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Rule Morning Frost

Delft - Morning Frost - The Netherlands

Delft, South 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 90% failing
Time Window 83% failing

Currently

Real-time conditions
Soil Temperature23.8°C
Dew Point11.3°C (moderate dew point)
Wind Speed3.5m/s (calm conditions)
Cloud Cover14%

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%4.5m/s
16:000%4.6m/s
17:000%4.1m/s
18:000%4m/s
19:000%3.5m/s
20:000%3.8m/s
21:000%3.5m/s
22:000%3.4m/s
23:000%3.5m/s
Sun, May 24
24:000%3.1m/s
01:000%2.7m/s
02:000%2.3m/s
03:000%2.3m/s
04:000%2.2m/s
05:000%2.3m/s
06:000%2.2m/s
07:000%2.1m/s
08:000%2.2m/s
09:000%2.2m/s
10:000%2.1m/s
11:000%2.2m/s
12:000%2.5m/s
13:000%3.1m/s
14:000%3.3m/s
15:000%3.5m/s
16:000%3.8m/s
17:000%4m/s
18:000%3.9m/s
19:000%3.8m/s
20:000%3.3m/s
21:000%2.7m/s
22:000%3m/s
23:000%2.8m/s
Mon, May 25
24:000%2.7m/s
01:000%2.5m/s
02:000%2.4m/s
03:000%2.4m/s
04:000%2.2m/s
05:000%2.2m/s
06:000%2.2m/s
07:000%2.1m/s
08:000%2m/s
09:000%1.9m/s
10:000%1.5m/s
11:000%1.3m/s
12:000%0.86m/s
13:000%1.4m/s
14:000%2.2m/s
15:000%2.7m/s
16:000%3.1m/s
17:000%3.5m/s
18:000%3.6m/s
19:000%3.6m/s
20:000%3.3m/s
21:000%2.7m/s
22:000%2.3m/s
23:000%2.5m/s
Tue, May 26
24:000%2.5m/s
01:000%2.4m/s
02:000%2.3m/s
03:000%2.3m/s
04:000%2.3m/s
05:000%2.3m/s
06:000%2.2m/s
07:000%1.9m/s
08:000%1.9m/s
09:000%1.6m/s
10:000%0.9m/s
11:000%0.49m/s
12:000%0.31m/s
13:000%1.5m/s
14:000%2.3m/s
15:000%2.9m/s
16:000%3.5m/s
17:000%4.2m/s
18:000%4.5m/s
19:000%4.2m/s
20:000%4m/s
21:000%3.9m/s
22:000%3.8m/s
23:000%3.7m/s
Wed, May 27
24:000%4.1m/s
01:000%4.5m/s
02:000%4.9m/s
03:000%5m/s
04:000%5m/s
05:000%5m/s
06:000%4.9m/s
07:000%4.9m/s
08:000%4.8m/s
09:000%5m/s
10:000%5.1m/s
11:000%5.2m/s
12:000%5.2m/s
13:000%5.1m/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 05:36 Sunset 21:42
15:00
11°C 24°C 24°C - 14% 1.6kPa
16:00
11°C 24°C 23°C - 89% 1.5kPa
17:00
11°C 25°C 23°C - 77% 1.4kPa
18:00
12°C 25°C 22°C - 86% 1.3kPa
19:00
12°C 24°C 22°C - 51% 1.2kPa
20:00
12°C 24°C 21°C - 10% 1.1kPa
21:00
12°C 23°C 21°C - 5% 1kPa
22:00
12°C 23°C 20°C - 18% 0.91kPa
23:00
11°C 22°C 19°C - 5% 0.82kPa
Mon, May 25 Sunrise 05:36 Sunset 21:42
24:00
12°C 21°C 18°C - 10% 0.69kPa
01:00
13°C 20°C 17°C - 6% 0.53kPa
