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Rule Morning Frost

Volterra - Morning Frost - Tuscany

Volterra, 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
Time Window 88% failing
Wind Speed 57% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature27.2°C
Dew Point12.8°C (moderate dew point)
Wind Speed6.1m/s (moderate winds)
Cloud Cover98%

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 81 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
Wed, Jul 8
06:00✓0%1.1m/s
07:00✓0%1.2m/s
08:00✕0%1m/s
09:00✕0%2m/s
10:00✕0%3.2m/s
11:00✕0%4m/s
12:00✕0%4.7m/s
13:00✕0%5.3m/s
14:00✕0%5.8m/s
15:00✕0%6.2m/s
16:00✕0%6.1m/s
17:00✕0%5.9m/s
18:00✕0%5.4m/s
19:00✕0%5m/s
20:00✕0%3.8m/s
21:00✕0%2m/s
22:00✕0%1.2m/s
23:00✕0%1.4m/s
Thu, Jul 9
24:00✕0%1.3m/s
01:00✕0%0.93m/s
02:00✕0%0.96m/s
03:00✕0%0.65m/s
04:00✕0%0.74m/s
05:00✓0%1.1m/s
06:00✓0%1m/s
07:00✓0%1m/s
08:00✕0%1.4m/s
09:00✕0%1.7m/s
10:00✕0%2.4m/s
11:00✕0%2.3m/s
12:00✕0%2.2m/s
13:00✕0%1.6m/s
14:00✕0%2.5m/s
15:00✕0%5m/s
16:00✕0%6.6m/s
17:00✕0%5.5m/s
18:00✕0%5.6m/s
19:00✕0%4.1m/s
20:00✕0%2.5m/s
21:00✕0%1.7m/s
22:00✕0%1.5m/s
23:00✕0%1.1m/s
Fri, Jul 10
24:00✕0%1m/s
01:00✕0%0.76m/s
02:00✕0%0.55m/s
03:00✕0%0.79m/s
04:00✕0%0.85m/s
05:00✓0%0.97m/s
06:00✓0%0.97m/s
07:00✓0%0.99m/s
08:00✕0%0.85m/s
09:00✕0%0.37m/s
10:00✕0%1m/s
11:00✕0%1.6m/s
12:00✕0%2.9m/s
13:00✕0%4.2m/s
14:00✕0%6m/s
15:00✕0%6.1m/s
16:00✕0%5.5m/s
17:00✕0%5.2m/s
18:00✕0%4.8m/s
19:00✕0%4.1m/s
20:00✕0%3.2m/s
21:00✕0%2.5m/s
22:00✕0%1.9m/s
23:00✕0%1.3m/s
Sat, Jul 11
24:00✕0%1.3m/s
01:00✕0%1.3m/s
02:00✕0%1.4m/s
03:00✕0%1.3m/s
04:00✕0%1.3m/s
05:00✓0%1.2m/s
06:00✓0%1.8m/s
07:00✓0%2.4m/s
08:00✕0%2.9m/s
09:00✕0%4.1m/s
10:00✕0%5.3m/s
11:00✕0%6.5m/s
12:00✕0%5.8m/s
13:00✕0%5m/s
14:00✕0%4.3m/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/Rome
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Wed, Jul 8 Sunrise 05:44 Sunset 20:58
16:00
13°C 27°C 33°C - 98% 3.5kPa
17:00
13°C 27°C 32°C - 95% 3.4kPa
18:00
13°C 28°C 31°C - 68% 3kPa
19:00
15°C 28°C 30°C - 62% 2.5kPa
20:00
17°C 28°C 27°C - 7% 1.7kPa
21:00 ☾
18°C 27°C 23°C - 45% 0.74kPa
22:00 ☾
18°C 27°C 21°C - 30% 0.43kPa
23:00 ☾
18°C 27°C 21°C - 69% 0.35kPa
Thu, Jul 9 Sunrise 05:44 Sunset 20:58
24:00 ☾
18°C 26°C 20°C - 93% 0.29kPa
01:00 ☾
18°C 26°C 20°C - 7% 0.27kPa
02:00 ☾
