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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 88% failing

Currently

Real-time conditions
Cloud Cover71%
Wind Gusts10.2m/s
Precipitation Chance0%
Air Pressure1021.7hPa
CAPE0
Lifted Index7.7°C
Wind Gusts10.2m/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
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%6.8%0J/kg3.3°C24135m6.6m/s
02:000%0.2%0J/kg3.3°C24134m5.4m/s
03:000%1.6%0J/kg3.4°C24134m5.1m/s
04:000%0%0J/kg4°C24135m5.3m/s
05:000%0%0J/kg3.8°C24134m6.6m/s
06:000%41%0J/kg3.6°C24135m9m/s
07:000%96%0J/kg3.9°C24134m8.5m/s
08:000%67%0J/kg7.7°C24135m10m/s
09:000%54%0J/kg6.7°C24135m11m/s
10:0013%41%0J/kg6.4°C24134m11m/s
11:000%43%1J/kg7.7°C24135m13m/s
12:000%35%0J/kg9.4°C24134m11m/s
13:0015%29%5J/kg14°C24134m12m/s
14:000%34%12J/kg15°C24135m13m/s
15:000%30%0J/kg16°C24135m13m/s
16:0017%14%2J/kg18°C24135m14m/s
17:000%12%1J/kg18°C24134m13m/s
18:000%15%0J/kg18°C24135m13m/s
19:0015%16%0J/kg19°C24135m12m/s
20:000%15%0J/kg18°C24135m12m/s
21:000%13%0J/kg18°C24135m11m/s
22:0014%0%0J/kg18°C24134m9.7m/s
23:000%0%1J/kg18°C24134m10m/s
Fri, Apr 10
24:000%0%0J/kg18°C24135m9.7m/s
01:0015%0%0J/kg18°C24134m8.5m/s
02:000%0%1J/kg18°C24135m6.8m/s
03:000%0%1J/kg18°C24135m4.4m/s
04:000%0%0J/kg18°C24135m3.3m/s
05:000%0%0J/kg18°C24134m2.8m/s
06:000%47%0J/kg18°C24135m3.2m/s
07:000%55%0J/kg17°C24135m4m/s
08:000%51%0J/kg17°C24134m4.6m/s
09:000%51%0J/kg16°C24134m6.5m/s
10:000%45%4J/kg16°C24135m7.7m/s
11:000%45%4J/kg16°C24135m9m/s
12:000%37%2J/kg15°C24135m11m/s
13:0018%40%0J/kg13°C24135m11m/s
14:000%40%7J/kg14°C24135m12m/s
15:000%40%3J/kg14°C24134m12m/s
16:0018%47%2J/kg14°C24135m13m/s
17:000%50%3J/kg13°C24134m14m/s
18:000%61%5J/kg11°C24135m15m/s
19:0020%64%9J/kg9.5°C24134m15m/s
20:000%52%6J/kg9.4°C24135m16m/s
21:000%47%5J/kg3.8°C24135m17m/s
22:0018%0.9%29J/kg3.6°C24134m18m/s
23:0016%0%1J/kg5.1°C23211m17m/s
Sat, Apr 11
24:0030%0%4J/kg6.2°C8478m17m/s
01:0037%0%35J/kg6.1°C8548m12m/s
02:0025%0.6%18J/kg7.6°C11574m11m/s
03:0015%0%0J/kg10°C24092m6.1m/s
04:0042%0%10J/kg10°C6359m9.8m/s
05:0027%1.2%1J/kg11°C16778m7.4m/s
06:0014%18%3J/kg13°C24135m4.1m/s
07:0047%57%10J/kg12°C3991m8.5m/s
08:0017%63%28J/kg12°C9737m15m/s
09:0015%82%6J/kg12°C24134m15m/s
10:0029%41%17J/kg8.8°C24134m15m/s
11:0015%28%1J/kg6.2°C24135m15m/s
12:0015%28%9J/kg3°C24135m16m/s
13:0016%32%29J/kg1.3°C24050m19m/s
14:0016%42%50J/kg0.91°C21700m19m/s
15:0017%42%72J/kg0.52°C19351m20m/s
