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Rule Storm Chaser

Mullion Cove - Storm Chaser - Cornwall

Mullion, 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 97% failing
CAPE 58% failing

Currently

Real-time conditions
Cloud Cover0%
Wind Gusts6.2m/s
Precipitation Chance0%
Air Pressure1027.4hPa
CAPE0
Lifted Index4.6°C
Wind Gusts6.2m/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%43%0J/kg7.6°C24134m2.7m/s
15:000%49%0J/kg7.3°C24135m3m/s
16:000%17%0J/kg6.6°C24134m3.6m/s
17:000%16%0J/kg6.1°C24135m3.8m/s
18:000%13%0J/kg5.8°C24135m4.2m/s
19:000%13%0J/kg6.8°C24134m4.4m/s
20:000%12%0J/kg7.8°C24135m4.7m/s
21:000%6.7%0J/kg7.6°C24134m5m/s
22:000%0.8%0J/kg7.7°C24135m4.7m/s
23:000%0.8%0J/kg7.8°C24135m4.6m/s
Sun, May 24
24:000%0.9%0J/kg7.3°C24135m4.8m/s
01:000%0.8%0J/kg6.5°C24135m4.8m/s
02:000%0.7%0J/kg6°C24134m5.2m/s
03:000%0.8%0J/kg5.2°C24135m5m/s
04:000%5.7%0J/kg4°C24135m4.7m/s
05:000%13%0J/kg3.5°C24134m4.4m/s
06:000%8.9%0J/kg3.4°C24135m4.5m/s
07:000%6.4%0J/kg3.6°C24134m5m/s
08:000%8.6%0J/kg3.9°C24134m3.9m/s
09:000%5.9%0J/kg4.2°C24134m4.7m/s
10:000%0.9%0J/kg4.1°C24134m4.6m/s
11:000%0.7%0J/kg3.6°C24135m4.9m/s
12:000%0.5%0J/kg3.7°C24134m5.5m/s
13:000%0%0J/kg4.2°C24135m5.7m/s
14:000%0%0J/kg4.6°C24135m6.2m/s
15:000%0.2%0J/kg4.7°C24135m6.3m/s
16:000%0.2%0J/kg4.7°C24134m6.7m/s
17:000%0%0J/kg4.7°C24134m6.6m/s
18:000%0%0J/kg4.8°C24134m6.6m/s
19:000%0%0J/kg4.6°C24134m6.7m/s
20:000%2.8%0J/kg4.3°C24135m6.8m/s
21:000%0%0J/kg3.4°C24134m6.8m/s
22:000%2.4%0J/kg2.7°C24135m7.4m/s
23:000%0%0J/kg3°C24134m7.8m/s
Mon, May 25
24:000%0%0J/kg3.7°C24135m9m/s
01:000%0%0J/kg4.1°C24135m9.3m/s
02:000%0%0J/kg3.2°C24135m9.6m/s
03:000%0%311J/kg-1°C24135m9.9m/s
04:000%4.9%546J/kg-1.9°C24135m11m/s
05:000%6%403J/kg-1.6°C24134m11m/s
06:000%6%534J/kg-2.1°C24134m11m/s
07:000%5.5%733J/kg-2.8°C24134m10m/s
08:000%5.6%788J/kg-3.1°C24135m10m/s
09:000%4.9%368J/kg-2°C24134m10m/s
10:000%4.8%287J/kg-1.8°C24135m10m/s
11:000%5.8%186J/kg-1.5°C24135m10m/s
12:000%6.6%209J/kg-1.7°C24134m10m/s
13:000%5.3%243J/kg-1.6°C24135m10m/s
14:000%11%230J/kg-1.5°C24134m9.9m/s
