Rule
Fog Hunter
Rovaniemi - Fog Hunter - Finnish Lapland
Rovaniemi, Lapland, Finland
Thick, moody fog for atmospheric forest and landscape shots
Currently
Real-time conditionsDewpoint Spread0.0°C
Visibility6547 (Moderate)
Relative Humidity100%
Wind Speed0.4m/s (calm conditions)
Upcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
Times shown in Europe/Helsinki
Next opportunity
Dense Fog (lingering)
Rovaniemi
Sun, Mar 8 · 11:00–16:00 · 5h window
Medium confidence
50%
🌫️Fog Probability100%
Dewpoint Spread: 0.2°C
Visibility: 282 (Fog)
Relative Humidity: 99%
Wind Speed: 1.8m/s (calm conditions)
Dense Fog (lingering) at Sunset
Rovaniemi
Sun, Mar 8 · 16:00–19:00
🌫️Fog Probability:100%
Medium
Dense Fog (lingering)
Rovaniemi
Sun, Mar 8 · 19:00–22:00
🌫️Fog Probability:100%
Medium
Dense Fog (lingering)
Rovaniemi
Tue, Mar 10 · 20:00–03:00
🌫️Fog Probability:100%
High
Dense Fog (lingering)
Rovaniemi
Thu, Mar 12 · 14:00–16:00
🌫️Fog Probability:100%
Medium
Dense Fog (lingering) at Sunset
Rovaniemi
Thu, Mar 12 · 16:00–18:00
🌫️Fog Probability:100%
Medium
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72-hour requirements breakdown
What passed or failed, hour by hourAND logic: all conditions required
Meets requirement
Misses requirement
Time Europe/Helsinki | Fog Probability ≥ 85.0% | Dewpoint Spread ≤ 2.0°C | Visibility ≤ 3000.0m | Wind Speed ≤ 2.0m/s |
|---|---|---|---|---|
| Wed, Mar 4 | ||||
| 07:00 | 100% | 0.1°C | 137m | 1.6m/s |
| 08:00 | 100% | 0.2°C | 155m | 1.4m/s |
| 09:00 | 83% | 0.4°C | 7798m | 1.1m/s |
| 10:00 | 64% | 0.7°C | 15461m | 0.67m/s |
| 11:00 | 71% | 0.6°C | 8840m | 0.63m/s |
| 12:00 | 81% | 0.7°C | 3733m | 0.82m/s |
| 13:00 | 100% | 0.3°C | 370m | 1.1m/s |
| 14:00 | 51% | 0.4°C | 331m | 1.8m/s |
| 15:00 | 100% | 0.4°C | 891m | 2.4m/s |
| 16:00 | 72% | 0.6°C | 12673m | 2.2m/s |
| 17:00 | 68% | 0.8°C | 14916m | 2.6m/s |
| 18:00 | 68% | 0.8°C | 13975m | 2.4m/s |
| 19:00 | 67% | 0.5°C | 24135m | 1.9m/s |
| 20:00 | 75% | 0.3°C | 10715m | 1.6m/s |
| 21:00 | 86% | 0.1°C | 6560m | 1.5m/s |
| 22:00 | 86% | 0.1°C | 6554m | 1.3m/s |
| 23:00 | 86% | 0.1°C | 6547m | 1.1m/s |
| Thu, Mar 5 | ||||
| 24:00 | 86% | 0.1°C | 6548m | 0.95m/s |
| 01:00 | 86% | 0°C | 6548m | 0.8m/s |
