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Rule Fog Hunter

Misty Hallstatt

Austria

Thick, moody fog for atmospheric forest and landscape shots

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Vienna
Next opportunity
Dense Fog (lingering, sunbreaks)
Sat, Jan 17 · 13:00–14:00 · 1h window
Medium confidence
59%
Dense Fog (lingering)
Mon, Jan 19 · 13:00–15:00
Medium
Dense Fog (lingering) at Sunset
Mon, Jan 19 · 15:00–18:00
Medium
Dense Fog (lingering)
Tue, Jan 20 · 22:00–07:00
Low
Dense Fog (lingering) at Sunrise
Wed, Jan 21 · 07:00–08:00
Medium

What this forecast looks for

Plain-language explanation from the rule

Fog Hunter detects atmospheric conditions ideal for moody photography:

  • Fog Probability: Based on humidity, temperature, and dewpoint spread
  • Visibility: Looking for that ethereal, limited visibility effect
  • Wind Speed: Calm conditions help fog form and persist
  • Dewpoint Spread: When air temperature approaches dewpoint, fog forms

Perfect for forest scenes, mountain valleys, and atmospheric landscapes.

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Get notified when these conditions match at your own locations.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 72 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Vienna
Fog Probability
≥ 85.0%
Dewpoint Spread
≤ 2.0°C
Visibility
≤ 3000.0m
Wind Speed
≤ 2.0m/s
Fri, Jan 9
07:000%0.7°C4680m1.4m/s
08:000%0.7°C5880m1m/s
09:000%0.7°C5080m1.7m/s
10:0038%0.9°C6460m1.6m/s
11:0034%0.9°C6520m1.9m/s
12:0034%0.9°C6820m0.78m/s
13:000%1.6°C18180m1.2m/s
14:000%2.1°C24740m1.2m/s
15:000%2.1°C26420m0.58m/s
16:0038%0.9°C7840m0.22m/s
17:0038%0.9°C5220m0.2m/s
18:0049%0.3°C2580m0.76m/s
19:0092%0.7°C4200m0.4m/s
20:000%1.6°C14560m0.51m/s
21:000%1.6°C19040m0.71m/s
22:000%2.1°C26700m1m/s
23:000%1.3°C14500m0.91m/s
Sat, Jan 10
24:000%1.2°C12140m0.64m/s
01:000%1.8°C23040m0.61m/s
02:000%2.3°C30160m1.3m/s
03:000%2.4°C29060m1.8m/s
04:000%1°C9880m1.5m/s
05:0076%1°C9740m1.5m/s
06:0076%0.9°C6620m1.6m/s
07:0081%0.7°C6180m1.5m/s
08:0040%0.7°C6040m1.5m/s
09:0038%0.9°C5520m1.9m/s
10:0046%0.7°C2460m2m/s
11:0053%0.3°C320m2.3m/s
12:0083%0.4°C2380m2.3m/s
13:0081%0.7°C4560m2.4m/s
14:0090%0.6°C1160m2.7m/s
15:0044%0.9°C2060m3.1m/s
16:000%1.8°C6040m4.7m/s
17:000%1.1°C5020m3.5m/s
18:000%1.3°C11300m2.7m/s
19:0046%0.6°C4940m2.1m/s
20:0060%0.3°C500m2.6m/s
21:0060%0.1°C360m2.5m/s
22:0060%0.3°C400m3.1m/s
23:000%1°C9840m4.2m/s
Sun, Jan 11
24:000%2°C24140m2.9m/s
