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Rule Storm Chaser

Storm Chaser Forecast for Lóndrangar, Iceland Coast

Hellnar, West, Iceland

The twin Lóndrangar basalt plugs are volcanic remnants standing apart from the lower sea cliffs of western Snæfellsnes. Their unequal pinnacles read as isolated silhouettes from the coastal path, with open Atlantic water rather than a village behind them.

Currently

Real-time conditions
Storm Intensity
0%
CAPE0
Lifted Index7.6°C
Wind Gusts3.1m/s
Precipitation0.0mm

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
Next opportunity
Weak Storm
Lóndrangar
Tomorrow · 18:00–19:00 · 1h window
Medium confidence
48%
⛈️Storm Intensity50%
CAPE: 2
Lifted Index: 5.7°C
Wind Gusts: 17.5m/s
Precipitation: 6.0mm

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Storm Chaser conditions across Iceland Coast. The requirements and hourly values below show how those signals apply at Lóndrangar.

Explore Storm Chaser conditions across Iceland Coast →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Lóndrangar during the last 365 days.

Last 30 days
13
recorded matching windows · 54% average confidence
Last 90 days
21
recorded matching windows · 55% average confidence
Last 365 days
21
recorded matching windows · 55% average confidence
Most frequent recorded start hour

21:00 local time, shared by 4 of 21 matches recorded in the last 365 days.

Most represented month

August, with 13 of 21 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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86-hour requirements breakdown

