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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 96% failing

Currently

Real-time conditions
Cloud Cover0%
Wind Gusts5.0m/s
Precipitation Chance0%
Air Pressure1018.4hPa
CAPE0
Lifted Index7.9°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%6.6%0J/kg11°C24134m2.8m/s
07:000%15%0J/kg11°C24135m2.4m/s
08:000%18%0J/kg11°C24134m1.8m/s
09:000%15%0J/kg11°C24135m1.5m/s
10:000%8.3%0J/kg9.9°C24134m1.4m/s
11:000%7%0J/kg9.4°C24134m2.1m/s
12:000%1.2%0J/kg8.8°C24134m2.7m/s
13:000%1%0J/kg8.2°C24134m3.7m/s
14:000%0.9%0J/kg7.9°C24134m5m/s
15:000%5.5%0J/kg7.8°C24135m5.5m/s
16:000%7.9%0J/kg7.6°C24135m6.5m/s
17:000%7.7%0J/kg7.6°C24135m6.8m/s
18:000%2.9%0J/kg7.6°C24135m6.8m/s
19:000%0.9%0J/kg7.8°C24134m6.7m/s
20:000%0.8%0J/kg7.7°C24134m6.1m/s
21:000%0.7%0J/kg8°C24134m5.2m/s
22:000%5.9%0J/kg8°C24135m5.5m/s
23:000%0.9%0J/kg7.8°C24134m5.8m/s
Thu, Jul 9
24:000%1%0J/kg7.7°C24134m5.6m/s
01:000%1%0J/kg7.6°C24135m6m/s
02:000%1%0J/kg7.6°C24135m5.9m/s
03:000%0.6%0J/kg7.6°C24135m5.9m/s
04:000%0.5%0J/kg7.7°C24134m5.9m/s
05:000%0.6%0J/kg7.7°C24134m5.6m/s
06:000%0.7%0J/kg7.7°C24134m5.5m/s
07:000%3%0J/kg7.7°C24135m5.1m/s
08:000%0.6%0J/kg7.8°C24135m3.5m/s
09:000%0.7%0J/kg8°C24134m2.3m/s
10:000%3%0J/kg7.9°C24135m1.6m/s
11:000%1.3%0J/kg7.5°C24134m2.4m/s
12:000%4.1%0J/kg7.2°C24135m2.4m/s
13:000%8.7%0J/kg6.4°C24135m2m/s
14:000%15%0J/kg5.7°C24134m2.1m/s
15:000%22%0J/kg5.2°C24135m2m/s
16:000%60%0J/kg4.8°C24134m2.1m/s
17:000%23%0J/kg4.4°C24134m1.4m/s
18:000%25%0J/kg4.2°C24135m2m/s
19:000%66%0J/kg4.3°C24135m4.1m/s
20:000%31%0J/kg4.6°C24134m5.7m/s
21:000%59%0J/kg4.9°C24135m7.8m/s
22:000%33%0J/kg4.5°C24135m8.6m/s
23:000%46%0J/kg3.9°C24135m7.4m/s
Fri, Jul 10
24:000%14%0J/kg3.5°C24135m6.7m/s
01:000%15%0J/kg4°C24135m5.3m/s
02:000%15%0J/kg4°C24135m5.3m/s
03:000%9.4%0J/kg3.8°C24135m4.5m/s
04:000%20%0J/kg4.2°C24134m4.4m/s
05:000%19%0J/kg3.5°C24135m4.4m/s
06:000%16%0J/kg3°C24134m3.9m/s
07:000%14%0J/kg2.6°C24135m3.8m/s
08:000%14%0J/kg1.7°C24134m5m/s
09:000%13%0J/kg1.2°C24134m6.1m/s
10:000%20%0J/kg0.8°C24135m7.5m/s
11:000%26%6J/kg0.3°C24134m8.2m/s
12:0013%28%24J/kg-0.2°C24134m8.2m/s
13:0015%18%20J/kg-0.1°C24134m8.4m/s
14:000%13%4J/kg0.6°C24135m7.7m/s
15:000%14%1J/kg0.5°C24134m7.9m/s
16:000%17%5J/kg0.4°C24134m7.5m/s
17:000%48%7J/kg0.2°C24135m7.8m/s
18:000%48%8J/kg0.1°C24135m7.7m/s
19:0015%14%17J/kg-0.1°C24135m7.1m/s
20:0010%5.2%28J/kg-0.15°C24135m6.9m/s
21:0010%1.3%39J/kg-0.19°C24135m6.8m/s
22:0010%0%50J/kg-0.24°C24135m6.6m/s
23:000%2.6%40J/kg0.22°C24135m7.9m/s
Sat, Jul 11