01:000%1.1°C12060m2m/s
02:0046%0.7°C3730m2.1m/s
03:0046%0.7°C2740m1.5m/s
04:0042%1.1°C2870m2.3m/s
05:0040%1.7°C2580m2.1m/s
06:000%1.7°C4240m1.6m/s
07:000%1.5°C6460m1.2m/s
08:000%1.5°C7340m0.92m/s
09:000%1.5°C14000m0.81m/s
10:000%2.6°C28160m1m/s
11:000%3.9°C47480m1.4m/s
12:000%4.4°C51460m1.8m/s
13:000%4.1°C22020m1.8m/s
14:000%3.7°C35520m1.6m/s
15:000%3.1°C20940m1.5m/s
16:000%3.2°C34340m1.6m/s
17:000%3.5°C45180m1.6m/s
18:000%3.8°C46940m1.7m/s
19:000%4.2°C49880m1.5m/s
20:000%4.8°C59140m1.5m/s
21:000%5.2°C64600m1.5m/s
22:000%5.5°C67160m1.5m/s
23:000%5.7°C68860m1.5m/s
Mon, Jan 12
24:000%5.9°C69800m1.4m/s
01:000%5.9°C72400m1.3m/s
02:000%4.9°C65480m1.4m/s
03:000%5.1°C56540m1.4m/s
04:000%6.3°C65260m1.4m/s
05:000%7.4°C70700m1.1m/s
06:000%7.2°C69240m1.2m/s
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
Europe/Vienna
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Wind Gusts
m/s
Fri, Jan 9 Sunrise 07:52 Sunset 16:33
08:00
0.6°C 0.9mm 95% 0cm 1.3°C 1mm 0.03kPa 2.2m/s
09:00
2.1°C 1.4mm 95% 0cm 2.8°C 1.4mm 0.04kPa 2.8m/s
10:00
2.3°C 0.6mm 94% 0cm 3.2°C 0.6mm 0.05kPa 3.2m/s
11:00
2.5°C 0.2mm 94% 0cm 3.4°C 0.2mm 0.05kPa 3.6m/s
12:00
2.6°C 0.1mm 94% 0cm 3.5°C 0.2mm 0.05kPa 2.6m/s
13:00
2.3°C 0mm 89% 0cm 3.9°C 0mm 0.09kPa 1.7m/s
14:00
1.9°C 0mm 86% 0cm 4°C 0mm 0.11kPa 2.1m/s
15:00
2°C 0mm 86% 0cm 4.1°C 0.1mm 0.11kPa 1.9m/s
16:00
2.2°C 0.5mm 94% 0cm 3.1°C 0.5mm 0.05kPa 1.8m/s
17:00
2.1°C 0.4mm 94% 0cm 3°C 0.5mm 0.05kPa 1.9m/s
18:00
2.2°C 0.9mm 98% 0cm 2.5°C 0.8mm 0.01kPa 2m/s
19:00
1.9°C 0mm 95% 0cm 2.6°C 0.1mm 0.04kPa 1.1m/s
20:00
1.2°C 0.1mm 89% 0cm 2.8°C 0.1mm 0.08kPa 1.4m/s
21:00
1.2°C 0.1mm 89% 0cm 2.8°C 0.1mm 0.08kPa 2.2m/s
22:00
0.7°C 0mm 86% 0cm 2.8°C 0mm 0.1kPa 2.1m/s
23:00
1.2°C 0mm 91% 0cm 2.5°C 0mm 0.07kPa 3.2m/s
Sat, Jan 10 Sunrise 07:52 Sunset 16:33
24:00
1.1°C 0mm 92% 0cm 2.3°C 0mm 0.06kPa 2.5m/s
01:00
0.4°C 0mm 88% 0cm 2.2°C 0mm 0.09kPa 0.7m/s
02:00
-0.3°C 0mm 85% 0cm 2°C 0mm 0.11kPa 1.7m/s
03:00
-0.5°C 0mm 84% 0cm 1.9°C 0mm 0.11kPa 4.9m/s
04:00
0.7°C 0mm 93% 0cm 1.7°C 0.1mm 0.05kPa 4.6m/s
05:00
0.4°C 0mm 93% 0cm 1.4°C 0mm 0.05kPa 3.7m/s
06:00
0.4°C 0mm 94% 0cm 1.3°C 0mm 0.04kPa 2.9m/s
07:00
0.4°C 0mm 95% 0.07cm 1.1°C 0.1mm 0.03kPa 2.5m/s
08:00
0.4°C 0mm 95% 0.21cm 1.1°C 0.3mm 0.03kPa 2.8m/s
09:00
0.2°C 0mm 94% 0.28cm 1.1°C 0.4mm 0.04kPa 3.2m/s
10:00
0.6°C 0mm 95% 0.28cm 1.3°C 0.4mm 0.03kPa 3.7m/s
11:00
1°C 0mm 98% 0.28cm 1.3°C 0.4mm 0.01kPa 4.1m/s
12:00
0.9°C 0mm 97% 0.07cm 1.3°C 0.1mm 0.02kPa 4m/s
