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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 72% failing

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts19.4m/s
Precipitation Chance90%
Air Pressure1001.7hPa
CAPE18
Lifted Index10.6°C
Wind Gusts19.4m/s
Precipitation0.1mm

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
Thu, Mar 12
01:000%4.4%35J/kg8°C24134m14m/s
02:000%6%27J/kg8.1°C24135m14m/s
03:0015%8.2%22J/kg7.6°C24134m16m/s
04:000%5.8%22J/kg7.6°C24135m17m/s
05:000%3.7%12J/kg7.8°C24134m17m/s
06:0017%71%1J/kg7.2°C24135m17m/s
07:000%56%1J/kg4.6°C24134m18m/s
08:000%45%23J/kg3.4°C24134m20m/s
09:000%66%8J/kg4°C24134m20m/s
10:000%56%4J/kg3.5°C24134m21m/s
11:000%62%10J/kg3.5°C23777m22m/s
12:000%62%0J/kg3.3°C24135m22m/s
13:000%62%22J/kg1.8°C22497m22m/s
14:000%62%7J/kg2.4°C24134m22m/s
15:000%62%19J/kg1.8°C24135m21m/s
16:0017%69%3J/kg2.4°C24134m21m/s
17:0017%69%0J/kg2.6°C24135m21m/s
18:0020%78%21J/kg1°C19027m23m/s
19:0018%67%26J/kg0.8°C16882m24m/s
20:0032%0%13J/kg0.8°C8051m24m/s
21:0040%0%79J/kg3°C11619m22m/s
22:0033%0%41J/kg4.4°C14186m22m/s
23:0034%0.6%59J/kg6.2°C8826m19m/s
Fri, Mar 13
24:0045%0%22J/kg9.2°C24135m22m/s
01:0016%0%18J/kg11°C24135m19m/s
02:0015%0%38J/kg12°C17428m16m/s
03:0035%0.1%26J/kg13°C24134m18m/s
04:0015%0%14J/kg13°C24135m16m/s
05:0016%0%22J/kg14°C24135m16m/s
06:0027%61%23J/kg14°C22407m15m/s
07:0013%71%23J/kg14°C17478m15m/s
08:0015%66%25J/kg13°C24134m14m/s
09:0025%77%23J/kg12°C23388m13m/s
10:0014%57%24J/kg11°C15585m13m/s
11:0014%54%19J/kg10°C22503m13m/s
12:0033%48%25J/kg8.4°C11294m13m/s
13:0015%52%28J/kg5.8°C16068m14m/s
14:0015%58%37J/kg3.6°C24135m14m/s
15:0024%63%59J/kg0.7°C24021m13m/s
16:0013%45%90J/kg0.3°C21928m13m/s
17:0013%51%140J/kg0.9°C19970m12m/s
18:0023%72%71J/kg0.1°C19188m14m/s
19:0016%62%91J/kg0°C6668m12m/s
20:0029%4.4%43J/kg-0.2°C6361m15m/s
21:0033%8.9%40J/kg-0.4°C12651m16m/s
22:0027%15%70J/kg-0.6°C24134m12m/s
23:0027%15%40J/kg-0.5°C24134m11m/s
Sat, Mar 14
24:0029%12%49J/kg-0.4°C24135m12m/s
01:0013%9.3%47J/kg-0.6°C24135m12m/s
02:000%3.3%30J/kg-0.2°C24135m11m/s
03:000%6%35J/kg-0.6°C24135m11m/s
