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Rule Fog Hunter

Thingvellir - Fog Hunter - Iceland

Laugarvatn, South, Iceland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread2.5°C
Visibility24135 (Clear)
Relative Humidity84%
Wind Speed2.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
fog weather icon
Next opportunity
Dense Fog
Thingvellir
Mon, Jul 13 · 21:00–23:00 · 2h window
High confidence
79%
🌫️Fog Probability100%
Dewpoint Spread: 0.2°C
Visibility: 158 (Dense fog)
Relative Humidity: 99%
Wind Speed: 3.2m/s (calm conditions)

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 79 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Fog Probability
≥ 75.0%
Wed, Jul 8
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Thu, Jul 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:0069%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0030%
22:0030%
23:000%
Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability 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
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Wed, Jul 8 Sunrise 03:16 Sunset 23:37
14:00
0% 6.7°C 0mm 84% 0cm 48° 9.2°C 0.06mm 0.18kPa 24135m 3.2m/s 2.1m/s
15:00
0% 6.7°C 0mm 83% 0cm 46° 9.5°C 0.13mm 0.2kPa 24135m 3.3m/s 1.9m/s
16:00
0% 7°C 0mm 82% 0cm 41° 10°C 0.19mm 0.22kPa 24135m 2.9m/s 1.8m/s
17:00
0% 7°C 0.01mm 83% 0cm 36° 9.8°C 0.25mm 0.21kPa 24135m 2.8m/s 2m/s
18:00
0% 7°C 0mm 84% 0cm 30° 9.5°C 0.25mm 0.19kPa 24134m 2.7m/s 2.2m/s
19:00
0% 7°C 0.03mm 87% 0cm 23° 9°C 0mm 0.15kPa 24134m 2.7m/s 2.2m/s
20:00
0% 7.1°C 0.98mm 93% 0cm 17° 8.1°C 0.56mm 0.07kPa 11390m 3.4m/s 2.2m/s
21:00
0% 7.2°C 1.3mm 96% 0cm 11° 7.7°C 1.4mm 0.04kPa 8336m 3.2m/s 1.9m/s
22:00
0% 7.4°C 0.83mm 98% 0cm 5.6° 7.6°C 2.8mm 0.02kPa 12578m 2.4m/s 1.4m/s
23:00
0% 7.5°C 1.3mm 99% 0cm 1.6° 7.7°C 4.3mm 0.01kPa 618m 2.9m/s 1.3m/s
Thu, Jul 9 Sunrise 03:18 Sunset 23:35
24:00 ☾
0% 7.7°C 1.6mm 99% 0cm -1.5° 7.8°C 5.8mm 0.01kPa 211m 7.6m/s 2.9m/s
01:00 ☾
0% 6.4°C 0.05mm 93% 0cm -3.1° 7.4°C 1mm 0.07kPa 23119m 6.8m/s 4.2m/s
02:00 ☾
0% 5.6°C 0mm 92% 0cm -3.1° 6.9°C 1.3mm 0.08kPa 21990m 6m/s 2.5m/s
03:00 ☾
0% 5.8°C 0mm 93% 0cm -1.4° 6.8°C 1.5mm 0.07kPa 23461m 7m/s 3.1m/s
04:00
0% 5.6°C 0mm 94% 0cm 1.8° 6.6°C 1.8mm 0.06kPa 13868m 7.1m/s 2.9m/s
