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Rule Storm Chaser

Botallack Mine - Storm Chaser - Cornwall

St Just, 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 Gusts16.9m/s
Precipitation Chance76%
Air Pressure1011.6hPa
CAPE0
Lifted Index6.4°C
Wind Gusts16.9m/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
Tue, Apr 14
02:000%0%1J/kg4.9°C13688m14m/s
03:0018%0%1J/kg5°C8324m15m/s
04:0038%0.5%11J/kg5.1°C20117m16m/s
05:0017%0.3%12J/kg5.8°C24135m13m/s
06:0017%88%18J/kg5.4°C24134m11m/s
07:0029%69%39J/kg4.6°C22860m11m/s
08:000%77%32J/kg4.9°C21253m9.5m/s
09:000%62%4J/kg5.8°C24134m9.7m/s
10:000%58%0J/kg7.5°C24135m9.4m/s
11:000%45%0J/kg8.3°C24134m9.2m/s
12:000%36%9J/kg7.9°C24134m9m/s
13:000%38%1J/kg8.2°C24135m9.2m/s
14:000%38%0J/kg7.4°C24135m11m/s
15:000%36%0J/kg7.1°C24134m11m/s
16:000%44%0J/kg6.9°C24134m12m/s
17:000%44%1J/kg5.7°C24134m11m/s
18:000%55%0J/kg6.8°C24134m11m/s
19:000%35%1J/kg8°C24135m12m/s
20:000%38%0J/kg6.9°C24134m12m/s
21:000%30%0J/kg4.8°C24134m12m/s
22:000%0%0J/kg4.3°C24134m13m/s
23:000%0.1%5J/kg4°C24135m14m/s
Wed, Apr 15
24:000%0%12J/kg3.6°C24135m15m/s
01:000%0%15J/kg4.2°C24135m15m/s
02:000%0%4J/kg6.1°C24134m16m/s
03:000%0%0J/kg6.3°C24135m16m/s
04:000%0.4%0J/kg6°C24134m17m/s
05:000%0%0J/kg5.8°C24134m18m/s
06:000%77%0J/kg5.7°C24134m18m/s
07:0015%41%2J/kg5°C24134m18m/s
08:000%56%6J/kg4.5°C24135m18m/s
09:0019%57%24J/kg3.3°C8433m16m/s
10:0039%58%69J/kg2.7°C11542m18m/s
11:0020%26%54J/kg0.9°C20528m17m/s
12:0018%19%101J/kg0.5°C24134m16m/s
13:0031%12%93J/kg2°C24134m16m/s
14:000%12%32J/kg2.1°C24135m17m/s
15:000%12%16J/kg3.2°C24135m16m/s
16:0015%11%14J/kg3.8°C24134m16m/s
17:000%14%8J/kg4°C24135m15m/s
18:000%17%6J/kg4.2°C24134m15m/s
19:0013%38%11J/kg4.6°C24135m16m/s
20:000%35%23J/kg5.2°C24135m16m/s
21:000%49%28J/kg6.1°C23124m16m/s
22:0012%0.2%30J/kg5.7°C24135m15m/s
23:000%0%33J/kg6.6°C23660m14m/s
Thu, Apr 16
24:000%0.8%34J/kg6.9°C24134m14m/s
01:0015%3.6%43J/kg7.5°C23882m14m/s
02:000%9%55J/kg8.4°C23903m14m/s
03:000%11%29J/kg9°C24037m14m/s
04:0015%15%57J/kg8.9°C24028m13m/s
05:000%15%58J/kg9.4°C23825m13m/s
