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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 94% failing

Currently

Real-time conditions
Cloud Cover4%
Wind Gusts2.7m/s
Precipitation Chance0%
Air Pressure1016.9hPa
CAPE0
Lifted Index9.6°C
Wind Gusts2.7m/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%14%0J/kg11°C24134m1.5m/s
07:000%8.6%0J/kg11°C24135m1.4m/s
08:000%14%0J/kg10°C24134m1m/s
09:000%8.5%0J/kg10°C24135m1.2m/s
10:000%6.7%0J/kg9.7°C24134m1.5m/s
11:000%1.3%0J/kg9.6°C24134m1.4m/s
12:000%0.9%0J/kg9.5°C24134m1.5m/s
13:000%1%0J/kg9.6°C24134m1.9m/s
14:000%1%0J/kg9.6°C24134m2.7m/s
15:000%1%0J/kg9.4°C24135m3.4m/s
16:000%1%0J/kg9.1°C24135m3.7m/s
17:000%0.7%0J/kg8.4°C24135m4.1m/s
18:000%0.8%0J/kg7.6°C24135m4.3m/s
19:000%0.6%0J/kg7.3°C24134m4m/s
20:000%0.8%0J/kg7.2°C24134m3.9m/s
21:000%0.6%0J/kg7.3°C24134m3.1m/s
22:000%0.4%0J/kg7.5°C24135m2m/s
23:000%5.7%0J/kg7.6°C24134m2.3m/s
Thu, Jul 9
24:000%0.8%0J/kg7.5°C24134m2.6m/s
01:000%1%0J/kg7.4°C24135m3m/s
02:000%1%0J/kg7.3°C24135m2.4m/s
03:000%0.8%0J/kg7.3°C24135m2.4m/s
04:000%0.6%0J/kg7.4°C24134m2.5m/s
05:000%0.6%0J/kg7.4°C24134m2.5m/s
06:000%0.6%0J/kg7.4°C24134m2.2m/s
07:000%2.1%0J/kg7.5°C24135m2.4m/s
08:000%1.8%0J/kg7.5°C24135m2.6m/s
09:000%1.7%0J/kg7.5°C24134m2.8m/s
10:000%1.9%0J/kg7.4°C24135m2.9m/s
11:000%3.9%0J/kg7.2°C24134m3.1m/s
12:000%8.2%0J/kg7°C24135m3.3m/s
13:000%5.2%0J/kg6.8°C24135m4.3m/s
14:000%12%0J/kg6.5°C24134m4.9m/s
15:000%13%0J/kg6.2°C24135m5.2m/s
16:000%25%0J/kg6.3°C24135m5.5m/s
17:000%60%0J/kg6.2°C24134m5.6m/s
18:000%23%0J/kg5.8°C24135m5.4m/s
19:000%27%0J/kg5.6°C24135m5.3m/s
20:000%37%0J/kg5.4°C24134m4.5m/s
21:000%61%0J/kg5°C24135m3.3m/s
22:000%66%0J/kg4.5°C24135m2.9m/s
23:000%69%0J/kg4.4°C24135m2.7m/s
Fri, Jul 10
24:000%9.2%0J/kg4.1°C24135m3.1m/s
01:000%12%0J/kg4.3°C24135m3.4m/s
02:000%15%0J/kg4.2°C24135m4.5m/s
03:000%9.9%0J/kg4°C24135m4m/s
04:000%18%0J/kg4.5°C24134m2.5m/s
05:000%18%0J/kg4.6°C24135m1.7m/s
06:000%21%0J/kg4.2°C24134m1.4m/s
07:000%20%0J/kg3.9°C24135m1.4m/s
08:000%19%0J/kg3.9°C24134m1.8m/s