18°C 26°C 20°C - 5% 0.25kPa
03:00 ☾
18°C 25°C 19°C - 5% 0.25kPa
04:00 ☾
17°C 25°C 19°C - 18% 0.24kPa
05:00 ☾
17°C 25°C 19°C - 5% 0.22kPa
06:00
17°C 25°C 19°C - 5% 0.22kPa
07:00
17°C 24°C 21°C - 5% 0.46kPa
08:00
17°C 24°C 24°C - 5% 0.91kPa
09:00
16°C 24°C 27°C - 2% 1.7kPa
10:00
15°C 25°C 29°C - 4% 2.4kPa
11:00
14°C 25°C 32°C - 5% 3.2kPa
12:00
13°C 26°C 34°C - 2% 3.8kPa
13:00
12°C 26°C 36°C - 1% 4.3kPa
14:00
12°C 27°C 36°C - 1% 4.6kPa
15:00
14°C 27°C 36°C - 0% 4.3kPa
16:00
16°C 28°C 34°C - 0% 3.4kPa
17:00
16°C 28°C 33°C - 0% 3.2kPa
18:00
16°C 28°C 31°C - 0% 2.8kPa
19:00
16°C 28°C 30°C - 0% 2.4kPa
20:00
16°C 28°C 28°C - 0% 2kPa
21:00 ☾
16°C 28°C 24°C - 0% 1.2kPa
22:00 ☾
16°C 28°C 23°C - 0% 0.96kPa
23:00 ☾
16°C 27°C 22°C - 0% 0.89kPa
Fri, Jul 10 Sunrise 05:45 Sunset 20:58
24:00 ☾
15°C 27°C 22°C - 0% 0.9kPa
01:00 ☾
15°C 27°C 22°C - 0% 0.9kPa
02:00 ☾
15°C 27°C 21°C - 0% 0.89kPa
03:00 ☾
14°C 26°C 21°C - 0% 0.88kPa
04:00 ☾
14°C 26°C 21°C - 0% 0.86kPa
05:00 ☾
14°C 26°C 21°C - 0% 0.83kPa
06:00
14°C 25°C 21°C - 0% 0.82kPa
07:00
14°C 25°C 23°C - 0% 1.2kPa
08:00
15°C 25°C 26°C - 0% 1.7kPa
09:00
15°C 25°C 29°C - 0% 2.3kPa
10:00
14°C 26°C 31°C - 3% 3kPa
11:00
13°C 26°C 33°C - 5% 3.6kPa
12:00
12°C 27°C 34°C - 5% 4kPa
13:00
12°C 27°C 35°C - 4% 4.3kPa
14:00
12°C 28°C 35°C - 0% 4.3kPa
15:00
13°C 28°C 35°C - 0% 4kPa
16:00
13°C 28°C 34°C - 0% 3.9kPa
17:00
13°C 29°C 33°C - 0% 3.6kPa
18:00
12°C 29°C 32°C - 2% 3.3kPa
19:00
13°C 29°C 30°C - 4% 2.9kPa
20:00
15°C 29°C 28°C - 5% 2.1kPa
21:00 ☾
14°C 28°C 25°C - 28% 1.6kPa
22:00 ☾
13°C 27°C 22°C - 51% 1.2kPa
23:00 ☾
11°C 26°C 20°C - 75% 0.93kPa
Sat, Jul 11 Sunrise 05:45 Sunset 20:57
24:00 ☾
12°C 26°C 21°C - 52% 1.2kPa
01:00 ☾
12°C 26°C 23°C - 28% 1.5kPa
02:00 ☾
12°C 26°C 25°C - 5% 1.8kPa
03:00 ☾
12°C 26°C 28°C - 3% 2.4kPa
04:00 ☾
11°C 27°C 31°C - 2% 3.1kPa
05:00 ☾
9.6°C 27°C 33°C - 0% 3.9kPa
06:00
9.5°C 27°C 34°C - 8% 4.3kPa
07:00
9.4°C 28°C 36°C - 16% 4.6kPa
08:00
9.2°C 28°C 37°C - 25% 5kPa
09:00
11°C 29°C 36°C - 18% 4.7kPa
10:00
12°C 29°C 36°C - 12% 4.5kPa
11:00
13°C 29°C 35°C - 5% 4.2kPa
12:00
14°C 29°C 34°C - 5% 3.5kPa
13:00
15°C 30°C 32°C - 5% 2.9kPa
14:00
16°C 30°C 30°C - 5% 2.4kPa
15:00
18°C 29°C 27°C - 5% 1.6kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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