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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 92% failing
Time Window 83% failing

Currently

Real-time conditions
Soil Temperature22.7°C
Dew Point14.6°C (moderate dew point)
Wind Speed4.2m/s (calm conditions)
Cloud Cover5%

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
Tue, Jul 7
16:000%5.1m/s
17:000%4.4m/s
18:000%4.2m/s
19:000%3.6m/s
20:000%3.4m/s
21:000%2.8m/s
22:000%2.6m/s
23:000%3m/s
Wed, Jul 8
24:000%3.3m/s
01:000%3.2m/s
02:000%3.1m/s
03:000%2.8m/s
04:000%3m/s
05:000%3.1m/s
06:000%3m/s
07:000%3.3m/s
08:000%3.5m/s
09:000%3.5m/s
10:000%3.8m/s
11:000%4m/s
12:000%4.2m/s
13:000%4.3m/s
14:000%4.3m/s
15:000%4.2m/s
16:000%4.2m/s
17:000%4.2m/s
18:000%4m/s
19:000%3.9m/s
20:000%3.6m/s
21:000%3.3m/s
22:000%2.4m/s
23:000%2m/s
Thu, Jul 9
24:000%1.9m/s
01:000%1.9m/s
02:000%1.8m/s
03:000%1.7m/s
04:000%1.5m/s
05:000%1.2m/s
06:000%1.2m/s
07:000%1.1m/s
08:000%1.1m/s
09:000%1.3m/s
10:000%1.3m/s
11:000%1.8m/s
12:000%2.5m/s
13:000%3.1m/s
14:000%3.5m/s
15:000%3.8m/s
16:000%4.3m/s
17:000%4.5m/s
18:000%4.6m/s
19:000%4.6m/s
20:000%4.3m/s
21:000%3.6m/s
22:000%3.2m/s
23:000%3.7m/s
Fri, Jul 10
24:000%3.6m/s
01:000%3.5m/s
02:000%3.3m/s
03:000%3.1m/s
04:000%2.9m/s
05:000%2.9m/s
06:000%2.8m/s
07:000%2.8m/s
08:000%2.9m/s
09:000%2.9m/s
10:000%2.8m/s
11:000%2.7m/s
12:000%2.7m/s
13:000%3.1m/s
14:000%4m/s
15:000%5m/s
16:000%6m/s
17:000%6.2m/s
18:000%6.7m/s
19:000%6.7m/s
20:000%6.1m/s
21:000%4.9m/s
22:000%3.6m/s
23:000%2.4m/s
Sat, Jul 11
24:000%2.5m/s
01:000%2.7m/s
02:000%2.8m/s
03:000%3m/s
04:000%3.1m/s
05:000%3.2m/s
06:000%3.6m/s
07:000%4m/s
08:000%4.4m/s
09:000%4.8m/s
10:000%5.2m/s
11:000%5.5m/s
12:000%5.1m/s
13:000%4.6m/s
14:000%4.2m/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 05:33 Sunset 22:01
16:00
15°C 23°C 21°C - 5% 0.89kPa
17:00
15°C 23°C 21°C - 5% 0.89kPa
18:00
14°C 23°C 21°C - 5% 0.85kPa
19:00
15°C 23°C 21°C - 5% 0.79kPa
20:00
15°C 22°C 20°C - 5% 0.71kPa
21:00
15°C 22°C 19°C - 5% 0.57kPa
22:00
15°C 21°C 18°C - 5% 0.41kPa
23:00
15°C 21°C 18°C - 5% 0.35kPa
Thu, Jul 9 Sunrise 05:33 Sunset 22:01
24:00
15°C 20°C 18°C - 5% 0.34kPa
01:00
15°C 20°C 18°C - 3% 0.33kPa
02:00
14°C 19°C 17°C - 0% 0.32kPa
03:00
14°C 19°C 17°C - 0% 0.31kPa
