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Rule Storm Chaser

Kynance 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
CAPE 100% failing
Cloud Drama Score 88% failing

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts6.2m/s
Precipitation Chance0%
Air Pressure1020.3hPa
CAPE0
Lifted Index3.0°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
Wed, Apr 8
02:000%14%0J/kg2.9°C24135m3m/s
03:000%10%0J/kg2.8°C24134m2.8m/s
04:000%9.7%0J/kg2.6°C24135m3.1m/s
05:000%3%0J/kg2.8°C24134m3.6m/s
06:000%5.6%0J/kg2.6°C24134m3.9m/s
07:000%16%0J/kg2.8°C24135m3.8m/s
08:000%10%0J/kg2.7°C24135m3.5m/s
09:000%11%0J/kg2.3°C24134m3m/s
10:000%9.3%0J/kg2.1°C24135m2.4m/s
11:000%5.3%0J/kg2°C24134m0.9m/s
12:000%7.8%0J/kg2°C24135m2.5m/s
13:000%9.9%0J/kg2.9°C24134m6.8m/s
14:000%11%0J/kg2.9°C24134m4.9m/s
15:000%8.5%0J/kg2.9°C24134m4.1m/s
16:000%7.5%0J/kg2.9°C24135m3.4m/s
17:000%7.7%0J/kg2.8°C24135m3.4m/s
18:000%11%0J/kg3.3°C24134m4.4m/s
19:000%12%0J/kg3.2°C24135m4.2m/s
20:000%30%0J/kg3.1°C24134m4.3m/s
21:000%56%0J/kg3.4°C24134m3.1m/s
22:000%15%0J/kg3.4°C24134m2.3m/s
23:000%13%0J/kg3.1°C24135m2.9m/s
Thu, Apr 9
24:000%13%0J/kg3°C24135m3.1m/s
01:000%8%0J/kg3.1°C24135m5.7m/s
02:000%1.6%0J/kg3°C24134m6.2m/s
03:000%0%0J/kg3°C24135m5.1m/s
04:000%0.1%0J/kg3.4°C24135m5.4m/s
05:000%0%0J/kg3.9°C24135m8.1m/s
06:000%11%0J/kg3.9°C24134m8.6m/s
07:000%11%0J/kg4°C24134m8.6m/s
08:000%10%0J/kg5.4°C24134m8.5m/s
09:000%51%0J/kg7.6°C24135m11m/s
10:000%43%0J/kg6.3°C24134m11m/s
11:000%45%0J/kg6.5°C24135m11m/s
12:000%37%0J/kg6.1°C24135m11m/s
13:0015%29%0J/kg10°C24135m11m/s
14:000%29%1J/kg14°C24135m11m/s
15:000%30%3J/kg15°C24134m12m/s
16:0015%12%0J/kg16°C24135m13m/s
17:000%14%1J/kg17°C24134m14m/s
18:000%17%0J/kg18°C24134m13m/s
19:0015%18%0J/kg18°C24135m13m/s
20:000%46%0J/kg19°C24135m12m/s
21:000%36%0J/kg18°C24134m11m/s
22:0015%0%0J/kg18°C24134m11m/s
23:000%0%0J/kg18°C24135m10m/s
Fri, Apr 10
24:000%0%0J/kg18°C24134m9.2m/s
01:000%0%0J/kg18°C24135m7.9m/s
02:000%0%0J/kg19°C24134m6m/s
03:000%0%0J/kg19°C24134m5.1m/s
04:000%0%0J/kg19°C24135m3.2m/s
05:000%0%0J/kg19°C24134m2.8m/s