15:000%11%187J/kg-1.4°C24134m9.8m/s
16:000%16%184J/kg-1.4°C24134m9.7m/s
17:000%25%374J/kg-2.3°C24134m9.8m/s
18:000%30%611J/kg-3.4°C24135m9.4m/s
19:000%27%849J/kg-4.3°C24134m9.4m/s
20:000%27%1006J/kg-4.8°C24135m9m/s
21:000%74%1199J/kg-5.5°C24134m9.2m/s
22:000%60%1364J/kg-5.8°C24135m9.2m/s
23:000%6.9%1457J/kg-6.2°C24134m9m/s
Tue, May 26
24:000%1%1518J/kg-6.4°C24134m8.4m/s
01:000%0.6%1645J/kg-6.9°C24135m8m/s
02:000%0.5%1805J/kg-7.2°C24134m8.3m/s
03:000%0.4%1849J/kg-6.6°C24135m8.1m/s
04:000%5%1779J/kg-6.2°C24134m8.5m/s
05:000%6.2%1693J/kg-5.8°C24134m8.6m/s
06:000%6.5%1546J/kg-4.9°C24134m8.3m/s
07:000%8.5%1419J/kg-4.3°C24135m8.1m/s
08:000%9.3%1279J/kg-3.9°C24134m8.3m/s
09:000%5.4%933J/kg-3°C24135m8.4m/s
10:000%5.8%805J/kg-2.6°C24134m8.3m/s
11:000%5.8%801J/kg-2.4°C24135m8.4m/s
12:000%5.8%766J/kg-2.4°C24134m8.3m/s
13:000%6%621J/kg-2°C24134m8.4m/s
14:000%5.9%431J/kg-1.3°C24134m8.2m/s
15:000%7.5%228J/kg-0.7°C24135m8.3m/s
16:000%7.4%85J/kg-0.3°C24135m8.4m/s
17:000%7.8%86J/kg-0.5°C24134m8.8m/s
18:000%4.9%44J/kg-0.4°C24135m9.2m/s
19:000%7.8%0J/kg1.4°C24134m9.5m/s
20:000%14%123J/kg0.31°C24134m9.7m/s
21:000%17%245J/kg-0.78°C24135m9.9m/s
22:000%23%368J/kg-1.9°C24135m10m/s
23:000%0%374J/kg-1.9°C24135m11m/s
Wed, May 27
24:000%0%380J/kg-1.8°C24135m12m/s
01:000%0%386J/kg-1.8°C24135m12m/s
02:000%0%411J/kg-2°C24135m13m/s
03:000%0%437J/kg-2.2°C24135m13m/s
04:000%7.2%462J/kg-2.3°C24135m13m/s
05:000%11%378J/kg-2.1°C24135m13m/s
06:000%11%295J/kg-1.8°C24135m14m/s
07:000%10%211J/kg-1.5°C24135m14m/s
08:000%10%262J/kg-1.6°C24135m14m/s
09:000%6.6%313J/kg-1.8°C24135m14m/s
10:000%7.2%364J/kg-1.9°C24135m14m/s
11:000%11%520J/kg-2.5°C24135m14m/s
12:000%17%675J/kg-3.1°C24135m14m/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 05:24 Sunset 21:12
14:00
1027hPa 0J/kg 0% 4.6°C 0% 0% 0% 0mm 74% 0mm -20dBZ 60° 0% 0mm - - 5m/s
15:00
1027hPa 0J/kg 0% 4.7°C 0% 0% 0% 0mm 72% 0mm -20dBZ 55° 0% 0mm - - 5.1m/s
16:00
1027hPa 0J/kg 0% 4.7°C 0% 0% 0% 0mm 73% 0mm -20dBZ 47° 0% 0mm 5.1m/s 13m/s 5.3m/s
17:00