04:00
14°C 19°C 17°C - 0% 0.3kPa
05:00
14°C 18°C 17°C - 0% 0.28kPa
06:00
14°C 18°C 16°C - 5% 0.28kPa
07:00
14°C 18°C 17°C - 5% 0.37kPa
08:00
14°C 18°C 18°C - 5% 0.53kPa
09:00
14°C 19°C 20°C - 5% 0.74kPa
10:00
14°C 19°C 21°C - 5% 0.96kPa
11:00
14°C 20°C 23°C - 5% 1.1kPa
12:00
14°C 22°C 23°C - 5% 1.3kPa
13:00
14°C 23°C 24°C - 5% 1.3kPa
14:00
14°C 23°C 25°C - 5% 1.4kPa
15:00
15°C 24°C 25°C - 5% 1.5kPa
16:00
15°C 25°C 25°C - 5% 1.5kPa
17:00
15°C 25°C 25°C - 5% 1.4kPa
18:00
15°C 25°C 24°C - 5% 1.3kPa
19:00
15°C 25°C 23°C - 5% 1.1kPa
20:00
16°C 25°C 22°C - 5% 0.9kPa
21:00
16°C 24°C 22°C - 23% 0.83kPa
22:00
16°C 24°C 22°C - 61% 0.83kPa
23:00
15°C 23°C 21°C - 64% 0.77kPa
Fri, Jul 10 Sunrise 05:34 Sunset 22:00
24:00
15°C 23°C 20°C - 64% 0.66kPa
01:00
15°C 22°C 19°C - 100% 0.55kPa
02:00
15°C 22°C 19°C - 100% 0.5kPa
03:00
15°C 21°C 19°C - 92% 0.45kPa
04:00
15°C 21°C 18°C - 85% 0.4kPa
05:00
14°C 20°C 17°C - 63% 0.38kPa
06:00
13°C 20°C 17°C - 47% 0.41kPa
07:00
13°C 19°C 18°C - 39% 0.54kPa
08:00
12°C 19°C 19°C - 5% 0.77kPa
09:00
12°C 20°C 21°C - 42% 1kPa
10:00
13°C 20°C 23°C - 54% 1.3kPa
11:00
13°C 21°C 24°C - 66% 1.5kPa
12:00
13°C 22°C 25°C - 29% 1.7kPa
13:00
14°C 23°C 26°C - 4% 1.8kPa
14:00
14°C 25°C 26°C - 2% 1.8kPa
15:00
15°C 25°C 26°C - 0% 1.7kPa
16:00
15°C 26°C 25°C - 0% 1.4kPa
17:00
16°C 26°C 24°C - 0% 1.2kPa
18:00
16°C 26°C 24°C - 0% 1.1kPa
19:00
16°C 25°C 23°C - 0% 1.1kPa
20:00
16°C 25°C 23°C - 0% 1.1kPa
21:00
16°C 24°C 21°C - 0% 0.71kPa
22:00
15°C 22°C 19°C - 0% 0.42kPa
23:00
14°C 20°C 16°C - 0% 0.2kPa
Sat, Jul 11 Sunrise 05:35 Sunset 22:00
24:00
14°C 20°C 17°C - 0% 0.31kPa
01:00
14°C 20°C 18°C - 0% 0.44kPa
02:00
14°C 20°C 19°C - 0% 0.59kPa
03:00
14°C 20°C 21°C - 2% 0.89kPa
04:00
14°C 21°C 23°C - 3% 1.3kPa
05:00
13°C 21°C 25°C - 5% 1.7kPa
06:00
13°C 22°C 26°C - 3% 1.9kPa
07:00
12°C 22°C 27°C - 2% 2.1kPa
08:00
12°C 23°C 28°C - 0% 2.3kPa
09:00
13°C 23°C 27°C - 0% 2.1kPa
10:00
13°C 24°C 26°C - 0% 1.9kPa
11:00
14°C 24°C 26°C - 0% 1.7kPa
12:00
13°C 24°C 26°C - 0% 1.8kPa
13:00
13°C 24°C 26°C - 0% 1.9kPa
14:00
12°C 25°C 26°C - 0% 2kPa
15:00
14°C 24°C 24°C - 0% 1.5kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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