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Rule Storm Chaser

Porthcurno - Storm Chaser - Cornwall

Porthcurno, 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 99% failing

Currently

Real-time conditions
Cloud Cover0%
Wind Gusts5.0m/s
Precipitation Chance0%
Air Pressure1021.3hPa
CAPE0
Lifted Index7.8°C
Wind Gusts5.0m/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 79 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, Jul 8
06:000%0.8%0J/kg11°C24134m4.5m/s
07:000%57%0J/kg10°C24135m4.2m/s
08:000%33%0J/kg10°C24134m4m/s
09:000%52%0J/kg9.7°C24135m4.2m/s
10:000%9.5%0J/kg9.3°C24134m3.7m/s
11:000%7.1%0J/kg8.7°C24134m3.4m/s
12:000%1.1%0J/kg8.3°C24134m3.4m/s
13:000%0.9%0J/kg7.9°C24134m4.1m/s
14:000%0.7%0J/kg7.8°C24134m5m/s
15:000%5.3%0J/kg7.7°C24135m5.4m/s
16:000%5.5%0J/kg7.5°C24135m6.1m/s
17:000%5.5%0J/kg7.5°C24135m6.3m/s
18:000%2.8%0J/kg7.2°C24135m7.1m/s
19:000%3.2%0J/kg7.3°C24134m7.1m/s
20:000%0.5%0J/kg7.7°C24134m7m/s
21:000%0.2%0J/kg7.8°C24134m6.2m/s
22:000%0.6%0J/kg7.7°C24135m6m/s
23:000%0.5%0J/kg7.8°C24134m6.7m/s
Thu, Jul 9
24:000%0.7%0J/kg7.7°C24134m6.9m/s
01:000%0.6%0J/kg7.7°C24135m6.7m/s
02:000%0.5%0J/kg7.7°C24135m6.4m/s
03:000%0.4%0J/kg7.8°C24135m6.6m/s
04:000%0.4%0J/kg7.9°C24134m6.6m/s
05:000%0.4%0J/kg7.7°C24134m6.3m/s
06:000%0.5%0J/kg7.8°C24134m5.6m/s
07:000%0.4%0J/kg7.8°C24135m5.1m/s
08:000%0.5%0J/kg7.8°C24135m4.8m/s
09:000%0.6%0J/kg7.9°C24134m4.3m/s
10:000%0.7%0J/kg7.9°C24135m3.7m/s
11:000%3.7%0J/kg7.7°C24134m3.6m/s
12:000%2.3%0J/kg7.6°C24135m4.5m/s
13:000%5.6%0J/kg7.4°C24135m5.8m/s
14:000%9.2%0J/kg7.2°C24134m7.2m/s
15:000%6.1%0J/kg6.8°C24135m7.9m/s
16:000%64%0J/kg6.4°C24135m8.1m/s
17:000%41%0J/kg5.8°C24134m7.9m/s
18:000%24%0J/kg5.4°C24135m7.5m/s
19:000%25%0J/kg5.5°C24135m7.8m/s
20:000%25%0J/kg5.6°C24134m8.4m/s
21:000%27%0J/kg5.9°C24135m9.1m/s
22:000%28%0J/kg6.6°C24135m9.4m/s
23:000%51%0J/kg6.4°C24135m8.9m/s
Fri, Jul 10
24:000%14%0J/kg4.9°C24135m7.6m/s
01:000%15%0J/kg4.4°C24135m7.4m/s
02:000%15%0J/kg4.4°C24135m7.2m/s
03:000%1.7%0J/kg4.2°C24135m6.9m/s
04:000%21%0J/kg4.1°C24134m6.5m/s
05:000%24%0J/kg4.5°C24135m6.4m/s
06:000%25%0J/kg4.5°C24134m5.7m/s
07:000%25%0J/kg3.2°C24135m3.9m/s
08:000%25%0J/kg2.5°C24134m3.8m/s
09:000%13%0J/kg2.3°C24134m3.5m/s
10:000%8.9%0J/kg1.5°C24135m2.8m/s
11:000%13%0J/kg1.3°C24134m2m/s
12:000%15%6J/kg1.1°C24134m1.2m/s
13:000%16%21J/kg0.1°C24134m1.6m/s
14:006%14%28J/kg-0.2°C24135m1.9m/s
15:000%5%14J/kg0.4°C24134m1.6m/s
16:000%1.7%2J/kg0.6°C24134m2.2m/s
17:000%9.6%1J/kg0.4°C24135m2.9m/s
18:000%3.7%2J/kg0.2°C24135m3.6m/s
19:0012%48%18J/kg-0.1°C24135m4.3m/s
20:008%42%20J/kg-0.01°C24135m4.8m/s
21:000%29%21J/kg0.07°C24135m5.4m/s