24:000%0%29J/kg0.69°C24135m9.2m/s
01:000%0%19J/kg1.2°C24135m11m/s
02:000%0%13J/kg1.1°C24135m11m/s
03:000%0%7.7J/kg0.99°C24135m12m/s
04:000%5.2%2J/kg0.91°C24135m12m/s
05:000%5.2%8.3J/kg0.57°C24135m12m/s
06:000%5.2%15J/kg0.23°C24135m12m/s
07:0015%5.2%21J/kg-0.11°C24135m12m/s
08:000%2.6%21J/kg0.05°C24135m10m/s
09:000%2.3%20J/kg0.2°C24135m8.3m/s
10:000%2.3%20J/kg0.35°C24135m6.6m/s
11:000%0%31J/kg0.04°C24135m5.8m/s
12:008%0%43J/kg-0.27°C24135m5m/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 05:21 Sunset 21:30
14:00
1018hPa 0J/kg 0fraction 0% 7.9°C 0% 0% 0% 0mm 68% 0mm -20dBZ 62° 0% 0mm - - 5m/s
15:00
1018hPa 0J/kg 0fraction 4% 7.8°C 0% 0% 0% 0mm 68% 0mm -20dBZ 57° 4% 0mm - - 5.2m/s
16:00
1018hPa 0J/kg 0fraction 4% 7.6°C 0% 0% 0% 0mm 62% 0mm -20dBZ 49° 4% 0mm 3.8m/s 6.3m/s 6m/s
17:00
1018hPa 0J/kg 0fraction 4% 7.6°C 0% 0% 0% 0mm 62% 0mm -20dBZ 40° 4% 0mm - - 6.3m/s
18:00
1018hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 61% 0mm -20dBZ 31° 0% 0mm - - 6.1m/s
19:00
1018hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 63% 0mm -20dBZ 21° 0% 0mm 6m/s 8.9m/s 5.8m/s
20:00
1017hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 68% 0mm -20dBZ 12° 0% 0mm - - 5.1m/s
21:00
1017hPa 0J/kg 0fraction 0% 8°C 0% 0% 0% 0mm 80% 0mm -20dBZ 3.4° 0% 0mm - - 4.1m/s
22:00
1018hPa 0J/kg 0fraction 1% 8°C 0% 0% 0% 0mm 86% 0mm -20dBZ -4.4° 1% 0mm 6.4m/s 8m/s 4.3m/s
23:00
1017hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 86% 0mm -20dBZ -11° 0% 0mm - - 4.5m/s
Thu, Jul 9 Sunrise 05:21 Sunset 21:30
24:00
1017hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 86% 0mm -20dBZ -15° 0% 0mm - - 4.4m/s
01:00
1017hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 87% 0mm -20dBZ -17° 0% 0mm 7.3m/s 7.4m/s 4.7m/s
02:00
1017hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 87% 0mm -20dBZ -17° 0% 0mm - - 4.5m/s
03:00
1017hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 86% 0mm -20dBZ -15° 0% 0mm - - 4.6m/s
04:00
1017hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 86% 0mm -20dBZ -10° 0% 0mm 8.4m/s 7.2m/s 4.6m/s
05:00
1016hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 86% 0mm -20dBZ -3.5° 0% 0mm - - 4.5m/s
06:00
1016hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 84% 0mm -20dBZ 4.4° 0% 0mm - - 4.4m/s
07:00
1016hPa 0J/kg 0fraction 0% 7.7°C 0% 0% 0% 0mm 78% 0mm -20dBZ 13° 0% 0mm 7.9m/s 7.2m/s 3.9m/s
08:00
1016hPa 0J/kg 0fraction 0% 7.8°C 0% 0% 0% 0mm 68% 0mm -20dBZ 22° 0% 0mm - - 3.2m/s
09:00
1016hPa 0J/kg 0fraction 0% 8°C 0% 0% 0% 0mm 60% 0mm -20dBZ 32° 0% 0mm - - 2m/s
10:00
