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Rule Morning Frost

Podere Belvedere - Morning Frost - Tuscany

San Quirico d'Orcia, Tuscany, Italy

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 88% failing
Time Window 83% failing

Currently

Real-time conditions
Soil Temperature17.8°C
Dew Point9.6°C (moderate dew point)
Wind Speed6.7m/s (moderate winds)
Cloud Cover5%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome

No opportunities in the next 10 days

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

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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/Rome
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sun, May 24
06:000%2.5m/s
07:000%2.5m/s
08:000%2.9m/s
09:000%3.3m/s
10:000%5.9m/s
11:000%6.6m/s
12:000%7m/s
13:000%7m/s
14:000%6.8m/s
15:000%6.7m/s
16:000%6.7m/s
17:000%6.5m/s
18:000%6.1m/s
19:000%5.4m/s
20:000%4m/s
21:000%3m/s
22:000%2.7m/s
23:000%2.5m/s
Mon, May 25
24:000%2.3m/s
01:000%2.4m/s
02:000%2.6m/s
03:000%2.5m/s
04:000%2.4m/s
05:000%2.3m/s
06:000%2.3m/s
07:000%2.2m/s
08:000%2.5m/s
09:000%3.2m/s
10:000%4.5m/s
11:000%5.3m/s
12:000%5.4m/s
13:000%5.3m/s
14:000%4.9m/s
15:000%4.8m/s
16:000%4.6m/s
17:000%4.4m/s
18:000%3.9m/s
19:000%3.1m/s
20:000%2.3m/s
21:000%2.1m/s
22:000%2m/s
23:000%2m/s
Tue, May 26
24:000%2.1m/s
01:000%2m/s
02:000%2m/s
03:000%2m/s
04:000%1.9m/s
05:000%2m/s
06:000%2m/s
07:000%2m/s
08:000%2.3m/s
09:000%2.7m/s
10:000%3.5m/s
11:000%4.3m/s
12:000%4.2m/s
13:000%4m/s
14:000%3.8m/s
15:000%3.7m/s
16:000%3.6m/s
17:000%3.2m/s
18:000%2.4m/s
19:000%0.96m/s
20:000%1.4m/s
21:000%1.3m/s
22:000%1.3m/s
23:000%1.3m/s
Wed, May 27
24:000%1.3m/s
01:000%1.4m/s
02:000%1.5m/s
03:000%1.7m/s
04:000%1.8m/s
05:000%2m/s
06:000%2.3m/s
07:000%2.6m/s
08:000%2.9m/s
09:000%2.5m/s
10:000%2.2m/s
11:000%1.8m/s
12:000%1.5m/s
13:000%1.2m/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/Rome
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Sun, May 24 Sunrise 05:42 Sunset 20:38
15:00
9.6°C 18°C 27°C - 5% 2.3kPa
16:00
9.8°C 18°C 26°C - 6% 2.2kPa
17:00
10°C 18°C 26°C - 12% 2kPa
18:00
12°C 19°C 25°C - 5% 1.8kPa
19:00
12°C 19°C 23°C - 0% 1.4kPa
20:00
12°C 19°C 20°C - 5% 0.89kPa
21:00
11°C 18°C 17°C - 1% 0.58kPa
22:00
10°C 18°C 16°C - 1% 0.55kPa
23:00
10°C 18°C 16°C - 1% 0.53kPa
Mon, May 25 Sunrise 05:42 Sunset 20:38
