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Rule Fog Hunter

Mývatn - Fog Hunter - Iceland

Reykjahlíð, Northeast, Iceland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
64%
Dewpoint Spread0.6°C
Visibility15306 (Clear)
Relative Humidity96%
Wind Speed2.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Reykjavik
Next opportunity
Dense Fog (lingering)
Mývatn
Tomorrow · 02:00–03:00 · 1h window
High confidence
78%
🌫️Fog Probability100%
Dewpoint Spread: 0.4°C
Visibility: 477 (Fog)
Relative Humidity: 97%
Wind Speed: 1.9m/s (calm conditions)
fog weather icon
Dense Fog (lingering)
Mývatn
Thu, Feb 12 · 12:00–15:00
🌫️Fog Probability:100%
Medium
fog weather icon
Dense Fog (lingering) at Sunset
Mývatn
Thu, Feb 12 · 15:00–16:00
🌫️Fog Probability:100%
Medium

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72-hour requirements breakdown

What passed or failed, hour by hour
1matching hours in the next 72 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Reykjavik
Fog Probability
≥ 85.0%
Dewpoint Spread
≤ 2.0°C
Visibility
≤ 3000.0m
Wind Speed
≤ 2.0m/s
Sat, Feb 7
18:0064%0.5°C15842m2.8m/s
19:0064%0.6°C15306m2.7m/s
20:0075%0.4°C11014m2.4m/s
21:0083%0.4°C8538m2.3m/s
22:0083%0.3°C8420m2.1m/s
23:0083%0.4°C6618m2m/s
Sun, Feb 8
24:0094%0.3°C4128m1.9m/s
01:00100%0.2°C1678m2m/s
02:00100%0.4°C477m1.9m/s
03:0058%0.3°C126m1.2m/s
04:0058%0.4°C149m0.55m/s
05:0058%0.3°C129m0.68m/s
06:000%0.4°C123m0.66m/s
07:0058%0.4°C187m0.54m/s
08:0058%0.3°C239m0.87m/s
09:0058%0.4°C137m0.86m/s
10:000%0.4°C95m1m/s
11:000%0.5°C137m0.89m/s
12:000%0.5°C373m0.64m/s
13:0058%0.4°C177m1m/s
14:0058%0.4°C254m1.9m/s
15:0060%0.3°C115m2.7m/s
16:0063%0.2°C71m3.2m/s
17:0058%0.4°C628m2.9m/s
18:000%0.3°C198m3.1m/s
19:00100%0.3°C243m3.8m/s
20:0058%0.4°C822m3.8m/s
21:0057%0.7°C315m4m/s
22:0041%0.3°C206m4.1m/s
23:0035%0.3°C131m4.6m/s
Mon, Feb 9
24:000%0.3°C71m5.3m/s
01:000%0.3°C56m6.6m/s
02:000%0.4°C62m7.4m/s
03:000%0.4°C54m8.3m/s
04:000%0.4°C59m7.9m/s
05:000%0.4°C66m7.8m/s
06:000%0.4°C66m7.6m/s
07:000%0.3°C46m7.5m/s
08:000%0.3°C34m8.2m/s
09:000%0.3°C33m8.2m/s
10:000%0.3°C34m8.3m/s
11:000%0.3°C35m8.2m/s
12:000%0.3°C37m8m/s
13:000%0.4°C38m7.7m/s
14:000%0.4°C36m7.5m/s
15:000%0.4°C31m7.4m/s
16:000%0.4°C31m7.3m/s
17:000%0.3°C36m7.5m/s
18:000%0.4°C49m7.6m/s
19:000%0.4°C50m8.1m/s
20:000%0.4°C52m9.2m/s
21:000%0.5°C226m9.9m/s
22:000%0.9°C4617m10m/s
23:000%1.1°C6732m10m/s
Tue, Feb 10
24:000%1.3°C14991m10m/s
01:000%1.4°C14918m8.7m/s
02:000%1.5°C14844m7m/s
03:000%1.6°C14771m5.4m/s