06:000%100%59J/kg9.1°C24134m12m/s
07:0013%74%56J/kg8.6°C24134m12m/s
08:000%65%43J/kg8.3°C24135m11m/s
09:000%21%44J/kg8.2°C24134m10m/s
10:000%41%51J/kg7.8°C24134m9.5m/s
11:000%36%40J/kg8.6°C24135m8.6m/s
12:000%29%32J/kg9.2°C24135m8m/s
13:000%29%23J/kg9.2°C24135m7.5m/s
14:000%33%14J/kg9.3°C24134m7.3m/s
15:000%35%11J/kg9.1°C24134m7.8m/s
16:000%43%8J/kg9°C24134m8m/s
17:000%47%32J/kg8.7°C24134m8.3m/s
18:000%47%27J/kg8.8°C24135m9m/s
19:000%18%30J/kg8.5°C24135m9.6m/s
20:000%26%38J/kg8.1°C17479m11m/s
21:000%21%42J/kg8°C24135m11m/s
22:000%15%54J/kg8.6°C24135m12m/s
23:000%12%56J/kg8.4°C24134m12m/s
Fri, Apr 17
24:000%0%31J/kg8.5°C24135m12m/s
01:000%1%30J/kg8.4°C24134m13m/s
02:000%0.1%9J/kg8°C24135m13m/s
03:000%1.2%0J/kg7.6°C24135m13m/s
04:000%0.5%0J/kg7.3°C24134m13m/s
05:000%3.4%0J/kg7.1°C24135m14m/s
06:000%69%0J/kg7.3°C24135m14m/s
07:0012%35%1J/kg6.8°C24134m14m/s
08:000%54%13J/kg7.1°C24134m13m/s
09:000%55%26J/kg7.5°C24135m11m/s
10:000%50%38J/kg7.8°C24135m10m/s
11:000%46%36J/kg7.5°C24135m10m/s
12:000%56%33J/kg7.1°C24135m10m/s
13:0014%59%31J/kg6.7°C24135m10m/s
14:000%46%33J/kg6.6°C24135m10m/s
15:000%43%34J/kg6.5°C24135m10m/s
16:0014%48%36J/kg6.3°C24135m10m/s
17:000%42%24J/kg6.2°C24135m10m/s
18:000%49%13J/kg6.1°C24135m10m/s
19:0014%47%1J/kg6°C24135m9.9m/s
20:000%85%4J/kg5.7°C24135m9.8m/s
21:000%89%7J/kg5.4°C24135m9.7m/s
22:0014%0%10J/kg5.1°C24135m9.5m/s
23:000%0%6.7J/kg5.7°C24135m9.4m/s
Sat, Apr 18
24:000%0%3.3J/kg6.2°C24135m9.2m/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
Wed, Apr 15 Sunrise 06:30 Sunset 20:16
03:00
1012hPa 0J/kg 100% 6.4°C 7% 0% 76% 0mm 93% 0mm -18dBZ -26° 100% 0mm - - 12m/s
04:00
1011hPa 0J/kg 100% 6.1°C 3% 11% 95% 0mm 91% 0mm -20dBZ -21° 100% 0mm 1.9m/s 7.5m/s 12m/s
05:00
1011hPa 0J/kg 100% 6.4°C 6% 100% 96% 0mm 90% 0mm -11dBZ -14° 100% 0mm - - 12m/s
06:00
1010hPa 1J/kg 4% 4.3°C 100% 19% 97% 0.04mm 91% 0mm -1.8dBZ -5.3° 100% 0mm - - 13m/s
07:00
1010hPa 21J/kg 0% 3.2°C 100% 0% 99% 0.1mm 92% 0.05mm 7.2dBZ 4.1° 100% 0.06mm 1.5m/s 11m/s 13m/s
08:00
1010hPa 33J/kg 0% 3.7°C 100% 100% 84% 0.55mm 91% 0.16mm 12dBZ 14° 100% 0.25mm - - 14m/s