| 02:00 | 86% | 0°C | 6549m | 0.93m/s |
| 03:00 | 86% | 0°C | 6547m | 0.38m/s |
| 04:00 | 86% | 0°C | 6547m | 0.07m/s |
| 05:00 | 86% | 0°C | 6548m | 0.26m/s |
| 06:00 | 86% | 0°C | 6502m | 0.44m/s |
| 07:00 | 86% | 0°C | 5826m | 0.4m/s |
| 08:00 | 97% | 0°C | 4175m | 0.48m/s |
| 09:00 | 97% | 0°C | 3990m | 0.48m/s |
| 10:00 | 86% | 0.2°C | 6363m | 0.3m/s |
| 11:00 | 64% | 0.5°C | 11766m | 0.54m/s |
| 12:00 | 53% | 0.8°C | 24134m | 0.28m/s |
| 13:00 | 53% | 1°C | 24134m | 0.86m/s |
| 14:00 | 0% | 1°C | 24135m | 1.5m/s |
| 15:00 | 60% | 0.9°C | 24134m | 1.4m/s |
| 16:00 | 67% | 0.4°C | 24134m | 1.4m/s |
| 17:00 | 67% | 0.3°C | 20890m | 1.3m/s |
| 18:00 | 86% | 0.2°C | 9439m | 1.4m/s |
| 19:00 | 86% | 0.1°C | 8375m | 1.4m/s |
| 20:00 | 86% | 0.2°C | 8183m | 1.4m/s |
| 21:00 | 86% | 0.2°C | 7702m | 1.4m/s |
| 22:00 | 83% | 0.3°C | 8386m | 1.3m/s |
| 23:00 | 75% | 0.4°C | 11280m | 1.3m/s |
| Fri, Mar 6 | ||||
| 24:00 | 67% | 0.4°C | 24134m | 1.2m/s |
| 01:00 | 67% | 0.5°C | 24135m | 1.5m/s |
| 02:00 | 67% | 0.4°C | 24134m | 1.6m/s |
| 03:00 | 57% | 0.5°C | 24135m | 1.6m/s |
| 04:00 | 57% | 0.4°C | 22583m | 1.7m/s |
| 05:00 | 57% | 0.4°C | 19309m | 2.4m/s |
| 06:00 | 80% | 0.3°C | 3167m | 2.8m/s |
| 07:00 | 99% | 0.3°C | 778m | 3.5m/s |
| 08:00 | 100% | 0.2°C | 328m | 3.2m/s |
| 09:00 | 100% | 0.3°C | 282m | 2.9m/s |
| 10:00 | 100% | 0.2°C | 259m | 3.5m/s |
| 11:00 | 89% | 0.3°C | 215m | 3.8m/s |
| 12:00 | 100% | 0.1°C | 204m | 3.5m/s |
| 13:00 | 100% | 0°C | 226m | 3.2m/s |
| 14:00 | 100% | 0°C | 178m | 2.9m/s |
| 15:00 | 100% | 0°C | 120m | 2.7m/s |
| 16:00 | 100% | 0°C | 66m | 2.9m/s |
| 17:00 | 53% | 0°C | 65m | 3.8m/s |
| 18:00 | 0% | 0.1°C | 89m | 3.6m/s |
| 19:00 | 0% | 0.6°C | 20480m | 4.2m/s |
| 20:00 | 0% | 0.9°C | 24135m | 3.6m/s |
| 21:00 | 50% | 0.5°C | 154m | 3.9m/s |
| 22:00 | 26% | 0.8°C | 4797m | 4.1m/s |
| 23:00 | 0% | 2.4°C | 24134m | 4.4m/s |
| Sat, Mar 7 | ||||
| 24:00 | 0% | 2.7°C | 24134m | 3.8m/s |
| 01:00 | 0% | 2.4°C | 24135m | 3.1m/s |
| 02:00 | 0% | 2.1°C | 24135m | 2.5m/s |
| 03:00 | 0% | 1.4°C | 24135m | 1.6m/s |
| 04:00 | 0% | 1.1°C | 24135m | 1.5m/s |
| 05:00 | 60% | 0.9°C | 24134m | 1.2m/s |
| 06:00 | 60% | 0.9°C | 24135m | 0.89m/s |
