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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 22% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature8.4°C
Dew Point4.8°C (low dew point)
Wind Speed2.0m/s (calm conditions)
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
Sun, Feb 22
02:00✕0%0.57m/s
03:00✕3.8%0.63m/s
04:00✕3.8%0.71m/s
05:00✕2.5%1.1m/s
06:00✓2.1%1.1m/s
07:00✓2.1%1.2m/s
08:00✓2.8%1.1m/s
09:00✕4.1%0.94m/s
10:00✕3.4%1.4m/s
11:00✕0%0.38m/s
12:00✕0%0.33m/s
13:00✕0%0.94m/s
14:00✕0%2.5m/s
15:00✕0%3.1m/s
16:00✕0%3.1m/s
17:00✕0%2m/s
18:00✕0%1.3m/s
19:00✕0%1.1m/s
20:00✕0%0.91m/s
21:00✕0%1.1m/s
22:00✕0%0.8m/s
23:00✕0%0.4m/s
Mon, Feb 23
24:00✕0%0.93m/s
01:00✕0%1.6m/s
02:00✕0%1.9m/s
03:00✕0%2m/s
04:00✕0%1.6m/s
05:00✕0%1.7m/s
06:00✓2.1%1.7m/s
07:00✓2.1%1.4m/s
08:00✓2.1%1.2m/s
09:00✕0%1.1m/s
10:00✕0%1.1m/s
11:00✕0%0.69m/s
12:00✕0%0.35m/s
13:00✕0%1.4m/s
14:00✕0%2.2m/s
15:00✕0%2.4m/s
16:00✕0%2.2m/s
17:00✕0%2.1m/s
18:00✕0%0.95m/s
19:00✕0%0.36m/s
20:00✕0%0.6m/s
21:00✕0%0.22m/s
22:00✕0%0.61m/s
23:00✕0%0.62m/s
Tue, Feb 24
24:00✕0%0.76m/s
01:00✕0%0.67m/s
02:00✕0%0.55m/s
03:00✕0%0.52m/s
04:00✕0%0.82m/s
05:00✕0%0.35m/s
06:00✓0%0.44m/s
07:00✓3.3%0.89m/s
08:00✓3.6%1.2m/s
09:00✕4.1%0.83m/s
10:00✕0%0.35m/s
11:00✕0%0.5m/s
12:00✕0%1.4m/s
13:00✕0%2.2m/s
14:00✕0%2.5m/s
15:00✕0%2.3m/s
16:00✕0%1.9m/s
17:00✕0%1.8m/s
18:00✕0%1.7m/s
19:00✕0%1m/s
20:00✕0%0.73m/s
21:00✕0%0.43m/s
22:00✕0%0.15m/s
23:00✕0%0.4m/s
Wed, Feb 25
24:00✕0%0.65m/s
01:00✕0%0.83m/s
02:00✕0%0.9m/s
03:00✕0%0.89m/s
04:00✕0%1.1m/s
05:00✕0%1.1m/s
06:00✓0%1.2m/s
07:00✓0%1.3m/s
08:00✓0%1.1m/s
09:00✕0%0.85m/s
10:00✕0%0.62m/s
11:00✕0%0.47m/s
12:00✕0%0.31m/s
13:00✕0%0.15m/s
14:00✕0%0.4m/s
15:00✕0%0.65m/s
16:00✕0%0.9m/s
17:00✕0%0.77m/s
18:00✕0%0.64m/s
19:00✕0%0.52m/s
20:00✕0%0.52m/s
21:00✕0%0.52m/s
22:00✕0%0.52m/s
23:00✕0%0.43m/s
Thu, Feb 26
24:00✕0%0.34m/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
Mon, Feb 23 Sunrise 07:03 Sunset 17:57
03:00 ☾
4.8°C 8.4°C 7.6°C - 100% 0.19kPa
04:00 ☾
4.7°C 8.3°C 7.7°C - 100% 0.19kPa
05:00 ☾
4.8°C 8.1°C 7.6°C - 100% 0.18kPa
06:00 ☾
5.1°C 8°C 7.9°C - 100% 0.18kPa
07:00 ☾
5.6°C 8°C 8.3°C - 100% 0.18kPa
08:00
6.3°C 7.9°C 8.7°C - 100% 0.16kPa
09:00
7°C 8.1°C 10°C - 78% 0.25kPa
10:00
7.6°C 8.5°C 12°C - 78% 0.34kPa
11:00
8°C 9.1°C 14°C - 74% 0.47kPa
12:00
7.9°C 9.8°C 14°C - 74% 0.57kPa
13:00
7.8°C 11°C 15°C - 53% 0.64kPa
14:00
8°C 11°C 15°C - 100% 0.64kPa
15:00
8.3°C 11°C 15°C - 9% 0.57kPa