09:00
1010hPa 61J/kg 0% 3.1°C 100% 100% 70% 0.93mm 93% 0.05mm 17dBZ 23° 100% 2mm - - 13m/s
10:00
1010hPa 49J/kg 0% 3.2°C 99% 100% 56% 0.19mm 91% 0.51mm 22dBZ 32° 100% 2.8mm 14m/s 15m/s 13m/s
11:00
1010hPa 56J/kg 0% 0.5°C 7% 0% 56% 0mm 88% 0.09mm 21dBZ 40° 7% 3.2mm - - 13m/s
12:00
1011hPa 78J/kg 0% 0.8°C 5% 0% 56% 0.01mm 83% 0.13mm 20dBZ 46° 5% 3.3mm - - 13m/s
13:00
1011hPa 129J/kg 0% 0.3°C 0% 0% 56% 0mm 82% 0mm 19dBZ 49° 0% 3.3mm 5.4m/s 15m/s 12m/s
14:00
1012hPa 34J/kg 0% 2.3°C 0% 0% 44% 0mm 81% 0.07mm 11dBZ 49° 0% 0mm - - 14m/s
15:00
1013hPa 12J/kg 0% 3.8°C 0% 0% 32% 0mm 80% 0mm 2.7dBZ 45° 0% 0mm - - 13m/s
16:00
1013hPa 7J/kg 0% 3.8°C 0% 0% 20% 0mm 82% 0mm -5.4dBZ 38° 0% 0.06mm 4.6m/s 11m/s 12m/s
17:00
1013hPa 0J/kg 0% 4.2°C 0% 0% 41% 0mm 82% 0mm -10dBZ 30° 0% 0.06mm - - 12m/s
18:00
1014hPa 3J/kg 0% 4.5°C 0% 0% 61% 0mm 82% 0mm -15dBZ 21° 0% 0.06mm - - 12m/s
19:00
1014hPa 9J/kg 99% 4.6°C 4% 5% 82% 0mm 83% 0mm -20dBZ 11° 99% 0.06mm 5.7m/s 11m/s 12m/s
20:00
1014hPa 19J/kg 100% 5.1°C 5% 99% 82% 0mm 84% 0.02mm -11dBZ 2.1° 100% 0mm - - 12m/s
21:00
1015hPa 29J/kg 100% 5°C 96% 100% 82% 0mm 85% 0.13mm -2.5dBZ -7.3° 100% 0.06mm - - 13m/s
22:00
1015hPa 32J/kg 5% 5.9°C 49% 100% 82% 0mm 86% 0.02mm 6.2dBZ -15° 100% 0.06mm 0.78m/s 11m/s 12m/s
23:00
1015hPa 43J/kg 6% 6.4°C 10% 100% 82% 0mm 87% 0mm -2.5dBZ -22° 100% 0.13mm - - 12m/s
Thu, Apr 16 Sunrise 06:30 Sunset 20:16
24:00
1015hPa 41J/kg 83% 6.7°C 5% 100% 82% 0mm 87% 0mm -11dBZ -27° 100% 0.13mm - - 11m/s
01:00
1015hPa 30J/kg 82% 8.1°C 98% 5% 82% 0mm 86% 0.15mm -20dBZ -30° 98% 0.25mm 4.5m/s 15m/s 11m/s
02:00
1016hPa 38J/kg 13% 8.3°C 100% 5% 67% 0mm 84% 0.03mm -16dBZ -29° 100% 0.06mm - - 10m/s
03:00
1016hPa 46J/kg 3% 8.5°C 100% 0% 53% 0mm 83% 0.03mm -12dBZ -26° 100% 0.06mm - - 9.9m/s
04:00
1016hPa 53J/kg 9% 8.6°C 22% 0% 39% 0mm 85% 0mm -7.8dBZ -21° 22% 0.13mm 3.2m/s 17m/s 10m/s
05:00
1016hPa 72J/kg 4% 8.5°C 94% 0% 39% 0mm 88% 0.01mm -0.34dBZ -13° 94% 0.13mm - - 9.4m/s
06:00
1016hPa 76J/kg 15% 8.5°C 94% 4% 39% 0mm 88% 0.07mm 7.1dBZ -5° 94% 0.19mm - - 8.2m/s
07:00
