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Rule Fog Hunter

Rovaniemi - Fog Hunter - Finnish Lapland

Rovaniemi, Lapland, Finland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Fog Probability
46%
Dewpoint Spread0.9°C
Visibility268 (Fog)
Relative Humidity94%
Wind Speed3.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki
fog weather icon
Next opportunity
Moderate Fog
Rovaniemi
Fri, Apr 24 · 01:00–02:00 · 1h window
Low confidence
38%
🌫️Fog Probability61.4%
Dewpoint Spread: 0.6°C
Visibility: 24135 (Clear)
Relative Humidity: 96%
Wind Speed: 1.8m/s (calm conditions)
fog weather icon
Moderate Fog
Rovaniemi
Tue, Apr 28 · 19:00–20:00
🌫️Fog Probability:66.7%
Low
fog weather icon
Dense Fog at Sunset
Rovaniemi
Tue, Apr 28 · 20:00–23:00
🌫️Fog Probability:88.6-97.3%
High
fog weather icon
Dense Fog at Dusk
Rovaniemi
Tue, Apr 28 · 23:00–24:00
🌫️Fog Probability:88.6%
Medium
fog weather icon
Moderate Fog
Rovaniemi
Wed, Apr 29 · 24:00–01:00
🌫️Fog Probability:78.4%
Medium
fog weather icon
Moderate Fog
Rovaniemi
Wed, Apr 29 · 19:00–20:00
🌫️Fog Probability:60.7%
Low

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72-hour requirements breakdown

What passed or failed, hour by hour
2matching hours in the next 86 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 60.0%
Tue, Apr 21
07:0063%
08:0038%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0028%
22:0046%
23:0038%
Wed, Apr 22
24:0032%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:009%
10:0019%
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, Apr 23
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%
21:000%
22:000%
23:0043%
Fri, Apr 24
24:0043%
01:0061%
02:0057%
03:0057%
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%
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/Helsinki
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
Tue, Apr 21 Sunrise 05:11 Sunset 21:22
22:00 ☾
2% 3.3°C 0mm 94% 0cm -3.6° 4.2°C 0mm 0.05kPa 268m 10m/s 3.1m/s
23:00 ☾
1% 2.8°C 0mm 95% 0cm -7.5° 3.6°C 0mm 0.04kPa 20950m 8.6m/s 3.2m/s
Wed, Apr 22 Sunrise 05:11 Sunset 21:22
24:00 ☾
0% 2°C 0mm 94% 0cm -10° 2.8°C 0mm 0.04kPa 24134m 9.3m/s 2.9m/s
01:00 ☾
0% 0.8°C 0mm 92% 0cm -11° 2°C 0mm 0.05kPa 24134m 11m/s 2.5m/s
02:00 ☾
0% 0.1°C 0mm 80% 0cm -11° 3.1°C 0mm 0.15kPa 24135m 14m/s 3.4m/s
03:00 ☾
0% -0.4°C 0mm 78% 0cm -9° 3.1°C 0mm 0.17kPa 24134m 13m/s 3.4m/s
04:00 ☾
0% -0.5°C 0mm 78% 0cm -5.7° 3°C 0mm 0.17kPa 24135m 14m/s 3.6m/s
05:00 ☾