04:000%5.6%19J/kg0.5°C24134m10m/s
05:000%11%5J/kg1.8°C24134m11m/s
06:000%26%6J/kg2.6°C24135m11m/s
07:000%30%8J/kg2.8°C24134m11m/s
08:000%44%6J/kg3.6°C24135m10m/s
09:000%62%21J/kg3.7°C24135m9.1m/s
10:000%34%17J/kg4.1°C24134m8.3m/s
11:000%62%12J/kg4.7°C24135m7.7m/s
12:000%35%5J/kg6.4°C24134m6.8m/s
13:000%65%3J/kg9.1°C24135m6.4m/s
14:000%71%0J/kg12°C24135m6.2m/s
15:000%63%8J/kg14°C24135m6m/s
16:000%58%25J/kg14°C20796m6.6m/s
17:000%57%1J/kg15°C24135m8m/s
18:000%52%2J/kg15°C24134m8m/s
19:000%26%20J/kg14°C24134m8.3m/s
20:000%5.3%21J/kg14°C24135m9.2m/s
21:000%9%9J/kg14°C24135m9.3m/s
22:000%15%3J/kg14°C24134m9.2m/s
23:000%15%10J/kg13°C24135m8.9m/s
Sun, Mar 15
24:0019%8%34J/kg12°C18962m9.7m/s
01:000%2.9%19J/kg12°C24135m8.8m/s
02:000%0.2%24J/kg11°C23869m9m/s
03:000%0.1%25J/kg10°C17498m9.2m/s
04:000%0%19J/kg9.5°C23977m10m/s
05:000%0.1%14J/kg8.6°C23800m9.6m/s
06:0032%20%2J/kg7.6°C24135m10m/s
07:000%57%4J/kg8.2°C24135m12m/s
08:000%53%6J/kg8.8°C24135m13m/s
09:0018%18%8J/kg9.5°C24135m14m/s
10:000%18%8J/kg10°C24135m15m/s
11:000%17%8J/kg10°C24135m15m/s
12:000%17%8J/kg11°C24135m16m/s
13:000%76%9J/kg11°C24135m15m/s
14:000%57%10J/kg11°C24135m14m/s
15:0017%26%11J/kg11°C24135m13m/s
16:000%51%10J/kg12°C24135m13m/s
17:000%53%9J/kg13°C24135m13m/s
18:0015%57%8J/kg13°C24135m12m/s
19:000%52%9.3J/kg13°C24135m12m/s
20:000%0%11J/kg13°C24135m11m/s
21:000%0%12J/kg13°C24135m11m/s
22:000%0%12J/kg13°C24135m10m/s
23:000%0%11J/kg13°C24135m10m/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
Fri, Mar 13 Sunrise 06:39 Sunset 18:22
01:00
1002hPa 18J/kg 100% 11°C 99% 100% 90% 0mm 78% 0.04mm 12dBZ -43° 100% 0.06mm - - 13m/s
02:00
1002hPa 38J/kg 100% 12°C 100% 100% 89% 0.07mm 88% 0.21mm 6.6dBZ -39° 100% 0.25mm - - 13m/s
03:00
1002hPa 26J/kg 100% 13°C 100% 100% 87% 0.01mm 80% 0.14mm 1.6dBZ -33° 100% 0.38mm 23m/s 28m/s 13m/s
04:00
1002hPa 14J/kg 100% 13°C 52% 100% 91% 0mm 73% 0.03mm 3.2dBZ -26° 100% 0.5mm - - 12m/s
05:00
1002hPa 22J/kg 100% 14°C 99% 100% 95% 0mm 68% 0.07mm 4.8dBZ -17° 100% 0.5mm - - 13m/s
06:00
1002hPa 23J/kg 100% 14°C 100% 100% 99% 0mm 72% 0.1mm 6.4dBZ -7.1° 100% 0.63mm 9.8m/s 21m/s 12m/s