05:00
0% 5.6°C 0mm 98% 0cm 5.9° 5.9°C 2.1mm 0.02kPa 20878m 2.7m/s 1.8m/s
06:00
0% 5.7°C 0mm 96% 0cm 11° 6.4°C 2.3mm 0.04kPa 1322m 2.8m/s 2.1m/s
07:00
0% 5.9°C 0mm 95% 0cm 17° 6.6°C 0.19mm 0.05kPa 1959m 4.3m/s 2.4m/s
08:00
1% 4.6°C 0mm 84% 0cm 23° 7.2°C 0.31mm 0.16kPa 24134m 5m/s 3.4m/s
09:00
1% 5.2°C 0mm 84% 0cm 30° 7.7°C 0.5mm 0.16kPa 23552m 4.7m/s 3.2m/s
10:00
1% 5.3°C 0mm 82% 0cm 36° 8.1°C 0.75mm 0.19kPa 14894m 4.1m/s 3.2m/s
11:00
0% 5.1°C 0mm 76% 0cm 42° 9.1°C 1.1mm 0.28kPa 20190m 4.5m/s 3.4m/s
12:00
0% 5.3°C 0.14mm 77% 0cm 46° 9.1°C 1.4mm 0.27kPa 13586m 4.8m/s 4.1m/s
13:00
0% 6.1°C 0.81mm 89% 0cm 48° 7.8°C 0.81mm 0.12kPa 8736m 4.9m/s 4m/s
14:00
0% 6.1°C 0.68mm 93% 0cm 48° 7.1°C 1.8mm 0.07kPa 10009m 5.8m/s 3.5m/s
15:00
0% 5.3°C 0.43mm 89% 0cm 45° 6.9°C 2.5mm 0.11kPa 15214m 4.4m/s 2.5m/s
16:00
0% 5.2°C 0.51mm 90% 0cm 41° 6.8°C 3.1mm 0.1kPa 13502m 3.1m/s 1.4m/s
17:00
0% 5.4°C 0.42mm 91% 0cm 36° 6.7°C 3.6mm 0.09kPa 14601m 2.5m/s 1.4m/s
18:00
0% 5.6°C 0.68mm 93% 0cm 30° 6.7°C 4.3mm 0.07kPa 11094m 2.4m/s 1.3m/s
19:00
1% 5.6°C 0.71mm 93% 0cm 23° 6.6°C 0.81mm 0.07kPa 11368m 1.6m/s 1.2m/s
20:00
3% 5.5°C 0.78mm 93% 0cm 17° 6.5°C 1.6mm 0.06kPa 10753m 1.1m/s 0.91m/s
21:00
4% 5.4°C 0.64mm 93% 0cm 11° 6.5°C 2.4mm 0.07kPa 13089m 0.9m/s 0.85m/s
22:00
3% 5.3°C 0.26mm 92% 0cm 5.5° 6.5°C 2.9mm 0.08kPa 24135m 1m/s 0.86m/s
23:00
3% 5.2°C 0.2mm 92% 0cm 1.5° 6.5°C 3.1mm 0.08kPa 24135m 1m/s 0.94m/s
Fri, Jul 10 Sunrise 03:21 Sunset 23:33
24:00 ☾
2% 5.1°C 0.2mm 92% 0cm -1.7° 6.4°C 3.3mm 0.08kPa 24135m 0.62m/s 0.54m/s
01:00 ☾
9% 5.1°C 0.08mm 92% 0cm -3.3° 6.4°C 0.13mm 0.08kPa 24135m 0.51m/s 0.39m/s
02:00 ☾
16% 5.2°C 0.01mm 92% 0cm -3.2° 6.5°C 0.19mm 0.08kPa 24135m 1.1m/s 1.1m/s
03:00 ☾
23% 5.3°C 0.01mm 92% 0cm -1.5° 6.5°C 0.19mm 0.08kPa 24134m 0.94m/s 1m/s
04:00
24% 5.2°C 0mm 91% 0cm 1.7° 6.6°C 0.19mm 0.09kPa 24135m 1.2m/s 1.2m/s
05:00
24% 5.2°C 0mm 91% 0cm 5.8° 6.5°C 0.19mm 0.08kPa 24134m 1m/s 1m/s
06:00
25% 5.3°C 0mm 88% 0cm 11° 7.2°C 0.19mm 0.12kPa 24135m 1.2m/s 1.1m/s
07:00
31% 5.2°C 0mm 83% 0cm 17° 7.8°C 0mm 0.18kPa 24134m 1.6m/s 1.1m/s
08:00
38% 5.3°C 0mm 79% 0cm 23° 8.8°C 0mm 0.24kPa 24134m 2m/s 1.4m/s
09:00
44% 4.6°C 0mm 70% 0cm 30° 9.8°C 0.06mm 0.36kPa 24135m 3m/s 2.2m/s
