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Rule Morning Frost

Pienza - Morning Frost - Tuscany

Pienza, 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 83% failing
Wind Speed 61% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature26.5°C
Dew Point11.2°C (moderate dew point)
Wind Speed6.0m/s (moderate winds)
Cloud Cover99%

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
16:00✕0%6.8m/s
17:00✕0%6.8m/s
18:00✕0%6.9m/s
19:00✕0%6.2m/s
20:00✕0%4.5m/s
21:00✕0%2.9m/s
22:00✕0%2.3m/s
23:00✕0%1.9m/s
Wed, Jul 8
24:00✕0%1.7m/s
01:00✕0%1.7m/s
02:00✕0%1.6m/s
03:00✕0%1.6m/s
04:00✓0%1.1m/s
05:00✓0%0.97m/s
06:00✓0%1m/s
07:00✓0%0.65m/s
08:00✕0%0.82m/s
09:00✕0%0.65m/s
10:00✕0%1.2m/s
11:00✕0%1.6m/s
12:00✕0%2.9m/s
13:00✕0%4.1m/s
14:00✕0%4.6m/s
15:00✕0%5.2m/s
16:00✕0%6m/s
17:00✕0%6m/s
18:00✕0%6m/s
19:00✕0%5.2m/s
20:00✕0%3.9m/s
21:00✕0%2.7m/s
22:00✕0%1.9m/s
23:00✕0%1.7m/s
Thu, Jul 9
24:00✕0%1.2m/s
01:00✕0%0.85m/s
02:00✕0%0.85m/s
03:00✕0%0.56m/s
04:00✓0%0.63m/s
05:00✓0%0.8m/s
06:00✓0%1.1m/s
07:00✓0%1.1m/s
08:00✕0%1.5m/s
09:00✕0%1.7m/s
10:00✕0%1.8m/s
11:00✕0%1.5m/s
12:00✕0%1.2m/s
13:00✕0%0.64m/s
14:00✕0%0.28m/s
15:00✕0%1.2m/s
16:00✕0%4.5m/s
17:00✕0%7m/s
18:00✕0%6m/s
19:00✕0%4.7m/s
20:00✕0%3.1m/s
21:00✕0%2.1m/s
22:00✕0%1.7m/s
23:00✕0%1.6m/s
Fri, Jul 10
24:00✕0%1.4m/s
01:00✕0%1.2m/s
02:00✕0%0.75m/s
03:00✕0%0.22m/s
04:00✓0%0.66m/s
05:00✓0%1.1m/s
06:00✓0%1.4m/s
07:00✓0%1m/s
08:00✕0%0.95m/s
09:00✕0%0.95m/s
10:00✕0%1m/s
11:00✕0%1.8m/s
12:00✕0%2.7m/s
13:00✕0%3.4m/s
14:00✕0%4.4m/s
15:00✕0%5.8m/s
16:00✕0%6.5m/s
17:00✕0%6.2m/s
18:00✕0%5.4m/s
19:00✕0%4.3m/s
20:00✕0%2.9m/s
21:00✕0%2.3m/s
22:00✕0%1.8m/s
23:00✕0%1.2m/s
Sat, Jul 11
24:00✕0%0.9m/s
01:00✕0%0.64m/s
02:00✕0%0.37m/s
03:00✕0%0.97m/s
04:00✓0%1.6m/s
05:00✓0%2.2m/s
06:00✓0%2.6m/s
07:00✓0%3m/s
08:00✕0%3.4m/s
09:00✕0%4.2m/s
10:00✕0%5.1m/s
11:00✕0%5.9m/s
12:00✕0%5.4m/s
13:00✕0%4.9m/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 05:42 Sunset 20:54
16:00
11°C 26°C 34°C - 99% 3.9kPa
17:00
11°C 27°C 33°C - 100% 3.7kPa
18:00
12°C 27°C 32°C - 53% 3.2kPa
19:00
14°C 27°C 30°C - 5% 2.6kPa
20:00
16°C 27°C 27°C - 5% 1.8kPa
21:00 ☾
16°C 27°C 23°C - 5% 0.97kPa
22:00 ☾
16°C 27°C 21°C - 83% 0.65kPa
23:00 ☾
16°C 26°C 20°C - 99% 0.57kPa
Thu, Jul 9 Sunrise 05:42 Sunset 20:54
24:00 ☾
16°C 26°C 20°C - 80% 0.56kPa
01:00 ☾
15°C 25°C 20°C - 5% 0.54kPa
