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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
Cloud Drama Score 94% failing
CAPE 42% failing

Currently

Real-time conditions
Cloud Cover0%
Wind Gusts3.5m/s
Precipitation Chance0%
Air Pressure1029.9hPa
CAPE0
Lifted Index4.3°C
Wind Gusts3.5m/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
Sat, May 23
14:000%44%0J/kg8°C24134m3.2m/s
15:000%18%0J/kg9.3°C24135m3.7m/s
16:000%21%0J/kg9.2°C24134m4.3m/s
17:000%51%0J/kg9.2°C24135m4.2m/s
18:000%15%0J/kg8.8°C24135m4.9m/s
19:000%15%0J/kg8.4°C24134m5.1m/s
20:000%14%0J/kg7.9°C24134m5m/s
21:000%1.4%0J/kg8.5°C24134m4.7m/s
22:000%0.8%0J/kg8.5°C24135m4.5m/s
23:000%0.8%0J/kg8.5°C24135m4.8m/s
Sun, May 24
24:000%0.9%0J/kg8.1°C24135m5.1m/s
01:000%0.8%0J/kg7.7°C24135m5.3m/s
02:000%0.7%0J/kg7.2°C24135m6.2m/s
03:000%1%0J/kg5.8°C24135m6.9m/s
04:000%7%0J/kg5.8°C24135m6.3m/s
05:000%11%0J/kg5.2°C24134m5m/s
06:000%13%0J/kg4.4°C24135m4.8m/s
07:000%12%0J/kg4.1°C24134m4.3m/s
08:000%10%0J/kg4.5°C24134m3.9m/s
09:000%1.4%0J/kg4.1°C24134m3.2m/s
10:000%1%0J/kg4.4°C24134m2.7m/s
11:000%0.6%0J/kg4°C24135m2.7m/s
12:000%0.1%0J/kg3.8°C24134m2.6m/s
13:000%0.2%0J/kg4.1°C24135m3.7m/s
14:000%0.4%0J/kg4.3°C24135m3.5m/s
15:000%0.4%0J/kg3.8°C24135m4.5m/s
16:000%2.2%0J/kg3.5°C24134m4.6m/s
17:000%0%0J/kg3.8°C24134m3.6m/s
18:000%0%0J/kg4.5°C24134m3.4m/s
19:000%0%0J/kg4.7°C24134m4m/s
20:000%0%0J/kg4.6°C24135m4.9m/s
21:000%0%0J/kg4.1°C24134m5.8m/s
22:000%0%0J/kg2.9°C24135m6m/s
23:000%0%0J/kg2.6°C24134m6.3m/s
Mon, May 25
24:000%0%0J/kg3°C24135m7.3m/s
01:000%0%0J/kg2.5°C24135m7.5m/s
02:000%0%32J/kg1.1°C24135m8.7m/s
03:000%0%165J/kg-0.4°C24135m11m/s
04:000%4.8%583J/kg-2°C24135m11m/s
05:000%5.7%709J/kg-2.5°C24134m12m/s
06:000%5.6%575J/kg-2.2°C24134m12m/s
07:000%5.2%551J/kg-2.2°C24134m12m/s
08:000%5.2%748J/kg-2.8°C24135m12m/s
09:000%4.4%648J/kg-2.8°C24134m12m/s
10:000%4.2%284J/kg-1.7°C24135m12m/s
11:000%4.5%292J/kg-1.9°C24135m12m/s
12:000%5.1%240J/kg-1.9°C24134m12m/s
13:000%4.5%233J/kg-1.8°C24135m12m/s
14:000%5.4%238J/kg-1.6°C24134m12m/s
15:000%5.7%244J/kg-1.6°C24134m11m/s