| 07:00 | 60% | 0.8°C | 24134m | 0.6m/s |
| 08:00 | 60% | 0.7°C | 24135m | 0.81m/s |
| 09:00 | 60% | 0.9°C | 24135m | 1.6m/s |
| 10:00 | 0% | 1.2°C | 24135m | 2.4m/s |
| 11:00 | 0% | 1.5°C | 24135m | 3.3m/s |
| 12:00 | 0% | 1.2°C | 24135m | 3m/s |
| 13:00 | 45% | 1°C | 24135m | 2.8m/s |
| 14:00 | 45% | 0.8°C | 24135m | 2.6m/s |
| 15:00 | 51% | 0.9°C | 24135m | 2.9m/s |
| 16:00 | 51% | 0.9°C | 24135m | 3.1m/s |
| 17:00 | 51% | 1°C | 24135m | 3.3m/s |
| 18:00 | 51% | 0.9°C | 24135m | 3.3m/s |
| 19:00 | 51% | 0.9°C | 24135m | 3.3m/s |
| 20:00 | 51% | 0.9°C | 24135m | 3.2m/s |
| 21:00 | 51% | 0.8°C | 24135m | 3.3m/s |
| 22:00 | 51% | 0.8°C | 24135m | 3.4m/s |
| 23:00 | 51% | 0.8°C | 24135m | 3.5m/s |
| Sun, Mar 8 | ||||
| 24:00 | 51% | 0.7°C | 24135m | 3.5m/s |
| 01:00 | 51% | 0.7°C | 24135m | 3.4m/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 scoreThis 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 | Dew Point °C | Rainfall mm | Relative Humidity % | Snowfall cm | Temperature °C | Total Precipitation mm | Vapor Pressure Deficit kPa | Wind Gusts m/s |
|---|---|---|---|---|---|---|---|---|
| Thu, Mar 5
Sunrise 07:16
Sunset 17:41 | ||||||||
| 03:00 ☾ | -16°C | 0mm | 100% | 0cm | -16°C | 0mm | 0kPa | 0.3m/s |
| 04:00 ☾ | -17°C | 0mm | 100% | 0cm | -17°C | 0mm | 0kPa | 0.02m/s |
| 05:00 ☾ | -17°C | 0mm | 100% | 0cm | -17°C | 0mm | 0kPa | 0.31m/s |
| 06:00 ☾ | -17°C | 0mm | 100% | 0cm | -17°C | 0mm | 0kPa | 0.41m/s |
| 07:00 ☾ | -18°C | 0mm | 100% | 0cm | -18°C | 0mm | 0kPa | 0.41m/s |
| 08:00 | -18°C | 0.01mm | 100% | 0cm | -18°C | 0mm | 0kPa | 0.5m/s |
| 09:00 | -13°C | 0.01mm | 100% | 0cm | -13°C | 0mm | 0kPa | 0.5m/s |
| 10:00 | -9.5°C | 0mm | 98% | 0cm | -9.3°C | 0mm | 0.01kPa | 0.41m/s |
| 11:00 | -7.5°C | 0mm | 96% | 0cm | -7°C | 0mm | 0.02kPa | 0.91m/s |
| 12:00 | -6.1°C | 0mm | 94% | 0cm | -5.3°C | 0mm | 0.02kPa | 0.51m/s |
| 13:00 | -4.9°C | 0mm | 93% | 0cm | -3.9°C | 0mm | 0.03kPa | 0.9m/s |
| 14:00 | -4.1°C | 0mm | 92% | 0cm | -3.1°C | 0mm | 0.04kPa | 2.1m/s |
| 15:00 | -3.6°C | 0mm | 93% | 0cm | -2.7°C | 0mm | 0.03kPa | 2.1m/s |
| 16:00 | -3.8°C | 0mm | 97% | 0cm | -3.4°C | 0mm | 0.02kPa | 3.1m/s |
| 17:00 | -5.5°C | 0mm | 98% | 0cm | -5.2°C | 0mm | 0.01kPa | 1.2m/s |