When available, the detailed table below covers only the stated 86-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
1matching hours in the next 86 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Storm Intensity
≥ 40.0%
Sun, Aug 23
04:0025%
05:0026%
06:0029%
07:0027%
08:0024%
09:0032%
10:0020%
11:000%
12:0013%
13:000%
14:000%
15:0011%
16:000%
17:000%
18:009.1%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Aug 24
24:009.8%
01:000%
02:000%
03:0012%
04:000%
05:000%
06:0012%
07:000%
08:0017%
09:0022%
10:0023%
11:0024%
12:0029%
13:0028%
14:0028%
15:0037%
16:0038%
17:0036%
18:0050%
19:0034%
20:0032%
21:0038%
22:0031%
23:0027%
Tue, Aug 25
24:0027%
01:0023%
02:0023%
03:0028%
04:0020%
05:0017%
06:0017%
07:000%
08:000%
09:000%
10:000%
11:000%
12:0020%
13:0018%
14:0018%
15:0020%
16:0013%
17:0011%
18:0018%
19:0011%
20:000%
21:000%
22:000%
23:000%
Wed, Aug 26
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:0024%
07:0020%
08:000%
09:0018%
10:000%
11:0024%
12:0027%
13:0023%
14:0025%
15:0025%
16:0018%
17:0020%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Storm Intensity 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
Atlantic/Reykjavik
Air Pressure
hPa
CAPE
J/kg
Convective Precip Fraction
fraction
Lifted Index
°C
Precipitation Chance
%
Rainfall
mm
Showers
mm
Simulated Reflectivity
dBZ
Total Precipitation
mm
Visibility
m
Wind Gusts
m/s
Wind Shear 0-3 km
m/s
Wind Shear 0-6 km
m/s
Wind Speed
m/s
Sun, Aug 23 Sunrise 05:48 Sunset 21:25
20:00
1001hPa 0J/kg 0fraction 7.6°C 20% 0mm 0mm -7.4dBZ 0mm 24135m 3.1m/s - - 3.2m/s
21:00
1002hPa 0J/kg 0fraction 5.5°C 30% 0mm 0mm -1.1dBZ 0mm 24135m 3.1m/s 6.5m/s 9.1m/s 3m/s
22:00 ☾
1002hPa 5J/kg 0fraction 5.2°C 37% 0mm 0mm -7.4dBZ 0mm 24135m 3.4m/s - - 3.2m/s
23:00 ☾
1002hPa 3J/kg 0fraction 6°C 43% 0mm 0mm -14dBZ 0mm 24134m 3.4m/s - - 3.2m/s
Mon, Aug 24 Sunrise 05:51 Sunset 21:21
24:00 ☾
1002hPa 0J/kg 0fraction 6.3°C 50% 0mm 0mm -20dBZ 0mm 24135m 2.9m/s 1.5m/s 11m/s 3.1m/s
01:00 ☾
1002hPa 0J/kg 0fraction 6.7°C 37% 0mm 0mm -20dBZ 0mm 24135m 2.8m/s - - 2.8m/s
02:00 ☾
1002hPa 0J/kg 0fraction 6.9°C 25% 0mm 0mm -20dBZ 0mm 24134m 3.4m/s - - 3.4m/s
03:00 ☾
1001hPa 0J/kg 0fraction 7.2°C 12% 0mm 0mm -20dBZ 0mm 24134m 3.3m/s 6.6m/s 15m/s 3.3m/s
04:00 ☾
1001hPa 0J/kg 0fraction 7.4°C 18% 0mm 0mm -20dBZ 0mm 24134m 3.3m/s - - 3.3m/s
05:00 ☾
1001hPa 0J/kg 0fraction 6.5°C 25% 0mm 0mm -20dBZ 0mm 24134m 3.9m/s - - 3.7m/s
06:00
1000hPa 0J/kg 0fraction 7.1°C 31% 0mm 0mm -20dBZ 0mm 24135m 5.6m/s 6.7m/s 16m/s 5m/s
07:00
999hPa 0J/kg 0fraction 8°C 48% 0mm 0mm -12dBZ 0mm 24134m 7.3m/s - - 6.1m/s
08:00
999hPa 0J/kg 0fraction 8.4°C 64% 0mm 0mm -3.2dBZ 0mm 24134m 7.9m/s - - 6.5m/s
09:00
998hPa 0J/kg 0fraction 8.5°C 81% 0mm 0mm 5.2dBZ 0mm 24135m 8.8m/s 2m/s 12m/s 7.4m/s
10:00