10:00
41% 3.9°C 0mm 63% 0cm 36° 11°C 0.13mm 0.47kPa 24134m 4.2m/s 3.5m/s
11:00
39% 3.7°C 0mm 60% 0cm 41° 11°C 0.13mm 0.53kPa 24134m 5.5m/s 5.6m/s
12:00
36% 3.6°C 0mm 58% 0cm 46° 12°C 0.19mm 0.57kPa 24134m 6m/s 5.8m/s
13:00
30% 3.8°C 0mm 58% 0cm 48° 12°C 0mm 0.59kPa 24135m 6.4m/s 5.9m/s
14:00
24% 3.7°C 0mm 60% 0cm 48° 11°C 0.06mm 0.54kPa 24134m 6.3m/s 6.1m/s
15:00
18% 4.5°C 0mm 64% 0cm 45° 11°C 0.06mm 0.48kPa 24134m 6.7m/s 6.5m/s
16:00
17% 5.6°C 0mm 70% 0cm 41° 11°C 0.13mm 0.38kPa 24135m 7m/s 6.2m/s
17:00
16% 5.3°C 0mm 67% 0cm 36° 11°C 0.19mm 0.43kPa 24135m 6.6m/s 5.9m/s
18:00
15% 5.9°C 0mm 74% 0cm 29° 10°C 0.19mm 0.33kPa 24135m 7.4m/s 6.2m/s
19:00
17% 6.9°C 0.01mm 81% 0cm 23° 9.9°C 0.23mm 0.23kPa 24135m 7.7m/s 5.3m/s
20:00
20% 7.7°C 0.02mm 89% 0cm 17° 9.4°C 0.27mm 0.13kPa 24135m 8m/s 4.4m/s
21:00
22% 8.4°C 0.03mm 96% 0cm 11° 8.9°C 0.31mm 0.04kPa 24135m 8.3m/s 3.4m/s
22:00
18% 8.5°C 0.02mm 95% 0cm 5.4° 9.2°C 0.33mm 0.06kPa 24135m 8.2m/s 3.5m/s
23:00
15% 8.5°C 0.02mm 94% 0cm 1.4° 9.4°C 0.35mm 0.07kPa 24135m 8.1m/s 3.5m/s
Sat, Jul 11 Sunrise 03:24 Sunset 23:30
24:00 ☾
11% 8.6°C 0.01mm 93% 0cm -1.8° 9.7°C 0.38mm 0.08kPa 24135m 7.9m/s 3.6m/s
01:00 ☾
7% 8.9°C 0.01mm 93% 0cm -3.4° 9.9°C 0.27mm 0.09kPa 24135m 7.9m/s 3.8m/s
02:00 ☾
4% 9.1°C 0.02mm 93% 0cm -3.4° 10°C 0.17mm 0.09kPa 24135m 7.9m/s 4m/s
03:00 ☾
0% 9.3°C 0.02mm 93% 0cm -1.7° 10°C 0.06mm 0.09kPa 24135m 7.9m/s 4.1m/s
04:00
0% 9.6°C 0.01mm 90% 0cm 1.5° 11°C 0.08mm 0.14kPa 24135m 7.4m/s 4.4m/s
05:00
0% 9.9°C 0.007mm 87% 0cm 5.6° 12°C 0.1mm 0.18kPa 24135m 6.8m/s 4.6m/s
06:00
0% 10°C 0mm 84% 0cm 11° 13°C 0.13mm 0.24kPa 24135m 6.2m/s 4.8m/s
07:00
0% 10°C 0mm 84% 0cm 17° 13°C 0.1mm 0.24kPa 24135m 6.4m/s 5m/s
08:00
0% 11°C 0mm 84% 0cm 23° 13°C 0.08mm 0.24kPa 24135m 6.5m/s 5.2m/s
09:00
0% 11°C 0mm 84% 0cm 30° 13°C 0.06mm 0.24kPa 24135m 6.6m/s 5.4m/s
10:00
0% 10°C 0mm 86% 0cm 36° 13°C 0.06mm 0.21kPa 24135m 6.4m/s 5m/s
11:00
0% 10°C 0mm 87% 0cm 41° 12°C 0.06mm 0.19kPa 24135m 6.2m/s 4.7m/s
12:00
0% 10°C 0mm 88% 0cm 45° 12°C 0.06mm 0.16kPa 24135m 6m/s 4.3m/s
13:00
0% 10°C 0mm 90% 0cm 48° 12°C 0.04mm 0.14kPa 24135m 6.2m/s 4.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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