09:000%18%0J/kg3.7°C24134m2.4m/s
10:000%17%0J/kg2.7°C24135m2.8m/s
11:000%17%0J/kg1.8°C24134m3.2m/s
12:000%15%0J/kg1.1°C24134m3.4m/s
13:000%11%20J/kg0.5°C24134m3.6m/s
14:000%9.7%14J/kg0.2°C24135m3.5m/s
15:008%4.3%28J/kg-0.2°C24134m3.3m/s
16:009%7.8%58J/kg-0.4°C24134m3.8m/s
17:0010%5.9%110J/kg-0.9°C24135m4.2m/s
18:0010%15%159J/kg-1.3°C24135m4.4m/s
19:0011%30%175J/kg-1.3°C24135m4.5m/s
20:008%6.5%127J/kg-0.91°C24135m3.4m/s
21:008%6.5%79J/kg-0.53°C24135m2.4m/s
22:008%1.3%31J/kg-0.14°C24135m1.3m/s
23:000%1.3%35J/kg0.06°C24135m1.6m/s
Sat, Jul 11
24:000%0%40J/kg0.25°C24135m1.9m/s
01:000%0%44J/kg0.45°C24135m2.2m/s
02:000%0%46J/kg0.37°C24135m2.6m/s
03:000%0%49J/kg0.29°C24135m3m/s
04:000%3.9%51J/kg0.21°C24135m3.3m/s
05:000%0%41J/kg0.3°C24135m3.5m/s
06:000%0%30J/kg0.4°C24135m3.7m/s
07:000%0%20J/kg0.49°C24135m3.9m/s
08:000%14%35J/kg0.28°C16341m3.7m/s
09:000%26%51J/kg0.06°C8547m3.5m/s
10:0018%32%66J/kg-0.15°C753m3.3m/s
11:0017%26%76J/kg-0.29°C684m4.2m/s
12:0017%26%86J/kg-0.44°C615m5m/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 05:18 Sunset 21:31
14:00
1017hPa 0J/kg 0fraction 0% 9.6°C 0% 4% 0% 0mm 68% 0mm -20dBZ 61° 4% 0mm - - 3.6m/s
15:00
1017hPa 0J/kg 0fraction 0% 9.4°C 0% 4% 0% 0mm 69% 0mm -20dBZ 56° 4% 0mm - - 4m/s
16:00
1017hPa 0J/kg 0fraction 0% 9.1°C 0% 0% 0% 0mm 70% 0mm -20dBZ 49° 0% 0mm 1.9m/s 3.4m/s 4m/s
17:00
1017hPa 0J/kg 0fraction 0% 8.4°C 0% 0% 0% 0mm 74% 0mm -20dBZ 40° 0% 0mm - - 4.2m/s
18:00
1017hPa 0J/kg 0fraction 0% 7.6°C 0% 0% 0% 0mm 79% 0mm -20dBZ 31° 0% 0mm - - 3.9m/s
19:00
1017hPa 0J/kg 0fraction 0% 7.3°C 0% 0% 0% 0mm 82% 0mm -20dBZ 21° 0% 0mm 5.2m/s 8m/s 3.4m/s
20:00
1016hPa 0J/kg 0fraction 0% 7.2°C 0% 0% 0% 0mm 86% 0mm -20dBZ 12° 0% 0mm - - 3.2m/s
21:00
1016hPa 0J/kg 0fraction 0% 7.3°C 0% 0% 0% 0mm 91% 0mm -20dBZ 3.5° 0% 0mm - - 2.7m/s
22:00
1016hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 91% 0mm -20dBZ -4.2° 0% 0mm 6.7m/s 10m/s 2.1m/s
23:00
1016hPa 0J/kg 0fraction 2% 7.6°C 0% 0% 0% 0mm 91% 0mm -20dBZ -10° 2% 0mm - - 2.3m/s
Thu, Jul 9 Sunrise 05:18 Sunset 21:31
24:00
