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Rule Storm Chaser

Bedruthan Steps - Storm Chaser - Cornwall

Mawgan Porth, 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 81% failing

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts3.4m/s
Precipitation Chance0%
Air Pressure1018.6hPa
CAPE0
Lifted Index3.0°C
Wind Gusts3.4m/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%15%0J/kg2.4°C24135m0.7m/s
03:000%15%0J/kg3.1°C24134m0.92m/s
04:000%8%0J/kg3.1°C24135m1.3m/s
05:000%5.5%0J/kg3°C24134m1.6m/s
06:000%11%0J/kg3°C24134m2m/s
07:000%18%0J/kg2.8°C24135m1.8m/s
08:000%15%0J/kg2.6°C24135m1.5m/s
09:000%39%0J/kg2.4°C11546m1.9m/s
10:000%43%0J/kg2.1°C545m1.6m/s
11:000%41%0J/kg2.4°C227m1.6m/s
12:000%36%0J/kg2.9°C192m4.9m/s
13:000%37%0J/kg3.3°C471m5m/s
14:000%19%0J/kg2.9°C24134m3.6m/s
15:000%7.1%0J/kg3°C24134m2.9m/s
16:000%5.8%0J/kg3.2°C24135m2.5m/s
17:000%13%0J/kg3.4°C24135m3.7m/s
18:000%15%0J/kg3.5°C24134m2.8m/s
19:000%20%0J/kg3.5°C24135m2.2m/s
20:000%30%0J/kg3.4°C24135m2.2m/s
21:000%46%0J/kg3.3°C24134m1.1m/s
22:000%15%0J/kg3.4°C24134m1.9m/s
23:000%9.4%0J/kg3.1°C24135m1.9m/s
Thu, Apr 9
24:000%12%0J/kg3.3°C24135m2.4m/s
01:000%11%0J/kg3.1°C24135m4.7m/s
02:000%3.7%0J/kg3°C24134m3.4m/s
03:000%0.3%0J/kg3.1°C24135m3.9m/s
04:000%0%0J/kg3.9°C24135m4.3m/s
05:000%0%0J/kg4.3°C24135m6.2m/s
06:000%9.7%0J/kg4.9°C24134m7.4m/s
07:000%15%0J/kg7.3°C24134m8.3m/s
08:000%44%0J/kg9.2°C24134m8.3m/s
09:000%35%0J/kg7.1°C24135m10m/s
10:000%43%0J/kg6.2°C24134m11m/s
11:000%43%1J/kg6.5°C24135m11m/s
12:000%35%0J/kg7.5°C24135m11m/s
13:0017%29%1J/kg13°C24135m11m/s
14:000%30%16J/kg14°C24135m11m/s
15:000%29%7J/kg14°C24134m12m/s
16:0017%12%4J/kg15°C24135m12m/s
17:000%47%14J/kg16°C24134m13m/s
18:000%18%1J/kg18°C24134m12m/s
19:0015%22%2J/kg17°C24135m11m/s
20:000%11%1J/kg17°C24135m11m/s
21:000%36%2J/kg17°C24134m11m/s
22:0015%0%6J/kg18°C24134m9.5m/s
23:000%0%3J/kg18°C24135m8.3m/s
Fri, Apr 10
24:000%0%1J/kg18°C24134m7.9m/s
01:000%0%0J/kg18°C24135m8.5m/s
02:000%0%0J/kg19°C24134m7m/s
03:000%0%0J/kg19°C24134m4.9m/s
04:000%0%0J/kg19°C24135m3.7m/s
05:000%0%0J/kg19°C24134m1.4m/s