16:000%13%245J/kg-1.7°C24134m11m/s
17:000%22%275J/kg-1.8°C24134m11m/s
18:000%26%410J/kg-2.5°C24135m9.3m/s
19:000%80%602J/kg-3.4°C24134m9.2m/s
20:000%93%810J/kg-4.1°C24135m8.8m/s
21:000%100%996J/kg-4.7°C24134m7.8m/s
22:000%66%1198J/kg-5.3°C24135m7.4m/s
23:000%8.9%1429J/kg-6.1°C24134m7.2m/s
Tue, May 26
24:000%1.7%1528J/kg-6.4°C24134m7.3m/s
01:000%1.8%1727J/kg-7°C24135m8.3m/s
02:000%0.5%1769J/kg-7.1°C24134m8.1m/s
03:000%0.4%1806J/kg-6.9°C24135m7.2m/s
04:000%0.2%1882J/kg-6.5°C24134m7.1m/s
05:000%0.3%1835J/kg-6.1°C24134m7.5m/s
06:000%6.2%1655J/kg-5.4°C24134m8.4m/s
07:000%6%919J/kg-3.2°C24135m8.9m/s
08:000%6.2%557J/kg-1.9°C24134m10m/s
09:000%6.5%1184J/kg-3.7°C24135m10m/s
10:000%5.7%1100J/kg-3.3°C24134m10m/s
11:000%5.4%827J/kg-2.6°C24135m10m/s
12:000%8.2%773J/kg-2.5°C24134m10m/s
13:000%13%786J/kg-2.5°C24134m10m/s
14:000%5.5%671J/kg-2.2°C24134m9.8m/s
15:000%5.4%550J/kg-1.9°C24135m9.9m/s
16:000%5.4%290J/kg-1.2°C24135m9.6m/s
17:000%6.2%124J/kg-0.8°C24134m9.5m/s
18:000%8.4%28J/kg-0.3°C24135m8.9m/s
19:000%13%17J/kg-0.2°C24134m9.1m/s
20:000%16%287J/kg-1.2°C24134m10m/s
21:000%27%558J/kg-2.2°C24135m11m/s
22:000%35%828J/kg-3.2°C24135m12m/s
23:000%0%889J/kg-3.4°C24135m13m/s
Wed, May 27
24:000%0%951J/kg-3.5°C24135m13m/s
01:000%0%1012J/kg-3.7°C24135m14m/s
02:000%0%913J/kg-3.6°C24135m14m/s
03:000%0%815J/kg-3.4°C24135m14m/s
04:000%9.6%716J/kg-3.2°C24135m14m/s
05:000%15%681J/kg-3.1°C24135m15m/s
06:000%13%646J/kg-3°C24135m15m/s
07:000%12%611J/kg-2.9°C24135m15m/s
08:000%12%678J/kg-3.1°C24135m15m/s
09:000%12%745J/kg-3.4°C24135m15m/s
10:000%12%812J/kg-3.6°C24135m16m/s
11:000%11%803J/kg-3.6°C22209m15m/s
12:000%9%794J/kg-3.7°C20282m14m/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
Sun, May 24 Sunrise 05:25 Sunset 21:14
14:00
1030hPa 0J/kg 0% 4.3°C 0% 0% 0% 0mm 84% 0mm -20dBZ 60° 0% 0mm - - 2.5m/s
15:00
1030hPa 0J/kg 0% 3.8°C 0% 0% 0% 0mm 82% 0mm -20dBZ 55° 0% 0mm - - 2.6m/s
16:00
1029hPa 0J/kg 0% 3.5°C 0% 0% 0% 0mm 82% 0mm -20dBZ 47° 0% 0mm 5.1m/s 12m/s 2.6m/s
17:00
1029hPa 0J/kg 0% 3.8°C 0% 0% 0% 0mm 82% 0mm -20dBZ 38° 0% 0mm - - 2.5m/s