0% -0.5°C 0mm 77% 0cm -1.2° 3.1°C 0mm 0.17kPa 24134m 12m/s 3m/s
06:00
0% -0.4°C 0mm 77% 0cm 4° 3.2°C 0mm 0.18kPa 24135m 13m/s 3.4m/s
07:00
0% -0.3°C 0mm 71% 0cm 9.7° 4.4°C 0.06mm 0.24kPa 24134m 14m/s 5.9m/s
08:00
0% 0.7°C 0.06mm 79% 0cm 16° 4°C 0.06mm 0.17kPa 20676m 12m/s 5.4m/s
09:00
0% 1.7°C 0.14mm 88% 0cm 21° 3.5°C 0.19mm 0.1kPa 671m 9.9m/s 4.9m/s
10:00
1% 2°C 0.1mm 94% 0.37cm 27° 2.8°C 0.31mm 0.04kPa 48m 8.3m/s 3.5m/s
11:00
1% 1.4°C 0mm 90% 0.25cm 31° 2.9°C 0.5mm 0.07kPa 4042m 12m/s 3.6m/s
12:00
2% -2°C 0mm 62% 0.21cm 34° 4.7°C 0.69mm 0.33kPa 3052m 18m/s 7.4m/s
13:00
1% -1.2°C 0.08mm 68% 0.46cm 36° 4.2°C 0.94mm 0.27kPa 2237m 18m/s 9.1m/s
14:00
1% -4.1°C 0mm 64% 0cm 35° 2°C 1.2mm 0.26kPa 24134m 11m/s 7.6m/s
15:00
0% -6°C 0mm 57% 0cm 33° 1.5°C 1.3mm 0.29kPa 24135m 20m/s 7.1m/s
16:00
3% -6.5°C 0mm 56% 0cm 29° 1.3°C 0mm 0.3kPa 24135m 18m/s 7.4m/s
17:00
5% -7.5°C 0mm 53% 0cm 24° 0.95°C 0mm 0.31kPa 24135m 12m/s 6.8m/s
18:00
8% -6.6°C 0mm 57% 0cm 19° 0.87°C 0mm 0.28kPa 24135m 11m/s 6.4m/s
19:00
6% -6.7°C 0mm 59% 0cm 13° 0.31°C 0mm 0.26kPa 24135m 12m/s 6.1m/s
20:00
5% -6.7°C 0mm 62% 0cm 7.1° -0.37°C 0mm 0.22kPa 24134m 13m/s 5.9m/s
21:00
3% -6.5°C 0mm 66% 0cm 1.8° -1°C 0.06mm 0.19kPa 24134m 13m/s 5.6m/s
22:00 ☾
23% -6.8°C 0mm 67% 0cm -3.3° -1.5°C 0mm 0.18kPa 24134m 12m/s 5.6m/s
23:00 ☾
43% -6.8°C 0mm 68% 0cm -7.2° -1.7°C 0mm 0.17kPa 24134m 13m/s 5.6m/s
Thu, Apr 23 Sunrise 05:07 Sunset 21:26
24:00 ☾
63% -6.5°C 0mm 70% 0cm -9.8° -1.8°C 0mm 0.16kPa 24135m 13m/s 5.5m/s
01:00 ☾
59% -6.2°C 0mm 72% 0cm -11° -1.9°C 0mm 0.15kPa 24135m 13m/s 5.1m/s
02:00 ☾
56% -5.8°C 0mm 74% 0cm -11° -1.9°C 0mm 0.14kPa 24135m 13m/s 4.8m/s
03:00 ☾
52% -5.6°C 0mm 74% 0cm -8.7° -1.7°C 0mm 0.14kPa 24134m 13m/s 4.7m/s
04:00 ☾
40% -5.3°C 0mm 75% 0cm -5.4° -1.5°C 0mm 0.13kPa 24135m 14m/s 4.9m/s
05:00 ☾
27% -4.9°C 0mm 78% 0cm -0.76° -1.5°C 0mm 0.12kPa 24135m 13m/s 4.7m/s
06:00
15% -4.6°C 0mm 78% 0cm 4.3° -1.3°C 0mm 0.12kPa 24135m 13m/s 4.4m/s
07:00
11% -4.2°C 0mm 75% 0cm 10° -0.39°C 0mm 0.15kPa 24135m 13m/s 4.5m/s
08:00
7% -3.3°C 0mm 74% 0cm 16° 0.83°C 0mm 0.17kPa 24135m 13m/s 5.2m/s
09:00
3% -2.4°C 0mm 73% 0cm 22° 1.9°C 0mm 0.19kPa 24135m 12m/s 5.7m/s
10:00
2% -1.8°C 0mm 72% 0.05cm 27° 2.7°C 0mm 0.2kPa 14285m 12m/s 5.9m/s
11:00
1% -2°C 0mm 67% 0.07cm 32° 3.5°C 0.06mm 0.26kPa 24134m 11m/s 6m/s
12:00
0% -2.2°C 0mm 64% 0.04cm 35° 3.9°C 0.13mm 0.29kPa 24135m 11m/s 5.6m/s
13:00
0% -2.3°C 0mm 63% 0cm 36° 4.1°C 0.19mm 0.3kPa 24135m 10m/s 5.8m/s
14:00
