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Rule Morning Frost

Utrecht - Morning Frost - The Netherlands

Utrecht, Utrecht, 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 Temperature21.1°C
Dew Point13.5°C (moderate dew point)
Wind Speed4.8m/s (calm conditions)
Cloud Cover42%

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 80 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
Wed, Jul 8
07:000%2.6m/s
08:000%3.7m/s
09:000%3.9m/s
10:000%4.1m/s
11:000%4.6m/s
12:000%4.5m/s
13:000%4.4m/s
14:000%4.7m/s
15:000%4.8m/s
16:000%4.8m/s
17:000%4.7m/s
18:000%4.4m/s
19:000%4.3m/s
20:000%4m/s
21:000%3.2m/s
22:000%2.6m/s
23:000%2.1m/s
Thu, Jul 9
24:000%1.9m/s
01:000%1.7m/s
02:000%1.7m/s
03:000%1.5m/s
04:000%1.3m/s
05:000%1.2m/s
06:000%0.82m/s
07:000%0.72m/s
08:000%1.2m/s
09:000%1.4m/s
10:000%1.7m/s
11:000%1.9m/s
12:000%2.4m/s
13:000%2.6m/s
14:000%3m/s
15:000%3.5m/s
16:000%4.2m/s
17:000%4.7m/s
18:000%4.7m/s
19:000%4.6m/s
20:000%4.4m/s
21:000%3.8m/s
22:000%3.4m/s
23:000%3.3m/s
Fri, Jul 10
24:000%3.2m/s
01:000%3m/s
02:000%2.8m/s
03:000%2.7m/s
04:000%2.7m/s
05:000%2.6m/s
06:000%2.5m/s
07:000%2.3m/s
08:000%3m/s
09:000%3m/s
10:000%3.2m/s
11:000%3.3m/s
12:000%3.3m/s
13:000%3.3m/s
14:000%3.5m/s
15:000%3.6m/s
16:000%4m/s
17:000%4.7m/s
18:000%5.2m/s
19:000%5.7m/s
20:000%5.7m/s
21:000%4.6m/s
22:000%3.6m/s
23:000%2.5m/s
Sat, Jul 11
24:000%2.6m/s
01:000%2.7m/s
02:000%2.8m/s
03:000%3m/s
04:000%3.2m/s
05:000%3.4m/s
06:000%3.5m/s
07:000%3.5m/s
08:000%3.6m/s
09:000%3.9m/s
10:000%4.1m/s
11:000%4.4m/s
12:000%4.7m/s
13:000%5m/s
14:000%5.3m/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
Wed, Jul 8 Sunrise 05:29 Sunset 21:59
16:00
14°C 21°C 25°C - 42% 1.7kPa
17:00
14°C 21°C 25°C - 28% 1.7kPa
18:00
14°C 22°C 25°C - 18% 1.6kPa
19:00
14°C 22°C 24°C - 18% 1.5kPa
20:00
14°C 22°C 23°C - 5% 1.3kPa
21:00
14°C 22°C 21°C - 5% 0.95kPa
22:00
14°C 21°C 18°C - 5% 0.5kPa
23:00
14°C 21°C 17°C - 5% 0.29kPa
Thu, Jul 9 Sunrise 05:29 Sunset 21:59
24:00
14°C 21°C 16°C - 5% 0.21kPa
01:00
14°C 20°C 16°C - 3% 0.17kPa
02:00
14°C 20°C 15°C - 2% 0.15kPa
03:00
14°C 19°C 15°C - 0% 0.13kPa
04:00
14°C 19°C 15°C - 0% 0.11kPa
05:00
13°C 19°C 14°C - 0% 0.1kPa
06:00
13°C 19°C 14°C - 0% 0.11kPa
07:00
14°C 18°C 16°C - 4% 0.22kPa
08:00
14°C 18°C 18°C - 0% 0.46kPa
09:00
14°C 19°C 20°C - 0% 0.79kPa
10:00
13°C 19°C 22°C - 5% 1.1kPa
11:00
13°C 19°C 24°C - 5% 1.5kPa
12:00
14°C 20°C 26°C - 5% 1.7kPa
13:00
14°C 20°C 27°C - 5% 1.9kPa
14:00
14°C 21°C 28°C - 5% 2.1kPa
15:00
14°C 22°C 29°C - 5% 2.3kPa
16:00
14°C 22°C 29°C - 5% 2.4kPa
17:00
14°C 22°C 29°C - 5% 2.3kPa
18:00
14°C 23°C 28°C - 5% 2.1kPa
19:00
14°C 23°C 27°C - 5% 1.9kPa
20:00
15°C 23°C 25°C - 5% 1.6kPa
21:00
15°C 23°C 23°C - 15% 1.1kPa
22:00
15°C 22°C 20°C - 64% 0.62kPa
23:00
15°C 22°C 19°C - 67% 0.44kPa
Fri, Jul 10 Sunrise 05:30 Sunset 21:58
24:00
15°C 22°C 18°C - 21% 0.37kPa
01:00
15°C 21°C 17°C - 65% 0.33kPa
02:00
14°C 21°C 17°C - 100% 0.25kPa
03:00
14°C 21°C 16°C - 93% 0.24kPa
04:00
13°C 20°C 15°C - 70% 0.24kPa
05:00
12°C 20°C 15°C - 40% 0.25kPa
06:00
12°C 20°C 15°C - 44% 0.25kPa
07:00
12°C 19°C 16°C - 46% 0.43kPa
08:00
12°C 19°C 19°C - 11% 0.74kPa
09:00
12°C 19°C 21°C - 5% 1.1kPa
10:00
12°C 20°C 23°C - 54% 1.4kPa
11:00
13°C 20°C 25°C - 19% 1.7kPa
12:00
13°C 20°C 26°C - 4% 2kPa
13:00
13°C 21°C 28°C - 3% 2.2kPa
14:00
13°C 22°C 29°C - 5% 2.5kPa
15:00
13°C 22°C 30°C - 11% 2.6kPa
16:00
13°C 23°C 30°C - 12% 2.8kPa
17:00
13°C 23°C 30°C - 3% 2.7kPa
18:00
14°C 23°C 29°C - 0% 2.5kPa
19:00
15°C 23°C 27°C - 0% 2kPa
20:00
15°C 23°C 25°C - 0% 1.5kPa
21:00
15°C 22°C 22°C - 0% 0.87kPa
22:00
15°C 21°C 19°C - 0% 0.43kPa
23:00
14°C 20°C 15°C - 0% 0.13kPa
Sat, Jul 11 Sunrise 05:31 Sunset 21:57
24:00
14°C 20°C 17°C - 0% 0.25kPa
01:00
14°C 20°C 18°C - 0% 0.39kPa
02:00
14°C 20°C 19°C - 0% 0.54kPa
03:00
14°C 20°C 21°C - 2% 0.85kPa
04:00
14°C 20°C 23°C - 3% 1.2kPa
05:00
13°C 21°C 25°C - 5% 1.7kPa
06:00
12°C 21°C 26°C - 5% 2kPa
07:00
11°C 22°C 27°C - 4% 2.3kPa
08:00
10°C 22°C 29°C - 4% 2.6kPa
09:00
10°C 22°C 29°C - 3% 2.7kPa
10:00
11°C 23°C 29°C - 1% 2.8kPa
11:00
11°C 23°C 29°C - 0% 2.8kPa
12:00
12°C 23°C 28°C - 0% 2.4kPa
13:00
13°C 24°C 26°C - 0% 2kPa
14:00
13°C 24°C 25°C - 0% 1.6kPa
15:00
14°C 24°C 23°C - 0% 1.3kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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