18:00
1029hPa 0J/kg 0% 4.5°C 0% 0% 0% 0mm 82% 0mm -20dBZ 29° 0% 0mm - - 2.5m/s
19:00
1029hPa 0J/kg 0% 4.7°C 0% 0% 0% 0mm 81% 0mm -20dBZ 19° 0% 0mm 6.1m/s 12m/s 2.9m/s
20:00
1029hPa 0J/kg 0% 4.6°C 0% 0% 0% 0mm 81% 0mm -20dBZ 9.8° 0% 0mm - - 3.9m/s
21:00
1029hPa 0J/kg 0% 4.1°C 0% 0% 0% 0mm 80% 0mm -20dBZ 1.5° 0% 0mm - - 4.7m/s
22:00
1029hPa 0J/kg 0% 2.9°C 0% 0% 0% 0mm 80% 0mm -20dBZ -6.4° 0% 0mm 5.2m/s 11m/s 4.9m/s
23:00
1029hPa 0J/kg 0% 2.6°C 0% 0% 0% 0mm 80% 0mm -20dBZ -13° 0% 0mm - - 5.1m/s
Mon, May 25 Sunrise 05:25 Sunset 21:14
24:00
1029hPa 0J/kg 0% 3°C 0% 0% 0% 0mm 81% 0mm -20dBZ -17° 0% 0mm - - 5.2m/s
01:00
1029hPa 0J/kg 0% 2.5°C 0% 0% 0% 0mm 83% 0mm -20dBZ -19° 0% 0mm 4.1m/s 9.8m/s 5.5m/s
02:00
1028hPa 32J/kg 0% 1.1°C 0% 0% 0% 0mm 84% 0mm -20dBZ -18° 0% 0mm - - 6m/s
03:00
1028hPa 165J/kg 0% -0.4°C 0% 0% 0% 0mm 86% 0mm -20dBZ -16° 0% 0mm - - 6.7m/s
04:00
1028hPa 583J/kg 0% -2°C 0% 0% 0% 0mm 86% 0mm -20dBZ -11° 0% 0mm 2.9m/s 6.9m/s 7.3m/s
05:00
1027hPa 709J/kg 0% -2.5°C 0% 0% 0% 0mm 87% 0mm -20dBZ -3.9° 0% 0mm - - 7.7m/s
06:00
1027hPa 575J/kg 0% -2.2°C 0% 0% 0% 0mm 87% 0mm -20dBZ 4.2° 0% 0mm - - 8m/s
07:00
1028hPa 551J/kg 0% -2.2°C 0% 0% 0% 0mm 87% 0mm -20dBZ 13° 0% 0mm 2.3m/s 4.2m/s 8m/s
08:00
1028hPa 748J/kg 0% -2.8°C 0% 0% 0% 0mm 88% 0mm -20dBZ 22° 0% 0mm - - 7.8m/s
09:00
1028hPa 648J/kg 0% -2.8°C 0% 0% 0% 0mm 90% 0mm -20dBZ 32° 0% 0mm - - 7.9m/s
10:00
1028hPa 284J/kg 0% -1.7°C 0% 0% 0% 0mm 92% 0mm -20dBZ 41° 0% 0mm 4.7m/s 4.2m/s 8.1m/s
11:00
1028hPa 292J/kg 0% -1.9°C 0% 0% 0% 0mm 92% 0mm -20dBZ 50° 0% 0mm - - 8.1m/s
12:00
1028hPa 240J/kg 0% -1.9°C 0% 0% 0% 0mm 93% 0mm -20dBZ 57° 0% 0mm - - 8m/s
13:00
1028hPa 233J/kg 0% -1.8°C 0% 0% 0% 0mm 93% 0mm -20dBZ 61° 0% 0mm 4.2m/s 2.9m/s 7.8m/s
14:00
1028hPa 238J/kg 0% -1.6°C 0% 0% 4% 0mm 93% 0mm -20dBZ 60° 0% 0mm - - 7.8m/s
15:00
1027hPa 244J/kg 0% -1.6°C 0% 0% 8% 0mm 94% 0mm -20dBZ 55° 0% 0mm - - 7.6m/s
16:00
1027hPa 245J/kg 0% -1.7°C 0% 0% 13% 0mm 94% 0mm -20dBZ 47° 0% 0mm 4.5m/s 4.2m/s 7.3m/s
17:00
1027hPa 275J/kg 1% -1.8°C 0% 1% 42% 0mm 93% 0mm -20dBZ 38° 2% 0mm - - 6.9m/s