06:000%44%1J/kg19°C24134m2m/s
07:000%54%0J/kg18°C24135m3.5m/s
08:000%49%0J/kg18°C24134m4.9m/s
09:000%48%0J/kg18°C24134m7m/s
10:000%44%0J/kg15°C24135m7.9m/s
11:000%45%1J/kg16°C24135m9.1m/s
12:000%38%4J/kg15°C24134m9.5m/s
13:0020%38%0J/kg15°C24134m11m/s
14:000%41%0J/kg14°C24134m12m/s
15:000%41%4J/kg14°C18446m12m/s
16:0034%51%18J/kg13°C14963m12m/s
17:0015%53%8J/kg13°C24134m12m/s
18:0015%62%4J/kg12°C24135m14m/s
19:0036%69%0J/kg9.2°C24135m15m/s
20:0014%77%0J/kg7.1°C24135m16m/s
21:0014%68%0J/kg4.8°C24134m18m/s
22:0034%1%1J/kg3.4°C19579m18m/s
23:0032%0%7J/kg4.9°C6189m18m/s
Sat, Apr 11
24:0033%0%16J/kg6.2°C5289m18m/s
01:0046%0%20J/kg8.3°C6230m12m/s
02:0024%0%1J/kg10°C24134m13m/s
03:0024%0.3%24J/kg13°C24134m14m/s
04:0035%0%15J/kg15°C24135m14m/s
05:0022%0.3%21J/kg15°C24135m13m/s
06:0022%58%23J/kg14°C24135m13m/s
07:0034%46%12J/kg14°C24135m11m/s
08:0022%78%38J/kg9.7°C22731m14m/s
09:0016%100%63J/kg5°C21327m16m/s
10:0032%55%89J/kg0.27°C19924m19m/s
11:0016%66%72J/kg0.63°C21328m18m/s
12:0026%70%55J/kg0.99°C22731m17m/s
13:0027%52%38J/kg1.3°C24135m17m/s
14:0016%43%40J/kg1°C23340m16m/s
15:0016%39%42J/kg0.73°C22546m16m/s
16:0017%31%44J/kg0.43°C21751m16m/s
17:0016%50%69J/kg0.35°C18069m16m/s
18:0017%59%93J/kg0.27°C14388m16m/s
19:0033%63%118J/kg0.2°C10706m17m/s
20:0017%63%119J/kg0.21°C11844m17m/s
21:0027%56%119J/kg0.23°C12983m17m/s
22:0027%0%120J/kg0.25°C14121m18m/s
23:0027%0%100J/kg0.06°C17459m17m/s
Sun, Apr 12
24:0027%0%80J/kg-0.13°C20797m15m/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 06:39 Sunset 20:04
02:00
1019hPa 0J/kg 100% 3°C 0% 0% 0% 0mm 89% 0mm -20dBZ -31° 100% 0mm - - 2.9m/s
03:00
1018hPa 0J/kg 100% 3.1°C 0% 16% 0% 0mm 87% 0mm -20dBZ -28° 100% 0mm - - 3.1m/s
04:00
1018hPa 0J/kg 100% 3.9°C 0% 100% 0% 0mm 87% 0mm -20dBZ -23° 100% 0mm 11m/s 6.9m/s 3.2m/s
05:00
1018hPa 0J/kg 100% 4.3°C 5% 92% 0% 0mm 88% 0mm -20dBZ -15° 100% 0mm - - 3.7m/s
06:00
1017hPa 0J/kg 100% 4.9°C 5% 5% 0% 0mm 89% 0mm -20dBZ -6.8° 100% 0mm - - 4.3m/s
07:00
1017hPa 0J/kg 100% 7.3°C 5% 7% 0% 0mm 90% 0mm -20dBZ 2.7° 100% 0mm 14m/s 8.9m/s 4.4m/s
08:00
1017hPa 0J/kg 100% 9.2°C 1% 98% 0% 0mm 89% 0mm -11dBZ 12° 100% 0mm - - 4.6m/s