1016hPa 0J/kg 0fraction 0% 7.9°C 0% 0% 0% 0mm 57% 0mm -20dBZ 41° 0% 0mm 6.6m/s 6.1m/s 1.2m/s
11:00
1016hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 56% 0mm -20dBZ 50° 0% 0mm - - 2m/s
12:00
1016hPa 0J/kg 0fraction 0% 7.2°C 0% 0% 0% 0mm 62% 0mm -20dBZ 58° 0% 0mm - - 2.7m/s
13:00
1016hPa 0J/kg 0fraction 4% 6.4°C 0% 0% 0% 0mm 66% 0mm -20dBZ 62° 4% 0mm 6.4m/s 7m/s 2.3m/s
14:00
1015hPa 0J/kg 0fraction 5% 5.7°C 0% 0% 0% 0mm 66% 0mm -20dBZ 62° 5% 0mm - - 2.1m/s
15:00
1015hPa 0J/kg 0fraction 5% 5.2°C 0% 0% 0% 0mm 61% 0mm -20dBZ 57° 5% 0mm - - 1.7m/s
16:00
1015hPa 0J/kg 0fraction 45% 4.8°C 0% 0% 0% 0mm 56% 0mm -20dBZ 49° 45% 0mm 8.1m/s 8.3m/s 0.91m/s
17:00
1014hPa 0J/kg 0fraction 100% 4.4°C 0% 0% 0% 0mm 56% 0mm -20dBZ 40° 100% 0mm - - 0.76m/s
18:00
1014hPa 0J/kg 0fraction 91% 4.2°C 0% 0% 0% 0mm 53% 0mm -20dBZ 31° 91% 0mm - - 2.1m/s
19:00
1013hPa 0J/kg 0fraction 41% 4.3°C 0% 0% 0% 0mm 48% 0mm -20dBZ 21° 41% 0mm 7.6m/s 7.3m/s 3.9m/s
20:00
1014hPa 0J/kg 0fraction 9% 4.6°C 0% 0% 0% 0mm 51% 0mm -20dBZ 12° 9% 0mm - - 5.1m/s
21:00
1013hPa 0J/kg 0fraction 17% 4.9°C 0% 0% 0% 0mm 61% 0mm -20dBZ 3.3° 17% 0mm - - 5.3m/s
22:00
1013hPa 0J/kg 0fraction 6% 4.5°C 0% 0% 0% 0mm 63% 0mm -20dBZ -4.5° 6% 0mm 8.8m/s 6.8m/s 5.6m/s
23:00
1013hPa 0J/kg 0fraction 11% 3.9°C 0% 0% 0% 0mm 63% 0mm -20dBZ -11° 11% 0mm - - 5.4m/s
Fri, Jul 10 Sunrise 05:22 Sunset 21:29
24:00
1013hPa 0J/kg 0fraction 16% 3.5°C 0% 0% 0% 0mm 62% 0mm -20dBZ -15° 16% 0mm - - 4.9m/s
01:00
1013hPa 0J/kg 0fraction 17% 4°C 0% 0% 0% 0mm 58% 0mm -20dBZ -17° 17% 0mm 8.9m/s 6.3m/s 4.6m/s
02:00
1013hPa 0J/kg 0fraction 84% 4°C 0% 0% 0% 0mm 56% 0mm -20dBZ -17° 84% 0mm - - 4.6m/s
03:00
1013hPa 0J/kg 0fraction 6% 3.8°C 0% 0% 0% 0mm 57% 0mm -20dBZ -15° 6% 0mm - - 4.2m/s
04:00
1012hPa 0J/kg 0fraction 0% 4.2°C 0% 0% 0% 0mm 58% 0mm -20dBZ -10° 0% 0mm 11m/s 8.2m/s 4.3m/s
05:00
1012hPa 0J/kg 0fraction 1% 3.5°C 0% 0% 0% 0mm 59% 0mm -20dBZ -3.6° 1% 0mm - - 4.4m/s
06:00
1012hPa 0J/kg 0fraction 4% 3°C 0% 0% 0% 0mm 59% 0mm -20dBZ 4.3° 4% 0mm - - 4m/s
07:00
1012hPa 0J/kg 0fraction 1% 2.6°C 0% 0% 0% 0mm 57% 0mm -20dBZ 13° 1% 0mm 9.2m/s 5.5m/s 3.4m/s
08:00
1012hPa 0J/kg 0fraction 1% 1.7°C 0% 0% 0% 0mm 53% 0mm -20dBZ 22° 1% 0mm - - 4.2m/s
09:00
1012hPa 0J/kg 0fraction 5% 1.2°C 0% 0% 0% 0mm 53% 0mm -20dBZ 32° 5% 0mm - - 5.3m/s
10:00
1012hPa 0J/kg 0fraction 5% 0.8°C 0% 0% 0% 0mm 57% 0mm -20dBZ 41° 5% 0mm 9m/s 7.2m/s 6m/s
11:00
1013hPa 6J/kg 0fraction 5% 0.3°C 0% 0% 0% 0mm 60% 0mm -20dBZ 50° 5% 0mm - - 6.3m/s
12:00
1013hPa 24J/kg 0fraction 5% -0.2°C 0% 0% 0% 0mm 61% 0mm -20dBZ 57° 5% 0mm - - 6.4m/s