18:00
1027hPa 410J/kg 5% -2.5°C 0% 5% 71% 0mm 92% 0mm -20dBZ 29° 5% 0mm - - 6.6m/s
19:00
1027hPa 602J/kg 5% -3.4°C 0% 51% 100% 0mm 92% 0mm -20dBZ 19° 51% 0mm 1.5m/s 0.78m/s 6.5m/s
20:00
1027hPa 810J/kg 13% -4.1°C 0% 15% 72% 0mm 92% 0mm -20dBZ 9.9° 15% 0mm - - 6.2m/s
21:00
1027hPa 996J/kg 20% -4.7°C 0% 73% 44% 0mm 91% 0mm -20dBZ 1.6° 73% 0mm - - 5.8m/s
22:00
1027hPa 1198J/kg 37% -5.3°C 0% 90% 15% 0mm 91% 0mm -20dBZ -6.2° 90% 0mm 2.9m/s 2.5m/s 5.5m/s
23:00
1027hPa 1429J/kg 1% -6.1°C 0% 21% 16% 0mm 92% 0mm -19dBZ -12° 21% 0mm - - 5.3m/s
Tue, May 26 Sunrise 05:24 Sunset 21:15
24:00
1027hPa 1528J/kg 0% -6.4°C 0% 0% 16% 0mm 93% 0mm -19dBZ -17° 0% 0mm - - 5.5m/s
01:00
1027hPa 1727J/kg 0% -7°C 0% 0% 17% 0mm 93% 0mm -18dBZ -19° 0% 0mm 2.8m/s 4.5m/s 6m/s
02:00
1026hPa 1769J/kg 0% -7.1°C 0% 0% 11% 0mm 93% 0mm -19dBZ -18° 0% 0.13mm - - 5.9m/s
03:00
1026hPa 1806J/kg 0% -6.9°C 0% 0% 6% 0mm 93% 0mm -19dBZ -15° 0% 0.13mm - - 5.4m/s
04:00
1026hPa 1882J/kg 0% -6.5°C 0% 0% 0% 0mm 93% 0mm -19dBZ -10° 0% 0.13mm 2.6m/s 3.5m/s 5.3m/s
05:00
1026hPa 1835J/kg 0% -6.1°C 0% 0% 0% 0mm 94% 0mm -20dBZ -3.7° 0% 0.13mm - - 5.6m/s
06:00
1026hPa 1655J/kg 0% -5.4°C 0% 0% 0% 0mm 95% 0mm -20dBZ 4.3° 0% 0.13mm - - 6.2m/s
07:00
1026hPa 919J/kg 0% -3.2°C 0% 0% 0% 0mm 95% 0mm -20dBZ 13° 0% 0.13mm 2.3m/s 0.67m/s 6.8m/s
08:00
1026hPa 557J/kg 0% -1.9°C 0% 0% 0% 0mm 96% 0mm -20dBZ 22° 0% 0mm - - 7.3m/s
09:00
1026hPa 1184J/kg 0% -3.7°C 0% 0% 0% 0mm 96% 0mm -20dBZ 32° 0% 0mm - - 7.4m/s
10:00
1026hPa 1100J/kg 0% -3.3°C 0% 0% 0% 0mm 96% 0mm -20dBZ 41° 0% 0mm 2.3m/s 2m/s 7.5m/s
11:00
1026hPa 827J/kg 0% -2.6°C 4% 0% 0% 0mm 96% 0mm -20dBZ 50° 4% 0mm - - 7.2m/s
12:00
1026hPa 773J/kg 0% -2.5°C 9% 0% 0% 0mm 97% 0mm -20dBZ 57° 9% 0mm - - 7.1m/s
13:00
1026hPa 786J/kg 0% -2.5°C 18% 0% 0% 0mm 98% 0mm -20dBZ 61° 18% 0mm 2.4m/s 3.4m/s 7m/s
14:00
1026hPa 671J/kg 0% -2.2°C 8% 0% 0% 0mm 97% 0mm -20dBZ 60° 8% 0mm - - 6.8m/s
15:00
1026hPa 550J/kg 0% -1.9°C 0% 0% 0% 0mm 95% 0mm -20dBZ 55° 0% 0mm - - 6.9m/s
16:00
1025hPa 290J/kg 0% -1.2°C 0% 0% 0% 0mm 94% 0mm -20dBZ 47° 0% 0mm 3.9m/s 5.5m/s 6.8m/s