09:00
1017hPa 0J/kg 100% 7.1°C 92% 10% 0% 0mm 90% 0mm -3dBZ 21° 100% 0mm - - 6.3m/s
10:00
1018hPa 0J/kg 100% 6.2°C 100% 58% 0% 0.06mm 94% 0mm 5.5dBZ 30° 100% 0.06mm 16m/s 16m/s 7.2m/s
11:00
1018hPa 1J/kg 65% 6.5°C 100% 98% 0% 0mm 89% 0.02mm -3dBZ 38° 100% 0.06mm - - 7.6m/s
12:00
1019hPa 0J/kg 100% 7.5°C 64% 100% 0% 0mm 81% 0mm -11dBZ 44° 100% 0.06mm - - 8m/s
13:00
1019hPa 1J/kg 100% 13°C 2% 100% 0% 0mm 80% 0mm -20dBZ 47° 100% 0.06mm 20m/s 25m/s 8.2m/s
14:00
1019hPa 16J/kg 100% 14°C 5% 100% 0% 0mm 78% 0.01mm -15dBZ 47° 100% 0mm - - 9.1m/s
15:00
1019hPa 7J/kg 100% 14°C 4% 87% 0% 0mm 77% 0mm -10dBZ 43° 100% 0mm - - 9.8m/s
16:00
1019hPa 4J/kg 100% 15°C 4% 5% 0% 0mm 74% 0mm -5.2dBZ 36° 100% 0mm 21m/s 30m/s 10m/s
17:00
1020hPa 14J/kg 100% 16°C 5% 39% 0% 0mm 68% 0.03mm -8.7dBZ 28° 100% 0mm - - 10m/s
18:00
1020hPa 1J/kg 100% 18°C 5% 3% 0% 0mm 61% 0mm -12dBZ 19° 100% 0mm - - 11m/s
19:00
1020hPa 2J/kg 100% 17°C 7% 0% 0% 0mm 62% 0mm -16dBZ 9.5° 100% 0mm 21m/s 31m/s 10m/s
20:00
1021hPa 1J/kg 100% 17°C 6% 1% 0% 0mm 60% 0mm -10dBZ 0.46° 100% 0mm - - 9.8m/s
21:00
1022hPa 2J/kg 100% 17°C 5% 80% 0% 0mm 60% 0mm -4.7dBZ -9° 100% 0mm - - 9.7m/s
22:00
1022hPa 6J/kg 100% 18°C 5% 72% 0% 0mm 59% 0.01mm 0.83dBZ -17° 100% 0mm 13m/s 32m/s 8.2m/s
23:00
1022hPa 3J/kg 100% 18°C 5% 100% 0% 0mm 58% 0mm -6.1dBZ -24° 100% 0mm - - 7m/s
Fri, Apr 10 Sunrise 06:39 Sunset 20:04
24:00
1021hPa 1J/kg 100% 18°C 5% 100% 0% 0mm 58% 0mm -13dBZ -29° 100% 0mm - - 7.1m/s
01:00
1021hPa 0J/kg 100% 18°C 13% 100% 0% 0mm 57% 0mm -20dBZ -31° 100% 0mm 16m/s 36m/s 7.6m/s
02:00
1020hPa 0J/kg 100% 19°C 100% 100% 7% 0mm 57% 0mm -15dBZ -31° 100% 0mm - - 6.1m/s
03:00
1020hPa 0J/kg 100% 19°C 100% 100% 15% 0mm 58% 0mm -9.6dBZ -28° 100% 0mm - - 4.2m/s
04:00
1019hPa 0J/kg 100% 19°C 100% 100% 22% 0.01mm 59% 0mm -4.4dBZ -22° 100% 0mm 21m/s 37m/s 3.2m/s
05:00
1019hPa 0J/kg 100% 19°C 77% 100% 25% 0mm 58% 0mm -6.1dBZ -15° 100% 0mm - - 0.93m/s
06:00
1019hPa 1J/kg 77% 19°C 99% 100% 28% 0mm 60% 0mm -7.8dBZ -6.4° 100% 0mm - - 2m/s
07:00
1018hPa 0J/kg 100% 18°C 100% 100% 31% 0.01mm 65% 0mm -9.6dBZ 100% 0mm 23m/s 36m/s 3.6m/s