998hPa 0J/kg 0fraction 9.5°C 84% 0mm 0mm 13dBZ 0mm 24134m 9.2m/s - - 8.1m/s
11:00
997hPa 0J/kg 0fraction 9.2°C 87% 0mm 0mm 22dBZ 0mm 24134m 9.8m/s - - 8.4m/s
12:00
997hPa 0J/kg 0fraction 7.9°C 91% 0mm 0mm 30dBZ 0mm 24135m 11m/s 3.4m/s 13m/s 9m/s
13:00
996hPa 0J/kg 0fraction 7.2°C 82% 0.1mm 0mm 31dBZ 0mm 24135m 12m/s - - 10m/s
14:00
995hPa 2J/kg 0fraction 6.7°C 73% 0.47mm 0mm 31dBZ 0.56mm 19483m 15m/s - - 11m/s
15:00
994hPa 2J/kg 0fraction 6.8°C 64% 1.6mm 0mm 32dBZ 1.6mm 8265m 15m/s 5.6m/s 13m/s 12m/s
16:00
994hPa 2J/kg 0fraction 6.9°C 66% 2mm 0mm 28dBZ 3.7mm 8385m 15m/s - - 12m/s
17:00
994hPa 1J/kg 0fraction 5.8°C 67% 0.92mm 0mm 24dBZ 4.8mm 11430m 17m/s - - 13m/s
18:00
994hPa 2J/kg 0.001fraction 5.7°C 69% 1.3mm 0mm 20dBZ 6mm 8259m 18m/s 13m/s 18m/s 13m/s
19:00
993hPa 2J/kg 0.05fraction 5.7°C 63% 1.4mm 0mm 22dBZ 1.4mm 8892m 19m/s - - 15m/s
20:00
993hPa 2J/kg 0.09fraction 4.7°C 58% 0.78mm 0mm 24dBZ 2.6mm 14496m 20m/s - - 17m/s
21:00
994hPa 4J/kg 0.14fraction 3.4°C 52% 0.78mm 0mm 26dBZ 3.3mm 11313m 19m/s 6.4m/s 10m/s 16m/s
22:00 ☾
994hPa 3J/kg 0.1fraction 4°C 54% 0.55mm 0mm 23dBZ 4.1mm 15198m 16m/s - - 13m/s
23:00 ☾
994hPa 1J/kg 0.06fraction 4.3°C 56% 0.33mm 0mm 20dBZ 4.4mm 23378m 10m/s - - 9.6m/s
Tue, Aug 25 Sunrise 05:54 Sunset 21:18
24:00 ☾
995hPa 1J/kg 0.03fraction 4°C 58% 0.18mm 0mm 17dBZ 4.7mm 24135m 9.7m/s 2.7m/s 3.9m/s 9.2m/s
01:00 ☾
995hPa 1J/kg 0.15fraction 4°C 60% 0.56mm 0mm 12dBZ 0.25mm 18177m 8.7m/s - - 8.5m/s
02:00 ☾
996hPa 3J/kg 0.28fraction 4°C 62% 2mm 0mm 7.5dBZ 1.8mm 6581m 5.7m/s - - 5.4m/s
03:00 ☾
997hPa 3J/kg 0.41fraction 4.7°C 64% 3.1mm 0mm 2.6dBZ 4.6mm 5200m 3.5m/s 4.6m/s 2.7m/s 3.6m/s
04:00 ☾
998hPa 2J/kg 0.33fraction 6°C 59% 2.3mm 0mm 3.1dBZ 7.4mm 6969m 3.2m/s - - 3.2m/s
05:00 ☾
998hPa 1J/kg 0.25fraction 7°C 54% 0.67mm 0mm 3.5dBZ 8.6mm 12763m 2m/s - - 1.8m/s
06:00
999hPa 1J/kg 0.17fraction 7.1°C 50% 0.3mm 0mm 4dBZ 9mm 23665m 2.9m/s 7.3m/s 4.3m/s 2.9m/s
07:00
1000hPa 1J/kg 0.18fraction 7°C 43% 0.11mm 0.01mm 6.5dBZ 0.19mm 24135m 5.1m/s - - 5m/s
08:00
1001hPa 1J/kg 0.18fraction 7.6°C 35% 0.19mm 0.04mm 9.1dBZ 0.38mm 21492m 6.8m/s - - 5.7m/s
09:00
1002hPa 1J/kg 0.19fraction 8.2°C 28% 0.06mm 0.07mm 12dBZ 0.56mm 24134m 7.8m/s 6.9m/s 4m/s 7.4m/s
10:00
1002hPa 14J/kg 0.27fraction 8.3°C 29% 0.02mm 0.07mm 1.8dBZ 0.63mm 24135m 7.6m/s - - 6.8m/s
11:00
1003hPa 31J/kg 0.35fraction 7.6°C 29% 0.01mm 0.14mm -8.2dBZ 0.75mm 21404m 7.8m/s - - 6.6m/s
12:00
1004hPa 38J/kg 0.44fraction 7.4°C 30% 0mm 0.26mm -18dBZ 0.94mm 20216m 8.5m/s 7.5m/s 9.3m/s 7.6m/s
13:00
1004hPa 36J/kg 0.5fraction 7.4°C 27% 0mm 0.28mm -18dBZ 0.25mm 19812m 7.9m/s - - 6.8m/s
14:00
1005hPa 29J/kg 0.56fraction 7.4°C 25% 0mm 0.21mm -18dBZ 0.5mm 21471m 7.4m/s - - 6m/s
15:00
1005hPa 24J/kg 0.62fraction 7.3°C 22% 0mm 0.15mm -18dBZ 0.63mm 24066m 6.3m/s 7m/s 12m/s 4.4m/s
16:00
