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Rule Fog Hunter

Saariselkä - Fog Hunter - Finnish Lapland

Saariselka, Lapland, Finland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions
Dewpoint Spread2.7°C
Visibility24134 (Clear)
Relative Humidity82%
Wind Speed5.0m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki
fog weather icon
Next opportunity
Dense Fog at Sunset
Saariselkä
Thu, Apr 23 · 20:00–23:00 · 3h window
Medium confidence
43%
🌫️Fog Probability60.7-100%
Dewpoint Spread: 0.1°C
Visibility: 29 (Dense fog)
Relative Humidity: 99%
Wind Speed: 1.3m/s (calm conditions)
fog weather icon
Dense Fog at Dusk
Saariselkä
Thu, Apr 23 · 23:00–24:00
🌫️Fog Probability:100%
High
fog weather icon
Dense Fog at Sunset
Saariselkä
Tue, Apr 28 · 20:00–23:00
🌫️Fog Probability:60.1-100%
Medium
fog weather icon
Moderate Fog at Dusk
Saariselkä
Tue, Apr 28 · 23:00–24:00
🌫️Fog Probability:78.4%
Medium

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72-hour requirements breakdown

What passed or failed, hour by hour
13matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 60.0%
Mon, Apr 20
22:00100%
23:0097%
Tue, Apr 21
24:0094%
01:0091%
02:00100%
03:00100%
04:00100%
05:0094%
06:0057%
07:0067%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:0026%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, Apr 22
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%
23:000%
Thu, Apr 23
24:000%
01:000%
02:000%
03:000%
04:0017%
05:0021%
06:0020%
07:0010%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:0071%
21:0061%
22:00100%
23:00100%
Fri, Apr 24
24:0057%
01:0043%
02:0040%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:0018%
10:0016%
11:0012%
12:0013%
13:0016%
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 04:50 Sunset 21:30
22:00
0% 0.2°C 0mm 82% 0cm -2.7° 2.9°C 0mm 0.14kPa 24134m 12m/s 5m/s
23:00
1% -0.3°C 0mm 84% 0cm -6.2° 2.2°C 0mm 0.12kPa 24134m 8.3m/s 3.7m/s
Wed, Apr 22 Sunrise 04:50 Sunset 21:30
24:00
1% -0.8°C 0mm 88% 0cm -8.5° 0.96°C 0mm 0.08kPa 24134m 5.8m/s 2.9m/s
01:00
1% -0.9°C 0.02mm 86% 0cm -9.4° 1.1°C 0mm 0.09kPa 24134m 9.6m/s 2.9m/s
02:00
0% 0.8°C 0.18mm 92% 0.23cm -8.9° 1.8°C 0.19mm 0.05kPa 4090m 16m/s 5.9m/s
03:00
0% 0.3°C 0.01mm 83% 0.17cm -7° 2.9°C 0.44mm 0.13kPa 3303m 16m/s 7.6m/s
04:00
3% -1.2°C 0mm 80% 0.14cm -3.8° 2°C 0.13mm 0.14kPa 10295m 16m/s 7.2m/s
05:00
7% -3.3°C 0mm 74% 0cm 0.68° 0.66°C 0.19mm 0.16kPa 24134m 17m/s 7.2m/s
06:00
10% -4.3°C 0mm 73% 0cm 5.3° -0.05°C 0.19mm 0.17kPa 24135m 18m/s 7.5m/s
07:00
