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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 75% failing

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts8.9m/s
Precipitation Chance35%
Air Pressure1009.5hPa
CAPE4
Lifted Index6.8°C
Wind Gusts8.9m/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
Mon, Apr 13
20:000%34%0J/kg9.8°C24135m6.8m/s
21:000%49%0J/kg10°C24134m7.7m/s
22:000%7.1%0J/kg9.5°C24135m8.7m/s
23:000%9.9%0J/kg8.9°C24135m9.6m/s
Tue, Apr 14
24:000%12%3J/kg8.9°C24134m10m/s
01:000%2.4%4J/kg8.5°C24135m12m/s
02:000%1.1%1J/kg6.6°C11847m12m/s
03:0016%0%0J/kg6.3°C18996m13m/s
04:0034%0.3%0J/kg5.7°C15933m15m/s
05:0020%0.5%1J/kg5.1°C9015m15m/s
06:0021%95%3J/kg5.6°C8666m16m/s
07:0038%81%7J/kg5.4°C8453m13m/s
08:000%85%2J/kg5.2°C9687m14m/s
09:000%63%17J/kg4.3°C708m12m/s
10:0018%51%22J/kg4.4°C2221m9.6m/s
11:000%54%10J/kg6.1°C16790m8.5m/s
12:000%56%14J/kg7°C24134m7.6m/s
13:000%44%15J/kg6.9°C24135m8.1m/s
14:000%38%17J/kg7.1°C22785m8.4m/s
15:000%40%16J/kg6.2°C24134m8.8m/s
16:000%45%7J/kg6.7°C24134m8.7m/s
17:000%46%8J/kg6.6°C24134m8.3m/s
18:000%55%4J/kg6.5°C24134m8.6m/s
19:000%55%3J/kg5.9°C24135m8.6m/s
20:000%38%4J/kg6.8°C24135m8.9m/s
21:000%37%3J/kg7.7°C24134m9.7m/s
22:000%0%0J/kg6.2°C24134m10m/s
23:000%0%1J/kg4.7°C24134m11m/s
Wed, Apr 15
24:000%0%10J/kg4.3°C24135m12m/s
01:000%0%16J/kg4°C24135m13m/s
02:000%1.4%17J/kg4.7°C24134m14m/s
03:000%0%10J/kg5.3°C24134m14m/s
04:000%2%0J/kg5.9°C24134m14m/s
05:000%0.1%0J/kg5.9°C24134m14m/s
06:000%70%0J/kg5.7°C24134m15m/s
07:0014%49%2J/kg5.2°C24134m15m/s
08:000%33%8J/kg4.2°C24135m15m/s
09:000%63%31J/kg3.6°C23418m16m/s
10:0029%55%61J/kg2.6°C6292m17m/s
11:0021%55%59J/kg2.6°C7543m15m/s
12:0019%46%66J/kg-0.3°C24134m13m/s
13:0033%18%25J/kg1.6°C24134m14m/s
14:000%13%3J/kg3.1°C24134m14m/s
15:000%12%19J/kg3.6°C24134m14m/s
16:0013%14%18J/kg3.9°C24135m14m/s
17:000%14%17J/kg4°C24134m15m/s
18:000%19%31J/kg4.6°C24134m15m/s
19:000%26%28J/kg4.8°C24134m15m/s
20:000%30%7J/kg5.1°C24135m15m/s
21:000%68%15J/kg5.5°C24134m15m/s
22:000%14%34J/kg6.2°C22188m15m/s
23:000%8.7%38J/kg6.8°C23598m15m/s
Thu, Apr 16