06:000%47%0J/kg18°C24134m2.8m/s
07:000%52%0J/kg17°C24135m3.4m/s
08:000%48%0J/kg16°C24134m4.8m/s
09:000%48%0J/kg17°C24134m5.6m/s
10:000%43%0J/kg16°C24135m7.4m/s
11:000%43%0J/kg14°C24135m8.9m/s
12:000%35%3J/kg15°C24134m11m/s
13:0019%35%0J/kg15°C24134m11m/s
14:000%36%7J/kg14°C24134m11m/s
15:000%38%2J/kg14°C24134m11m/s
16:0019%46%4J/kg14°C24134m10m/s
17:000%46%4J/kg13°C24134m11m/s
18:000%61%4J/kg12°C24135m12m/s
19:0019%69%0J/kg7.1°C24135m13m/s
20:000%69%0J/kg6.3°C24135m15m/s
21:0015%61%0J/kg4.5°C24134m16m/s
22:0030%0%4J/kg3.7°C24135m18m/s
23:0030%0%1J/kg5.1°C7216m19m/s
Sat, Apr 11
24:0035%2.7%17J/kg6.8°C5675m18m/s
01:0046%7.7%13J/kg9°C7140m12m/s
02:0016%8.3%0J/kg11°C24134m14m/s
03:0015%2.9%7J/kg14°C24134m14m/s
04:0032%4.7%12J/kg15°C24135m14m/s
05:0016%4%17J/kg15°C24135m14m/s
06:0024%62%21J/kg15°C24135m13m/s
07:0033%51%14J/kg14°C24135m11m/s
08:000%77%47J/kg9.6°C23549m14m/s
09:000%96%79J/kg4.8°C22963m17m/s
10:0020%17%112J/kg0.07°C22377m20m/s
11:000%19%86J/kg0.3°C22963m19m/s
12:000%14%61J/kg0.52°C23549m18m/s
13:0015%14%35J/kg0.74°C24135m17m/s
14:000%48%41J/kg0.7°C23873m17m/s
15:000%48%48J/kg0.67°C23610m17m/s
16:000%31%54J/kg0.63°C23348m17m/s
17:000%55%69J/kg0.52°C21355m17m/s
18:000%87%83J/kg0.41°C19362m18m/s
19:000%44%98J/kg0.3°C17368m18m/s
20:000%38%88J/kg0.31°C19624m18m/s
21:000%23%78J/kg0.33°C21880m18m/s
22:000%0%68J/kg0.35°C24135m18m/s
23:000%0%58J/kg0.33°C24135m17m/s
Sun, Apr 12
24:0015%0%47J/kg0.3°C24135m16m/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 06:40 Sunset 20:05
02:00
1020hPa 0J/kg 100% 3°C 5% 0% 0% 0mm 92% 0mm -20dBZ -32° 100% 0mm - - 4.7m/s
03:00
1020hPa 0J/kg 100% 3°C 5% 5% 0% 0mm 87% 0mm -20dBZ -29° 100% 0mm - - 4.1m/s
04:00
1019hPa 0J/kg 100% 3.4°C 5% 100% 0% 0mm 86% 0mm -20dBZ -23° 100% 0mm 9.5m/s 10m/s 3.9m/s
05:00
1019hPa 0J/kg 100% 3.9°C 5% 9% 0% 0mm 86% 0mm -20dBZ -16° 100% 0mm - - 4.9m/s
06:00
1019hPa 0J/kg 100% 3.9°C 5% 6% 0% 0mm 88% 0mm -20dBZ -7° 100% 0mm - - 5m/s
07:00
1019hPa 0J/kg 100% 4°C 1% 5% 0% 0mm 88% 0mm -20dBZ 2.5° 100% 0mm 11m/s 7m/s 4.7m/s
08:00
1019hPa 0J/kg 100% 5.4°C 0% 8% 0% 0mm 88% 0mm -20dBZ 12° 100% 0mm - - 4.7m/s
