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Rule Morning Frost

San Gimignano - Morning Frost - Tuscany

San Gimignano, 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 85% failing
Wind Speed 54% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature27.4°C
Dew Point11.0°C (moderate dew point)
Wind Speed7.1m/s (moderate winds)
Cloud Cover100%

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 95 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
Tue, Jul 7
15:00✕0%7.1m/s
16:00✕0%7.2m/s
17:00✕0%6.8m/s
18:00✕0%6.5m/s
19:00✕0%6.1m/s
20:00✕0%4.8m/s
21:00✕0%3.5m/s
22:00✕0%2.1m/s
23:00✕0%2.4m/s
Wed, Jul 8
24:00✕0%2.3m/s
01:00✕0%2.1m/s
02:00✕0%2.1m/s
03:00✕0%1.8m/s
04:00✓0%1.6m/s
05:00✓0%1.6m/s
06:00✓0%1.6m/s
07:00✓0%1.6m/s
08:00✕0%1.3m/s
09:00✕0%1.8m/s
10:00✕0%3.2m/s
11:00✕0%3.7m/s
12:00✕0%4.5m/s
13:00✕0%5.6m/s
14:00✕0%6.2m/s
15:00✕0%6.7m/s
16:00✕0%7.1m/s
17:00✕0%6.7m/s
18:00✕0%6.1m/s
19:00✕0%5.6m/s
20:00✕0%4.7m/s
21:00✕0%2.6m/s
22:00✕0%0.96m/s
23:00✕0%1.3m/s
Thu, Jul 9
24:00✕0%1m/s
01:00✕0%0.93m/s
02:00✕0%0.75m/s
03:00✕0%0.62m/s
04:00✓0%0.71m/s
05:00✓0%1.1m/s
06:00✓0%1.2m/s
07:00✓0%1m/s
08:00✕0%1.2m/s
09:00✕0%1.5m/s
10:00✕0%1.9m/s
11:00✕0%1.9m/s
12:00✕0%1.5m/s
13:00✕0%1.3m/s
14:00✕0%2.1m/s
15:00✕0%2.8m/s
16:00✕0%4.5m/s
17:00✕0%7.8m/s
18:00✕0%6.8m/s
19:00✕0%5.7m/s
20:00✕0%3.1m/s
21:00✕0%2.1m/s
22:00✕0%1.1m/s
23:00✕0%0.7m/s
Fri, Jul 10
24:00✕0%0.62m/s
01:00✕0%0.54m/s
02:00✕0%0.52m/s
03:00✕0%1m/s
04:00✓0%1.2m/s
05:00✓0%1.4m/s
06:00✓0%1.3m/s
07:00✓0%1.2m/s
08:00✕0%1.3m/s
09:00✕0%0.84m/s
10:00✕0%1m/s
11:00✕0%1.4m/s
12:00✕0%1.9m/s
13:00✕0%3.1m/s
14:00✕0%4.8m/s
15:00✕0%7.3m/s
16:00✕0%7.4m/s
17:00✕0%6.5m/s
18:00✕0%6m/s
19:00✕0%5.3m/s
20:00✕0%4.7m/s
21:00✕0%3.6m/s
22:00✕0%2.4m/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
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 05:43 Sunset 20:58
16:00
11°C 27°C 34°C - 100% 4kPa
17:00
11°C 28°C 33°C - 100% 3.8kPa
18:00
11°C 28°C 32°C - 95% 3.5kPa
19:00
12°C 28°C 31°C - 98% 3kPa
20:00
14°C 28°C 28°C - 15% 2.2kPa
21:00 ☾
16°C 28°C 23°C - 27% 1kPa
22:00 ☾
17°C 27°C 21°C - 22% 0.58kPa
23:00 ☾
17°C 27°C 20°C - 57% 0.46kPa
Thu, Jul 9 Sunrise 05:43 Sunset 20:58
24:00 ☾
17°C 27°C 20°C - 44% 0.38kPa
01:00 ☾
17°C 26°C 19°C - 5% 0.36kPa
02:00 ☾
16°C 26°C 19°C - 5% 0.34kPa
03:00 ☾
16°C 26°C 19°C - 5% 0.32kPa
04:00 ☾
16°C 25°C 19°C - 5% 0.3kPa
05:00 ☾
16°C 25°C 18°C - 5% 0.28kPa
06:00
16°C 25°C 18°C - 5% 0.27kPa
07:00
16°C 25°C 21°C - 5% 0.58kPa
08:00
16°C 25°C 24°C - 4% 1.1kPa
09:00
15°C 25°C 27°C - 5% 1.8kPa
10:00
13°C 25°C 30°C - 5% 2.6kPa
11:00
12°C 25°C 32°C - 5% 3.4kPa
12:00
11°C 26°C 34°C - 5% 4kPa
13:00
11°C 26°C 36°C - 1% 4.6kPa
14:00
11°C 27°C 37°C - 0% 4.9kPa
15:00
11°C 27°C 37°C - 0% 5.1kPa
16:00
12°C 28°C 37°C - 0% 4.8kPa
17:00
15°C 28°C 34°C - 1% 3.7kPa
18:00
15°C 28°C 33°C - 2% 3.4kPa
19:00
15°C 29°C 31°C - 0% 2.8kPa
20:00
15°C 29°C 29°C - 0% 2.4kPa
21:00 ☾
15°C 28°C 26°C - 0% 1.6kPa
22:00 ☾
15°C 28°C 24°C - 0% 1.3kPa
23:00 ☾
15°C 28°C 23°C - 0% 1.1kPa
Fri, Jul 10 Sunrise 05:44 Sunset 20:57
24:00 ☾
15°C 28°C 23°C - 0% 1.1kPa
01:00 ☾
15°C 27°C 22°C - 0% 0.99kPa
02:00 ☾
15°C 27°C 22°C - 0% 0.92kPa
03:00 ☾
15°C 27°C 21°C - 0% 0.88kPa
04:00 ☾
15°C 26°C 21°C - 0% 0.82kPa
05:00 ☾
15°C 26°C 21°C - 0% 0.76kPa
06:00
15°C 26°C 21°C - 0% 0.72kPa
07:00
15°C 26°C 23°C - 0% 1.1kPa
08:00
16°C 26°C 26°C - 0% 1.6kPa
09:00
16°C 26°C 29°C - 0% 2.1kPa
10:00
15°C 26°C 31°C - 2% 2.9kPa
11:00
14°C 27°C 34°C - 2% 3.6kPa
12:00
12°C 27°C 35°C - 5% 4.2kPa
13:00
11°C 28°C 36°C - 10% 4.6kPa
14:00
10°C 28°C 37°C - 2% 5.1kPa
15:00
11°C 29°C 37°C - 3% 5kPa
16:00
11°C 29°C 36°C - 6% 4.7kPa
17:00
11°C 29°C 35°C - 0% 4.5kPa
18:00
11°C 29°C 34°C - 0% 4.1kPa
19:00
11°C 29°C 33°C - 0% 3.6kPa
20:00
11°C 29°C 30°C - 3% 2.9kPa
21:00 ☾
12°C 28°C 27°C - 27% 2kPa
22:00 ☾
12°C 27°C 23°C - 51% 1.4kPa
23:00 ☾
11°C 26°C 20°C - 75% 0.93kPa
Sat, Jul 11 Sunrise 05:44 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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