16:0018%28%93J/kg0.13°C17001m20m/s
17:0027%46%88J/kg0.2°C19379m19m/s
18:0017%61%83J/kg0.26°C21757m18m/s
19:0025%51%78J/kg0.33°C24135m17m/s
20:0015%55%66J/kg0.68°C24135m17m/s
21:000%47%54J/kg1°C24135m16m/s
22:000%0%42J/kg1.4°C24135m16m/s
23:000%0%39J/kg1.5°C24135m16m/s
Sun, Apr 12
24:000%0%37J/kg1.6°C24135m16m/s
01:000%0%34J/kg1.7°C24135m16m/s
02:000%0%47J/kg1.6°C24135m15m/s
03:000%0%60J/kg1.6°C24135m14m/s
04:000%0%73J/kg1.5°C24135m14m/s
05:000%0%64J/kg1.6°C24135m13m/s
06:000%53%55J/kg1.8°C24135m13m/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
08:00
1022hPa 0J/kg 9% 7.7°C 3% 71% 0% 0mm 86% 0mm -18dBZ 12° 71% 0mm - - 6.7m/s
09:00
1022hPa 0J/kg 100% 6.7°C 85% 37% 0% 0mm 90% 0mm -16dBZ 21° 100% 0mm - - 7.5m/s
10:00
1023hPa 0J/kg 100% 6.4°C 100% 69% 0% 0.01mm 92% 0.01mm -14dBZ 30° 100% 0mm 18m/s 16m/s 9.2m/s
11:00
1023hPa 1J/kg 100% 7.7°C 100% 100% 0% 0mm 83% 0mm -16dBZ 38° 100% 0.06mm - - 9.5m/s
12:00
1024hPa 0J/kg 100% 9.4°C 17% 100% 0% 0mm 81% 0mm -18dBZ 44° 100% 0.06mm - - 9m/s
13:00
1024hPa 5J/kg 100% 14°C 1% 100% 0% 0mm 80% 0mm -20dBZ 47° 100% 0.06mm 22m/s 25m/s 9.1m/s
14:00
1024hPa 12J/kg 100% 15°C 5% 100% 0% 0mm 77% 0mm -20dBZ 47° 100% 0mm - - 11m/s
15:00
1025hPa 0J/kg 100% 16°C 5% 100% 0% 0mm 74% 0mm -20dBZ 43° 100% 0mm - - 13m/s
16:00
1025hPa 2J/kg 100% 18°C 5% 5% 0% 0mm 66% 0mm -20dBZ 37° 100% 0mm 21m/s 26m/s 13m/s
17:00
1025hPa 1J/kg 100% 18°C 5% 2% 0% 0mm 62% 0mm -20dBZ 29° 100% 0mm - - 12m/s
18:00
1025hPa 0J/kg 100% 18°C 5% 5% 0% 0mm 60% 0mm -20dBZ 19° 100% 0mm - - 12m/s
19:00
1026hPa 0J/kg 100% 19°C 5% 0% 0% 0mm 58% 0mm -20dBZ 9.9° 100% 0mm 20m/s 29m/s 12m/s
20:00
1027hPa 0J/kg 100% 18°C 5% 5% 0% 0mm 58% 0mm -20dBZ 0.75° 100% 0mm - - 12m/s
21:00
1027hPa 0J/kg 100% 18°C 5% 5% 0% 0mm 58% 0mm -20dBZ -8.8° 100% 0mm - - 11m/s
22:00
1027hPa 0J/kg 100% 18°C 5% 64% 0% 0mm 58% 0mm -20dBZ -17° 100% 0mm 14m/s 31m/s 9.8m/s
23:00
1027hPa 1J/kg 100% 18°C 5% 100% 0% 0mm 58% 0mm -20dBZ -24° 100% 0mm - - 10m/s
Fri, Apr 10 Sunrise 06:42 Sunset 20:07
24:00
1027hPa 0J/kg 100% 18°C 5% 100% 0% 0mm 59% 0mm -20dBZ -29° 100% 0mm - - 9.8m/s
01:00
1026hPa 0J/kg 100% 18°C 20% 100% 0% 0mm 60% 0mm -20dBZ -32° 100% 0mm 15m/s 33m/s 8.6m/s
02:00
1025hPa 1J/kg 100% 18°C 96% 100% 3% 0mm 59% 0mm -20dBZ -32° 100% 0mm - - 6.9m/s
03:00
1025hPa 1J/kg 100% 18°C 99% 100% 7% 0mm 58% 0mm -20dBZ -28° 100% 0mm - - 4.7m/s
04:00
1025hPa 0J/kg 100% 18°C 100% 100% 10% 0mm 57% 0mm -20dBZ -23° 100% 0mm 19m/s 35m/s 3.9m/s
05:00