17:00
1025hPa 124J/kg 0% -0.8°C 0% 0% 17% 0mm 92% 0mm -20dBZ 38° 0% 0mm - - 6.8m/s
18:00
1025hPa 28J/kg 0% -0.3°C 0% 0% 33% 0mm 90% 0mm -20dBZ 29° 0% 0mm - - 6.7m/s
19:00
1025hPa 17J/kg 0% -0.2°C 0% 0% 50% 0mm 87% 0mm -20dBZ 19° 0% 0mm 4.9m/s 6.5m/s 6.9m/s
20:00
1024hPa 287J/kg 4% -1.2°C 0% 1% 50% 0mm 86% 0mm -20dBZ 10° 4% 0.02mm - - 7.2m/s
21:00
1023hPa 558J/kg 8% -2.2°C 0% 1% 50% 0mm 84% 0mm -20dBZ 1.7° 8% 0.04mm - - 7.6m/s
22:00
1023hPa 828J/kg 12% -3.2°C 0% 2% 50% 0mm 82% 0mm -20dBZ -6.1° 12% 0.06mm 3.2m/s 5.9m/s 7.9m/s
23:00
1023hPa 889J/kg 10% -3.4°C 0% 2% 38% 0mm 83% 0mm -20dBZ -12° 10% 0.08mm - - 8.2m/s
Wed, May 27 Sunrise 05:23 Sunset 21:16
24:00
1022hPa 951J/kg 7% -3.5°C 0% 1% 27% 0mm 84% 0mm -20dBZ -16° 7% 0.1mm - - 8.5m/s
01:00
1022hPa 1012J/kg 5% -3.7°C 0% 1% 15% 0mm 85% 0mm -20dBZ -19° 5% 0.13mm 2.6m/s 3.7m/s 8.9m/s
02:00
1023hPa 913J/kg 3% -3.6°C 0% 0% 28% 0mm 85% 0mm -20dBZ -18° 3% 0.13mm - - 9.2m/s
03:00
1023hPa 815J/kg 2% -3.4°C 0% 0% 42% 0mm 86% 0mm -20dBZ -15° 2% 0.13mm - - 9.5m/s
04:00
1023hPa 716J/kg 0% -3.2°C 0% 0% 55% 0mm 87% 0mm -20dBZ -10° 0% 0.13mm 3.5m/s 5.8m/s 9.8m/s
05:00
1023hPa 681J/kg 0% -3.1°C 0% 0% 45% 0mm 87% 0mm -20dBZ -3.6° 0% 0.13mm - - 10m/s
06:00
1023hPa 646J/kg 0% -3°C 0% 0% 36% 0mm 86% 0mm -20dBZ 4.4° 0% 0.13mm - - 10m/s
07:00
1023hPa 611J/kg 0% -2.9°C 0% 0% 26% 0mm 86% 0mm -20dBZ 13° 0% 0.13mm 4.7m/s 5.9m/s 11m/s
08:00
1023hPa 678J/kg 0% -3.1°C 0% 0% 34% 0mm 87% 0mm -20dBZ 23° 0% 0.13mm - - 10m/s
09:00
1022hPa 745J/kg 0% -3.4°C 0% 0% 42% 0mm 87% 0mm -20dBZ 32° 0% 0.13mm - - 10m/s
10:00
1022hPa 812J/kg 0% -3.6°C 0% 0% 50% 0mm 88% 0mm -20dBZ 42° 0% 0.13mm 6.6m/s 5.1m/s 10m/s
11:00
1022hPa 803J/kg 0% -3.6°C 0% 0% 38% 0mm 89% 0.13mm -20dBZ 50° 0% 0.33mm - - 9.6m/s
12:00
1022hPa 794J/kg 0% -3.7°C 0% 0% 27% 0mm 89% 0.27mm -20dBZ 57° 0% 0.54mm - - 8.8m/s
13:00
1022hPa 785J/kg 1% -3.7°C 0% 0% 15% 0mm 90% 0.4mm -20dBZ 61° 1% 0.75mm 7.8m/s 6.6m/s 7.9m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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