16:00
8.6°C 12°C 14°C - 4% 0.49kPa
17:00
9.3°C 12°C 13°C - 5% 0.32kPa
18:00 ☾
8.2°C 12°C 10°C - 10% 0.18kPa
19:00 ☾
7.7°C 11°C 9.7°C - 5% 0.15kPa
20:00 ☾
7.4°C 11°C 9.3°C - 5% 0.14kPa
21:00 ☾
7.1°C 11°C 9°C - 80% 0.14kPa
22:00 ☾
6.9°C 10°C 8.7°C - 41% 0.13kPa
23:00 ☾
6.6°C 10°C 8.5°C - 62% 0.13kPa
Tue, Feb 24 Sunrise 07:03 Sunset 17:57
24:00 ☾
6.4°C 9.7°C 8.3°C - 10% 0.13kPa
01:00 ☾
6.1°C 9.4°C 8°C - 3% 0.13kPa
02:00 ☾
5.9°C 9.1°C 7.8°C - 0% 0.13kPa
03:00 ☾
5.7°C 8.8°C 7.6°C - 2% 0.12kPa
04:00 ☾
5.6°C 8.6°C 7.4°C - 5% 0.12kPa
05:00 ☾
5.3°C 8.3°C 7.1°C - 5% 0.12kPa
06:00 ☾
5.3°C 8.1°C 7°C - 5% 0.11kPa
07:00 ☾
5.1°C 7.9°C 6.7°C - 5% 0.1kPa
08:00
6.2°C 7.7°C 8.1°C - 6% 0.13kPa
09:00
7°C 8°C 10°C - 40% 0.24kPa
10:00
7.8°C 8.4°C 12°C - 5% 0.35kPa
11:00
8.1°C 9.1°C 14°C - 6% 0.47kPa
12:00
8.2°C 9.9°C 15°C - 57% 0.57kPa
13:00
8.1°C 11°C 15°C - 76% 0.61kPa
14:00
8.1°C 11°C 15°C - 88% 0.63kPa
15:00
8°C 11°C 15°C - 85% 0.6kPa
16:00
8°C 12°C 14°C - 78% 0.57kPa
17:00
9°C 12°C 14°C - 6% 0.42kPa
18:00 ☾
7.9°C 12°C 11°C - 5% 0.22kPa
19:00 ☾
7.5°C 11°C 9.9°C - 5% 0.18kPa
20:00 ☾
7.2°C 11°C 9.4°C - 5% 0.16kPa
21:00 ☾
7°C 11°C 9.1°C - 0% 0.15kPa
22:00 ☾
6.9°C 10°C 8.8°C - 0% 0.14kPa
23:00 ☾
6.7°C 9.9°C 8.7°C - 0% 0.14kPa
Wed, Feb 25 Sunrise 07:01 Sunset 17:58
24:00 ☾
6.5°C 9.7°C 8.4°C - 0% 0.13kPa
01:00 ☾
6.4°C 9.4°C 8.2°C - 0% 0.13kPa
02:00 ☾
6.3°C 9.1°C 8°C - 0% 0.12kPa
03:00 ☾
6.2°C 8.9°C 7.9°C - 0% 0.12kPa
04:00 ☾
6°C 8.7°C 7.7°C - 0% 0.11kPa
05:00 ☾
5.8°C 8.4°C 7.4°C - 0% 0.11kPa
06:00 ☾
5.7°C 8.2°C 7.3°C - 0% 0.11kPa
07:00
5.6°C 8°C 7.2°C - 0% 0.1kPa
08:00
6.8°C 9.4°C 9.6°C - 33% 0.21kPa
09:00
7.8°C 11°C 12°C - 67% 0.34kPa
10:00
8.7°C 12°C 14°C - 100% 0.51kPa
11:00
8.4°C 12°C 14°C - 100% 0.48kPa
12:00
8°C 12°C 13°C - 100% 0.45kPa
13:00
7.7°C 12°C 13°C - 100% 0.42kPa
14:00
7.8°C 12°C 12°C - 100% 0.39kPa
15:00
7.9°C 12°C 12°C - 99% 0.36kPa
16:00
7.9°C 12°C 12°C - 99% 0.33kPa
17:00
8°C 12°C 12°C - 95% 0.3kPa
18:00 ☾
8°C 11°C 11°C - 91% 0.28kPa
19:00 ☾
8°C 11°C 11°C - 88% 0.26kPa
20:00 ☾
7.8°C 11°C 11°C - 72% 0.24kPa
21:00 ☾
7.6°C 11°C 10°C - 56% 0.22kPa
22:00 ☾
7.4°C 11°C 10°C - 40% 0.2kPa
23:00 ☾
7.1°C 11°C 9.6°C - 34% 0.18kPa
Thu, Feb 26 Sunrise 06:59 Sunset 17:59
24:00 ☾
6.8°C 10°C 9.1°C - 29% 0.17kPa
01:00 ☾
6.5°C 10°C 8.6°C - 23% 0.15kPa
02:00 ☾
7.1°C 10°C 10°C - 17% 0.24kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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