09:00
1020hPa 0J/kg 100% 7.6°C 23% 17% 0% 0mm 88% 0mm -20dBZ 21° 100% 0mm - - 6.9m/s
10:00
1020hPa 0J/kg 100% 6.3°C 100% 16% 0% 0mm 91% 0mm -20dBZ 30° 100% 0mm 16m/s 16m/s 7.5m/s
11:00
1020hPa 0J/kg 8% 6.5°C 100% 85% 0% 0mm 88% 0mm -20dBZ 38° 100% 0mm - - 8.1m/s
12:00
1021hPa 0J/kg 100% 6.1°C 98% 100% 0% 0mm 78% 0mm -20dBZ 44° 100% 0mm - - 8.7m/s
13:00
1021hPa 0J/kg 100% 10°C 4% 100% 0% 0mm 77% 0mm -20dBZ 47° 100% 0mm 20m/s 23m/s 8.8m/s
14:00
1021hPa 1J/kg 100% 14°C 4% 100% 0% 0mm 74% 0mm -20dBZ 47° 100% 0mm - - 8.6m/s
15:00
1021hPa 3J/kg 100% 15°C 5% 28% 0% 0mm 73% 0mm -20dBZ 43° 100% 0mm - - 10m/s
16:00
1022hPa 0J/kg 100% 16°C 5% 5% 0% 0mm 69% 0mm -20dBZ 37° 100% 0mm 19m/s 28m/s 11m/s
17:00
1022hPa 1J/kg 100% 17°C 5% 0% 0% 0mm 62% 0mm -20dBZ 28° 100% 0mm - - 11m/s
18:00
1022hPa 0J/kg 100% 18°C 5% 6% 0% 0mm 60% 0mm -20dBZ 19° 100% 0mm - - 11m/s
19:00
1022hPa 0J/kg 100% 18°C 4% 5% 0% 0mm 59% 0mm -20dBZ 9.6° 100% 0mm 14m/s 28m/s 11m/s
20:00
1023hPa 0J/kg 100% 19°C 2% 96% 0% 0mm 57% 0mm -20dBZ 0.49° 100% 0mm - - 10m/s
21:00
1024hPa 0J/kg 100% 18°C 5% 77% 0% 0mm 57% 0mm -20dBZ -9.1° 100% 0mm - - 9.7m/s
22:00
1024hPa 0J/kg 100% 18°C 4% 99% 0% 0mm 58% 0mm -20dBZ -17° 100% 0mm 11m/s 30m/s 9.5m/s
23:00
1024hPa 0J/kg 100% 18°C 5% 100% 0% 0mm 58% 0mm -20dBZ -24° 100% 0mm - - 8.8m/s
Fri, Apr 10 Sunrise 06:40 Sunset 20:05
24:00
1023hPa 0J/kg 100% 18°C 5% 100% 0% 0mm 59% 0mm -20dBZ -29° 100% 0mm - - 7.5m/s
01:00
1023hPa 0J/kg 100% 18°C 100% 100% 0% 0mm 60% 0mm -20dBZ -32° 100% 0mm 18m/s 33m/s 6.2m/s
02:00
1022hPa 0J/kg 100% 19°C 100% 100% 17% 0mm 60% 0mm -19dBZ -31° 100% 0mm - - 4.3m/s
03:00
1022hPa 0J/kg 100% 19°C 100% 100% 33% 0mm 59% 0mm -19dBZ -28° 100% 0mm - - 3.8m/s
04:00
1021hPa 0J/kg 100% 19°C 100% 100% 50% 0mm 58% 0mm -18dBZ -23° 100% 0mm 20m/s 35m/s 2.7m/s
05:00
1021hPa 0J/kg 100% 19°C 93% 100% 46% 0mm 57% 0mm -10dBZ -15° 100% 0mm - - 2.6m/s
06:00
1021hPa 0J/kg 100% 18°C 100% 100% 42% 0mm 58% 0mm -2dBZ -6.7° 100% 0mm - - 2.8m/s
07:00
1020hPa 0J/kg 100% 17°C 96% 100% 38% 0mm 60% 0mm 6dBZ 2.8° 100% 0mm 27m/s 34m/s 2.9m/s