24:000%15%27J/kg7.2°C24135m14m/s
01:000%7.9%30J/kg7.5°C24135m14m/s
02:000%3.8%30J/kg7.9°C24134m13m/s
03:000%15%30J/kg8.5°C23970m13m/s
04:000%15%32J/kg8.9°C24135m12m/s
05:000%15%36J/kg9.6°C24135m11m/s
06:000%38%30J/kg9.6°C24135m10m/s
07:000%82%24J/kg9.9°C24135m9.7m/s
08:000%75%34J/kg9.5°C24135m9m/s
09:000%64%32J/kg9.5°C24134m8.1m/s
10:000%62%18J/kg9.3°C24134m8m/s
11:000%24%19J/kg9.4°C24134m7.5m/s
12:000%46%11J/kg9.2°C24134m7.1m/s
13:000%63%9J/kg8.9°C24017m6.8m/s
14:000%35%8J/kg9.8°C24071m6.6m/s
15:000%28%6J/kg10°C24134m6.7m/s
16:000%34%3J/kg10°C24134m6.9m/s
17:000%34%4J/kg9.8°C24134m7.1m/s
18:000%46%5J/kg9.5°C24135m7.1m/s
19:000%55%2J/kg9.3°C24134m7.1m/s
20:000%59%0J/kg9.2°C24135m6.7m/s
21:000%47%0J/kg8.7°C24134m6.7m/s
22:000%15%0J/kg8.8°C24135m7.6m/s
23:000%15%0J/kg8.6°C24135m8.9m/s
Fri, Apr 17
24:000%13%1J/kg8.7°C24134m9.6m/s
01:000%5.4%5J/kg8.6°C24135m10m/s
02:000%0%11J/kg7.5°C24135m10m/s
03:000%0%17J/kg6.3°C24135m11m/s
04:000%0%23J/kg5.2°C24135m11m/s
05:000%0%24J/kg5.3°C23011m11m/s
06:000%62%25J/kg5.3°C21887m10m/s
07:000%62%26J/kg5.3°C20763m10m/s
08:000%57%27J/kg5.3°C21153m10m/s
09:000%57%28J/kg5.2°C21543m10m/s
10:000%48%29J/kg5.2°C21933m10m/s
11:000%69%23J/kg5.6°C22667m9.9m/s
12:000%76%17J/kg6.1°C23401m9.4m/s
13:000%16%11J/kg6.5°C24135m9m/s
14:000%68%7.7J/kg6.9°C24135m9m/s
15:000%66%4.3J/kg7.4°C24135m8.9m/s
16:000%56%1J/kg7.8°C24135m8.9m/s
17:000%39%4.3J/kg7.5°C24135m9.2m/s
18:000%43%7.7J/kg7.2°C24135m9.4m/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
Tue, Apr 14 Sunrise 06:28 Sunset 20:12
20:00
1010hPa 4J/kg 100% 6.8°C 100% 0% 35% 0.01mm 93% 0mm -6.9dBZ 1.5° 100% 0mm - - 5.7m/s
21:00
1010hPa 3J/kg 100% 7.7°C 100% 0% 48% 0.01mm 90% 0mm 1dBZ -7.7° 100% 0mm - - 6m/s
22:00
1010hPa 0J/kg 100% 6.2°C 100% 0% 61% 0.01mm 89% 0mm 8.9dBZ -16° 100% 0mm 2.8m/s 5.2m/s 6m/s
23:00
1010hPa 1J/kg 100% 4.7°C 100% 0% 68% 0.02mm 90% 0mm 9.6dBZ -23° 100% 0.06mm - - 6.5m/s
Wed, Apr 15 Sunrise 06:28 Sunset 20:12
24:00
1010hPa 10J/kg 100% 4.3°C 100% 0% 75% 0.04mm 92% 0mm 10dBZ -27° 100% 0.06mm - - 7.1m/s
01:00