08:00
1018hPa 0J/kg 100% 18°C 91% 100% 33% 0mm 70% 0mm -1.7dBZ 12° 100% 0mm - - 4.2m/s
09:00
1017hPa 0J/kg 100% 18°C 85% 91% 36% 0.01mm 70% 0mm 6.2dBZ 22° 100% 0mm - - 5.5m/s
10:00
1016hPa 0J/kg 100% 15°C 83% 100% 39% 0.07mm 74% 0mm 14dBZ 31° 100% 0.13mm 22m/s 27m/s 7.6m/s
11:00
1016hPa 1J/kg 100% 16°C 100% 100% 47% 0.07mm 81% 0mm 15dBZ 38° 100% 0.19mm - - 8.5m/s
12:00
1014hPa 4J/kg 100% 15°C 100% 100% 55% 0.14mm 82% 0.01mm 16dBZ 44° 100% 0.31mm - - 8.5m/s
13:00
1013hPa 0J/kg 100% 15°C 100% 100% 64% 0.19mm 83% 0.04mm 17dBZ 47° 100% 0.5mm 25m/s 28m/s 8.7m/s
14:00
1012hPa 0J/kg 100% 14°C 100% 100% 76% 0.19mm 83% 0.02mm 8.2dBZ 47° 100% 0.19mm - - 9.9m/s
15:00
1011hPa 4J/kg 100% 14°C 100% 100% 88% 0.59mm 85% 0.01mm -0.73dBZ 43° 100% 0.69mm - - 9.1m/s
16:00
1010hPa 18J/kg 100% 13°C 100% 100% 100% 0.56mm 86% 0.05mm -9.7dBZ 36° 100% 1.4mm 28m/s 27m/s 8.7m/s
17:00
1008hPa 8J/kg 100% 13°C 100% 100% 89% 0.01mm 82% 0.01mm -13dBZ 28° 100% 1.6mm - - 8.9m/s
18:00
1006hPa 4J/kg 100% 12°C 89% 96% 79% 0.01mm 80% 0mm -17dBZ 19° 100% 1.6mm - - 9.6m/s
19:00
1004hPa 0J/kg 100% 9.2°C 77% 65% 68% 0mm 80% 0mm -20dBZ 9.8° 100% 1.6mm 26m/s 25m/s 10m/s
20:00
1003hPa 0J/kg 100% 7.1°C 98% 56% 75% 0.05mm 82% 0mm -20dBZ 0.67° 100% 0mm - - 11m/s
21:00
1002hPa 0J/kg 100% 4.8°C 100% 33% 81% 0.01mm 84% 0mm -20dBZ -8.8° 100% 0mm - - 12m/s
22:00
1001hPa 1J/kg 89% 3.4°C 100% 97% 88% 0.52mm 88% 0mm -20dBZ -17° 100% 0.19mm 12m/s 20m/s 12m/s
23:00
1000hPa 7J/kg 60% 4.9°C 100% 100% 90% 2.7mm 92% 0mm -3dBZ -24° 100% 2.1mm - - 12m/s
Sat, Apr 11 Sunrise 06:37 Sunset 20:06
24:00
999hPa 16J/kg 100% 6.2°C 100% 100% 92% 3.3mm 94% 0.05mm 14dBZ -29° 100% 4.2mm - - 11m/s
01:00
1000hPa 20J/kg 89% 8.3°C 100% 100% 94% 2.1mm 94% 0.19mm 31dBZ -31° 100% 7mm 9.4m/s 22m/s 10m/s
02:00
1001hPa 1J/kg 100% 10°C 100% 0% 75% 0.13mm 82% 0.02mm 27dBZ -31° 100% 1.1mm - - 10m/s
03:00
1001hPa 24J/kg 100% 13°C 98% 0% 56% 0mm 74% 0.07mm 23dBZ -27° 100% 1.2mm - - 11m/s
04:00
1001hPa 15J/kg 100% 15°C 6% 0% 37% 0mm 67% 0.02mm 19dBZ -22° 100% 1.2mm 38m/s 50m/s 12m/s
05:00