08:00
1019hPa 0J/kg 100% 16°C 100% 100% 38% 0.06mm 63% 0mm 11dBZ 12° 100% 0mm - - 4.1m/s
09:00
1019hPa 0J/kg 100% 17°C 100% 100% 38% 0.03mm 68% 0mm 16dBZ 22° 100% 0.06mm - - 5.2m/s
10:00
1018hPa 0J/kg 100% 16°C 100% 100% 39% 0.02mm 75% 0mm 21dBZ 31° 100% 0.13mm 25m/s 26m/s 7.4m/s
11:00
1017hPa 0J/kg 100% 14°C 100% 100% 34% 0.04mm 78% 0mm 22dBZ 39° 100% 0.13mm - - 8.5m/s
12:00
1016hPa 3J/kg 100% 15°C 100% 100% 30% 0mm 76% 0.01mm 22dBZ 45° 100% 0.13mm - - 9.7m/s
13:00
1015hPa 0J/kg 100% 15°C 100% 100% 26% 0.05mm 76% 0.01mm 23dBZ 48° 100% 0.19mm 27m/s 23m/s 9.4m/s
14:00
1014hPa 7J/kg 100% 14°C 100% 100% 34% 0.05mm 76% 0.01mm 13dBZ 47° 100% 0.13mm - - 10m/s
15:00
1013hPa 2J/kg 100% 14°C 100% 100% 42% 0.11mm 74% 0mm 2.8dBZ 43° 100% 0.19mm - - 9.8m/s
16:00
1012hPa 4J/kg 100% 14°C 100% 100% 50% 0mm 72% 0mm -7.5dBZ 37° 100% 0.25mm 24m/s 24m/s 8.3m/s
17:00
1010hPa 4J/kg 100% 13°C 78% 100% 49% 0mm 73% 0mm -12dBZ 29° 100% 0.25mm - - 8.6m/s
18:00
1008hPa 4J/kg 100% 12°C 45% 100% 48% 0mm 77% 0.01mm -16dBZ 19° 100% 0.25mm - - 10m/s
19:00
1006hPa 0J/kg 100% 7.1°C 19% 96% 47% 0mm 82% 0.01mm -20dBZ 9.9° 100% 0.25mm 22m/s 22m/s 11m/s
20:00
1006hPa 0J/kg 100% 6.3°C 91% 91% 59% 0mm 85% 0.01mm -15dBZ 0.7° 100% 0mm - - 11m/s
21:00
1005hPa 0J/kg 100% 4.5°C 91% 12% 71% 0mm 88% 0.01mm -11dBZ -8.8° 100% 0mm - - 12m/s
22:00
1003hPa 4J/kg 100% 3.7°C 97% 89% 82% 0.13mm 88% 0mm -5.8dBZ -17° 100% 0.06mm 9.1m/s 18m/s 13m/s
23:00
1003hPa 1J/kg 73% 5.1°C 100% 100% 83% 1.8mm 92% 0mm 3.9dBZ -24° 100% 1.2mm - - 13m/s
Sat, Apr 11 Sunrise 06:38 Sunset 20:06
24:00
1002hPa 17J/kg 99% 6.8°C 100% 100% 84% 2.1mm 94% 0.07mm 13dBZ -29° 100% 2.9mm - - 13m/s
01:00
1002hPa 13J/kg 100% 9°C 100% 100% 85% 1.7mm 93% 0.11mm 23dBZ -32° 100% 5.1mm 13m/s 20m/s 10m/s
02:00
1003hPa 0J/kg 100% 11°C 100% 1% 76% 0.07mm 81% 0.02mm 20dBZ -31° 100% 0.94mm - - 9.7m/s
03:00
1003hPa 7J/kg 100% 14°C 90% 0% 66% 0mm 69% 0mm 17dBZ -28° 100% 0.94mm - - 12m/s
04:00
1003hPa 12J/kg 100% 15°C 17% 5% 56% 0mm 63% 0.01mm 14dBZ -22° 100% 0.94mm 23m/s 39m/s 12m/s
05:00