0% -2.2°C 0mm 63% 0.03cm 36° 4.2°C 0.19mm 0.31kPa 24135m 9.4m/s 5.7m/s
15:00
0% -2.1°C 0mm 62% 0cm 33° 4.4°C 0.25mm 0.31kPa 24134m 8.7m/s 5.2m/s
16:00
0% -1.9°C 0mm 64% 0.02cm 30° 4.4°C 0mm 0.3kPa 24135m 8.4m/s 5.2m/s
17:00
0% -1.7°C 0mm 66% 0cm 25° 4.2°C 0.06mm 0.28kPa 24135m 7.5m/s 4.5m/s
18:00
0% -1.4°C 0mm 68% 0cm 19° 4.1°C 0.06mm 0.26kPa 24134m 7.6m/s 4.1m/s
19:00
0% -0.8°C 0mm 73% 0cm 13° 3.6°C 0.06mm 0.21kPa 24135m 7.2m/s 3.6m/s
20:00
0% -0.5°C 0mm 79% 0cm 7.4° 2.8°C 0.06mm 0.16kPa 24134m 7.6m/s 3.2m/s
21:00
0% -0.3°C 0mm 84% 0cm 2° 2.1°C 0.06mm 0.11kPa 24134m 7.3m/s 2.6m/s
22:00 ☾
3% -0.3°C 0mm 90% 0cm -3° 1.1°C 0mm 0.06kPa 24134m 7m/s 2m/s
23:00 ☾
7% -0.7°C 0mm 94% 0cm -6.9° 0.25°C 0mm 0.04kPa 24134m 6.7m/s 2.1m/s
Fri, Apr 24 Sunrise 05:03 Sunset 21:30
24:00 ☾
10% -0.9°C 0mm 95% 0cm -9.5° -0.11°C 0mm 0.03kPa 24134m 6.3m/s 2m/s
01:00 ☾
10% -1.3°C 0mm 96% 0cm -11° -0.72°C 0mm 0.02kPa 24135m 4.2m/s 1.8m/s
02:00 ☾
9% -1.5°C 0mm 96% 0cm -10° -0.85°C 0mm 0.03kPa 24135m 3.3m/s 1.8m/s
03:00 ☾
9% -1.7°C 0mm 95% 0cm -8.3° -1.1°C 0mm 0.03kPa 24135m 1.6m/s 1.6m/s
04:00 ☾
13% -1.1°C 0mm 85% 0cm -5.1° 1.1°C 0mm 0.1kPa 24135m 2m/s 1.8m/s
05:00
18% -0.8°C 0mm 74% 0cm -0.29° 3.4°C 0mm 0.2kPa 24135m 2.3m/s 2m/s
06:00
22% -0.7°C 0mm 64% 0cm 4.7° 5.6°C 0mm 0.33kPa 24135m 2.7m/s 2.2m/s
07:00
22% -0.8°C 0mm 61% 0cm 10° 6°C 0mm 0.36kPa 24135m 3.3m/s 2.4m/s
08:00
22% -0.9°C 0mm 59% 0cm 16° 6.5°C 0mm 0.39kPa 24135m 3.8m/s 2.6m/s
09:00
22% -1°C 0mm 57% 0cm 22° 6.9°C 0mm 0.43kPa 24135m 4.3m/s 2.9m/s
10:00
17% -1.1°C 0mm 58% 0cm 27° 6.7°C 0mm 0.41kPa 24135m 4.6m/s 3.1m/s
11:00
11% -1.2°C 0mm 58% 0cm 32° 6.4°C 0mm 0.4kPa 24135m 5m/s 3.4m/s
12:00
6% -1.3°C 0mm 59% 0cm 35° 6.1°C 0mm 0.39kPa 24135m 5.3m/s 3.7m/s
13:00
4% -1.5°C 0mm 61% 0cm 36° 5.3°C 0mm 0.34kPa 24135m 6.4m/s 3.7m/s
14:00
3% -1.8°C 0mm 64% 0cm 36° 4.5°C 0mm 0.3kPa 24135m 7.6m/s 3.6m/s
15:00
1% -2.1°C 0mm 66% 0cm 34° 3.7°C 0mm 0.27kPa 24135m 8.7m/s 3.6m/s
16:00
2% -2.2°C 0.03mm 68% 0cm 30° 3.1°C 0mm 0.24kPa 23818m 8.1m/s 3.1m/s
17:00
2% -2.4°C 0.06mm 70% 0cm 25° 2.6°C 0mm 0.22kPa 23502m 7.4m/s 2.6m/s
18:00
3% -2.6°C 0.09mm 72% 0cm 19° 2°C 0mm 0.2kPa 23185m 6.7m/s 2.1m/s
19:00
2% -1.9°C 0.29mm 76% 0cm 14° 1.9°C 0.56mm 0.16kPa 15643m 4.7m/s 1.7m/s
20:00
2% -1.2°C 0.48mm 81% 0cm 7.7° 1.7°C 1.1mm 0.13kPa 8101m 2.8m/s 1.2m/s
21:00
1% -0.5°C 0.68mm 86% 0cm 2.3° 1.6°C 1.7mm 0.1kPa 559m 0.8m/s 0.8m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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