1017hPa 52J/kg 96% 8.6°C 37% 5% 39% 0mm 86% 0.09mm 15dBZ 4.4° 96% 0.31mm 0.96m/s 13m/s 8.4m/s
08:00
1018hPa 40J/kg 70% 8.2°C 5% 5% 26% 0mm 88% 0mm 3dBZ 14° 70% 0.06mm - - 7.6m/s
09:00
1018hPa 35J/kg 34% 8.3°C 5% 5% 13% 0mm 88% 0.01mm -8.5dBZ 23° 34% 0.06mm - - 7.3m/s
10:00
1018hPa 42J/kg 100% 8.2°C 5% 11% 0% 0mm 90% 0mm -20dBZ 32° 100% 0.06mm 4.2m/s 10m/s 7.3m/s
11:00
1019hPa 46J/kg 100% 8.1°C 5% 100% 13% 0mm 91% 0.04mm -20dBZ 40° 100% 0.13mm - - 7m/s
12:00
1019hPa 39J/kg 100% 8.8°C 5% 100% 26% 0mm 91% 0mm -20dBZ 47° 100% 0.13mm - - 6.5m/s
13:00
1019hPa 33J/kg 100% 8.9°C 5% 100% 39% 0mm 91% 0mm -20dBZ 50° 100% 0.13mm 3.5m/s 12m/s 6.4m/s
14:00
1019hPa 27J/kg 86% 8.9°C 96% 100% 44% 0mm 91% 0mm -20dBZ 49° 100% 0mm - - 6.3m/s
15:00
1019hPa 32J/kg 100% 8.7°C 97% 98% 50% 0mm 91% 0.01mm -20dBZ 45° 100% 0mm - - 6.5m/s
16:00
1018hPa 32J/kg 100% 8.4°C 100% 100% 55% 0mm 91% 0.01mm -20dBZ 39° 100% 0mm 7m/s 11m/s 6.8m/s
17:00
1018hPa 33J/kg 100% 8.8°C 5% 83% 64% 0mm 91% 0mm -20dBZ 30° 100% 0mm - - 6.9m/s
18:00
1018hPa 40J/kg 100% 8.4°C 0% 100% 73% 0mm 91% 0.04mm -20dBZ 21° 100% 0.06mm - - 7.2m/s
19:00
1018hPa 30J/kg 100% 8.2°C 5% 100% 82% 0mm 90% 0mm -20dBZ 12° 100% 0.13mm 5.7m/s 12m/s 7.7m/s
20:00
1018hPa 37J/kg 0% 7.7°C 5% 100% 60% 0mm 90% 0mm -20dBZ 2.3° 100% 0mm - - 8.2m/s
21:00
1018hPa 43J/kg 4% 7.2°C 5% 4% 38% 0mm 90% 0mm -20dBZ -7° 5% 0mm - - 8.6m/s
22:00
1018hPa 43J/kg 38% 8.1°C 0% 5% 17% 0mm 91% 0mm -20dBZ -15° 38% 0mm 4.8m/s 9.9m/s 9.1m/s
23:00
1017hPa 40J/kg 100% 8.6°C 5% 5% 30% 0mm 91% 0mm -20dBZ -22° 100% 0mm - - 9.6m/s
Fri, Apr 17 Sunrise 06:28 Sunset 20:18
24:00
1017hPa 29J/kg 100% 8.3°C 5% 29% 43% 0mm 90% 0mm -20dBZ -27° 100% 0mm - - 10m/s
01:00
1017hPa 17J/kg 100% 7.9°C 5% 97% 56% 0mm 90% 0mm -20dBZ -29° 100% 0mm 5.2m/s 10m/s 10m/s
02:00
1016hPa 0J/kg 100% 7.7°C 74% 100% 52% 0mm 90% 0mm -12dBZ -29° 100% 0mm - - 10m/s
03:00
1016hPa 0J/kg 100% 7.1°C 85% 100% 49% 0mm 89% 0mm -3.9dBZ -26° 100% 0mm - - 10m/s
04:00
1016hPa 0J/kg 100% 6.5°C 100% 100% 45% 0mm 90% 0mm 4.2dBZ -20° 100% 0mm 3.3m/s 8.3m/s 10m/s
05:00