02:00 ☾
15°C 25°C 19°C - 5% 0.52kPa
03:00 ☾
15°C 25°C 19°C - 5% 0.5kPa
04:00 ☾
15°C 24°C 18°C - 5% 0.44kPa
05:00 ☾
15°C 24°C 18°C - 7% 0.37kPa
06:00
15°C 24°C 18°C - 5% 0.37kPa
07:00
15°C 24°C 20°C - 5% 0.69kPa
08:00
15°C 24°C 23°C - 5% 1.2kPa
09:00
14°C 24°C 26°C - 5% 1.8kPa
10:00
13°C 24°C 28°C - 27% 2.3kPa
11:00
13°C 24°C 31°C - 34% 3kPa
12:00
12°C 25°C 33°C - 5% 3.6kPa
13:00
12°C 26°C 35°C - 5% 4.1kPa
14:00
11°C 26°C 36°C - 5% 4.5kPa
15:00
10°C 27°C 36°C - 24% 4.6kPa
16:00
11°C 28°C 35°C - 69% 4.3kPa
17:00
14°C 28°C 32°C - 33% 3.2kPa
18:00
15°C 28°C 32°C - 35% 3.1kPa
19:00
16°C 28°C 30°C - 21% 2.6kPa
20:00
17°C 28°C 28°C - 4% 1.9kPa
21:00 ☾
17°C 28°C 24°C - 0% 1.2kPa
22:00 ☾
16°C 28°C 23°C - 0% 0.95kPa
23:00 ☾
16°C 27°C 22°C - 0% 0.87kPa
Fri, Jul 10 Sunrise 05:42 Sunset 20:53
24:00 ☾
16°C 27°C 22°C - 0% 0.85kPa
01:00 ☾
15°C 27°C 22°C - 0% 0.83kPa
02:00 ☾
15°C 26°C 21°C - 0% 0.78kPa
03:00 ☾
15°C 26°C 21°C - 0% 0.72kPa
04:00 ☾
15°C 26°C 20°C - 0% 0.66kPa
05:00 ☾
15°C 25°C 20°C - 0% 0.65kPa
06:00
14°C 25°C 20°C - 0% 0.74kPa
07:00
13°C 25°C 22°C - 0% 1.1kPa
08:00
12°C 25°C 25°C - 0% 1.8kPa
09:00
10°C 25°C 28°C - 0% 2.5kPa
10:00
9.1°C 25°C 30°C - 0% 3.2kPa
11:00
9.5°C 26°C 32°C - 0% 3.5kPa
12:00
10°C 26°C 33°C - 0% 3.7kPa
13:00
11°C 27°C 34°C - 5% 4kPa
14:00
11°C 27°C 35°C - 11% 4.2kPa
15:00
11°C 27°C 35°C - 25% 4.2kPa
16:00
11°C 28°C 34°C - 9% 4.1kPa
17:00
11°C 28°C 34°C - 3% 3.9kPa
18:00
10°C 28°C 32°C - 5% 3.6kPa
19:00
10°C 28°C 31°C - 4% 3.2kPa
20:00
11°C 28°C 28°C - 4% 2.5kPa
21:00 ☾
12°C 27°C 26°C - 26% 1.9kPa
22:00 ☾
11°C 26°C 23°C - 48% 1.4kPa
23:00 ☾
11°C 25°C 20°C - 70% 1.1kPa
Sat, Jul 11 Sunrise 05:43 Sunset 20:53
24:00 ☾
11°C 25°C 22°C - 54% 1.3kPa
01:00 ☾
11°C 24°C 23°C - 37% 1.5kPa
02:00 ☾
11°C 24°C 25°C - 21% 1.8kPa
03:00 ☾
10°C 25°C 27°C - 14% 2.3kPa
04:00 ☾
9.3°C 25°C 29°C - 7% 2.8kPa
05:00 ☾
7.8°C 25°C 31°C - 0% 3.5kPa
06:00
8.2°C 26°C 33°C - 2% 3.8kPa
07:00
8.5°C 26°C 34°C - 4% 4.1kPa
08:00
8.8°C 27°C 35°C - 7% 4.5kPa
09:00
11°C 27°C 35°C - 5% 4.2kPa
10:00
13°C 28°C 34°C - 3% 3.9kPa
11:00
14°C 28°C 34°C - 2% 3.6kPa
12:00
16°C 28°C 32°C - 2% 2.9kPa
13:00
17°C 28°C 30°C - 2% 2.3kPa
14:00
18°C 28°C 28°C - 2% 1.7kPa
15:00
18°C 28°C 26°C - 4% 1.2kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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