04:000%1.7°C14766m5.7m/s
05:000%1.7°C14760m6m/s
06:000%1.7°C14755m6.3m/s
07:000%1.7°C12309m6.6m/s
08:000%1.7°C9864m6.9m/s
09:000%1.8°C7419m7.2m/s
10:000%2°C12991m7.5m/s
11:000%2.1°C18563m7.8m/s
12:000%2.3°C24135m8.1m/s
13:000%2.1°C22665m7.2m/s
14:000%1.9°C21194m6.2m/s
15:000%1.7°C19723m5.2m/s
16:000%1.1°C13405m4.6m/s
17:0081%0.6°C7086m3.9m/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
Atlantic/Reykjavik
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Wind Gusts
m/s
Sat, Feb 7 Sunrise 09:40 Sunset 17:04
19:00 ☾
-13°C 0mm 96% 0cm -13°C 0mm 0.01kPa 2.6m/s
20:00 ☾
-13°C 0mm 96% 0cm -13°C 0mm 0.01kPa 2.3m/s
21:00 ☾
-13°C 0mm 97% 0cm -13°C 0mm 0.01kPa 2.2m/s
22:00 ☾
-13°C 0mm 97% 0cm -13°C 0mm 0.01kPa 2m/s
23:00 ☾
-12°C 0mm 97% 0cm -12°C 0mm 0.01kPa 2m/s
Sun, Feb 8 Sunrise 09:36 Sunset 17:08
24:00 ☾
-11°C 0.01mm 98% 0cm -11°C 0mm 0.01kPa 1.8m/s
01:00 ☾
-11°C 0.02mm 98% 0cm -11°C 0mm 0.01kPa 1.9m/s
02:00 ☾
-10°C 0.08mm 97% 0cm -9.8°C 0.06mm 0.01kPa 1.8m/s
03:00 ☾
-8.4°C 0.33mm 98% 0.33cm -8.1°C 0.38mm 0.01kPa 1.2m/s
04:00 ☾
-6.8°C 0.27mm 96% 0.27cm -6.4°C 0.69mm 0.01kPa 0.51m/s
05:00 ☾
-7.1°C 0.32mm 97% 0.32cm -6.8°C 0.94mm 0.01kPa 0.72m/s
06:00 ☾
-6.4°C 0.38mm 97% 0.38cm -6°C 1.3mm 0.01kPa 0.7m/s
07:00 ☾
-6.1°C 0.27mm 97% 0.27cm -5.7°C 0.38mm 0.01kPa 0.62m/s
08:00 ☾
-5.9°C 0.16mm 97% 0.16cm -5.6°C 0.63mm 0.01kPa 0.92m/s
09:00 ☾
-6°C 0.33mm 97% 0.33cm -5.6°C 0.88mm 0.01kPa 1m/s
10:00
-6°C 0.85mm 97% 0.85cm -5.6°C 1.5mm 0.01kPa 0.8m/s
11:00
-5.8°C 0.56mm 97% 0.56cm -5.3°C 2.3mm 0.01kPa 0.71m/s
12:00
-5.4°C 0.1mm 96% 0.1cm -4.9°C 2.4mm 0.02kPa 0.7m/s
13:00
-4.6°C 0.21mm 97% 0.21cm -4.2°C 0.19mm 0.02kPa 1.5m/s
14:00
-3.6°C 0.11mm 97% 0.11cm -3.2°C 0.31mm 0.01kPa 3m/s
15:00
-2.5°C 0.14mm 98% 0.14cm -2.2°C 0.5mm 0.01kPa 4.9m/s
16:00
-1.8°C 0.16mm 98% 0.16cm -1.6°C 0.69mm 0.01kPa 6.4m/s
17:00
-2.1°C 0.05mm 97% 0cm -1.7°C 0.88mm 0.02kPa 5.4m/s
18:00 ☾
-2.1°C 0.16mm 98% 0.16cm -1.8°C 1mm 0.01kPa 5.2m/s
19:00 ☾
-2°C 0.11mm 98% 0.11cm -1.7°C 0.19mm 0.01kPa 6.2m/s
20:00 ☾
-2°C 0.03mm 97% 0cm -1.6°C 0.25mm 0.02kPa 5.7m/s
21:00 ☾
-2°C 0.11mm 95% 0.12cm -1.3°C 0.31mm 0.03kPa 7.2m/s
22:00 ☾
-1.7°C 0.24mm 98% 0.24cm -1.4°C 0.5mm 0.01kPa 7.5m/s
23:00 ☾
-1.5°C 0.25mm 98% 0.25cm -1.2°C 0.75mm 0.01kPa 9.8m/s
Mon, Feb 9 Sunrise 09:32 Sunset 17:11
24:00 ☾
-1.3°C 0.44mm 98% 0.44cm -0.99°C 1.1mm 0.01kPa 11m/s
01:00 ☾
-1.2°C 0.43mm 98% 0.43cm -0.89°C 0.44mm 0.01kPa 12m/s
02:00 ☾
-1.3°C 0.39mm 98% 0.39cm -0.94°C 0.88mm 0.01kPa 13m/s