1015hPa 0J/kg 100% 5.3°C 100% 100% 49% 0mm 90% 0mm 5.6dBZ -13° 100% 0mm - - 10m/s
06:00
1015hPa 0J/kg 100% 5.6°C 100% 100% 53% 0.01mm 89% 0mm 7dBZ -4.6° 100% 0mm - - 11m/s
07:00
1015hPa 7J/kg 100% 4.7°C 98% 24% 57% 0.31mm 91% 0mm 8.4dBZ 4.7° 100% 0.19mm 3.4m/s 11m/s 11m/s
08:00
1016hPa 8J/kg 100% 4.3°C 100% 12% 47% 1mm 92% 0.01mm 11dBZ 14° 100% 0.5mm - - 11m/s
09:00
1016hPa 1J/kg 100% 5.4°C 100% 30% 36% 0.7mm 95% 0.03mm 13dBZ 24° 100% 1.2mm - - 11m/s
10:00
1016hPa 1J/kg 100% 6.1°C 6% 5% 26% 0mm 93% 0.01mm 15dBZ 33° 100% 1.4mm 6.4m/s 12m/s 9m/s
11:00
1016hPa 15J/kg 80% 6.6°C 100% 0% 27% 0mm 90% 0.03mm 3.4dBZ 41° 100% 1.4mm - - 8m/s
12:00
1017hPa 16J/kg 17% 6.9°C 5% 0% 28% 0mm 89% 0mm -8.3dBZ 47° 17% 1.4mm - - 7.4m/s
13:00
1017hPa 13J/kg 32% 7.3°C 0% 0% 28% 0mm 88% 0mm -20dBZ 50° 32% 1.4mm 7.2m/s 15m/s 7.3m/s
14:00
1018hPa 12J/kg 54% 6.8°C 0% 33% 52% 0mm 88% 0mm -20dBZ 50° 55% 0.92mm - - 6.7m/s
15:00
1020hPa 11J/kg 75% 6.4°C 0% 67% 76% 0mm 87% 0mm -20dBZ 46° 77% 0.46mm - - 6.1m/s
16:00
1021hPa 10J/kg 96% 5.9°C 0% 100% 100% 0mm 86% 0mm -20dBZ 39° 100% 0mm 11m/s 18m/s 5.5m/s
17:00
1022hPa 6.7J/kg 64% 5.7°C 0% 67% 100% 0mm 85% 0mm -20dBZ 31° 67% 0mm - - 5.5m/s
18:00
1022hPa 3.3J/kg 32% 5.5°C 0% 33% 100% 0mm 83% 0mm -20dBZ 21° 33% 0mm - - 5.4m/s
19:00
1022hPa 0J/kg 0% 5.3°C 0% 0% 100% 0mm 82% 0mm -20dBZ 12° 0% 0mm 12m/s 21m/s 5.4m/s
20:00
1023hPa 0J/kg 0% 5.6°C 0% 0% 83% 0mm 81% 0mm -20dBZ 2.5° 0% 0mm - - 5.3m/s
21:00
1023hPa 0J/kg 0% 5.9°C 0% 0% 67% 0mm 80% 0mm -20dBZ -6.7° 0% 0mm - - 5.2m/s
22:00
1023hPa 0J/kg 0% 6.3°C 0% 0% 50% 0mm 79% 0mm -20dBZ -15° 0% 0mm 11m/s 20m/s 5.1m/s
23:00
1023hPa 0J/kg 0% 6.4°C 0% 0% 39% 0mm 78% 0mm -20dBZ -22° 0% 0mm - - 5.1m/s
Sat, Apr 18 Sunrise 06:25 Sunset 20:19
24:00
1024hPa 0J/kg 0% 6.6°C 0% 0% 28% 0mm 78% 0mm -20dBZ -27° 0% 0mm - - 5.1m/s
01:00
1024hPa 0J/kg 0% 6.7°C 0% 0% 17% 0mm 78% 0mm -20dBZ -29° 0% 0mm 9.7m/s 19m/s 5.1m/s
02:00
1025hPa 0J/kg 0% 6.9°C 0% 0% 11% 0mm 78% 0mm -20dBZ -29° 0% 0mm - - 5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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