1005hPa 16J/kg 0.71fraction 7.3°C 28% 0mm 0.09mm -8.4dBZ 0.75mm 24135m 5.2m/s - - 3.4m/s
17:00
1006hPa 10J/kg 0.79fraction 7.1°C 33% 0mm 0.04mm 0.65dBZ 0.81mm 24135m 4.1m/s - - 3m/s
18:00
1006hPa 7J/kg 0.87fraction 6.9°C 39% 0mm 0mm 9.7dBZ 0.81mm 24134m 3.4m/s 7.5m/s 14m/s 3.2m/s
19:00
1006hPa 10J/kg 0.6fraction 6.7°C 32% 0mm 0mm -0.18dBZ 0mm 24135m 4m/s - - 4m/s
20:00
1007hPa 9J/kg 0.33fraction 6.6°C 25% 0mm 0mm -10dBZ 0mm 24135m 3.8m/s - - 4.2m/s
21:00
1007hPa 11J/kg 0.06fraction 6.2°C 18% 0mm 0mm -20dBZ 0mm 24135m 3.5m/s 6.2m/s 11m/s 3.9m/s
22:00 ☾
1008hPa 13J/kg 0.04fraction 6°C 19% 0mm 0mm -20dBZ 0mm 24135m 3.6m/s - - 3.6m/s
23:00 ☾
1008hPa 5J/kg 0.02fraction 6.4°C 19% 0mm 0mm -20dBZ 0mm 24135m 3.5m/s - - 3.5m/s
Wed, Aug 26 Sunrise 05:57 Sunset 21:14
24:00 ☾
1008hPa 5J/kg 0fraction 6.3°C 20% 0mm 0mm -20dBZ 0mm 24135m 3.4m/s 6.5m/s 12m/s 3.4m/s
01:00 ☾
1012hPa 4J/kg 0fraction 5.4°C 17% 0.02mm 0mm -20dBZ 0.33mm 24135m 4.1m/s - - 3.8m/s
02:00 ☾
1016hPa 3J/kg 0fraction 4.5°C 15% 0.04mm 0mm -20dBZ 0.67mm 24135m 4.8m/s - - 4.2m/s
03:00 ☾
1020hPa 2J/kg 0fraction 3.5°C 12% 0.06mm 0mm -20dBZ 1mm 24135m 5.5m/s 8.7m/s 13m/s 4.6m/s
04:00 ☾
1020hPa 4.3J/kg 0fraction 3.1°C 16% 0.53mm 0mm -4dBZ 2.3mm 19303m 5.8m/s - - 4.8m/s
05:00 ☾
1020hPa 6.7J/kg 0fraction 2.7°C 20% 0.99mm 0mm 12dBZ 3.5mm 14470m 6m/s - - 5.1m/s
06:00
1020hPa 9J/kg 0fraction 2.3°C 24% 1.5mm 0mm 28dBZ 4.8mm 9638m 6.2m/s 8.3m/s 13m/s 5.4m/s
07:00
1020hPa 10J/kg 0fraction 2.1°C 29% 1.5mm 0.08mm 21dBZ 4.7mm 8386m 6m/s - - 5m/s
08:00
1019hPa 12J/kg 0fraction 1.8°C 33% 1.6mm 0.15mm 15dBZ 4.6mm 7134m 5.7m/s - - 4.6m/s
09:00
1019hPa 13J/kg 0fraction 1.6°C 37% 1.7mm 0.23mm 8.2dBZ 4.6mm 5882m 5.5m/s 14m/s 17m/s 4.2m/s
10:00
1019hPa 21J/kg 0fraction 1.6°C 41% 1.3mm 0.15mm 15dBZ 5.8mm 9338m 5.5m/s - - 4.6m/s
11:00
1019hPa 30J/kg 0fraction 1.5°C 44% 0.98mm 0.08mm 21dBZ 7mm 12794m 5.4m/s - - 5m/s
12:00
1020hPa 38J/kg 0fraction 1.5°C 48% 0.64mm 0mm 27dBZ 8.3mm 16250m 5.3m/s 7m/s 12m/s 5.4m/s
13:00
1020hPa 30J/kg 0.04fraction 2°C 49% 0.8mm 0mm 29dBZ 6.7mm 15638m 5.1m/s - - 5.1m/s
14:00
1020hPa 23J/kg 0.08fraction 2.6°C 51% 0.95mm 0mm 30dBZ 5.2mm 15027m 4.9m/s - - 4.8m/s
15:00
1020hPa 15J/kg 0.12fraction 3.1°C 52% 1.1mm 0mm 31dBZ 3.7mm 14415m 4.7m/s 6.9m/s 12m/s 4.6m/s
16:00
1019hPa 11J/kg 0.08fraction 3.6°C 56% 0.75mm 0mm 28dBZ 4.1mm 17655m 4.7m/s - - 4.6m/s
17:00
1019hPa 7.7J/kg 0.04fraction 4.1°C 60% 0.39mm 0mm 24dBZ 4.5mm 20895m 4.6m/s - - 4.6m/s
18:00
1019hPa 4J/kg 0.001fraction 4.6°C 64% 0.03mm 0mm 20dBZ 4.9mm 24135m 4.5m/s 6.1m/s 12m/s 4.7m/s
19:00
1019hPa 5.3J/kg 0fraction 5°C 55% 0.02mm 0mm 21dBZ 3.3mm 24135m 5.5m/s - - 5.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

How opportunities work → Weather data sources →
Forecast generated

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