7% -4.1°C 0mm 73% 0cm 11° 0.11°C 0.19mm 0.17kPa 24134m 18m/s 8m/s
08:00
4% -3.6°C 0mm 73% 0.06cm 16° 0.71°C 0.25mm 0.18kPa 23775m 20m/s 9.9m/s
09:00
1% -3.3°C 0.01mm 78% 0.12cm 21° 0.02°C 0.31mm 0.13kPa 8287m 20m/s 8.8m/s
10:00
1% -4.3°C 0.01mm 79% 0.17cm 26° -1.2°C 0.19mm 0.12kPa 3490m 17m/s 8.6m/s
11:00
0% -7.3°C 0mm 65% 0.01cm 30° -1.5°C 0.25mm 0.19kPa 24134m 20m/s 8.9m/s
12:00
0% -7.9°C 0mm 62% 0.03cm 33° -1.6°C 0.25mm 0.2kPa 24135m 15m/s 9.7m/s
13:00
0% -7.8°C 0mm 61% 0cm 34° -1.3°C 0.31mm 0.22kPa 24134m 13m/s 8.9m/s
14:00
0% -7.2°C 0mm 62% 0cm 33° -0.87°C 0.31mm 0.22kPa 24134m 14m/s 8.5m/s
15:00
0% -7°C 0mm 63% 0.05cm 31° -0.79°C 0.31mm 0.22kPa 24135m 13m/s 9m/s
16:00
0% -7.1°C 0mm 63% 0.03cm 28° -0.87°C 0.06mm 0.21kPa 24135m 13m/s 8.9m/s
17:00
0% -7°C 0mm 64% 0.04cm 23° -1.1°C 0.06mm 0.2kPa 24135m 13m/s 8.4m/s
18:00
0% -6.6°C 0mm 67% 0.07cm 18° -1.3°C 0.13mm 0.18kPa 24135m 14m/s 7.5m/s
19:00
0% -6.3°C 0mm 70% 0.07cm 12° -1.6°C 0.19mm 0.16kPa 13116m 14m/s 7.2m/s
20:00
0% -6.3°C 0mm 73% 0.04cm -2.1°C 0.25mm 0.14kPa 16427m 14m/s 7.3m/s
21:00
0% -6.4°C 0mm 75% 0cm 2.1° -2.6°C 0.25mm 0.13kPa 24134m 14m/s 6.7m/s
22:00
0% -6.3°C 0.01mm 77% 0cm -2.4° -2.8°C 0mm 0.11kPa 24134m 15m/s 6.4m/s
23:00
0% -5.8°C 0.02mm 80% 0.02cm -5.9° -2.8°C 0mm 0.1kPa 20455m 15m/s 5.8m/s
Thu, Apr 23 Sunrise 04:46 Sunset 21:34
24:00
0% -5.8°C 0mm 78% 0cm -8.2° -2.5°C 0mm 0.11kPa 24135m 14m/s 5.7m/s
01:00
0% -5.6°C 0mm 79% 0cm -9.1° -2.5°C 0mm 0.11kPa 24135m 14m/s 5.3m/s
02:00
0% -5.5°C 0mm 78% 0cm -8.6° -2.2°C 0mm 0.11kPa 24135m 14m/s 5m/s
03:00
0% -5.5°C 0mm 79% 0cm -6.7° -2.3°C 0mm 0.11kPa 24134m 12m/s 4.1m/s
04:00
0% -4.2°C 0.07mm 87% 0.07cm -3.5° -2.4°C 0mm 0.07kPa 1906m 12m/s 4.3m/s
05:00
0% -2.6°C 0.14mm 92% 0.16cm 0.98° -1.5°C 0.13mm 0.05kPa 556m 13m/s 4.2m/s
06:00
0% -1.7°C 0.25mm 95% 0.26cm 5.6° -0.94°C 0.31mm 0.03kPa 249m 13m/s 4.2m/s
07:00
0% -1.7°C 0.19mm 92% 0.21cm 11° -0.59°C 0.56mm 0.05kPa 416m 13m/s 5.1m/s
08:00
0% -2.1°C 0.07mm 86% 0.1cm 16° -0.07°C 0.69mm 0.09kPa 4503m 13m/s 5.8m/s
09:00
0% -2.1°C 0.03mm 82% 0.09cm 22° 0.6°C 0.75mm 0.11kPa 5552m 13m/s 6.4m/s
10:00
0% -1.6°C 0.02mm 82% 0.13cm 27° 1.1°C 0.13mm 0.12kPa 4382m 12m/s 6.4m/s
11:00
0% -1.7°C 0.02mm 80% 0.12cm 30° 1.4°C 0.25mm 0.14kPa 4621m 12m/s 6.3m/s
12:00
0% -1.6°C 0.03mm 81% 0.13cm 33° 1.4°C 0.31mm 0.13kPa 4570m 11m/s 6m/s
13:00
0% -2°C 0.01mm 75% 0.1cm 34° 2°C 0.44mm 0.18kPa 5187m 10m/s 6.1m/s
14:00
0% -2.1°C 0.01mm 73% 0.06cm 34° 2.2°C 0.56mm 0.19kPa 7498m 9.8m/s 5.9m/s
15:00