03:00 ☾
-1.4°C 0.36mm 98% 0.36cm -1°C 1.3mm 0.01kPa 13m/s
04:00 ☾
-1.5°C 0.37mm 98% 0.37cm -1.1°C 1.7mm 0.01kPa 13m/s
05:00 ☾
-1.5°C 0.37mm 98% 0.37cm -1.1°C 2.1mm 0.01kPa 13m/s
06:00 ☾
-1.4°C 0.45mm 98% 0.45cm -1°C 2.6mm 0.01kPa 14m/s
07:00 ☾
-1.1°C 0.56mm 98% 0.56cm -0.77°C 0.56mm 0.01kPa 14m/s
08:00 ☾
-1°C 0.36mm 98% 0.36cm -0.69°C 1mm 0.01kPa 14m/s
09:00 ☾
-1°C 0.34mm 98% 0.34cm -0.68°C 1.3mm 0.01kPa 14m/s
10:00
-1°C 0.33mm 98% 0.33cm -0.7°C 1.6mm 0.01kPa 15m/s
11:00
-1°C 0.31mm 98% 0.31cm -0.67°C 1.9mm 0.01kPa 15m/s
12:00
-0.9°C 0.31mm 98% 0.31cm -0.59°C 2.3mm 0.01kPa 14m/s
13:00
-0.8°C 0.21mm 97% 0.21cm -0.41°C 0.25mm 0.02kPa 14m/s
14:00
-0.7°C 0.15mm 97% 0.15cm -0.35°C 0.38mm 0.02kPa 13m/s
15:00
-0.7°C 0.18mm 98% 0.18cm -0.33°C 0.5mm 0.01kPa 13m/s
16:00
-0.6°C 0.18mm 97% 0.18cm -0.23°C 0.69mm 0.02kPa 13m/s
17:00
-0.7°C 0.17mm 98% 0.17cm -0.39°C 0.81mm 0.01kPa 13m/s
18:00 ☾
-0.8°C 0.08mm 97% 0.08cm -0.45°C 0.94mm 0.02kPa 14m/s
19:00 ☾
-0.8°C 0.05mm 97% 0.05cm -0.35°C 0.06mm 0.02kPa 14m/s
20:00 ☾
-0.8°C 0.05mm 97% 0.05cm -0.35°C 0.06mm 0.02kPa 15m/s
21:00 ☾
-1.1°C 0.03mm 96% 0cm -0.59°C 0.13mm 0.02kPa 16m/s
22:00 ☾
-1.6°C 0.02mm 94% 0cm -0.71°C 0.19mm 0.04kPa 17m/s
23:00 ☾
-1.9°C 0.02mm 92% 0cm -0.79°C 0.19mm 0.05kPa 17m/s
Tue, Feb 10 Sunrise 09:29 Sunset 17:15
24:00 ☾
-2.5°C 0.01mm 91% 0cm -1.2°C 0.19mm 0.05kPa 17m/s
01:00 ☾
-3.3°C 0.02mm 90% 0cm -1.9°C 0.17mm 0.05kPa 14m/s
02:00 ☾
-4.1°C 0.04mm 89% 0cm -2.6°C 0.15mm 0.05kPa 12m/s
03:00 ☾
-4.9°C 0.05mm 89% 0cm -3.3°C 0.13mm 0.05kPa 9.3m/s
04:00 ☾
-4.6°C 0.05mm 88% 0cm -2.9°C 0.19mm 0.06kPa 10m/s
05:00 ☾
-4.3°C 0.05mm 88% 0cm -2.6°C 0.25mm 0.06kPa 11m/s
06:00 ☾
-4°C 0.05mm 88% 0cm -2.3°C 0.31mm 0.06kPa 12m/s
07:00 ☾
-3.7°C 0.05mm 88% 0cm -2°C 0.27mm 0.06kPa 13m/s
08:00 ☾
-3.4°C 0.04mm 88% 0cm -1.7°C 0.23mm 0.07kPa 14m/s
09:00 ☾
-3.1°C 0.04mm 88% 0cm -1.3°C 0.19mm 0.07kPa 14m/s
10:00
-4°C 0.03mm 87% 0cm -2°C 0.21mm 0.07kPa 15m/s
11:00
-4.8°C 0.01mm 85% 0cm -2.7°C 0.23mm 0.07kPa 15m/s
12:00
-5.7°C 0mm 84% 0cm -3.4°C 0.25mm 0.07kPa 16m/s
13:00
-6.4°C 0.003mm 85% 0cm -4.3°C 0.17mm 0.06kPa 13m/s
14:00
-7.1°C 0.007mm 87% 0cm -5.2°C 0.08mm 0.06kPa 11m/s
15:00
-7.8°C 0.01mm 88% 0cm -6.1°C 0mm 0.05kPa 8.2m/s
16:00
-9.1°C 0.02mm 91% 0cm -8°C 0.02mm 0.03kPa 6.8m/s
17:00
-10°C 0.04mm 95% 0cm -9.9°C 0.04mm 0.01kPa 5.4m/s
18:00 ☾
-12°C 0.05mm 99% 0cm -12°C 0.06mm 0kPa 4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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