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Rule Morning Frost

Torneträsk - Morning Frost - Swedish Lapland

Abisko, Norrbotten, Sweden

Frost crystals on calm, cold mornings near sunrise

No opportunities right now
Here’s what usually blocks matches

No Morning Frost opportunities in the next 14 days

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Rule requirements (key thresholds)
Time Window · Sunrise -45m to +90m Frost Probability · ≥ 60.0% Wind Speed · ≤ 1.5m/s

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Time Window 100% failing
Frost Probability 100% failing
Wind Speed 68% failing

Currently

Real-time conditions
Soil Temperature10.3°C
Dew Point5.0°C (moderate dew point)
Wind Speed4.0m/s (calm conditions)
Cloud Cover60%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Stockholm

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks the extreme arctic frost conditions that transform Swedish Lapland into a frozen wonderland. We combine temperature, humidity, wind, and snow data to predict optimal conditions for photographing the region's spectacular frost phenomena.

Swedish Lapland experiences frost conditions as extreme as neighboring Finland, with temperatures regularly dropping below -25°C from December through February. The region's vast frozen lakes, frost-covered birch forests, and ice formations create otherworldly winter landscapes. The famous Abisko microclimate means frost conditions often coincide with clear skies—ideal for photography.

What makes Swedish Lapland special for frost photography:

  • Frozen Torneträsk - Sweden's sixth largest lake freezes solid, creating vast ice plains
  • Abisko clarity - The Blue Hole microclimate provides clear skies for photographing frost
  • Birch forest frost - Frost-covered mountain birch create delicate white forests
  • Ice architecture - The ICEHOTEL and frozen Torne River offer unique frost subjects