1009hPa 16J/kg 100% 4°C 100% 0% 82% 0.02mm 92% 0mm 11dBZ -30° 100% 0.06mm 3.3m/s 7.6m/s 7.5m/s
02:00
1009hPa 17J/kg 100% 4.7°C 100% 0% 83% 0.01mm 92% 0mm 0.56dBZ -29° 100% 0mm - - 8m/s
03:00
1009hPa 10J/kg 33% 5.3°C 100% 0% 85% 0.03mm 91% 0mm -9.7dBZ -26° 100% 0.06mm - - 8.3m/s
04:00
1008hPa 0J/kg 96% 5.9°C 4% 0% 87% 0mm 90% 0mm -20dBZ -21° 96% 0.06mm 5.1m/s 8.1m/s 8.5m/s
05:00
1007hPa 0J/kg 100% 5.9°C 13% 5% 91% 0mm 92% 0mm -20dBZ -13° 100% 0.06mm - - 8.5m/s
06:00
1007hPa 0J/kg 100% 5.7°C 22% 50% 95% 0mm 92% 0mm -20dBZ -4.8° 100% 0.06mm - - 8.8m/s
07:00
1007hPa 2J/kg 9% 5.2°C 100% 0% 99% 0mm 91% 0mm -20dBZ 4.5° 100% 0.06mm 3.8m/s 11m/s 9.1m/s
08:00
1007hPa 8J/kg 0% 4.2°C 100% 4% 91% 0.05mm 90% 0.01mm -1.9dBZ 14° 100% 0mm - - 9.6m/s
09:00
1006hPa 31J/kg 0% 3.6°C 100% 100% 82% 0.35mm 89% 0.02mm 16dBZ 23° 100% 0.19mm - - 10m/s
10:00
1006hPa 61J/kg 0% 2.6°C 100% 100% 74% 2mm 92% 0.23mm 34dBZ 32° 100% 1.9mm 3.2m/s 6m/s 11m/s
11:00
1007hPa 59J/kg 0% 2.6°C 100% 95% 71% 0.89mm 93% 0.39mm 17dBZ 40° 100% 4.6mm - - 9.6m/s
12:00
1007hPa 66J/kg 0% -0.3°C 70% 0% 68% 0mm 91% 0.03mm 0.27dBZ 46° 70% 5.4mm - - 8m/s
13:00
1008hPa 25J/kg 0% 1.6°C 0% 0% 65% 0mm 81% 0mm -17dBZ 49° 0% 5.4mm 5.8m/s 13m/s 9.9m/s
14:00
1008hPa 3J/kg 0% 3.1°C 1% 0% 51% 0mm 75% 0mm -14dBZ 49° 1% 0mm - - 10m/s
15:00
1009hPa 19J/kg 0% 3.6°C 2% 0% 37% 0mm 76% 0.01mm -11dBZ 45° 2% 0mm - - 11m/s
16:00
1009hPa 18J/kg 0% 3.9°C 1% 0% 23% 0mm 78% 0.01mm -7.4dBZ 38° 1% 0mm 5.6m/s 15m/s 11m/s
17:00
1009hPa 17J/kg 0% 4°C 0% 0% 34% 0mm 80% 0.01mm -12dBZ 30° 0% 0mm - - 11m/s
18:00
1010hPa 31J/kg 0% 4.6°C 2% 0% 45% 0mm 82% 0.02mm -16dBZ 20° 2% 0.06mm - - 11m/s
19:00
1010hPa 28J/kg 0% 4.8°C 3% 0% 56% 0mm 83% 0mm -20dBZ 11° 3% 0.06mm 5m/s 6m/s 10m/s
20:00
1010hPa 7J/kg 0% 5.1°C 5% 0% 57% 0mm 84% 0mm -12dBZ 1.8° 5% 0mm - - 10m/s
21:00
1011hPa 15J/kg 5% 5.5°C 50% 0% 57% 0mm 85% 0mm -4.1dBZ -7.5° 50% 0mm - - 10m/s
22:00
1011hPa 34J/kg 14% 6.2°C 50% 5% 58% 0mm 86% 0.11mm 3.8dBZ -16° 50% 0.06mm 3.5m/s 9.3m/s 10m/s
23:00
1011hPa 38J/kg 88% 6.8°C 39% 5% 66% 0mm 87% 0.05mm 2.9dBZ -22° 88% 0.13mm - - 10m/s
Thu, Apr 16 Sunrise 06:26 Sunset 20:14
24:00