| 18:00 ☾ | -7.9°C | 0mm | 98% | 0cm | -7.7°C | 0mm | 0.01kPa | 1.3m/s |
| 19:00 ☾ | -8.5°C | 0mm | 99% | 0cm | -8.4°C | 0mm | 0kPa | 1.3m/s |
| 20:00 ☾ | -8.7°C | 0mm | 99% | 0cm | -8.5°C | 0mm | 0kPa | 2.5m/s |
| 21:00 ☾ | -9.1°C | 0mm | 98% | 0cm | -8.9°C | 0mm | 0.01kPa | 1.3m/s |
| 22:00 ☾ | -8.3°C | 0mm | 98% | 0cm | -8°C | 0mm | 0.01kPa | 3.3m/s |
| 23:00 ☾ | -7.5°C | 0mm | 97% | 0cm | -7.1°C | 0mm | 0.01kPa | 3.6m/s |
| Fri, Mar 6
Sunrise 07:16
Sunset 17:41 | ||||||||
| 24:00 ☾ | -6.6°C | 0mm | 96% | 0cm | -6.2°C | 0mm | 0.01kPa | 4.3m/s |
| 01:00 ☾ | -6.1°C | 0mm | 96% | 0cm | -5.6°C | 0mm | 0.01kPa | 4.5m/s |
| 02:00 ☾ | -6.2°C | 0mm | 97% | 0cm | -5.8°C | 0mm | 0.01kPa | 5.3m/s |
| 03:00 ☾ | -5.5°C | 0mm | 96% | 0cm | -5°C | 0mm | 0.01kPa | 6.7m/s |
| 04:00 ☾ | -5.5°C | 0mm | 97% | 0cm | -5.1°C | 0mm | 0.01kPa | 7.6m/s |
| 05:00 ☾ | -4.3°C | 0mm | 97% | 0cm | -3.9°C | 0mm | 0.01kPa | 9m/s |
| 06:00 ☾ | -3.5°C | 0mm | 98% | 0cm | -3.2°C | 0mm | 0.01kPa | 9.6m/s |
| 07:00 ☾ | -3.3°C | 0mm | 98% | 0cm | -3°C | 0mm | 0.01kPa | 10m/s |
| 08:00 | -3°C | 0mm | 98% | 0cm | -2.8°C | 0mm | 0.01kPa | 8.4m/s |
| 09:00 | -2.5°C | 0mm | 98% | 0cm | -2.2°C | 0mm | 0.01kPa | 8.6m/s |
| 10:00 | -1.6°C | 0mm | 98% | 0cm | -1.4°C | 0mm | 0.01kPa | 9.9m/s |
| 11:00 | -1.2°C | 0mm | 98% | 0cm | -0.92°C | 0mm | 0.01kPa | 9.3m/s |
| 12:00 | -0.7°C | 0mm | 99% | 0cm | -0.59°C | 0mm | 0.01kPa | 7.6m/s |
| 13:00 | -0.2°C | 0mm | 100% | 0cm | -0.18°C | 0mm | 0kPa | 7.4m/s |
| 14:00 | 0.2°C | 0mm | 100% | 0cm | 0.15°C | 0mm | 0kPa | 7.4m/s |
| 15:00 | 0.3°C | 0mm | 100% | 0cm | 0.31°C | 0mm | 0kPa | 6.4m/s |
| 16:00 | 0.5°C | 0.02mm | 100% | 0cm | 0.52°C | 0mm | 0kPa | 10m/s |
| 17:00 | 1°C | 0.31mm | 100% | 0.31cm | 1°C | 0.13mm | 0kPa | 11m/s |
| 18:00 ☾ | 0.5°C | 0.82mm | 100% | 0.82cm | 0.6°C | 1.1mm | 0kPa | 12m/s |
| 19:00 ☾ | 0.3°C | 0.21mm | 95% | 0.21cm | 0.9°C | 1.5mm | 0.03kPa | 12m/s |
| 20:00 ☾ | 0°C | 0.04mm | 94% | 0.04cm | 0.86°C | 1.7mm | 0.04kPa | 9.5m/s |
| 21:00 ☾ | -0.3°C | 0.57mm | 97% | 0.57cm | 0.18°C | 0.13mm | 0.02kPa | 10m/s |
| 22:00 ☾ | -0.3°C | 0mm | 95% | 0cm | 0.5°C | 0.38mm | 0.03kPa | 11m/s |
| 23:00 ☾ | -2.5°C | 0mm | 84% | 0cm | -0.11°C | 0.38mm | 0.1kPa | 11m/s |
