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Rule Morning Frost

Morning Frost Forecast for Sodankylä, Finnish Lapland

Sodankylä, Lapland, Finland

Sodankylä sits among pine forest and the Kitinen River, offering river mist, snow-laden woodland, and dark skies beyond the town centre.

Currently

Real-time conditions
Soil Temperature11.0°C
Dew Point8.2°C (moderate dew point)
Wind Speed3.5m/s (calm conditions)
Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (95-hour forecast)

  • Frost Probability100% of hours
  • Time Window88% of hours
  • Wind Speed69% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Morning Frost conditions across Finnish Lapland. The requirements and hourly values below show how those signals apply at Sodankylä.

Explore Morning Frost conditions across Finnish Lapland →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Sodankylä during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
0
recorded matching windows
Last 365 days
12
recorded matching windows · 78% average confidence
Most frequent recorded start hour

07:00 local time, shared by 6 of 12 matches recorded in the last 365 days.

Most represented month

February, with 10 of 12 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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95-hour requirements breakdown

When available, the detailed table below covers only the stated 95-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sun, Aug 23
05:000%1.9m/s
06:000%1.8m/s
07:000%1.8m/s
08:000%2.5m/s
09:000%2.9m/s
10:000%3.3m/s
11:000%3.9m/s
12:000%3.9m/s
13:000%4.1m/s
14:000%4.1m/s
15:000%4.9m/s
16:000%3.9m/s
17:000%4.1m/s
18:000%4.1m/s
19:000%3.8m/s
20:000%3.7m/s
21:000%3.8m/s
22:000%3.3m/s
23:000%3.3m/s
Mon, Aug 24
24:000%3.5m/s
01:000%3.5m/s
02:000%3.3m/s
03:000%3.4m/s
04:000%3.4m/s
05:000%3.5m/s
06:000%3.5m/s
07:000%3.4m/s
08:000%3.5m/s
09:000%3.4m/s
10:000%3.5m/s
11:000%3.3m/s
12:000%3.2m/s
13:000%3.5m/s
14:000%3.8m/s
15:000%3.9m/s
16:000%3.1m/s
17:000%3.6m/s
18:000%3.1m/s
19:000%2.9m/s
20:000%1.9m/s
21:000%1.5m/s
22:000%1.1m/s
23:000%0.93m/s
Tue, Aug 25
24:000%0.42m/s
01:000%0.78m/s
02:000%1m/s
03:000%1.4m/s
04:000%1.5m/s
05:000%1.5m/s
06:000%1.6m/s
07:000%1.7m/s
08:000%1.9m/s
09:000%2.1m/s
10:000%1.8m/s
11:000%2m/s
12:000%2.8m/s
13:000%3m/s
14:000%3.9m/s
15:000%3.4m/s
16:000%2.1m/s
17:000%1.4m/s
18:000%1.3m/s
19:000%2m/s
20:000%2.1m/s
21:000%2.7m/s
22:000%2.1m/s
23:000%2.3m/s
Wed, Aug 26
24:000%1.9m/s
01:000%1.3m/s
02:000%1.8m/s
03:000%2.2m/s
04:000%2.2m/s
05:000%2.4m/s
06:000%2.8m/s
07:000%2.6m/s
08:000%2.1m/s
09:000%1.7m/s
10:000%2.2m/s
11:000%2.5m/s
12:000%2.7m/s
13:000%2.7m/s
14:000%3.3m/s
15:000%3.6m/s
16:000%2.8m/s
17:000%2m/s
18:000%1.2m/s
19:000%1.1m/s
20:000%1.1m/s
21:000%1m/s
22:003.3%0.95m/s
23:003.3%0.89m/s
Thu, Aug 27
24:003.3%0.83m/s
01:003.6%0.88m/s
02:004.9%0.94m/s
03:005%0.99m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost 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