1016hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 91% 0mm -20dBZ -15° 0% 0mm - - 2.5m/s
01:00
1016hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 91% 0mm -20dBZ -17° 0% 0mm 6.8m/s 8m/s 2.6m/s
02:00
1016hPa 0J/kg 0fraction 0% 7.3°C 0% 0% 0% 0mm 90% 0mm -20dBZ -17° 0% 0mm - - 2.3m/s
03:00
1016hPa 0J/kg 0fraction 0% 7.3°C 0% 0% 0% 0mm 89% 0mm -20dBZ -14° 0% 0mm - - 2.3m/s
04:00
1015hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 89% 0mm -20dBZ -9.5° 0% 0mm 7.5m/s 8m/s 2.3m/s
05:00
1015hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 88% 0mm -20dBZ -3.1° 0% 0mm - - 2.2m/s
06:00
1015hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 88% 0mm -20dBZ 4.7° 0% 0mm - - 2.1m/s
07:00
1015hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 86% 0mm -20dBZ 13° 0% 0mm 8.4m/s 7.8m/s 2m/s
08:00
1015hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 81% 0mm -20dBZ 22° 0% 0mm - - 2.2m/s
09:00
1015hPa 0J/kg 0fraction 0% 7.5°C 0% 0% 0% 0mm 75% 0mm -20dBZ 32° 0% 0mm - - 2.5m/s
10:00
1015hPa 0J/kg 0fraction 0% 7.4°C 0% 0% 0% 0mm 68% 0mm -20dBZ 41° 0% 0mm 8.3m/s 7.3m/s 3m/s
11:00
1015hPa 0J/kg 0fraction 0% 7.2°C 0% 0% 0% 0mm 68% 0mm -20dBZ 50° 0% 0mm - - 3.5m/s
12:00
1014hPa 0J/kg 0fraction 0% 7°C 0% 0% 0% 0mm 68% 0mm -20dBZ 57° 0% 0mm - - 4.1m/s
13:00
1014hPa 0J/kg 0fraction 0% 6.8°C 0% 0% 0% 0mm 70% 0mm -20dBZ 61° 0% 0mm 7.1m/s 6.9m/s 4.7m/s
14:00
1014hPa 0J/kg 0fraction 1% 6.5°C 0% 0% 0% 0mm 70% 0mm -20dBZ 61° 1% 0mm - - 5.1m/s
15:00
1014hPa 0J/kg 0fraction 3% 6.2°C 0% 0% 0% 0mm 68% 0mm -20dBZ 56° 3% 0mm - - 5.1m/s
16:00
1013hPa 0J/kg 0fraction 5% 6.3°C 0% 0% 0% 0mm 66% 0mm -20dBZ 49° 5% 0mm 6.6m/s 6.5m/s 5m/s
17:00
1013hPa 0J/kg 0fraction 48% 6.2°C 0% 0% 0% 0mm 66% 0mm -20dBZ 40° 48% 0mm - - 4.8m/s
18:00
1013hPa 0J/kg 0fraction 99% 5.8°C 0% 0% 0% 0mm 67% 0mm -20dBZ 30° 99% 0mm - - 4.5m/s
19:00
1013hPa 0J/kg 0fraction 90% 5.6°C 0% 0% 0% 0mm 69% 0mm -20dBZ 21° 90% 0mm 7.2m/s 7.5m/s 4.1m/s
20:00
1013hPa 0J/kg 0fraction 84% 5.4°C 0% 0% 0% 0mm 73% 0mm -20dBZ 12° 84% 0mm - - 3.5m/s
21:00
