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Rule Morning Frost

Alkmaar - Morning Frost - The Netherlands

Alkmaar, North Holland, The Netherlands

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)
Frost Probability 100% failing
Wind Speed 96% failing
Time Window 86% failing

Currently

Real-time conditions
Soil Temperature16.7°C
Dew Point12.4°C (moderate dew point)
Wind Speed3.1m/s (calm conditions)
Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Amsterdam

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

Dutch winters, when temperatures drop below freezing for extended periods, transform the country's canals and polders into a magical frozen landscape. Hoar frost decorates windmills, creating delicate ice crystal coatings that catch morning light. The historic Elfstedentocht (Eleven Cities Tour) ice-skating conditions—though rare—exemplify the photography potential.

The flat landscape and high humidity create ideal conditions for heavy frost formation. Windmills accumulate intricate ice crystals on their wooden blades and structures. When canals freeze solid, the Netherlands' character transforms—the water that defines the landscape becomes walkable, creating unique perspectives.

What makes Dutch frost photography special:

  • Windmill ice crystals - Hoar frost coating historic structures in delicate white patterns
  • Frozen canal perspective - Unique viewpoints walking on typically impassable water
  • Polder snow simplicity - Minimalist white expanses broken only by windmills and farms
  • Urban canal ice - Amsterdam and Leiden's waterways frozen with footprints and skate tracks

True freezing conditions requiring sustained temperatures below -5°C for multiple days are becoming rarer with climate change. When they occur (typically January-February), act quickly—conditions may last only days. Best frost photography occurs at sunrise when low-angle light illuminates ice crystals. The Kinderdijk, Giethoorn's canals, and rural polders of Friesland offer exceptional winter scenes. Safety first—never venture onto ice without local knowledge of thickness.

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72-hour requirements breakdown