22:000%0%23J/kg0.16°C24135m5.9m/s
23:008%0%45J/kg-0.11°C24135m6.2m/s
Sat, Jul 11
24:008%0%66J/kg-0.38°C24135m6.4m/s
01:009%0%88J/kg-0.65°C24135m6.6m/s
02:000%0%59J/kg0.27°C24135m7.8m/s
03:000%0%30J/kg1.2°C24135m9m/s
04:000%5.2%1J/kg2.1°C24135m10m/s
05:000%5.2%11J/kg1.4°C24135m11m/s
06:000%5.2%21J/kg0.7°C24135m11m/s
07:0014%5.2%31J/kg-0.007°C24135m11m/s
08:000%5.2%26J/kg0.11°C24135m9.2m/s
09:000%2.3%22J/kg0.23°C24135m7m/s
10:000%0%17J/kg0.35°C24135m4.8m/s
11:000%0%41J/kg0.04°C24135m4.3m/s
12:008%0%64J/kg-0.27°C24135m3.8m/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
Convective Precip Fraction
fraction
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, Jul 8 Sunrise 05:23 Sunset 21:31
14:00
1021hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 82% 0mm -20dBZ 62° 0% 0mm - - 4.9m/s
15:00
1021hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 84% 0mm -20dBZ 57° 0% 0mm - - 5.2m/s
16:00
1021hPa 0J/kg 0fraction 1% 7.5°C 0% 0% 0% 0mm 86% 0mm -20dBZ 49° 1% 0mm 3.7m/s 6.1m/s 5.5m/s
17:00
1021hPa 0J/kg 0fraction 4% 7.5°C 0% 0% 0% 0mm 88% 0mm -20dBZ 40° 4% 0mm - - 5.6m/s
18:00
1021hPa 0J/kg 0fraction 0% 7.2°C 0% 0% 0% 0mm 89% 0mm -20dBZ 31° 0% 0mm - - 6.2m/s
19:00
1020hPa 0J/kg 0fraction 0% 7.3°C 0% 0% 0% 0mm 90% 0mm -20dBZ 21° 0% 0mm 6m/s 9.6m/s 6.1m/s
20:00
1020hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 90% 0mm -20dBZ 12° 0% 0mm - - 5.9m/s
21:00
1020hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 90% 0mm -20dBZ 3.6° 0% 0mm - - 5.2m/s
22:00
1020hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 89% 0mm -20dBZ -4.2° 0% 0mm 6.7m/s 7.8m/s 5m/s
23:00
1020hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 89% 0mm -20dBZ -10° 0% 0mm - - 5.4m/s
Thu, Jul 9 Sunrise 05:23 Sunset 21:31
24:00
1020hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 89% 0mm -20dBZ -15° 0% 0mm - - 5.7m/s
01:00
1020hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 88% 0mm -20dBZ -17° 0% 0mm 7.7m/s 8m/s 5.6m/s
02:00
1020hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 88% 0mm -20dBZ -17° 0% 0mm - - 5.3m/s
03:00
1020hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 87% 0mm -20dBZ -15° 0% 0mm - - 5.5m/s
04:00
1019hPa 0J/kg 0fraction 0% 7.9°C 0% 0% 0% 0mm 86% 0mm -20dBZ -10° 0% 0mm 8.7m/s 8.2m/s 5.4m/s
05:00
1019hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 86% 0mm -20dBZ -3.7° 0% 0mm - - 5.1m/s
06:00
1019hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 85% 0mm -20dBZ 4.2° 0% 0mm - - 4.6m/s
07:00
1019hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 85% 0mm -20dBZ 13° 0% 0mm 7.6m/s 7.3m/s 4.3m/s
08:00