13:00
1013hPa 20J/kg 0fraction 0% -0.1°C 0% 0% 0% 0mm 64% 0mm -20dBZ 62° 0% 0mm 7.9m/s 8.6m/s 6.8m/s
14:00
1013hPa 4J/kg 0fraction 0% 0.6°C 0% 4% 0% 0mm 64% 0mm -20dBZ 61° 4% 0mm - - 6.2m/s
15:00
1013hPa 1J/kg 0fraction 4% 0.5°C 0% 5% 0% 0mm 64% 0mm -20dBZ 57° 5% 0mm - - 6.2m/s
16:00
1013hPa 5J/kg 0fraction 5% 0.4°C 0% 5% 0% 0mm 64% 0mm -20dBZ 49° 5% 0mm 9m/s 7.7m/s 6.3m/s
17:00
1013hPa 7J/kg 0fraction 4% 0.2°C 0% 38% 0% 0mm 62% 0mm -20dBZ 40° 38% 0mm - - 6.3m/s
18:00
1012hPa 8J/kg 0fraction 4% 0.1°C 0% 43% 0% 0mm 62% 0mm -20dBZ 31° 43% 0mm - - 6.1m/s
19:00
1013hPa 17J/kg 0fraction 0% -0.1°C 0% 8% 0% 0mm 62% 0mm -20dBZ 21° 8% 0mm 10m/s 8.5m/s 5.5m/s
20:00
1014hPa 28J/kg 0fraction 0% -0.15°C 0% 5% 0% 0mm 68% 0mm -20dBZ 12° 5% 0mm - - 5.3m/s
21:00
1015hPa 39J/kg 0fraction 0% -0.19°C 0% 3% 0% 0mm 74% 0mm -20dBZ 3.2° 3% 0mm - - 5.1m/s
22:00
1016hPa 50J/kg 0fraction 0% -0.24°C 0% 0% 0% 0mm 80% 0mm -20dBZ -4.6° 0% 0mm 7.2m/s 7.3m/s 4.8m/s
23:00
1016hPa 40J/kg 0fraction 0% 0.22°C 0% 0% 0% 0mm 80% 0mm -20dBZ -11° 0% 0mm - - 5.4m/s
Sat, Jul 11 Sunrise 05:23 Sunset 21:28
24:00
1016hPa 29J/kg 0fraction 0% 0.69°C 0% 0% 0% 0mm 79% 0mm -20dBZ -15° 0% 0mm - - 5.9m/s
01:00
1016hPa 19J/kg 0fraction 0% 1.2°C 0% 0% 0% 0mm 78% 0mm -20dBZ -18° 0% 0mm 5.4m/s 8.5m/s 6.5m/s
02:00
1017hPa 13J/kg 0fraction 0% 1.1°C 0% 0% 0% 0mm 78% 0mm -20dBZ -17° 0% 0mm - - 6.9m/s
03:00
1017hPa 7.7J/kg 0fraction 0% 0.99°C 0% 0% 0% 0mm 78% 0mm -20dBZ -15° 0% 0mm - - 7.3m/s
04:00
1018hPa 2J/kg 0fraction 0% 0.91°C 0% 0% 0% 0mm 78% 0mm -20dBZ -10° 0% 0mm 5.3m/s 7.9m/s 7.7m/s
05:00
1018hPa 8.3J/kg 0fraction 0% 0.57°C 0% 0% 0% 0mm 78% 0mm -20dBZ -3.7° 0% 0mm - - 7.4m/s
06:00
1018hPa 15J/kg 0fraction 0% 0.23°C 0% 0% 0% 0mm 78% 0mm -20dBZ 4.1° 0% 0mm - - 7.1m/s
07:00
1019hPa 21J/kg 0fraction 0% -0.11°C 0% 0% 0% 0mm 78% 0mm -20dBZ 13° 0% 0mm 8.9m/s 6.7m/s 6.7m/s
08:00
1018hPa 21J/kg 0fraction 0% 0.05°C 0% 0% 0% 0mm 77% 0mm -20dBZ 22° 0% 0mm - - 5.8m/s
09:00
1018hPa 20J/kg 0fraction 0% 0.2°C 0% 0% 0% 0mm 77% 0mm -20dBZ 32° 0% 0mm - - 4.9m/s
10:00
1018hPa 20J/kg 0fraction 0% 0.35°C 0% 0% 0% 0mm 76% 0mm -20dBZ 41° 0% 0mm 7.8m/s 7m/s 4m/s
11:00
1018hPa 31J/kg 0fraction 0% 0.04°C 0% 0% 0% 0mm 75% 0mm -20dBZ 50° 0% 0mm - - 3.9m/s
12:00
1018hPa 43J/kg 0fraction 0% -0.27°C 0% 0% 0% 0mm 74% 0mm -20dBZ 57° 0% 0mm - - 3.7m/s
13:00
1018hPa 54J/kg 0fraction 0% -0.58°C 0% 0% 0% 0mm 72% 0mm -20dBZ 62° 0% 0mm 8.4m/s 11m/s 3.5m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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