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/Amsterdam
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sat, May 23
15:000%4.7m/s
16:000%5.3m/s
17:000%5m/s
18:000%4.4m/s
19:000%4.3m/s
20:000%4.1m/s
21:000%3.5m/s
22:000%3.3m/s
23:000%3.1m/s
Sun, May 24
24:000%3.1m/s
01:000%2.9m/s
02:000%2.8m/s
03:000%2.6m/s
04:000%2.7m/s
05:000%2.5m/s
06:000%2.1m/s
07:000%1.8m/s
08:000%1.7m/s
09:000%1.9m/s
10:000%2m/s
11:000%2.2m/s
12:000%2.4m/s
13:000%2.6m/s
14:000%2.8m/s
15:000%3.1m/s
16:000%3.2m/s
17:000%3.4m/s
18:000%3.3m/s
19:000%3.2m/s
20:000%2.8m/s
21:000%2.9m/s
22:000%2.7m/s
23:000%2.5m/s
Mon, May 25
24:000%2.5m/s
01:000%2.7m/s
02:000%2.8m/s
03:000%2.8m/s
04:000%2.6m/s
05:000%2.5m/s
06:000%2.4m/s
07:000%2.3m/s
08:000%1.9m/s
09:000%1.8m/s
10:000%1.4m/s
11:000%1.1m/s
12:000%1.2m/s
13:000%1.8m/s
14:000%2.2m/s
15:000%2.6m/s
16:000%2.8m/s
17:000%2.7m/s
18:000%2.3m/s
19:000%2.2m/s
20:000%2.1m/s
21:000%2.3m/s
22:000%2.2m/s
23:000%1.9m/s
Tue, May 26
24:000%1.7m/s
01:000%1.7m/s
02:000%2m/s
03:000%2.2m/s
04:000%2.4m/s
05:000%2.6m/s
06:000%2.4m/s
07:000%2m/s
08:000%1.8m/s
09:000%2.1m/s
10:000%2.4m/s
11:000%2.7m/s
12:000%3.1m/s
13:000%3.3m/s
14:000%3.5m/s
15:000%3.6m/s
16:000%3.8m/s
17:000%3.8m/s
18:000%3.9m/s
19:000%3.9m/s
20:000%3.5m/s
21:000%4.5m/s
22:000%5.4m/s
23:000%6.3m/s
Wed, May 27
24:000%6.5m/s
01:000%6.7m/s
02:000%6.9m/s
03:000%6.8m/s
04:000%6.6m/s
05:000%6.4m/s
06:000%6.4m/s
07:000%6.5m/s
08:000%6.5m/s
09:000%6.9m/s
10:000%7.2m/s
11:000%7.6m/s
12:000%7.5m/s
13:000%7.4m/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/Amsterdam
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Sun, May 24 Sunrise 05:32 Sunset 21:44
15:00
12°C 17°C 22°C - 100% 1.1kPa
16:00
12°C 17°C 22°C - 64% 1.1kPa
17:00
12°C 17°C 21°C - 14% 1.1kPa
18:00
12°C 17°C 21°C - 6% 1kPa
19:00
12°C 17°C 20°C - 5% 0.92kPa
20:00
13°C 17°C 18°C - 5% 0.62kPa
21:00
12°C 17°C 16°C - 5% 0.47kPa
22:00
9.9°C 17°C 15°C - 33% 0.44kPa
23:00
10°C 17°C 14°C - 18% 0.38kPa
Mon, May 25 Sunrise 05:32 Sunset 21:44
24:00
12°C 17°C 14°C - 5% 0.25kPa
01:00
12°C 16°C 14°C - 5% 0.17kPa
02:00
12°C 16°C 14°C - 8% 0.15kPa
03:00
12°C 16°C 13°C - 5% 0.14kPa
04:00
12°C 16°C 13°C - 5% 0.15kPa
05:00
12°C 15°C 13°C - 5% 0.15kPa
06:00
11°C 15°C 13°C - 5% 0.17kPa
07:00
12°C 15°C 15°C - 8% 0.27kPa
08:00
13°C 15°C 17°C - 5% 0.47kPa
09:00
13°C 15°C 19°C - 5% 0.68kPa
10:00
14°C 15°C 21°C - 3% 0.88kPa
11:00
14°C 16°C 22°C - 5% 1.1kPa
12:00
14°C 16°C 23°C - 5% 1.2kPa
13:00
14°C 17°C 24°C - 5% 1.3kPa
14:00
15°C 17°C 24°C - 5% 1.3kPa
15:00
15°C 17°C 24°C - 5% 1.3kPa
16:00
15°C 18°C 23°C - 5% 1.2kPa
17:00
15°C 18°C 23°C - 5% 1.1kPa
18:00
15°C 18°C 23°C - 5% 1.1kPa
19:00
15°C 18°C 22°C - 4% 0.98kPa
20:00
15°C 18°C 21°C - 0% 0.67kPa
21:00
14°C 18°C 18°C - 3% 0.47kPa
22:00
12°C 18°C 16°C - 0% 0.41kPa
23:00
11°C 18°C 16°C - 0% 0.43kPa
Tue, May 26 Sunrise 05:31 Sunset 21:45
24:00
11°C 17°C 15°C - 0% 0.44kPa
01:00
11°C 17°C 15°C - 0% 0.45kPa
02:00
11°C 17°C 15°C - 0% 0.45kPa
03:00
11°C 17°C 15°C - 0% 0.42kPa
04:00
11°C 16°C 15°C - 1% 0.38kPa
05:00
11°C 16°C 15°C - 0% 0.33kPa
06:00
12°C 16°C 15°C - 0% 0.3kPa
07:00
13°C 16°C 17°C - 0% 0.37kPa
08:00
14°C 16°C 19°C - 0% 0.58kPa
09:00
15°C 16°C 21°C - 0% 0.79kPa
10:00
15°C 16°C 22°C - 0% 0.98kPa
11:00
15°C 17°C 23°C - 0% 1.1kPa
12:00
15°C 17°C 24°C - 3% 1.2kPa
13:00
15°C 17°C 24°C - 2% 1.3kPa
14:00
15°C 18°C 24°C - 0% 1.3kPa
15:00
15°C 18°C 24°C - 0% 1.3kPa
16:00
15°C 18°C 23°C - 0% 1.2kPa
17:00
15°C 19°C 23°C - 0% 1.1kPa
18:00
15°C 19°C 22°C - 1% 0.86kPa
19:00
14°C 19°C 20°C - 0% 0.65kPa
20:00
14°C 19°C 18°C - 0% 0.49kPa
21:00
13°C 3254°C 16°C - 33% 0.37kPa
22:00
11°C 6490°C 14°C - 67% 0.28kPa
23:00
10°C 9726°C 13°C - 100% 0.19kPa
Wed, May 27 Sunrise 05:29 Sunset 21:46
24:00
9.8°C 9726°C 13°C - 81% 0.25kPa
01:00
9.2°C 9726°C 13°C - 62% 0.31kPa
02:00
8.5°C 9726°C 13°C - 43% 0.36kPa
03:00
8.3°C 9726°C 13°C - 30% 0.43kPa
04:00
8.1°C 9726°C 14°C - 18% 0.51kPa
05:00
7.8°C 9726°C 14°C - 5% 0.59kPa
06:00
7.8°C 9726°C 15°C - 24% 0.62kPa
07:00
7.9°C 9726°C 15°C - 43% 0.66kPa
08:00
7.9°C 9726°C 16°C - 62% 0.69kPa
09:00
7.8°C 9726°C 15°C - 45% 0.68kPa
10:00
7.7°C 9726°C 15°C - 29% 0.66kPa
11:00
7.6°C 9726°C 15°C - 12% 0.65kPa
12:00
7.7°C 9726°C 14°C - 12% 0.59kPa
13:00
7.8°C 9726°C 14°C - 11% 0.53kPa
14:00
7.9°C 9726°C 13°C - 11% 0.48kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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