1024hPa 0J/kg 100% 18°C 92% 100% 25% 0mm 56% 0mm -16dBZ -16° 100% 0mm - - 3.4m/s
06:00
1023hPa 0J/kg 79% 18°C 100% 98% 41% 0mm 56% 0mm -12dBZ -7° 100% 0mm - - 3.6m/s
07:00
1023hPa 0J/kg 100% 17°C 100% 100% 56% 0.01mm 58% 0mm -7.5dBZ 2.5° 100% 0mm 22m/s 32m/s 4.2m/s
08:00
1023hPa 0J/kg 100% 17°C 100% 100% 54% 0mm 60% 0mm 1.6dBZ 12° 100% 0mm - - 4.3m/s
09:00
1022hPa 0J/kg 100% 16°C 100% 100% 52% 0.06mm 65% 0mm 11dBZ 21° 100% 0.06mm - - 5.9m/s
10:00
1021hPa 4J/kg 100% 16°C 100% 100% 50% 0.16mm 70% 0mm 20dBZ 30° 100% 0.13mm 29m/s 27m/s 7.5m/s
11:00
1020hPa 4J/kg 100% 16°C 100% 100% 50% 0.09mm 73% 0mm 18dBZ 38° 100% 0.25mm - - 8.6m/s
12:00
1019hPa 2J/kg 100% 15°C 100% 100% 50% 0.09mm 71% 0mm 16dBZ 44° 100% 0.31mm - - 9.7m/s
13:00
1018hPa 0J/kg 100% 13°C 81% 100% 50% 0mm 71% 0mm 14dBZ 48° 100% 0.31mm 28m/s 23m/s 10m/s
14:00
1017hPa 7J/kg 100% 14°C 100% 100% 46% 0mm 72% 0.01mm 11dBZ 47° 100% 0mm - - 11m/s
15:00
1016hPa 3J/kg 100% 14°C 100% 100% 43% 0mm 71% 0mm 8.5dBZ 44° 100% 0mm - - 11m/s
16:00
1013hPa 2J/kg 100% 14°C 70% 100% 39% 0mm 73% 0mm 5.9dBZ 37° 100% 0mm 24m/s 31m/s 11m/s
17:00
1012hPa 3J/kg 100% 13°C 83% 100% 46% 0mm 76% 0mm -1.3dBZ 29° 100% 0mm - - 12m/s
18:00
1010hPa 5J/kg 100% 11°C 38% 100% 52% 0mm 81% 0mm -8.5dBZ 20° 100% 0mm - - 12m/s
19:00
1010hPa 9J/kg 100% 9.5°C 99% 29% 59% 0mm 84% 0.02mm -16dBZ 10° 100% 0mm 16m/s 27m/s 13m/s
20:00
1008hPa 6J/kg 100% 9.4°C 64% 5% 72% 0mm 86% 0.01mm -11dBZ 0.96° 100% 0mm - - 13m/s
21:00
1007hPa 5J/kg 98% 3.8°C 11% 4% 85% 0mm 88% 0mm -6.1dBZ -8.5° 98% 0mm - - 14m/s
22:00
1006hPa 29J/kg 100% 3.6°C 100% 100% 98% 0.03mm 86% 0.01mm -1.3dBZ -17° 100% 0.06mm 8.5m/s 21m/s 13m/s
23:00
1005hPa 1J/kg 100% 5.1°C 100% 100% 98% 0.34mm 90% 0mm 8.4dBZ -24° 100% 0.31mm - - 14m/s
Sat, Apr 11 Sunrise 06:40 Sunset 20:08
24:00
1004hPa 4J/kg 100% 6.2°C 100% 100% 98% 1.5mm 93% 0.03mm 18dBZ -29° 100% 1.2mm - - 13m/s
01:00
1003hPa 35J/kg 100% 6.1°C 100% 100% 98% 1.1mm 95% 0.22mm 28dBZ -31° 100% 2.9mm 7.1m/s 19m/s 11m/s
02:00
1003hPa 18J/kg 100% 7.6°C 100% 100% 78% 0.71mm 91% 0.12mm 24dBZ -31° 100% 1.5mm - - 10m/s
03:00
1003hPa 0J/kg 100% 10°C 100% 0% 58% 0.12mm 87% 0.01mm 21dBZ -28° 100% 1.8mm - - 7.2m/s
04:00
1004hPa 10J/kg 14% 10°C 100% 0% 39% 1.7mm 93% 0.16mm 17dBZ -22° 100% 3.1mm 28m/s 43m/s 11m/s
05:00
1004hPa 1J/kg 5% 11°C 100% 0% 49% 0.41mm 91% 0mm 19dBZ -15° 100% 3.9mm - - 8.3m/s
06:00
1004hPa 3J/kg 0% 13°C 100% 0% 59% 0.03mm 78% 0.01mm 21dBZ -6.6° 100% 4.1mm - - 2.5m/s
