3m/s 25m/s 16m/s
11:00
1006hPa 94J/kg 0% 0.3°C 5% 26% 56% 0.03mm 75% 0.09mm 8.8dBZ 39° 26% 0.79mm - - 16m/s
12:00
1006hPa 58J/kg 0% 0.62°C 5% 47% 73% 0.01mm 75% 0.04mm 8.4dBZ 45° 47% 0.9mm - - 16m/s
13:00
1006hPa 23J/kg 0% 0.94°C 5% 68% 90% 0mm 74% 0mm 8.1dBZ 48° 68% 1mm 4.4m/s 7m/s 15m/s
14:00
1007hPa 35J/kg 0% 0.8°C 5% 64% 89% 0mm 75% 0.03mm 9.8dBZ 48° 64% 0.69mm - - 15m/s
15:00
1007hPa 48J/kg 0% 0.67°C 5% 60% 88% 0mm 76% 0.07mm 11dBZ 44° 60% 0.38mm - - 15m/s
16:00
1007hPa 60J/kg 0% 0.53°C 5% 56% 87% 0mm 77% 0.1mm 13dBZ 37° 56% 0.06mm 3.7m/s 2.6m/s 15m/s
17:00
1007hPa 84J/kg 0% 0.35°C 23% 50% 89% 0mm 77% 0.25mm 5dBZ 29° 57% 0.33mm - - 15m/s
18:00
1007hPa 108J/kg 0% 0.17°C 41% 44% 92% 0mm 78% 0.41mm -3.2dBZ 20° 58% 0.6mm - - 15m/s
19:00
1007hPa 132J/kg 0% -0.003°C 59% 38% 94% 0mm 78% 0.56mm -11dBZ 10° 59% 0.88mm 5.8m/s 4.6m/s 16m/s
20:00
1007hPa 130J/kg 0% -0.02°C 48% 44% 87% 0.007mm 79% 0.47mm -4dBZ 1.2° 58% 0.92mm - - 16m/s
21:00
1007hPa 127J/kg 0% -0.03°C 36% 50% 79% 0.01mm 79% 0.37mm 3.4dBZ -8.3° 57% 0.96mm - - 16m/s
22:00
1007hPa 125J/kg 0% -0.05°C 24% 56% 71% 0.02mm 79% 0.28mm 11dBZ -17° 56% 1mm 0.26m/s 4.9m/s 15m/s
23:00
1007hPa 116J/kg 0% -0.04°C 18% 37% 76% 0.05mm 79% 0.2mm 14dBZ -24° 39% 1.3mm - - 15m/s
Sun, Apr 12 Sunrise 06:38 Sunset 20:10
24:00
1007hPa 107J/kg 0% -0.03°C 11% 19% 81% 0.08mm 79% 0.12mm 17dBZ -29° 22% 1.5mm - - 14m/s
01:00
1007hPa 98J/kg 0% -0.02°C 5% 0% 85% 0.11mm 78% 0.04mm 20dBZ -31° 5% 1.8mm 2.8m/s 3.2m/s 14m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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