1003hPa 17J/kg 100% 15°C 59% 67% 60% 0mm 65% 0.02mm 19dBZ -15° 100% 1mm - - 12m/s
06:00
1004hPa 21J/kg 100% 15°C 66% 91% 64% 0mm 68% 0.06mm 23dBZ -6.4° 100% 1.1mm - - 11m/s
07:00
1005hPa 14J/kg 100% 14°C 69% 1% 69% 0mm 58% 0.01mm 27dBZ 3.1° 100% 1.1mm 6.5m/s 45m/s 8.4m/s
08:00
1005hPa 47J/kg 67% 9.6°C 48% 2% 59% 0mm 64% 0.06mm 12dBZ 13° 68% 0.85mm - - 11m/s
09:00
1006hPa 79J/kg 33% 4.8°C 26% 4% 49% 0mm 70% 0.12mm -4.2dBZ 22° 37% 0.65mm - - 13m/s
10:00
1006hPa 112J/kg 0% 0.07°C 5% 5% 39% 0mm 75% 0.17mm -20dBZ 31° 5% 0.44mm 6.6m/s 36m/s 16m/s
11:00
1006hPa 86J/kg 0% 0.3°C 5% 5% 56% 0.007mm 75% 0.11mm -20dBZ 39° 5% 0.54mm - - 15m/s
12:00
1006hPa 61J/kg 0% 0.52°C 5% 4% 73% 0.01mm 76% 0.06mm -20dBZ 45° 5% 0.65mm - - 15m/s
13:00
1006hPa 35J/kg 0% 0.74°C 5% 4% 91% 0.02mm 76% 0mm -20dBZ 48° 5% 0.75mm 5.1m/s 10m/s 15m/s
14:00
1007hPa 41J/kg 0% 0.7°C 5% 36% 87% 0.01mm 76% 0.03mm -8.1dBZ 48° 37% 0.52mm - - 14m/s
15:00
1007hPa 48J/kg 0% 0.67°C 6% 68% 84% 0.007mm 76% 0.07mm 3.7dBZ 44° 68% 0.29mm - - 14m/s
16:00
1007hPa 54J/kg 0% 0.63°C 6% 100% 81% 0mm 76% 0.1mm 16dBZ 37° 100% 0.06mm 2.5m/s 3.5m/s 14m/s
17:00
1007hPa 69J/kg 0% 0.52°C 10% 70% 85% 0mm 77% 0.17mm 12dBZ 29° 72% 0.19mm - - 14m/s
18:00
1007hPa 83J/kg 0% 0.41°C 14% 40% 90% 0mm 77% 0.23mm 8.2dBZ 20° 45% 0.31mm - - 15m/s
19:00
1007hPa 98J/kg 0% 0.3°C 17% 10% 94% 0mm 77% 0.3mm 4.5dBZ 10° 17% 0.44mm 4.6m/s 3.9m/s 15m/s
20:00
1007hPa 88J/kg 0% 0.31°C 13% 8% 84% 0.02mm 78% 0.22mm 6.9dBZ 0.91° 13% 0.54mm - - 15m/s
21:00
1006hPa 78J/kg 0% 0.33°C 9% 7% 73% 0.04mm 79% 0.13mm 9.2dBZ -8.6° 9% 0.65mm - - 15m/s
22:00
1006hPa 68J/kg 0% 0.35°C 5% 5% 63% 0.06mm 80% 0.05mm 12dBZ -17° 5% 0.75mm 1.4m/s 2.5m/s 15m/s
23:00
1007hPa 58J/kg 0% 0.33°C 5% 13% 70% 0.06mm 79% 0.04mm 14dBZ -24° 13% 0.94mm - - 14m/s
Sun, Apr 12 Sunrise 06:36 Sunset 20:08
24:00
1007hPa 47J/kg 0% 0.3°C 6% 20% 77% 0.06mm 78% 0.02mm 16dBZ -29° 21% 1.1mm - - 13m/s
01:00
1007hPa 37J/kg 0% 0.28°C 6% 28% 85% 0.06mm 77% 0.01mm 18dBZ -31° 28% 1.3mm 3.5m/s 3.9m/s 12m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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