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Mon, Aug 24 Sunrise 05:13 Sunset 21:15
06:00
8.2°C 11°C 10°C - 100% 0.15kPa
07:00
8.2°C 11°C 10°C - 100% 0.15kPa
08:00
8.1°C 11°C 10°C - 100% 0.18kPa
09:00
7.5°C 11°C 11°C - 84% 0.25kPa
10:00
6.6°C 11°C 12°C - 16% 0.45kPa
11:00
6.3°C 11°C 14°C - 13% 0.63kPa
12:00
6.2°C 11°C 15°C - 40% 0.74kPa
13:00
6°C 12°C 15°C - 51% 0.82kPa
14:00
5.7°C 12°C 16°C - 80% 0.87kPa
15:00
6°C 12°C 15°C - 100% 0.81kPa
16:00
7°C 12°C 15°C - 87% 0.69kPa
17:00
6.2°C 12°C 15°C - 79% 0.78kPa
18:00
6.9°C 12°C 15°C - 62% 0.67kPa
19:00
7.4°C 12°C 14°C - 79% 0.58kPa
20:00
7.7°C 12°C 13°C - 95% 0.44kPa
21:00
7.4°C 12°C 11°C - 30% 0.32kPa
22:00
6.8°C 12°C 9°C - 36% 0.16kPa
23:00
6.5°C 12°C 8.4°C - 98% 0.13kPa
Tue, Aug 25 Sunrise 05:13 Sunset 21:15
24:00
6.6°C 12°C 9.9°C - 96% 0.24kPa
01:00
6.6°C 11°C 9.9°C - 98% 0.24kPa
02:00
6.6°C 11°C 9.8°C - 100% 0.24kPa
03:00
6.8°C 11°C 10°C - 100% 0.25kPa
04:00
6.6°C 11°C 8.7°C - 100% 0.15kPa
05:00
6.8°C 11°C 8.4°C - 100% 0.11kPa
06:00
7°C 11°C 8.6°C - 100% 0.12kPa
07:00
7.3°C 10°C 9.9°C - 100% 0.19kPa
08:00
7.4°C 10°C 10°C - 100% 0.21kPa
09:00
7.5°C 10°C 10°C - 100% 0.23kPa
10:00
8°C 10°C 10°C - 100% 0.18kPa
11:00
8.2°C 10°C 11°C - 94% 0.19kPa
12:00
8.4°C 11°C 14°C - 88% 0.47kPa
13:00
8.6°C 11°C 15°C - 74% 0.62kPa
14:00
8.6°C 11°C 16°C - 85% 0.74kPa
15:00
8.9°C 11°C 15°C - 100% 0.55kPa
16:00
8.6°C 11°C 14°C - 100% 0.47kPa
17:00
8.8°C 12°C 14°C - 100% 0.47kPa
18:00
8.9°C 12°C 15°C - 28% 0.53kPa
19:00
9.7°C 12°C 15°C - 95% 0.45kPa
20:00
9.4°C 12°C 13°C - 54% 0.33kPa
21:00
8.7°C 12°C 12°C - 8% 0.24kPa
22:00
8.1°C 12°C 9.8°C - 5% 0.13kPa
23:00
7.8°C 11°C 9°C - 22% 0.09kPa
Wed, Aug 26 Sunrise 05:17 Sunset 21:11
24:00
7.6°C 11°C 8.4°C - 96% 0.06kPa
01:00
8.1°C 11°C 9.6°C - 100% 0.11kPa
02:00
7.9°C 11°C 9.6°C - 100% 0.13kPa
03:00
7.5°C 11°C 9.4°C - 100% 0.14kPa
04:00
7.3°C 11°C 8.9°C - 100% 0.12kPa
05:00
7°C 10°C 8.4°C - 100% 0.11kPa
06:00
6.2°C 10°C 7.9°C - 100% 0.12kPa
07:00
5.5°C 10°C 7.6°C - 100% 0.14kPa
08:00
5.3°C 10°C 7.6°C - 100% 0.16kPa
09:00
5°C 9.9°C 8°C - 98% 0.2kPa
10:00
4.5°C 9.8°C 9°C - 91% 0.3kPa
11:00
4.2°C 9.8°C 9.3°C - 83% 0.35kPa
12:00
3.8°C 9.9°C 10°C - 89% 0.46kPa
13:00
3°C 10°C 11°C - 69% 0.54kPa
14:00
1.5°C 10°C 12°C - 59% 0.71kPa
15:00
0.8°C 10°C 12°C - 29% 0.79kPa
16:00
2.2°C 9.9°C 9.8°C - 21% 0.5kPa
17:00
2.7°C 9.6°C 7.3°C - 13% 0.28kPa
18:00
2.8°C 9.3°C 4.7°C - 5% 0.11kPa
19:00
2.7°C 8.9°C 4.4°C - 5% 0.09kPa
20:00
2.7°C 8.6°C 4°C - 5% 0.07kPa
21:00
2.7°C 8.3°C 3.6°C - 5% 0.05kPa
22:00
2.2°C 7.9°C 3.3°C - 5% 0.06kPa
23:00
1.8°C 7.6°C 3°C - 5% 0.06kPa
Thu, Aug 27 Sunrise 05:20 Sunset 21:07
24:00
1.4°C 7.3°C 2.7°C - 5% 0.07kPa
01:00
1.6°C 7.2°C 4.3°C - 5% 0.15kPa
02:00
1.6°C 7.2°C 6°C - 5% 0.25kPa
03:00
1.4°C 7.2°C 7.7°C - 5% 0.38kPa
04:00
2.2°C 7.5°C 9.2°C - 16% 0.45kPa
05:00
3°C 7.8°C 11°C - 26% 0.53kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

Forecast generated

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