1001hPa 21J/kg 100% 15°C 43% 12% 44% 0mm 68% 0.04mm 7dBZ -15° 100% 1.2mm - - 11m/s
06:00
1002hPa 23J/kg 100% 14°C 85% 49% 51% 0mm 70% 0.09mm -5.3dBZ -6.1° 100% 1.3mm - - 12m/s
07:00
1002hPa 12J/kg 99% 14°C 82% 0% 57% 0mm 59% 0.01mm -18dBZ 3.3° 99% 1.3mm 16m/s 51m/s 9.2m/s
08:00
1002hPa 38J/kg 66% 9.7°C 64% 0% 59% 0mm 66% 0.11mm -13dBZ 13° 75% 1.1mm - - 11m/s
09:00
1002hPa 63J/kg 33% 5°C 45% 1% 62% 0mm 72% 0.2mm -9dBZ 22° 51% 0.9mm - - 12m/s
10:00
1002hPa 89J/kg 0% 0.27°C 27% 1% 64% 0mm 79% 0.3mm -4.8dBZ 31° 27% 0.69mm 7.5m/s 30m/s 14m/s
11:00
1002hPa 72J/kg 0% 0.63°C 20% 9% 74% 0.007mm 78% 0.2mm -9.8dBZ 39° 27% 0.85mm - - 14m/s
12:00
1002hPa 55J/kg 0% 0.99°C 12% 18% 84% 0.01mm 76% 0.1mm -15dBZ 45° 26% 1mm - - 13m/s
13:00
1002hPa 38J/kg 0% 1.3°C 5% 26% 95% 0.02mm 75% 0mm -20dBZ 48° 26% 1.2mm 5.8m/s 9.4m/s 13m/s
14:00
1002hPa 40J/kg 0% 1°C 5% 51% 93% 0.01mm 76% 0.03mm -9dBZ 47° 51% 0.83mm - - 13m/s
15:00
1002hPa 42J/kg 0% 0.73°C 5% 75% 91% 0.007mm 76% 0.05mm 2dBZ 43° 75% 0.48mm - - 13m/s
16:00
1002hPa 44J/kg 0% 0.43°C 5% 100% 90% 0mm 77% 0.08mm 13dBZ 37° 100% 0.13mm 2.8m/s 3.5m/s 13m/s
17:00
1002hPa 69J/kg 0% 0.35°C 36% 91% 92% 0mm 78% 0.25mm 6.7dBZ 29° 99% 0.33mm - - 13m/s
18:00
1002hPa 93J/kg 0% 0.27°C 67% 82% 95% 0mm 79% 0.41mm 0.42dBZ 19° 99% 0.54mm - - 13m/s
19:00
1002hPa 118J/kg 0% 0.2°C 98% 73% 97% 0mm 81% 0.58mm -5.9dBZ 10° 98% 0.75mm 8.1m/s 8.1m/s 13m/s
20:00
1002hPa 119J/kg 0% 0.21°C 96% 77% 84% 0.02mm 82% 0.48mm -2.7dBZ 0.88° 96% 0.92mm - - 13m/s
21:00
1002hPa 119J/kg 0% 0.23°C 94% 81% 71% 0.04mm 83% 0.39mm 0.53dBZ -8.5° 94% 1.1mm - - 13m/s
22:00
1002hPa 120J/kg 0% 0.25°C 91% 84% 58% 0.06mm 84% 0.29mm 3.7dBZ -17° 91% 1.3mm 3.7m/s 2.3m/s 14m/s
23:00
1002hPa 100J/kg 0% 0.06°C 63% 56% 66% 0.04mm 82% 0.19mm 10dBZ -23° 63% 1.5mm - - 13m/s
Sun, Apr 12 Sunrise 06:35 Sunset 20:08
24:00
1002hPa 80J/kg 0% -0.13°C 34% 28% 74% 0.02mm 80% 0.1mm 17dBZ -28° 34% 1.7mm - - 12m/s
01:00
1003hPa 60J/kg 0% -0.32°C 5% 0% 82% 0mm 78% 0mm 23dBZ -31° 5% 1.9mm 3.1m/s 3.2m/s 11m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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