1013hPa 0J/kg 0fraction 57% 5°C 0% 0% 0% 0mm 77% 0mm -20dBZ 3.4° 57% 0mm - - 3.3m/s
22:00
1013hPa 0J/kg 0fraction 41% 4.5°C 0% 0% 0% 0mm 79% 0mm -20dBZ -4.3° 41% 0mm 8.2m/s 7.3m/s 2.8m/s
23:00
1012hPa 0J/kg 0fraction 32% 4.4°C 0% 0% 0% 0mm 76% 0mm -20dBZ -10° 32% 0mm - - 2.7m/s
Fri, Jul 10 Sunrise 05:19 Sunset 21:30
24:00
1012hPa 0J/kg 0fraction 24% 4.1°C 0% 0% 0% 0mm 65% 0mm -20dBZ -15° 24% 0mm - - 3.1m/s
01:00
1012hPa 0J/kg 0fraction 52% 4.3°C 0% 0% 0% 0mm 66% 0mm -20dBZ -17° 52% 0mm 7.6m/s 7m/s 3.5m/s
02:00
1012hPa 0J/kg 0fraction 98% 4.2°C 0% 0% 0% 0mm 74% 0mm -20dBZ -17° 98% 0mm - - 3.7m/s
03:00
1012hPa 0J/kg 0fraction 5% 4°C 0% 0% 0% 0mm 76% 0mm -20dBZ -14° 5% 0mm - - 3.4m/s
04:00
1011hPa 0J/kg 0fraction 4% 4.5°C 0% 0% 0% 0mm 73% 0mm -20dBZ -9.7° 4% 0mm 8.2m/s 5.3m/s 2.4m/s
05:00
1011hPa 0J/kg 0fraction 5% 4.6°C 0% 0% 0% 0mm 71% 0mm -20dBZ -3.2° 5% 0mm - - 1.5m/s
06:00
1011hPa 0J/kg 0fraction 4% 4.2°C 0% 0% 0% 0mm 70% 0mm -20dBZ 4.6° 4% 0mm - - 1.4m/s
07:00
1011hPa 0J/kg 0fraction 2% 3.9°C 0% 0% 0% 0mm 67% 0mm -20dBZ 13° 2% 0mm 5.1m/s 2.7m/s 1.5m/s
08:00
1011hPa 0J/kg 0fraction 3% 3.9°C 0% 0% 0% 0mm 62% 0mm -20dBZ 22° 3% 0mm - - 1.7m/s
09:00
1011hPa 0J/kg 0fraction 4% 3.7°C 0% 0% 0% 0mm 57% 0mm -20dBZ 32° 4% 0mm - - 1.5m/s
10:00
1011hPa 0J/kg 0fraction 3% 2.7°C 0% 0% 0% 0mm 54% 0mm -20dBZ 41° 3% 0mm 7.1m/s 4.5m/s 1.2m/s
11:00
1011hPa 0J/kg 0fraction 5% 1.8°C 0% 0% 0% 0mm 58% 0mm -20dBZ 50° 5% 0mm - - 1.9m/s
12:00
1012hPa 0J/kg 0fraction 5% 1.1°C 0% 0% 0% 0mm 62% 0mm -20dBZ 57° 5% 0mm - - 2.5m/s
13:00
1012hPa 20J/kg 0fraction 0% 0.5°C 0% 0% 0% 0mm 61% 0mm -20dBZ 61° 0% 0mm 6.2m/s 4.3m/s 2.2m/s
14:00
1012hPa 14J/kg 0fraction 2% 0.2°C 0% 0% 0% 0mm 61% 0mm -17dBZ 61° 2% 0mm - - 2m/s
15:00
1012hPa 28J/kg 0fraction 0% -0.2°C 0% 0% 0% 0mm 61% 0mm -14dBZ 56° 0% 0mm - - 2m/s
16:00
1012hPa 58J/kg 0fraction 1% -0.4°C 0% 0% 0% 0mm 63% 0mm -11dBZ 49° 1% 0mm 6.6m/s 4.4m/s 2.7m/s
17:00
1012hPa 110J/kg 0fraction 0% -0.9°C 0% 1% 0% 0mm 65% 0mm -14dBZ 40° 1% 0mm - - 3.3m/s
18:00