07:00
1002hPa 23J/kg 100% 14°C 97% 100% 97% 0mm 67% 0.08mm 9.3dBZ 2.8° 100% 0.06mm - - 11m/s
08:00
1002hPa 25J/kg 84% 13°C 98% 100% 94% 0mm 66% 0.11mm 12dBZ 12° 100% 0.19mm - - 10m/s
09:00
1002hPa 23J/kg 53% 12°C 98% 100% 91% 0mm 67% 0.17mm 15dBZ 21° 100% 0.38mm 5.9m/s 17m/s 11m/s
10:00
1002hPa 24J/kg 100% 11°C 96% 100% 93% 0mm 65% 0.31mm 15dBZ 28° 100% 0.56mm - - 11m/s
11:00
1002hPa 19J/kg 1% 10°C 100% 100% 96% 0mm 68% 0.23mm 15dBZ 34° 100% 0.81mm - - 11m/s
12:00
1001hPa 25J/kg 0% 8.4°C 100% 100% 98% 0mm 65% 0.36mm 15dBZ 37° 100% 1.1mm 8.8m/s 26m/s 11m/s
13:00
1001hPa 28J/kg 0% 5.8°C 99% 100% 90% 0mm 62% 0.31mm 5.7dBZ 37° 100% 0.31mm - - 11m/s
14:00
1000hPa 37J/kg 0% 3.6°C 55% 100% 82% 0mm 59% 0.05mm -3.8dBZ 34° 100% 0.38mm - - 11m/s
15:00
1000hPa 59J/kg 0% 0.7°C 65% 99% 74% 0mm 62% 0.09mm -13dBZ 28° 99% 0.44mm 5m/s 12m/s 12m/s
16:00
1000hPa 90J/kg 0% 0.3°C 94% 6% 79% 0mm 63% 0.14mm -3.9dBZ 21° 94% 0.56mm - - 11m/s
17:00
999hPa 140J/kg 0% 0.9°C 81% 7% 85% 0mm 60% 0.34mm 5.5dBZ 12° 81% 0.75mm - - 10m/s
18:00
999hPa 71J/kg 0% 0.1°C 81% 98% 90% 0.01mm 64% 0.32mm 15dBZ 98% 1.3mm 3m/s 0.39m/s 12m/s
19:00
1000hPa 91J/kg 0% 0°C 100% 100% 72% 0.84mm 88% 0.4mm 18dBZ -6.8° 100% 0.5mm - - 10m/s
20:00
1000hPa 43J/kg 0% -0.2°C 100% 100% 55% 0.03mm 74% 0.26mm 21dBZ -16° 100% 2.1mm - - 11m/s
21:00
1000hPa 40J/kg 0% -0.4°C 100% 14% 37% 0.05mm 90% 0.14mm 24dBZ -25° 100% 2.4mm 7.9m/s 18m/s 13m/s
22:00
1000hPa 70J/kg 0% -0.6°C 95% 8% 42% 0mm 74% 0.08mm 20dBZ -33° 95% 2.6mm - - 9.1m/s
23:00
1000hPa 40J/kg 0% -0.5°C 6% 0% 47% 0mm 76% 0mm 15dBZ -39° 6% 2.6mm - - 9.1m/s
Sat, Mar 14 Sunrise 06:37 Sunset 18:23
24:00
1001hPa 49J/kg 0% -0.4°C 5% 0% 52% 0mm 79% 0.01mm 11dBZ -42° 5% 2.6mm 3.9m/s 3.8m/s 8.4m/s
01:00
1002hPa 47J/kg 0% -0.6°C 5% 0% 46% 0mm 76% 0mm 6.4dBZ -42° 5% 0mm - - 8.2m/s
02:00
1003hPa 30J/kg 0% -0.2°C 5% 0% 40% 0mm 72% 0.01mm 2dBZ -39° 5% 0mm - - 7.8m/s
03:00
1004hPa 35J/kg 0% -0.6°C 5% 5% 34% 0mm 71% 0.02mm -2.5dBZ -33° 5% 0mm 1.5m/s 4.7m/s 7.2m/s
04:00
1004hPa 19J/kg 0% 0.5°C 5% 5% 47% 0mm 70% 0mm -8.3dBZ -25° 5% 0mm - - 7.5m/s
05:00