1027hPa 0J/kg 0% 4.7°C 0% 0% 0% 0mm 74% 0mm -20dBZ 38° 0% 0mm - - 5.1m/s
18:00
1027hPa 0J/kg 0% 4.8°C 0% 0% 0% 0mm 76% 0mm -20dBZ 28° 0% 0mm - - 4.9m/s
19:00
1027hPa 0J/kg 0% 4.6°C 0% 0% 0% 0mm 79% 0mm -20dBZ 19° 0% 0mm 6.6m/s 12m/s 4.8m/s
20:00
1026hPa 0J/kg 0% 4.3°C 0% 0% 0% 0mm 80% 0mm -20dBZ 9.5° 0% 0mm - - 4.7m/s
21:00
1027hPa 0J/kg 0% 3.4°C 0% 0% 0% 0mm 79% 0mm -20dBZ 1.2° 0% 0mm - - 5m/s
22:00
1027hPa 0J/kg 0% 2.7°C 0% 0% 0% 0mm 78% 0mm -20dBZ -6.7° 0% 0mm 5.9m/s 11m/s 5.2m/s
23:00
1027hPa 0J/kg 0% 3°C 0% 0% 0% 0mm 80% 0mm -20dBZ -13° 0% 0mm - - 5.4m/s
Mon, May 25 Sunrise 05:24 Sunset 21:12
24:00
1027hPa 0J/kg 0% 3.7°C 0% 0% 0% 0mm 82% 0mm -20dBZ -17° 0% 0mm - - 5.5m/s
01:00
1027hPa 0J/kg 0% 4.1°C 0% 0% 0% 0mm 84% 0mm -20dBZ -19° 0% 0mm 5.2m/s 9.8m/s 5.8m/s
02:00
1026hPa 0J/kg 0% 3.2°C 0% 0% 0% 0mm 85% 0mm -20dBZ -18° 0% 0mm - - 6m/s
03:00
1026hPa 311J/kg 0% -1°C 0% 0% 0% 0mm 86% 0mm -20dBZ -16° 0% 0mm - - 6.3m/s
04:00
1026hPa 546J/kg 0% -1.9°C 0% 0% 0% 0mm 86% 0mm -20dBZ -10° 0% 0mm 3.8m/s 7.1m/s 6.4m/s
05:00
1025hPa 403J/kg 0% -1.6°C 0% 0% 0% 0mm 87% 0mm -20dBZ -3.7° 0% 0mm - - 6.5m/s
06:00
1025hPa 534J/kg 0% -2.1°C 0% 0% 0% 0mm 88% 0mm -20dBZ 4.4° 0% 0mm - - 6.7m/s
07:00
1026hPa 733J/kg 0% -2.8°C 0% 0% 0% 0mm 88% 0mm -20dBZ 13° 0% 0mm 3m/s 4.4m/s 6.7m/s
08:00
1026hPa 788J/kg 0% -3.1°C 0% 0% 0% 0mm 89% 0mm -20dBZ 23° 0% 0mm - - 7m/s
09:00
1026hPa 368J/kg 0% -2°C 0% 0% 0% 0mm 89% 0mm -20dBZ 32° 0% 0mm - - 7.2m/s
10:00
1026hPa 287J/kg 0% -1.8°C 0% 0% 0% 0mm 90% 0mm -20dBZ 42° 0% 0mm 4.5m/s 4.2m/s 7.2m/s
11:00
1026hPa 186J/kg 0% -1.5°C 0% 0% 0% 0mm 90% 0mm -20dBZ 50° 0% 0mm - - 7.3m/s
12:00
1026hPa 209J/kg 0% -1.7°C 0% 0% 0% 0mm 90% 0mm -20dBZ 57° 0% 0mm - - 7.3m/s
13:00
1026hPa 243J/kg 0% -1.6°C 0% 0% 0% 0mm 89% 0mm -20dBZ 61° 0% 0mm 4.9m/s 3.5m/s 7.3m/s
14:00
1025hPa 230J/kg 2% -1.5°C 0% 0% 5% 0mm 89% 0mm -20dBZ 60° 2% 0mm - - 7m/s
15:00
1025hPa 187J/kg 1% -1.4°C 0% 0% 11% 0mm 89% 0mm -20dBZ 55° 1% 0mm - - 6.9m/s
16:00
1025hPa 184J/kg 5% -1.4°C 0% 0% 16% 0mm 89% 0mm -20dBZ 47° 5% 0mm 5.3m/s 3.5m/s 6.9m/s
17:00