| Sat, Mar 7
Sunrise 07:12
Sunset 17:45 | ||||||||
| 24:00 ☾ | -4.7°C | 0mm | 82% | 0cm | -2°C | 0.38mm | 0.1kPa | 11m/s |
| 01:00 ☾ | -6.2°C | 0mm | 84% | 0cm | -3.8°C | 0.38mm | 0.08kPa | 10m/s |
| 02:00 ☾ | -7.6°C | 0mm | 85% | 0cm | -5.5°C | 0.38mm | 0.06kPa | 6.9m/s |
| 03:00 ☾ | -10°C | 0mm | 90% | 0cm | -8.7°C | 0mm | 0.03kPa | 1.5m/s |
| 04:00 ☾ | -12°C | 0mm | 92% | 0cm | -11°C | 0mm | 0.02kPa | 1.4m/s |
| 05:00 ☾ | -14°C | 0mm | 93% | 0cm | -13°C | 0mm | 0.02kPa | 1.2m/s |
| 06:00 ☾ | -15°C | 0mm | 93% | 0cm | -14°C | 0mm | 0.01kPa | 0.92m/s |
| 07:00 ☾ | -15°C | 0mm | 94% | 0cm | -14°C | 0mm | 0.01kPa | 0.6m/s |
| 08:00 | -15°C | 0mm | 94% | 0cm | -14°C | 0mm | 0.01kPa | 0.72m/s |
| 09:00 | -11°C | 0mm | 93% | 0cm | -10°C | 0mm | 0.02kPa | 3.4m/s |
| 10:00 | -7.5°C | 0mm | 91% | 0cm | -6.3°C | 0mm | 0.03kPa | 6.1m/s |
| 11:00 | -4°C | 0mm | 90% | 0cm | -2.5°C | 0mm | 0.05kPa | 8.7m/s |
| 12:00 | -4.8°C | 0mm | 91% | 0cm | -3.6°C | 0mm | 0.04kPa | 8.8m/s |
| 13:00 | -5.7°C | 0mm | 93% | 0cm | -4.7°C | 0mm | 0.03kPa | 8.8m/s |
| 14:00 | -6.6°C | 0mm | 94% | 0cm | -5.8°C | 0mm | 0.02kPa | 8.9m/s |
| 15:00 | -6.2°C | 0mm | 94% | 0cm | -5.3°C | 0mm | 0.03kPa | 9.6m/s |
| 16:00 | -5.8°C | 0mm | 93% | 0cm | -4.9°C | 0mm | 0.03kPa | 10m/s |
| 17:00 | -5.4°C | 0mm | 93% | 0cm | -4.4°C | 0mm | 0.03kPa | 11m/s |
| 18:00 ☾ | -5°C | 0mm | 93% | 0cm | -4.1°C | 0mm | 0.03kPa | 11m/s |
| 19:00 ☾ | -4.6°C | 0mm | 94% | 0cm | -3.7°C | 0mm | 0.03kPa | 11m/s |
| 20:00 ☾ | -4.3°C | 0mm | 94% | 0cm | -3.4°C | 0mm | 0.03kPa | 10m/s |
| 21:00 ☾ | -3.6°C | 0mm | 94% | 0cm | -2.8°C | 0mm | 0.03kPa | 10m/s |
| 22:00 ☾ | -3°C | 0mm | 94% | 0cm | -2.2°C | 0mm | 0.03kPa | 11m/s |
| 23:00 ☾ | -2.4°C | 0mm | 94% | 0cm | -1.6°C | 0mm | 0.03kPa | 11m/s |
| Sun, Mar 8
Sunrise 07:09
Sunset 17:48 | ||||||||
| 24:00 ☾ | -2.1°C | 0.003mm | 94% | 0cm | -1.4°C | 0mm | 0.03kPa | 10m/s |
| 01:00 ☾ | -1.8°C | 0.007mm | 95% | 0cm | -1.1°C | 0mm | 0.03kPa | 9.4m/s |
| 02:00 ☾ | -1.5°C | 0.01mm | 95% | 0cm | -0.91°C | 0mm | 0.03kPa | 8.8m/s |
How to read: these inputs help produce the derived score; they are not requirements by themselves.
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