1005hPa 5J/kg 0% 1.8°C 5% 5% 59% 0mm 68% 0mm -14dBZ -16° 5% 0mm - - 8.2m/s
06:00
1006hPa 6J/kg 0% 2.6°C 5% 5% 72% 0mm 68% 0mm -20dBZ -6.7° 5% 0mm 3.7m/s 9.6m/s 8.1m/s
07:00
1006hPa 8J/kg 0% 2.8°C 5% 5% 71% 0mm 69% 0mm -20dBZ 3.1° 5% 0mm - - 7.8m/s
08:00
1007hPa 6J/kg 6% 3.6°C 5% 5% 70% 0mm 68% 0mm -20dBZ 12° 6% 0mm - - 7.8m/s
09:00
1008hPa 21J/kg 99% 3.7°C 5% 62% 69% 0mm 66% 0mm -20dBZ 21° 99% 0mm 3.4m/s 9.9m/s 7.5m/s
10:00
1008hPa 17J/kg 5% 4.1°C 5% 5% 74% 0mm 63% 0mm -17dBZ 28° 5% 0mm - - 7.2m/s
11:00
1009hPa 12J/kg 0% 4.7°C 0% 44% 79% 0mm 60% 0mm -15dBZ 34° 44% 0mm - - 6.8m/s
12:00
1009hPa 5J/kg 1% 6.4°C 0% 7% 84% 0mm 59% 0mm -12dBZ 37° 7% 0mm 2.4m/s 18m/s 6.3m/s
13:00
1010hPa 3J/kg 4% 9.1°C 0% 66% 68% 0mm 58% 0mm -12dBZ 37° 66% 0mm - - 6.2m/s
14:00
1010hPa 0J/kg 5% 12°C 5% 43% 53% 0mm 58% 0mm -13dBZ 34° 43% 0mm - - 5.8m/s
15:00
1010hPa 8J/kg 5% 14°C 16% 87% 38% 0mm 59% 0.03mm -13dBZ 29° 87% 0mm 1.1m/s 37m/s 5.4m/s
16:00
1010hPa 25J/kg 94% 14°C 94% 100% 46% 0mm 62% 0.19mm -2dBZ 21° 100% 0.13mm - - 5.7m/s
17:00
1010hPa 1J/kg 100% 15°C 98% 100% 54% 0mm 61% 0mm 8.8dBZ 12° 100% 0.25mm - - 6.8m/s
18:00
1010hPa 2J/kg 0% 15°C 72% 100% 62% 0mm 64% 0mm 20dBZ 3.3° 100% 0.25mm 1.2m/s 35m/s 6.2m/s
19:00
1011hPa 20J/kg 0% 14°C 6% 96% 49% 0mm 68% 0mm 6.5dBZ -6.5° 96% 0mm - - 6.6m/s
20:00
1011hPa 21J/kg 0% 14°C 97% 15% 37% 0mm 71% 0.05mm -6.8dBZ -16° 97% 0.06mm - - 6.8m/s
21:00
1012hPa 9J/kg 0% 14°C 99% 6% 24% 0mm 66% 0.01mm -20dBZ -25° 99% 0.06mm 3.9m/s 36m/s 7.4m/s
22:00
1012hPa 3J/kg 0% 14°C 98% 5% 35% 0mm 66% 0mm -20dBZ -33° 98% 0.06mm - - 7.6m/s
23:00
1011hPa 10J/kg 0% 13°C 86% 13% 45% 0mm 70% 0.04mm -20dBZ -39° 86% 0.06mm - - 7.2m/s
Sun, Mar 15 Sunrise 06:35 Sunset 18:25
24:00
1011hPa 34J/kg 54% 12°C 95% 6% 56% 0mm 78% 0.24mm -20dBZ -42° 95% 0.25mm 13m/s 30m/s 8.4m/s
01:00
1011hPa 19J/kg 56% 12°C 100% 100% 52% 0mm 79% 0.09mm -14dBZ -42° 100% 0.13mm - - 6.9m/s
02:00
1011hPa 24J/kg 5% 11°C 100% 61% 47% 0.02mm 79% 0.15mm -8.5dBZ -38° 100% 0.31mm - - 7.9m/s
03:00
1011hPa 25J/kg 38% 10°C 100% 100% 43% 0.2mm 84% 0.14mm -2.8dBZ -33° 100% 0.63mm 20m/s 22m/s 7m/s
04:00