1025hPa 374J/kg 5% -2.3°C 0% 3% 20% 0mm 89% 0mm -20dBZ 38° 5% 0mm - - 7m/s
18:00
1024hPa 611J/kg 5% -3.4°C 0% 5% 24% 0mm 89% 0mm -20dBZ 28° 5% 0mm - - 6.9m/s
19:00
1024hPa 849J/kg 0% -4.3°C 0% 5% 28% 0mm 90% 0mm -20dBZ 19° 5% 0mm 2.9m/s 0.38m/s 6.6m/s
20:00
1024hPa 1006J/kg 0% -4.8°C 0% 5% 24% 0mm 90% 0mm -20dBZ 9.6° 5% 0mm - - 6.2m/s
21:00
1025hPa 1199J/kg 0% -5.5°C 0% 56% 20% 0mm 91% 0mm -20dBZ 1.4° 56% 0mm - - 6.1m/s
22:00
1025hPa 1364J/kg 4% -5.8°C 0% 35% 16% 0mm 92% 0mm -20dBZ -6.5° 35% 0mm 1.8m/s 1.9m/s 6.2m/s
23:00
1025hPa 1457J/kg 1% -6.2°C 0% 5% 20% 0mm 93% 0mm -20dBZ -13° 5% 0mm - - 6m/s
Tue, May 26 Sunrise 05:23 Sunset 21:13
24:00
1025hPa 1518J/kg 0% -6.4°C 0% 0% 23% 0mm 93% 0mm -20dBZ -17° 0% 0mm - - 5.5m/s
01:00
1025hPa 1645J/kg 0% -6.9°C 0% 0% 26% 0mm 93% 0mm -20dBZ -19° 0% 0mm 2.6m/s 5.2m/s 5.7m/s
02:00
1024hPa 1805J/kg 0% -7.2°C 0% 0% 17% 0mm 93% 0mm -20dBZ -18° 0% 0mm - - 6.1m/s
03:00
1024hPa 1849J/kg 0% -6.6°C 0% 0% 9% 0mm 94% 0mm -20dBZ -15° 0% 0mm - - 6.1m/s
04:00
1024hPa 1779J/kg 0% -6.2°C 1% 0% 0% 0mm 94% 0mm -20dBZ -10° 1% 0mm 2.9m/s 5m/s 6.3m/s
05:00
1024hPa 1693J/kg 0% -5.8°C 1% 0% 0% 0mm 95% 0mm -20dBZ -3.5° 1% 0mm - - 6.3m/s
06:00
1023hPa 1546J/kg 0% -4.9°C 2% 0% 0% 0mm 96% 0mm -20dBZ 4.5° 2% 0mm - - 6.1m/s
07:00
1024hPa 1419J/kg 1% -4.3°C 1% 0% 0% 0mm 95% 0mm -20dBZ 13° 2% 0mm 1.7m/s 1.8m/s 6.1m/s
08:00
1024hPa 1279J/kg 1% -3.9°C 1% 0% 0% 0mm 94% 0mm -20dBZ 23° 1% 0mm - - 6.4m/s
09:00
1024hPa 933J/kg 0% -3°C 1% 0% 0% 0mm 93% 0mm -20dBZ 32° 1% 0mm - - 6.5m/s
10:00
1024hPa 805J/kg 0% -2.6°C 2% 0% 0% 0mm 92% 0mm -20dBZ 42° 2% 0mm 2.4m/s 3.1m/s 6.4m/s
11:00
1024hPa 801J/kg 0% -2.4°C 0% 0% 0% 0mm 91% 0mm -20dBZ 50° 0% 0mm - - 6.4m/s
12:00
1024hPa 766J/kg 0% -2.4°C 0% 0% 0% 0mm 90% 0mm -19dBZ 57° 0% 0mm - - 6.3m/s
13:00
1024hPa 621J/kg 0% -2°C 0% 0% 0% 0mm 89% 0mm -19dBZ 61° 0% 0mm 3.9m/s 4.8m/s 6.2m/s
14:00
1024hPa 431J/kg 0% -1.3°C 0% 0% 0% 0mm 88% 0mm -19dBZ 60° 0% 0mm - - 6.1m/s
15:00
1024hPa 228J/kg 0% -0.7°C 0% 0% 0% 0mm 87% 0mm -20dBZ 55° 0% 0mm - - 6.2m/s
16:00