02:00
13°C 20°C 17°C - 5% 0.45kPa
03:00
13°C 19°C 16°C - 5% 0.4kPa
04:00
12°C 18°C 16°C - 5% 0.39kPa
05:00
12°C 18°C 16°C - 5% 0.38kPa
06:00
12°C 17°C 16°C - 5% 0.37kPa
07:00
12°C 17°C 16°C - 5% 0.44kPa
08:00
12°C 17°C 18°C - 5% 0.63kPa
09:00
12°C 18°C 19°C - 5% 0.85kPa
10:00
12°C 19°C 21°C - 5% 1.1kPa
11:00
12°C 20°C 22°C - 5% 1.3kPa
12:00
12°C 22°C 24°C - 5% 1.5kPa
13:00
12°C 23°C 25°C - 5% 1.7kPa
14:00
12°C 25°C 25°C - 5% 1.7kPa
15:00
12°C 26°C 25°C - 5% 1.8kPa
16:00
12°C 26°C 25°C - 5% 1.8kPa
17:00
12°C 26°C 25°C - 5% 1.7kPa
18:00
12°C 26°C 24°C - 5% 1.6kPa
19:00
12°C 26°C 23°C - 5% 1.4kPa
20:00
12°C 26°C 22°C - 5% 1.3kPa
21:00
12°C 25°C 21°C - 5% 1.1kPa
22:00
12°C 24°C 20°C - 5% 0.92kPa
23:00
13°C 23°C 20°C - 5% 0.81kPa
Tue, May 26 Sunrise 05:35 Sunset 21:44
24:00
13°C 22°C 19°C - 0% 0.8kPa
01:00
12°C 22°C 19°C - 0% 0.79kPa
02:00
11°C 21°C 18°C - 5% 0.74kPa
03:00
12°C 20°C 18°C - 5% 0.62kPa
04:00
13°C 20°C 17°C - 5% 0.48kPa
05:00
13°C 19°C 17°C - 9% 0.44kPa
06:00
13°C 19°C 17°C - 5% 0.43kPa
07:00
13°C 19°C 18°C - 0% 0.5kPa
08:00
13°C 19°C 19°C - 0% 0.7kPa
09:00
13°C 19°C 21°C - 0% 0.93kPa
10:00
13°C 20°C 22°C - 0% 1.2kPa
11:00
13°C 22°C 24°C - 0% 1.4kPa
12:00
12°C 23°C 25°C - 0% 1.7kPa
13:00
12°C 25°C 26°C - 0% 1.9kPa
14:00
12°C 26°C 26°C - 0% 1.9kPa
15:00
12°C 27°C 26°C - 0% 1.9kPa
16:00
12°C 28°C 26°C - 0% 1.8kPa
17:00
12°C 28°C 25°C - 0% 1.7kPa
18:00
12°C 27°C 24°C - 0% 1.5kPa
19:00
12°C 27°C 23°C - 0% 1.3kPa
20:00
12°C 26°C 21°C - 0% 1.1kPa
21:00
12°C 24°C 19°C - 11% 0.75kPa
22:00
12°C 21°C 16°C - 21% 0.46kPa
23:00
11°C 18°C 14°C - 32% 0.24kPa
Wed, May 27 Sunrise 05:34 Sunset 21:45
24:00
11°C 18°C 14°C - 23% 0.35kPa
01:00
9.8°C 18°C 15°C - 14% 0.47kPa
02:00
8.9°C 17°C 15°C - 5% 0.6kPa
03:00
8.4°C 17°C 17°C - 5% 0.8kPa
04:00
7.6°C 18°C 18°C - 5% 1kPa
05:00
6.5°C 18°C 19°C - 5% 1.3kPa
06:00
6.5°C 18°C 20°C - 5% 1.4kPa
07:00
6.5°C 19°C 21°C - 5% 1.6kPa
08:00
6.4°C 19°C 22°C - 5% 1.7kPa
09:00
5.8°C 20°C 22°C - 3% 1.7kPa
10:00
5.1°C 20°C 22°C - 2% 1.8kPa
11:00
4.5°C 21°C 22°C - 0% 1.8kPa
12:00
4.9°C 21°C 21°C - 0% 1.6kPa
13:00
5.1°C 20°C 19°C - 0% 1.4kPa
14:00
5.2°C 20°C 18°C - 0% 1.2kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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