Lake Torneträsk freezes completely by midwinter, creating an otherworldly frozen seascape stretching to the horizon. The pressure ridges and ice formations along the shore provide dramatic foreground elements. The mountain birch forests around Abisko become ethereal frost galleries—each delicate branch outlined in white against blue arctic twilight. The Torne River near Jukkasjärvi provides ice harvesting opportunities to photograph—massive blocks cut for the ICEHOTEL construction. At Abisko, the microclimate advantage means you can photograph frost phenomena under clear skies more reliably than elsewhere in Lapland. The combination of extreme cold and the region's unique light makes for spectacular blue hour frost photography.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Stockholm
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Wed, Jul 8
06:00-37%1m/s
07:00-34%1.8m/s
08:00-37%2m/s
09:00-3.2%2.2m/s
10:00-3.4%2.7m/s
11:00-3.3%2.9m/s
12:00-0%3m/s
13:00-0%3.2m/s
14:00-0%3.6m/s
15:00-0%3.9m/s
16:00-0%4m/s
17:00-0%4m/s
18:00-0%4.1m/s
19:00-0%3.9m/s
20:00-0%3.9m/s
21:00-0%3.8m/s
22:00-0%3.6m/s
23:00-0%3.3m/s
Thu, Jul 9
24:00-0%3.2m/s
01:00-0%3.3m/s
02:00-0%3.1m/s
03:00-2.1%2.9m/s
04:00-2.3%2.8m/s
05:00-1.8%2.9m/s
06:00-2.1%2.8m/s
07:00-1.8%2.9m/s
08:00-2%2.6m/s
09:00-0%2.5m/s
10:00-0%2.4m/s
11:00-0%2m/s
12:00-0%2m/s
13:00-0%1.6m/s
14:00-0%1.1m/s
15:00-0%0.22m/s
16:00-0%1.1m/s
17:00-0%1.7m/s
18:00-0%1.7m/s
19:00-0%0.47m/s
20:00-0%0.45m/s
21:00-0%0.85m/s
22:00-0%0.65m/s
23:00-0%1.6m/s
Fri, Jul 10
24:00-0%2.1m/s
01:00-0%2.4m/s
02:00-0%2.2m/s
03:00-0%2m/s
04:00-0%1.8m/s
05:00-0%1.6m/s
06:00-0%1.5m/s
07:00-0%1.3m/s
08:00-0%1m/s
09:00-0%1.2m/s
10:00-0%1.1m/s
11:00-0%0.57m/s
12:00-0%0.75m/s
13:00-0%0.91m/s
14:00-0%0.61m/s
15:00-0%0.9m/s
16:00-0%2m/s
17:00-0%2.3m/s
18:00-0%2.5m/s
19:00-0%1.9m/s
20:00-0%1.5m/s
21:00-0%1.2m/s
22:00-0%0.89m/s
23:00-0%0.6m/s
Sat, Jul 11
24:00-0%0.78m/s
01:00-0%0.95m/s
02:00-0%1.1m/s
03:00-0%1.8m/s
04:00-0%2.4m/s
05:00-0%3m/s
06:00-0%3.7m/s
07:00-0%4.4m/s
08:00-0%5.1m/s
09:00-0%4.6m/s
10:00-0%4.1m/s
11:00-0%3.6m/s
12:00-0%3.8m/s
13:00-0%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 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/Stockholm
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Wed, Jul 8
16:00
5°C 10°C 11°C - 60% 0.45kPa
17:00
5.3°C 11°C 11°C - 66% 0.43kPa
18:00
5.1°C 11°C 11°C - 52% 0.4kPa
19:00
4.7°C 11°C 10°C - 40% 0.38kPa
20:00
4.3°C 11°C 9.3°C - 44% 0.34kPa
21:00
4°C 11°C 8.4°C - 21% 0.29kPa
22:00
3.9°C 10°C 7.4°C - 14% 0.22kPa
23:00
3.8°C 9.9°C 6.2°C - 9% 0.15kPa
Thu, Jul 9
24:00
3.8°C 9.4°C 5.2°C - 12% 0.09kPa
01:00
3.8°C 8.9°C 4.7°C - 32% 0.05kPa
02:00
4°C 8.4°C 5.1°C - 34% 0.06kPa
03:00
4.2°C 8°C 5.4°C - 30% 0.07kPa
04:00
4.5°C 7.7°C 5.9°C - 39% 0.09kPa
05:00
4.7°C 7.5°C 6.3°C - 51% 0.1kPa
06:00
4.8°C 7.5°C 6.8°C - 60% 0.13kPa
07:00
4.6°C 7.7°C 7.1°C - 68% 0.16kPa
08:00
4.7°C 8°C 7.5°C - 80% 0.18kPa
09:00
4.7°C 8.2°C 7.7°C - 64% 0.2kPa
10:00
4.6°C 8.7°C 8.5°C - 60% 0.26kPa
11:00
4.7°C 9.3°C 9.5°C - 52% 0.33kPa
12:00
4.6°C 9.9°C 10°C - 52% 0.41kPa
13:00
4.4°C 10°C 11°C - 95% 0.49kPa
14:00
4.4°C 11°C 11°C - 100% 0.51kPa
15:00
4.5°C 11°C 12°C - 89% 0.55kPa
16:00
4.7°C 11°C 13°C - 88% 0.6kPa
17:00
4.8°C 11°C 13°C - 100% 0.63kPa
18:00
4.6°C 11°C 13°C - 100% 0.67kPa
19:00
4.6°C 11°C 13°C - 100% 0.69kPa
20:00
5.6°C 11°C 13°C - 100% 0.59kPa
21:00
6.1°C 11°C 12°C - 100% 0.5kPa
22:00
6.1°C 11°C 12°C - 100% 0.42kPa
23:00
5.6°C 11°C 11°C - 100% 0.42kPa
Fri, Jul 10
24:00
5.5°C 11°C 11°C - 100% 0.4kPa
01:00
5.5°C 11°C 11°C - 100% 0.38kPa
02:00
5.7°C 10°C 11°C - 100% 0.36kPa
03:00
6°C 10°C 11°C - 100% 0.34kPa
04:00
6.3°C 10°C 11°C - 100% 0.32kPa
05:00
6.6°C 10°C 11°C - 100% 0.31kPa
06:00
7.2°C 10°C 11°C - 100% 0.31kPa
07:00
7.6°C 9.8°C 11°C - 88% 0.3kPa
08:00
7.8°C 9.9°C 12°C - 88% 0.35kPa
09:00
8°C 10°C 13°C - 100% 0.38kPa
10:00
8.3°C 10°C 12°C - 100% 0.33kPa
11:00
8.3°C 10°C 13°C - 88% 0.37kPa
12:00
8.3°C 11°C 14°C - 78% 0.5kPa
13:00
8.6°C 11°C 15°C - 88% 0.6kPa
14:00
8.8°C 12°C 16°C - 68% 0.7kPa
15:00
9°C 13°C 17°C - 100% 0.78kPa
16:00
9.8°C 13°C 15°C - 100% 0.53kPa
17:00
9.7°C 13°C 14°C - 100% 0.4kPa
18:00
9.8°C 13°C 13°C - 100% 0.27kPa
19:00
9.8°C 12°C 12°C - 81% 0.2kPa
20:00
9.8°C 12°C 12°C - 100% 0.22kPa
21:00
10°C 12°C 13°C - 69% 0.2kPa
22:00
11°C 13°C 13°C - 38% 0.19kPa
23:00
11°C 13°C 13°C - 7% 0.17kPa
Sat, Jul 11
24:00
11°C 13°C 14°C - 37% 0.25kPa
01:00
11°C 13°C 14°C - 68% 0.33kPa
02:00
11°C 13°C 15°C - 99% 0.41kPa
03:00
11°C 13°C 14°C - 88% 0.33kPa
04:00
11°C 14°C 14°C - 77% 0.26kPa
05:00
11°C 14°C 13°C - 66% 0.19kPa
06:00
11°C 14°C 13°C - 77% 0.18kPa
07:00
11°C 14°C 13°C - 89% 0.17kPa
08:00
10°C 14°C 12°C - 100% 0.16kPa
09:00
9.6°C 14°C 11°C - 100% 0.13kPa
10:00
8.7°C 13°C 10°C - 100% 0.1kPa
11:00
7.9°C 13°C 8.9°C - 100% 0.08kPa
12:00
7.5°C 13°C 8.6°C - 100% 0.08kPa
13:00
7.2°C 12°C 8.3°C - 100% 0.08kPa
14:00
6.9°C 12°C 8°C - 100% 0.07kPa
15:00
6.7°C 12°C 7.7°C - 100% 0.07kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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