13:00
0.6°C 0mm 95% 0.07cm 1.3°C 0.1mm 0.03kPa 4.6m/s
14:00
0.5°C 0mm 96% 0.07cm 1.1°C 0.1mm 0.03kPa 6.7m/s
15:00
0.1°C 0mm 94% 0.56cm 1°C 0.9mm 0.04kPa 6.1m/s
16:00
-0.9°C 0mm 88% 0.42cm 0.9°C 0.6mm 0.08kPa 9.3m/s
17:00
-0.8°C 0mm 92% 0.28cm 0.3°C 0.4mm 0.05kPa 8.6m/s
18:00
-1.2°C 0mm 91% 0.35cm 0.1°C 0.5mm 0.06kPa 6.1m/s
19:00
-1°C 0mm 96% 0.28cm -0.4°C 0.4mm 0.02kPa 5.2m/s
20:00
-0.8°C 0mm 98% 0.28cm -0.5°C 0.4mm 0.01kPa 4.5m/s
21:00
-0.7°C 0mm 99% 0.28cm -0.6°C 0.4mm 0.01kPa 4.4m/s
22:00
-0.7°C 0mm 98% 0.56cm -0.4°C 0.8mm 0.01kPa 5.3m/s
23:00
-1.7°C 0mm 93% 0.42cm -0.7°C 0.6mm 0.04kPa 8.3m/s
Sun, Jan 11 Sunrise 07:51 Sunset 16:34
24:00
-3.2°C 0mm 86% 0cm -1.2°C 0mm 0.08kPa 7.6m/s
01:00
-2.8°C 0mm 92% 0.02cm -1.7°C 0.03mm 0.04kPa 4.6m/s
02:00
-3.1°C 0mm 95% 0.15cm -2.4°C 0.21mm 0.03kPa 3.9m/s
03:00
-3.7°C 0mm 95% 0.25cm -3°C 0.41mm 0.02kPa 3.3m/s
04:00
-4.7°C 0mm 92% 0.35cm -3.6°C 0.58mm 0.04kPa 4.3m/s
05:00
-6.4°C 0mm 88% 0.49cm -4.7°C 0.8mm 0.05kPa 4.8m/s
06:00
-7.5°C 0mm 88% 0.35cm -5.8°C 0.5mm 0.05kPa 4.8m/s
07:00
-8°C 0mm 89% 0.21cm -6.5°C 0.3mm 0.04kPa 3.7m/s
08:00
-8.5°C 0mm 89% 0.14cm -7°C 0.2mm 0.04kPa 2.8m/s
09:00
-8.8°C 0mm 89% 0.07cm -7.3°C 0.1mm 0.04kPa 2.3m/s
10:00
-9°C 0mm 82% 0cm -6.4°C 0mm 0.07kPa 2.6m/s
11:00
-9.5°C 0mm 74% 0cm -5.6°C 0mm 0.1kPa 3.5m/s
12:00
-9.5°C 0mm 71% 0cm -5.1°C 0mm 0.12kPa 4.3m/s
13:00
-9.3°C 0mm 73% 0cm -5.2°C 0mm 0.11kPa 4.4m/s
14:00
-8.8°C 0mm 75% 0cm -5.1°C 0mm 0.1kPa 4.1m/s
15:00
-8.4°C 0mm 79% 0.07cm -5.3°C 0.1mm 0.09kPa 3.7m/s
16:00
-8.7°C 0mm 78% 0cm -5.5°C 0.1mm 0.09kPa 3.6m/s
17:00
-9.6°C 0mm 76% 0cm -6.1°C 0mm 0.09kPa 3.2m/s
18:00
-11°C 0mm 74% 0cm -6.8°C 0mm 0.1kPa 3.2m/s
19:00
-12°C 0mm 72% 0cm -7.8°C 0mm 0.1kPa 3.1m/s
20:00
-14°C 0mm 68% 0cm -8.8°C 0mm 0.1kPa 2.4m/s
21:00
-14°C 0mm 66% 0cm -9.1°C 0mm 0.1kPa 1.9m/s
22:00
-15°C 0mm 64% 0cm -9.5°C 0mm 0.11kPa 1.8m/s
23:00
-16°C 0mm 63% 0cm -9.9°C 0mm 0.11kPa 2.1m/s
Mon, Jan 12 Sunrise 07:51 Sunset 16:35
24:00
-16°C 0mm 62% 0cm -10°C 0mm 0.11kPa 2.1m/s
01:00
-16°C 0mm 62% 0cm -10°C 0mm 0.11kPa 2.2m/s
02:00
-16°C 0mm 67% 0cm -11°C 0mm 0.09kPa 2.1m/s
03:00
-19°C 0mm 65% 0cm -14°C 0mm 0.07kPa 2.8m/s
04:00
-20°C 0mm 59% 0cm -13°C 0mm 0.09kPa 2.3m/s
05:00
-19°C 0mm 54% 0cm -12°C 0mm 0.11kPa 2.1m/s
06:00
-19°C 0mm 55% 0cm -11°C 0mm 0.11kPa 2.3m/s
07:00
-17°C 0mm 59% 0cm -11°C 0mm 0.11kPa 2.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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