1012hPa 159J/kg 0fraction 1% -1.3°C 0% 0% 0% 0mm 68% 0mm -17dBZ 30° 1% 0mm - - 4.1m/s
19:00
1012hPa 175J/kg 0fraction 5% -1.3°C 0% 5% 0% 0mm 71% 0mm -20dBZ 21° 7% 0mm 7.5m/s 5.7m/s 3.8m/s
20:00
1012hPa 127J/kg 0fraction 3% -0.91°C 0% 3% 0% 0mm 74% 0mm -20dBZ 12° 5% 0mm - - 2.9m/s
21:00
1013hPa 79J/kg 0fraction 2% -0.53°C 0% 2% 0% 0mm 77% 0mm -20dBZ 3.4° 2% 0mm - - 2m/s
22:00
1013hPa 31J/kg 0fraction 0% -0.14°C 0% 0% 0% 0mm 80% 0mm -20dBZ -4.3° 0% 0mm 4.4m/s 5m/s 1.1m/s
23:00
1014hPa 35J/kg 0fraction 0% 0.06°C 0% 0% 0% 0mm 79% 0mm -20dBZ -11° 0% 0mm - - 1.5m/s
Sat, Jul 11 Sunrise 05:20 Sunset 21:29
24:00
1014hPa 40J/kg 0fraction 0% 0.25°C 0% 0% 0% 0mm 78% 0mm -20dBZ -15° 0% 0mm - - 1.9m/s
01:00
1014hPa 44J/kg 0fraction 0% 0.45°C 0% 0% 0% 0mm 77% 0mm -20dBZ -17° 0% 0mm 0.98m/s 5.5m/s 2.3m/s
02:00
1014hPa 46J/kg 0fraction 0% 0.37°C 0% 0% 0% 0mm 72% 0mm -20dBZ -17° 0% 0mm - - 1.9m/s
03:00
1014hPa 49J/kg 0fraction 0% 0.29°C 0% 0% 0% 0mm 67% 0mm -20dBZ -14° 0% 0mm - - 1.6m/s
04:00
1015hPa 51J/kg 0fraction 0% 0.21°C 0% 0% 0% 0mm 61% 0mm -20dBZ -9.8° 0% 0mm 2.7m/s 2.3m/s 1.2m/s
05:00
1015hPa 41J/kg 0fraction 0% 0.3°C 0% 0% 0% 0mm 62% 0mm -20dBZ -3.3° 0% 0mm - - 1.6m/s
06:00
1015hPa 30J/kg 0fraction 0% 0.4°C 0% 0% 0% 0mm 62% 0mm -20dBZ 4.5° 0% 0mm - - 2.1m/s
07:00
1016hPa 20J/kg 0fraction 0% 0.49°C 0% 0% 0% 0mm 62% 0mm -20dBZ 13° 0% 0mm 6.3m/s 3.5m/s 2.5m/s
08:00
1016hPa 35J/kg 0fraction 0% 0.28°C 10% 0% 0% 0mm 65% 0mm -20dBZ 22° 10% 0mm - - 2.9m/s
09:00
1016hPa 51J/kg 0fraction 0% 0.06°C 20% 0% 0% 0mm 67% 0mm -20dBZ 32° 20% 0mm - - 3.3m/s
10:00
1016hPa 66J/kg 0fraction 0% -0.15°C 30% 0% 0% 0mm 69% 0mm -20dBZ 41° 30% 0mm 7.1m/s 4.8m/s 3.7m/s
11:00
1016hPa 76J/kg 0fraction 0% -0.29°C 30% 0% 0% 0mm 74% 0mm -20dBZ 50° 30% 0mm - - 4m/s
12:00
1015hPa 86J/kg 0fraction 0% -0.44°C 29% 0% 0% 0mm 78% 0mm -20dBZ 57° 29% 0mm - - 4.4m/s
13:00
1015hPa 96J/kg 0fraction 0% -0.58°C 28% 0% 0% 0mm 82% 0mm -20dBZ 61° 28% 0mm 5.9m/s 5.9m/s 4.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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