07:00
1005hPa 10J/kg 0% 12°C 100% 88% 69% 3.4mm 92% 0.2mm 23dBZ 2.8° 100% 5mm 8.4m/s 47m/s 9.3m/s
08:00
1006hPa 28J/kg 0% 12°C 100% 73% 60% 0.28mm 89% 0.18mm 8.7dBZ 12° 100% 1.8mm - - 12m/s
09:00
1007hPa 6J/kg 0% 12°C 56% 85% 52% 0mm 76% 0.02mm -5.6dBZ 22° 85% 1.9mm - - 10m/s
10:00
1007hPa 17J/kg 0% 8.8°C 91% 0% 44% 0mm 51% 0.02mm -20dBZ 31° 91% 2mm 1m/s 29m/s 13m/s
11:00
1008hPa 1J/kg 0% 6.2°C 5% 0% 57% 0mm 49% 0mm -16dBZ 39° 5% 2mm - - 13m/s
12:00
1008hPa 9J/kg 0% 3°C 5% 0% 70% 0mm 52% 0mm -12dBZ 45° 5% 2mm - - 13m/s
13:00
1008hPa 29J/kg 0% 1.3°C 5% 5% 83% 0mm 61% 0.07mm -7.7dBZ 48° 5% 2.1mm 5.4m/s 3.8m/s 15m/s
14:00
1007hPa 50J/kg 0% 0.91°C 37% 3% 78% 0mm 67% 0.2mm 2dBZ 48° 37% 1.7mm - - 16m/s
15:00
1006hPa 72J/kg 0% 0.52°C 68% 2% 73% 0mm 73% 0.33mm 12dBZ 44° 68% 1.3mm - - 16m/s
16:00
1004hPa 93J/kg 0% 0.13°C 100% 0% 69% 0mm 79% 0.46mm 21dBZ 37° 100% 0.94mm 3.1m/s 6.1m/s 17m/s
17:00
1005hPa 88J/kg 0% 0.2°C 75% 0% 76% 0.04mm 79% 0.34mm 19dBZ 29° 75% 1.1mm - - 16m/s
18:00
1005hPa 83J/kg 0% 0.26°C 51% 1% 83% 0.09mm 80% 0.22mm 16dBZ 20° 51% 1.4mm - - 15m/s
19:00
1006hPa 78J/kg 0% 0.33°C 26% 2% 91% 0.13mm 81% 0.1mm 14dBZ 10° 26% 1.6mm 4.1m/s 14m/s 15m/s
20:00
1006hPa 66J/kg 0% 0.68°C 24% 2% 88% 0.09mm 79% 0.13mm 15dBZ 1.2° 24% 1.2mm - - 14m/s
21:00
1007hPa 54J/kg 0% 1°C 21% 2% 85% 0.04mm 78% 0.15mm 17dBZ -8.3° 21% 0.81mm - - 14m/s
22:00
1008hPa 42J/kg 0% 1.4°C 18% 2% 82% 0mm 76% 0.18mm 19dBZ -17° 18% 0.44mm 2.4m/s 3.7m/s 14m/s
23:00
1008hPa 39J/kg 0% 1.5°C 14% 17% 85% 0.01mm 74% 0.12mm 17dBZ -24° 28% 0.6mm - - 14m/s
Sun, Apr 12 Sunrise 06:38 Sunset 20:10
24:00
1009hPa 37J/kg 0% 1.6°C 10% 32% 88% 0.03mm 73% 0.07mm 15dBZ -29° 38% 0.77mm - - 14m/s
01:00
1010hPa 34J/kg 0% 1.7°C 5% 47% 90% 0.04mm 71% 0.01mm 14dBZ -31° 47% 0.94mm 0.5m/s 3.7m/s 14m/s
02:00
1011hPa 47J/kg 0% 1.6°C 5% 33% 78% 0.03mm 70% 0.007mm 13dBZ -31° 33% 0.63mm - - 13m/s
03:00
1011hPa 60J/kg 0% 1.6°C 5% 19% 66% 0.02mm 69% 0.003mm 13dBZ -28° 19% 0.31mm - - 13m/s
04:00
1012hPa 73J/kg 0% 1.5°C 5% 4% 54% 0.01mm 68% 0mm 13dBZ -22° 5% 0mm 2.9m/s 6.8m/s 13m/s
05:00
1013hPa 64J/kg 0% 1.6°C 5% 36% 65% 0.007mm 67% 0mm 11dBZ -15° 37% 0mm - - 12m/s
06:00
1013hPa 55J/kg 0% 1.8°C 5% 68% 75% 0.003mm 66% 0mm 8.6dBZ -6.3° 68% 0mm - - 11m/s
07:00
1013hPa 46J/kg 0% 1.9°C 5% 100% 85% 0mm 64% 0mm 6.5dBZ 3.1° 100% 0mm 0.64m/s 6.7m/s 11m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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