1011hPa 27J/kg 60% 7.2°C 8% 17% 74% 0mm 87% 0.02mm 2dBZ -27° 60% 0.19mm - - 9.2m/s
01:00
1012hPa 30J/kg 48% 7.5°C 7% 71% 82% 0mm 87% 0.05mm 1.1dBZ -29° 72% 0.25mm 4.3m/s 8.8m/s 8.9m/s
02:00
1012hPa 30J/kg 92% 7.9°C 8% 96% 68% 0mm 88% 0.07mm -5.9dBZ -29° 96% 0.06mm - - 8.6m/s
03:00
1012hPa 30J/kg 5% 8.5°C 6% 78% 53% 0mm 87% 0.07mm -13dBZ -26° 78% 0.06mm - - 8.3m/s
04:00
1012hPa 32J/kg 4% 8.9°C 2% 5% 39% 0mm 88% 0.05mm -20dBZ -20° 5% 0.13mm 3.4m/s 13m/s 7.6m/s
05:00
1012hPa 36J/kg 22% 9.6°C 4% 3% 47% 0mm 89% 0mm -16dBZ -13° 22% 0.19mm - - 6.7m/s
06:00
1013hPa 30J/kg 5% 9.6°C 1% 0% 56% 0mm 90% 0mm -12dBZ -4.4° 5% 0.19mm - - 6.2m/s
07:00
1013hPa 24J/kg 30% 9.9°C 5% 0% 64% 0mm 90% 0.03mm -7.3dBZ 4.8° 30% 0.19mm 2.7m/s 13m/s 5.7m/s
08:00
1014hPa 34J/kg 53% 9.5°C 5% 3% 54% 0mm 90% 0mm -12dBZ 14° 53% 0mm - - 5.2m/s
09:00
1014hPa 32J/kg 17% 9.5°C 5% 2% 44% 0mm 85% 0.02mm -16dBZ 24° 17% 0mm - - 5.3m/s
10:00
1014hPa 18J/kg 41% 9.3°C 5% 5% 35% 0mm 82% 0mm -20dBZ 33° 41% 0mm 3.4m/s 10m/s 5.6m/s
11:00
1015hPa 19J/kg 96% 9.4°C 6% 5% 30% 0mm 82% 0mm -18dBZ 41° 96% 0mm - - 5.3m/s
12:00
1015hPa 11J/kg 89% 9.2°C 10% 78% 26% 0mm 81% 0.01mm -17dBZ 47° 89% 0mm - - 5m/s
13:00
1015hPa 9J/kg 36% 8.9°C 11% 88% 22% 0mm 82% 0.04mm -15dBZ 50° 88% 0.06mm 4.8m/s 9.6m/s 5.1m/s
14:00
1015hPa 8J/kg 100% 9.8°C 10% 95% 26% 0mm 82% 0.04mm -15dBZ 49° 100% 0.06mm - - 5m/s
15:00
1015hPa 6J/kg 100% 10°C 6% 96% 29% 0mm 81% 0.02mm -16dBZ 45° 100% 0.06mm - - 5.1m/s
16:00
1015hPa 3J/kg 100% 10°C 2% 84% 32% 0mm 81% 0.01mm -16dBZ 38° 100% 0.06mm 4.8m/s 14m/s 5.2m/s
17:00
1015hPa 4J/kg 100% 9.8°C 1% 84% 38% 0mm 82% 0.01mm -12dBZ 30° 100% 0.06mm - - 5.3m/s
18:00
1015hPa 5J/kg 100% 9.5°C 4% 90% 44% 0mm 83% 0.01mm -7dBZ 21° 100% 0.13mm - - 4.9m/s
19:00
1015hPa 2J/kg 100% 9.3°C 98% 100% 49% 0mm 84% 0mm -2.4dBZ 11° 100% 0.13mm 2.7m/s 11m/s 4.6m/s
20:00
1015hPa 0J/kg 100% 9.2°C 100% 100% 42% 0mm 85% 0mm -8.2dBZ 100% 0mm - - 4.4m/s
21:00
1015hPa 0J/kg 100% 8.7°C 7% 100% 36% 0mm 87% 0mm -14dBZ -7.2° 100% 0mm - - 4.1m/s
22:00
1015hPa 0J/kg 0% 8.8°C 5% 93% 29% 0mm 92% 0mm -20dBZ -15° 93% 0mm 5.9m/s 11m/s 4.3m/s