1023hPa 85J/kg 0% -0.3°C 0% 0% 0% 0mm 87% 0mm -20dBZ 47° 0% 0mm 4.6m/s 6.5m/s 6.2m/s
17:00
1023hPa 86J/kg 0% -0.5°C 0% 0% 7% 0mm 87% 0mm -20dBZ 38° 0% 0mm - - 6.4m/s
18:00
1023hPa 44J/kg 0% -0.4°C 0% 0% 15% 0mm 84% 0mm -20dBZ 29° 0% 0mm - - 6.6m/s
19:00
1023hPa 0J/kg 0% 1.4°C 0% 0% 22% 0mm 83% 0mm -20dBZ 19° 0% 0mm 5.8m/s 7.4m/s 6.4m/s
20:00
1023hPa 123J/kg 2% 0.31°C 0% 0% 31% 0mm 84% 0mm -20dBZ 9.8° 2% 0mm - - 6.3m/s
21:00
1023hPa 245J/kg 4% -0.78°C 0% 1% 41% 0mm 85% 0mm -20dBZ 1.5° 4% 0mm - - 6.2m/s
22:00
1023hPa 368J/kg 6% -1.9°C 0% 1% 50% 0mm 86% 0mm -20dBZ -6.3° 6% 0mm 4.3m/s 6.1m/s 6.1m/s
23:00
1023hPa 374J/kg 18% -1.9°C 0% 2% 67% 0mm 86% 0mm -20dBZ -12° 18% 0.02mm - - 6.5m/s
Wed, May 27 Sunrise 05:22 Sunset 21:14
24:00
1023hPa 380J/kg 30% -1.8°C 0% 3% 83% 0mm 87% 0mm -20dBZ -17° 30% 0.04mm - - 6.9m/s
01:00
1023hPa 386J/kg 42% -1.8°C 0% 5% 100% 0mm 87% 0mm -20dBZ -19° 42% 0.06mm 2.7m/s 4.1m/s 7.3m/s
02:00
1023hPa 411J/kg 28% -2°C 0% 3% 80% 0mm 87% 0mm -20dBZ -18° 28% 0.04mm - - 7.8m/s
03:00
1023hPa 437J/kg 14% -2.2°C 0% 2% 60% 0mm 88% 0mm -20dBZ -15° 14% 0.02mm - - 8.2m/s
04:00
1023hPa 462J/kg 0% -2.3°C 0% 0% 40% 0mm 88% 0mm -20dBZ -10° 0% 0mm 3.6m/s 5.8m/s 8.6m/s
05:00
1023hPa 378J/kg 0% -2.1°C 0% 0% 43% 0mm 89% 0mm -20dBZ -3.4° 0% 0mm - - 8.7m/s
06:00
1023hPa 295J/kg 0% -1.8°C 0% 0% 47% 0mm 89% 0mm -20dBZ 4.7° 0% 0mm - - 8.8m/s
07:00
1023hPa 211J/kg 0% -1.5°C 0% 0% 50% 0mm 90% 0mm -20dBZ 13° 0% 0mm 5m/s 7.6m/s 8.9m/s
08:00
1023hPa 262J/kg 0% -1.6°C 0% 0% 45% 0mm 90% 0mm -20dBZ 23° 0% 0mm - - 8.9m/s
09:00
1023hPa 313J/kg 0% -1.8°C 0% 0% 40% 0mm 90% 0mm -20dBZ 32° 0% 0mm - - 9m/s
10:00
1023hPa 364J/kg 0% -1.9°C 0% 0% 35% 0mm 90% 0mm -20dBZ 42° 0% 0mm 6.1m/s 7m/s 9m/s
11:00
1022hPa 520J/kg 4% -2.5°C 0% 0% 30% 0mm 90% 0.21mm -20dBZ 51° 4% 0.1mm - - 8.8m/s
12:00
1022hPa 675J/kg 8% -3.1°C 0% 0% 26% 0mm 90% 0.42mm -20dBZ 57° 8% 0.21mm - - 8.5m/s
13:00
1022hPa 831J/kg 11% -3.7°C 0% 0% 21% 0mm 89% 0.63mm -20dBZ 61° 11% 0.31mm 8.1m/s 8m/s 8.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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