1019hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 85% 0mm -20dBZ 22° 0% 0mm - - 4m/s
09:00
1019hPa 0J/kg 0fraction 0% 7.9°C 0% 0% 0% 0mm 84% 0mm -20dBZ 32° 0% 0mm - - 3.7m/s
10:00
1019hPa 0J/kg 0fraction 0% 7.9°C 0% 0% 0% 0mm 82% 0mm -20dBZ 41° 0% 0mm 6.2m/s 6.2m/s 3.3m/s
11:00
1018hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 78% 0mm -20dBZ 50° 0% 0mm - - 3.4m/s
12:00
1018hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 80% 0mm -20dBZ 57° 0% 0mm - - 4.5m/s
13:00
1018hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 82% 0mm -20dBZ 62° 0% 0mm 6.6m/s 6.8m/s 5.7m/s
14:00
1018hPa 0J/kg 0fraction 0% 7.2°C 0% 0% 0% 0mm 81% 0mm -20dBZ 62° 0% 0mm - - 6.4m/s
15:00
1018hPa 0J/kg 0fraction 0% 6.8°C 0% 0% 0% 0mm 81% 0mm -20dBZ 57° 0% 0mm - - 6.9m/s
16:00
1017hPa 0J/kg 0fraction 37% 6.4°C 0% 0% 0% 0mm 80% 0mm -20dBZ 49° 37% 0mm 7.5m/s 7.1m/s 6.7m/s
17:00
1017hPa 0J/kg 0fraction 79% 5.8°C 0% 0% 0% 0mm 80% 0mm -20dBZ 40° 79% 0mm - - 6.4m/s
18:00
1017hPa 0J/kg 0fraction 100% 5.4°C 0% 0% 0% 0mm 77% 0mm -20dBZ 31° 100% 0mm - - 6.1m/s
19:00
1016hPa 0J/kg 0fraction 100% 5.5°C 0% 0% 0% 0mm 76% 0mm -20dBZ 21° 100% 0mm 7.3m/s 6.9m/s 6.3m/s
20:00
1016hPa 0J/kg 0fraction 100% 5.6°C 0% 0% 0% 0mm 78% 0mm -20dBZ 12° 100% 0mm - - 6.5m/s
21:00
1016hPa 0J/kg 0fraction 100% 5.9°C 0% 0% 0% 0mm 83% 0mm -20dBZ 3.6° 100% 0mm - - 6.6m/s
22:00
1016hPa 0J/kg 0fraction 100% 6.6°C 0% 1% 0% 0mm 87% 0mm -20dBZ -4.2° 100% 0mm 8.2m/s 6.8m/s 6.5m/s
23:00
1016hPa 0J/kg 0fraction 68% 6.4°C 0% 3% 0% 0mm 86% 0mm -20dBZ -11° 68% 0mm - - 5.8m/s
Fri, Jul 10 Sunrise 05:24 Sunset 21:31
24:00
1015hPa 0J/kg 0fraction 38% 4.9°C 0% 5% 0% 0mm 86% 0mm -20dBZ -15° 38% 0mm - - 5.5m/s
01:00
1015hPa 0J/kg 0fraction 85% 4.4°C 0% 4% 0% 0mm 89% 0mm -20dBZ -17° 85% 0mm 8.2m/s 5.6m/s 5.7m/s
02:00
1015hPa 0J/kg 0fraction 19% 4.4°C 0% 2% 0% 0mm 90% 0mm -20dBZ -17° 19% 0mm - - 5.5m/s
03:00
1015hPa 0J/kg 0fraction 5% 4.2°C 0% 0% 0% 0mm 85% 0mm -20dBZ -15° 5% 0mm - - 5.4m/s
04:00
1015hPa 0J/kg 0fraction 5% 4.1°C 0% 0% 0% 0mm 82% 0mm -20dBZ -10° 5% 0mm 11m/s 7.5m/s 5.1m/s
05:00
1015hPa 0J/kg 0fraction 5% 4.5°C 0% 0% 0% 0mm 84% 0mm -20dBZ -3.8° 5% 0mm - - 5.4m/s
06:00
1015hPa 0J/kg 0fraction 7% 4.5°C 0% 0% 0% 0mm 83% 0mm -20dBZ 4.1° 7% 0mm - - 4.7m/s
07:00
1015hPa 0J/kg 0fraction 7% 3.2°C 0% 0% 0% 0mm 80% 0mm -20dBZ 13° 7% 0mm 9m/s 6.6m/s 4m/s
08:00
1015hPa 0J/kg 0fraction 9% 2.5°C 0% 0% 0% 0mm 74% 0mm -20dBZ 22° 9% 0mm - - 3.9m/s
09:00
1015hPa 0J/kg 0fraction 5% 2.3°C 0% 0% 0% 0mm 69% 0mm -20dBZ 31° 5% 0mm - - 3.4m/s
10:00
1015hPa 0J/kg 0fraction 4% 1.5°C 0% 0% 0% 0mm 68% 0mm -20dBZ 41° 4% 0mm 8.7m/s 6.2m/s 2.6m/s
11:00
1015hPa 0J/kg 0fraction 0% 1.3°C 0% 0% 0% 0mm 74% 0mm -20dBZ 50° 0% 0mm - - 2m/s