24:00
9.8°C 18°C 15°C - 2% 0.49kPa
01:00
9.8°C 18°C 15°C - 4% 0.46kPa
02:00
9.7°C 17°C 15°C - 3% 0.45kPa
03:00
9.6°C 17°C 14°C - 5% 0.44kPa
04:00
9.3°C 17°C 14°C - 21% 0.44kPa
05:00
9.1°C 17°C 14°C - 41% 0.46kPa
06:00
9.1°C 17°C 14°C - 17% 0.48kPa
07:00
11°C 16°C 16°C - 5% 0.56kPa
08:00
12°C 17°C 19°C - 5% 0.86kPa
09:00
12°C 17°C 22°C - 4% 1.2kPa
10:00
13°C 17°C 24°C - 4% 1.6kPa
11:00
13°C 17°C 26°C - 5% 1.8kPa
12:00
13°C 18°C 27°C - 5% 2.1kPa
13:00
12°C 18°C 28°C - 5% 2.4kPa
14:00
11°C 18°C 29°C - 5% 2.6kPa
15:00
11°C 19°C 29°C - 5% 2.7kPa
16:00
11°C 19°C 29°C - 5% 2.7kPa
17:00
11°C 20°C 28°C - 5% 2.5kPa
18:00
12°C 20°C 27°C - 5% 2.2kPa
19:00
14°C 20°C 25°C - 5% 1.6kPa
20:00
15°C 20°C 22°C - 7% 0.91kPa
21:00
13°C 20°C 19°C - 5% 0.69kPa
22:00
12°C 20°C 18°C - 5% 0.64kPa
23:00
12°C 19°C 18°C - 5% 0.64kPa
Tue, May 26 Sunrise 05:41 Sunset 20:39
24:00
11°C 19°C 17°C - 5% 0.64kPa
01:00
11°C 19°C 17°C - 4% 0.61kPa
02:00
11°C 19°C 17°C - 5% 0.58kPa
03:00
11°C 19°C 16°C - 5% 0.55kPa
04:00
11°C 18°C 16°C - 5% 0.54kPa
05:00
11°C 18°C 16°C - 5% 0.54kPa
06:00
11°C 18°C 16°C - 5% 0.53kPa
07:00
12°C 18°C 18°C - 5% 0.62kPa
08:00
13°C 18°C 21°C - 5% 0.98kPa
09:00
13°C 18°C 23°C - 30% 1.3kPa
10:00
13°C 18°C 26°C - 22% 1.7kPa
11:00
14°C 19°C 27°C - 24% 2kPa
12:00
13°C 19°C 29°C - 28% 2.4kPa
13:00
13°C 19°C 29°C - 11% 2.6kPa
14:00
13°C 20°C 30°C - 17% 2.8kPa
15:00
13°C 20°C 30°C - 5% 2.8kPa
16:00
13°C 21°C 30°C - 5% 2.8kPa
17:00
13°C 21°C 30°C - 5% 2.7kPa
18:00
14°C 21°C 29°C - 5% 2.5kPa
19:00
17°C 21°C 27°C - 5% 1.7kPa
20:00
16°C 21°C 23°C - 2% 1.1kPa
21:00
15°C 21°C 21°C - 13% 0.8kPa
22:00
14°C 20°C 19°C - 24% 0.6kPa
23:00
14°C 20°C 17°C - 35% 0.43kPa
Wed, May 27 Sunrise 05:40 Sunset 20:40
24:00
14°C 19°C 19°C - 56% 0.56kPa
01:00
15°C 19°C 20°C - 76% 0.71kPa
02:00
15°C 19°C 22°C - 96% 0.88kPa
03:00
15°C 19°C 23°C - 98% 1.2kPa
04:00
15°C 20°C 25°C - 99% 1.5kPa
05:00
15°C 20°C 27°C - 100% 1.9kPa
06:00
14°C 20°C 28°C - 68% 2.2kPa
07:00
14°C 21°C 29°C - 37% 2.5kPa
08:00
13°C 21°C 30°C - 5% 2.8kPa
09:00
13°C 21°C 30°C - 4% 2.9kPa
10:00
12°C 22°C 31°C - 3% 3kPa
11:00
12°C 22°C 31°C - 2% 3kPa
12:00
14°C 22°C 28°C - 2% 2.3kPa
13:00
16°C 22°C 26°C - 2% 1.6kPa
14:00
16°C 22°C 24°C - 2% 1.1kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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