23:00
1015hPa 0J/kg 88% 8.6°C 6% 5% 32% 0mm 92% 0mm -20dBZ -22° 88% 0mm - - 4.6m/s
Fri, Apr 17 Sunrise 06:24 Sunset 20:16
24:00
1015hPa 1J/kg 100% 8.7°C 8% 2% 35% 0mm 94% 0mm -20dBZ -27° 100% 0mm - - 4.8m/s
01:00
1014hPa 5J/kg 95% 8.6°C 8% 5% 39% 0mm 94% 0mm -20dBZ -29° 95% 0mm 5.1m/s 13m/s 5.1m/s
02:00
1014hPa 11J/kg 77% 7.5°C 37% 3% 42% 0mm 91% 0.01mm -20dBZ -28° 95% 0.02mm - - 6m/s
03:00
1013hPa 17J/kg 58% 6.3°C 66% 2% 46% 0mm 88% 0.03mm -20dBZ -25° 95% 0.04mm - - 6.9m/s
04:00
1013hPa 23J/kg 40% 5.2°C 95% 0% 50% 0mm 84% 0.04mm -20dBZ -20° 95% 0.06mm 6.3m/s 13m/s 7.8m/s
05:00
1013hPa 24J/kg 51% 5.3°C 96% 10% 49% 0mm 86% 0.09mm -20dBZ -13° 96% 0.13mm - - 7.4m/s
06:00
1013hPa 25J/kg 62% 5.3°C 98% 19% 47% 0mm 89% 0.15mm -20dBZ -4.1° 98% 0.19mm - - 7.1m/s
07:00
1013hPa 26J/kg 74% 5.3°C 100% 29% 46% 0mm 91% 0.2mm -20dBZ 5.1° 100% 0.25mm 5.1m/s 14m/s 6.7m/s
08:00
1013hPa 27J/kg 77% 5.3°C 75% 53% 49% 0mm 90% 0.2mm -20dBZ 15° 100% 0.35mm - - 6.9m/s
09:00
1013hPa 28J/kg 80% 5.2°C 50% 76% 53% 0mm 89% 0.21mm -20dBZ 24° 100% 0.46mm - - 7.1m/s
10:00
1012hPa 29J/kg 82% 5.2°C 25% 100% 56% 0mm 88% 0.21mm -20dBZ 33° 100% 0.56mm 5.2m/s 9.9m/s 7.2m/s
11:00
1013hPa 23J/kg 57% 5.6°C 19% 68% 59% 0mm 88% 0.14mm -12dBZ 41° 69% 0.67mm - - 6.7m/s
12:00
1013hPa 17J/kg 32% 6.1°C 12% 37% 62% 0mm 87% 0.07mm -3.4dBZ 47° 38% 0.77mm - - 6.2m/s
13:00
1013hPa 11J/kg 6% 6.5°C 5% 5% 65% 0mm 86% 0mm 4.8dBZ 50° 6% 0.88mm 6.3m/s 12m/s 5.7m/s
14:00
1013hPa 7.7J/kg 23% 6.9°C 5% 30% 53% 0mm 87% 0mm 4.4dBZ 49° 31% 0.58mm - - 5.4m/s
15:00
1014hPa 4.3J/kg 39% 7.4°C 5% 56% 40% 0mm 88% 0mm 4dBZ 45° 56% 0.29mm - - 5.1m/s
16:00
1014hPa 1J/kg 56% 7.8°C 5% 81% 27% 0mm 88% 0mm 3.5dBZ 38° 81% 0mm 7.2m/s 14m/s 4.8m/s
17:00
1014hPa 4.3J/kg 71% 7.5°C 5% 87% 23% 0mm 89% 0mm 3.2dBZ 30° 87% 0mm - - 5m/s
18:00
1014hPa 7.7J/kg 85% 7.2°C 5% 94% 19% 0mm 89% 0mm 2.8dBZ 21° 94% 0mm - - 5.2m/s
19:00
1014hPa 11J/kg 100% 6.9°C 5% 100% 15% 0mm 90% 0mm 2.5dBZ 11° 100% 0mm 7m/s 14m/s 5.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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