1011hPa 19J/kg 5% 9.5°C 100% 100% 50% 0.05mm 83% 0.11mm 3.1dBZ -25° 100% 0.81mm - - 8.1m/s
05:00
1011hPa 14J/kg 5% 8.6°C 100% 38% 57% 0.08mm 84% 0.08mm 9dBZ -16° 100% 0.94mm - - 7.9m/s
06:00
1011hPa 2J/kg 0% 7.6°C 100% 4% 64% 0.07mm 86% 0.03mm 15dBZ -6.4° 100% 1.1mm 18m/s 26m/s 8.1m/s
07:00
1012hPa 4J/kg 1% 8.2°C 68% 2% 56% 0.05mm 82% 0.02mm 15dBZ 3.4° 68% 0.77mm - - 8.9m/s
08:00
1013hPa 6J/kg 1% 8.8°C 37% 1% 47% 0.02mm 78% 0.01mm 15dBZ 13° 37% 0.42mm - - 9.7m/s
09:00
1014hPa 8J/kg 2% 9.5°C 5% 0% 39% 0mm 74% 0mm 15dBZ 21° 5% 0.06mm 13m/s 18m/s 10m/s
10:00
1014hPa 8J/kg 1% 10°C 5% 0% 45% 0mm 73% 0mm 3.6dBZ 29° 5% 0.06mm - - 11m/s
11:00
1015hPa 8J/kg 1% 10°C 5% 0% 50% 0mm 71% 0mm -8.2dBZ 34° 5% 0.06mm - - 11m/s
12:00
1016hPa 8J/kg 0% 11°C 5% 0% 56% 0mm 69% 0mm -20dBZ 38° 5% 0.06mm 6.4m/s 8.6m/s 11m/s
13:00
1017hPa 9J/kg 34% 11°C 28% 2% 37% 0.003mm 68% 0mm -20dBZ 38° 37% 0.04mm - - 11m/s
14:00
1017hPa 10J/kg 67% 11°C 51% 4% 19% 0.007mm 67% 0mm -20dBZ 35° 68% 0.02mm - - 10m/s
15:00
1018hPa 11J/kg 100% 11°C 73% 6% 0% 0.01mm 66% 0mm -20dBZ 29° 100% 0mm 11m/s 20m/s 9.8m/s
16:00
1018hPa 10J/kg 100% 12°C 70% 36% 13% 0.01mm 66% 0.003mm -20dBZ 21° 100% 0.02mm - - 9.4m/s
17:00
1018hPa 9J/kg 100% 13°C 68% 66% 26% 0.01mm 66% 0.007mm -20dBZ 13° 100% 0.04mm - - 9.1m/s
18:00
1018hPa 8J/kg 100% 13°C 65% 96% 39% 0.01mm 66% 0.01mm -20dBZ 3.5° 100% 0.06mm 8.7m/s 21m/s 8.7m/s
19:00
1018hPa 9.3J/kg 94% 13°C 45% 66% 31% 0.007mm 67% 0.007mm -15dBZ -6.3° 94% 0.06mm - - 8.2m/s
20:00
1018hPa 11J/kg 88% 13°C 25% 35% 22% 0.003mm 69% 0.003mm -11dBZ -16° 88% 0.06mm - - 7.8m/s
21:00
1018hPa 12J/kg 83% 13°C 6% 5% 14% 0mm 70% 0mm -6dBZ -25° 83% 0.06mm 12m/s 18m/s 7.3m/s
22:00
1018hPa 12J/kg 88% 13°C 22% 6% 22% 0.003mm 72% 0mm -6.6dBZ -32° 88% 0.08mm - - 7.5m/s
23:00
1018hPa 11J/kg 94% 13°C 39% 6% 31% 0.007mm 73% 0mm -7.2dBZ -38° 94% 0.1mm - - 7.8m/s
Mon, Mar 16 Sunrise 06:32 Sunset 18:27
24:00
1018hPa 11J/kg 100% 13°C 56% 7% 39% 0.01mm 74% 0mm -7.8dBZ -41° 100% 0.13mm 11m/s 20m/s 8.1m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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