0% -2.5°C 0mm 69% 0.04cm 31° 2.6°C 0.56mm 0.23kPa 22219m 9.3m/s 6m/s
16:00
0% -3°C 0mm 67% 0cm 28° 2.6°C 0mm 0.24kPa 24135m 8.4m/s 4.9m/s
17:00
0% -2.6°C 0mm 68% 0cm 23° 2.6°C 0mm 0.23kPa 24135m 8.5m/s 4.4m/s
18:00
0% -1.9°C 0mm 74% 0cm 18° 2.1°C 0mm 0.18kPa 24134m 6.7m/s 3.4m/s
19:00
0% -1.1°C 0.01mm 83% 0cm 13° 1.5°C 0mm 0.12kPa 18997m 5.5m/s 2.4m/s
20:00
0% 0°C 0.1mm 95% 0cm 7.3° 0.7°C 0.06mm 0.03kPa 70m 2.8m/s 1.5m/s
21:00
0% 0.1°C 0.16mm 99% 0.19cm 2.4° 0.3°C 0.25mm 0.01kPa 31m 3.8m/s 1.2m/s
22:00
3% 0.3°C 0.05mm 99% 0.08cm -2.1° 0.42°C 0.13mm 0.01kPa 29m 5.7m/s 1.3m/s
23:00
5% 0.3°C 0mm 99% 0cm -5.6° 0.45°C 0.19mm 0.01kPa 45m 2.8m/s 1.2m/s
Fri, Apr 24 Sunrise 04:41 Sunset 21:38
24:00
8% -0.7°C 0mm 96% 0cm -7.9° -0.11°C 0.19mm 0.03kPa 23658m 4.9m/s 2.1m/s
01:00
7% -1.3°C 0.02mm 93% 0cm -8.8° -0.32°C 0.19mm 0.04kPa 17298m 6.7m/s 2.1m/s
02:00
6% -1.2°C 0.12mm 96% 0.12cm -8.2° -0.65°C 0.31mm 0.02kPa 1852m 4.1m/s 1.7m/s
03:00
5% -1.6°C 0.01mm 90% 0cm -6.3° -0.21°C 0.31mm 0.06kPa 21395m 11m/s 2.5m/s
04:00
10% -2.7°C 0.007mm 81% 0cm -3.1° 0.13°C 0.21mm 0.12kPa 22308m 9.2m/s 2.9m/s
05:00
14% -4°C 0.003mm 72% 0cm 1.3° 0.46°C 0.1mm 0.18kPa 23222m 7.5m/s 3.2m/s
06:00
19% -5.5°C 0mm 62% 0cm 5.9° 0.79°C 0mm 0.24kPa 24135m 5.8m/s 3.6m/s
07:00
15% -4.5°C 0.02mm 69% 0.04cm 11° 0.5°C 0.02mm 0.2kPa 17016m 4.6m/s 3m/s
08:00
10% -3.6°C 0.04mm 75% 0.08cm 17° 0.21°C 0.04mm 0.15kPa 9898m 3.4m/s 2.4m/s
09:00
6% -2.8°C 0.06mm 82% 0.12cm 22° -0.08°C 0.06mm 0.11kPa 2779m 2.2m/s 1.8m/s
10:00
5% -2.4°C 0.08mm 85% 0.13cm 27° -0.15°C 0.19mm 0.09kPa 2120m 2m/s 1.6m/s
11:00
4% -2.1°C 0.09mm 87% 0.14cm 31° -0.22°C 0.31mm 0.08kPa 1462m 1.8m/s 1.5m/s
12:00
3% -1.8°C 0.11mm 90% 0.15cm 33° -0.29°C 0.44mm 0.06kPa 803m 1.6m/s 1.4m/s
13:00
3% -1.9°C 0.25mm 92% 0.28cm 35° -0.81°C 0.79mm 0.05kPa 587m 3.1m/s 2.2m/s
14:00
2% -2.1°C 0.4mm 94% 0.41cm 34° -1.3°C 1.1mm 0.03kPa 370m 4.7m/s 3.1m/s
15:00
2% -2.3°C 0.54mm 96% 0.54cm 32° -1.8°C 1.5mm 0.02kPa 154m 6.2m/s 3.9m/s
16:00
1% -2.7°C 0.6mm 96% 0.6cm 28° -2.2°C 1.7mm 0.02kPa 157m 7.2m/s 4.4m/s
17:00
1% -3.2°C 0.66mm 96% 0.67cm 24° -2.5°C 1.8mm 0.02kPa 161m 8.1m/s 5m/s
18:00
0% -3.6°C 0.72mm 95% 0.73cm 18° -2.9°C 2mm 0.02kPa 165m 9m/s 5.5m/s
19:00
0% -4.4°C 0.54mm 92% 0.54cm 13° -3.3°C 2.4mm 0.04kPa 2108m 9.2m/s 5.4m/s
20:00
0% -5.3°C 0.35mm 88% 0.35cm 7.6° -3.7°C 2.8mm 0.05kPa 4052m 9.3m/s 5.4m/s
21:00
0% -6.2°C 0.17mm 85% 0.17cm 2.7° -4°C 3.2mm 0.07kPa 5995m 9.5m/s 5.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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