12:00
1015hPa 6J/kg 0fraction 3% 1.1°C 0% 1% 0% 0mm 77% 0mm -20dBZ 57° 3% 0mm - - 1.1m/s
13:00
1015hPa 21J/kg 0fraction 5% 0.1°C 0% 0% 0% 0mm 77% 0mm -20dBZ 62° 5% 0mm 9m/s 8.7m/s 1.6m/s
14:00
1016hPa 28J/kg 0fraction 2% -0.2°C 0% 0% 0% 0mm 78% 0mm -20dBZ 61° 2% 0mm - - 1.9m/s
15:00
1016hPa 14J/kg 0fraction 0% 0.4°C 0% 0% 0% 0mm 75% 0mm -20dBZ 57° 0% 0mm - - 1.7m/s
16:00
1016hPa 2J/kg 0fraction 0% 0.6°C 0% 1% 0% 0mm 74% 0mm -20dBZ 49° 1% 0mm 11m/s 9.9m/s 2m/s
17:00
1015hPa 1J/kg 0fraction 4% 0.4°C 0% 5% 0% 0mm 76% 0mm -20dBZ 40° 5% 0mm - - 2.7m/s
18:00
1015hPa 2J/kg 0fraction 0% 0.2°C 0% 5% 0% 0mm 77% 0mm -20dBZ 31° 5% 0mm - - 3.6m/s
19:00
1015hPa 18J/kg 0fraction 0% -0.1°C 0% 48% 0% 0mm 77% 0mm -20dBZ 21° 48% 0mm 11m/s 9.2m/s 4m/s
20:00
1016hPa 20J/kg 0fraction 0% -0.01°C 0% 32% 0% 0mm 77% 0mm -20dBZ 12° 32% 0mm - - 4.3m/s
21:00
1016hPa 21J/kg 0fraction 0% 0.07°C 0% 16% 0% 0mm 78% 0mm -20dBZ 3.5° 16% 0mm - - 4.6m/s
22:00
1016hPa 23J/kg 0fraction 0% 0.16°C 0% 0% 0% 0mm 78% 0mm -20dBZ -4.3° 0% 0mm 8m/s 6.2m/s 4.9m/s
23:00
1016hPa 45J/kg 0fraction 0% -0.11°C 0% 0% 0% 0mm 77% 0mm -20dBZ -11° 0% 0mm - - 4.9m/s
Sat, Jul 11 Sunrise 05:25 Sunset 21:30
24:00
1017hPa 66J/kg 0fraction 0% -0.38°C 1% 0% 0% 0mm 76% 0mm -20dBZ -15° 1% 0mm - - 4.8m/s
01:00
1017hPa 88J/kg 0fraction 0% -0.65°C 1% 0% 0% 0mm 75% 0mm -20dBZ -18° 1% 0mm 5.3m/s 8.5m/s 4.7m/s
02:00
1017hPa 59J/kg 0fraction 0% 0.27°C 1% 0% 0% 0mm 74% 0mm -20dBZ -17° 1% 0mm - - 5.5m/s
03:00
1017hPa 30J/kg 0fraction 0% 1.2°C 0% 0% 0% 0mm 74% 0mm -20dBZ -15° 0% 0mm - - 6.3m/s
04:00
1018hPa 1J/kg 0fraction 0% 2.1°C 0% 0% 0% 0mm 73% 0mm -20dBZ -10° 0% 0mm 4.5m/s 6.9m/s 7m/s
05:00
1018hPa 11J/kg 0fraction 0% 1.4°C 0% 0% 0% 0mm 73% 0mm -20dBZ -3.9° 0% 0mm - - 7.2m/s
06:00
1018hPa 21J/kg 0fraction 0% 0.7°C 0% 0% 0% 0mm 72% 0mm -20dBZ 3.9° 0% 0mm - - 7.4m/s
07:00
1019hPa 31J/kg 0fraction 0% -0.007°C 0% 0% 0% 0mm 72% 0mm -20dBZ 13° 0% 0mm 6.6m/s 5.1m/s 7.5m/s
08:00
1019hPa 26J/kg 0fraction 0% 0.11°C 0% 0% 0% 0mm 73% 0mm -20dBZ 22° 0% 0mm - - 6.2m/s
09:00
1019hPa 22J/kg 0fraction 0% 0.23°C 0% 0% 0% 0mm 75% 0mm -20dBZ 31° 0% 0mm - - 4.9m/s
10:00
1019hPa 17J/kg 0fraction 0% 0.35°C 0% 0% 0% 0mm 76% 0mm -20dBZ 41° 0% 0mm 7m/s 5.4m/s 3.6m/s
11:00
1019hPa 41J/kg 0fraction 0% 0.04°C 0% 0% 0% 0mm 74% 0mm -20dBZ 50° 0% 0mm - - 3.5m/s
12:00
1018hPa 64J/kg 0fraction 0% -0.27°C 0% 0% 0% 0mm 72% 0mm -20dBZ 57° 0% 0mm - - 3.3m/s
13:00
1018hPa 88J/kg 0fraction 0% -0.58°C 0% 0% 0% 0mm 70% 0mm -20dBZ 61° 0% 0mm 7.1m/s 9.6m/s 3.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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