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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 83% failing
Wind Speed 50% failing

Currently

Real-time conditions
Frost Probability
0%
Soil Temperature11.8°C
Dew Point6.2°C (moderate dew point)
Wind Speed0.9m/s (calm conditions)
Cloud Cover0%

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
Wed, Apr 8
03:00✕0%1.2m/s
04:00✕0%0.95m/s
05:00✕0%0.76m/s
06:00✓0%0.84m/s
07:00✓0%1m/s
08:00✓0%0.89m/s
09:00✕0%0.9m/s
10:00✕0%0.35m/s
11:00✕0%1.5m/s
12:00✕0%2.9m/s
13:00✕0%3.5m/s
14:00✕0%4m/s
15:00✕0%4.3m/s
16:00✕0%4.5m/s
17:00✕0%4.1m/s
18:00✕0%3.2m/s
19:00✕0%2.2m/s
20:00✕0%1.6m/s
21:00✕0%1.9m/s
22:00✕0%1.7m/s
23:00✕0%1.6m/s
Thu, Apr 9
24:00✕0%1.4m/s
01:00✕0%1.1m/s
02:00✕0%1.2m/s
03:00✕0%1.1m/s
04:00✕0%0.87m/s
05:00✓0%0.81m/s
06:00✓0%0.66m/s
07:00✓0%0.77m/s
08:00✓0%0.84m/s
09:00✕0%0.81m/s
10:00✕0%0.84m/s
11:00✕0%0.91m/s
12:00✕0%1.7m/s
13:00✕0%2.7m/s
14:00✕0%3.9m/s
15:00✕0%4.7m/s
16:00✕0%4.7m/s
17:00✕0%4.2m/s
18:00✕0%3.6m/s
19:00✕0%2.7m/s
20:00✕0%2m/s
21:00✕0%1.8m/s
22:00✕0%1.6m/s
23:00✕0%1.6m/s
Fri, Apr 10
24:00✕0%1.5m/s
01:00✕0%1.8m/s
02:00✕0%1.5m/s
03:00✕0%1.7m/s
04:00✕0%1.2m/s
05:00✓0%1.5m/s
06:00✓0%0.9m/s
07:00✓0%0.93m/s
08:00✓0%1.1m/s
09:00✕0%0.92m/s
10:00✕0%1.2m/s
11:00✕0%1.2m/s
12:00✕0%2.3m/s
13:00✕0%2.7m/s
14:00✕0%3m/s
15:00✕0%3.4m/s
16:00✕0%3.3m/s
17:00✕0%2.8m/s
18:00✕0%2.4m/s
19:00✕0%1.6m/s
20:00✕0%1.4m/s
21:00✕0%1.3m/s
22:00✕0%0.94m/s
23:00✕0%0.63m/s
Sat, Apr 11
24:00✕0%0.33m/s
01:00✕0%0.73m/s
02:00✕0%0.81m/s
03:00✕0%0.91m/s
04:00✕0%0.92m/s
05:00✓0%0.97m/s
06:00✓0%0.98m/s
07:00✓0%1m/s
08:00✓0%0.82m/s
09:00✕0%1.2m/s
10:00✕0%1.5m/s
11:00✕0%1.9m/s
12:00✕0%1.9m/s
13:00✕0%1.9m/s
14:00✕0%2m/s
15:00✕0%1.6m/s
16:00✕0%1.3m/s
17:00✕0%0.96m/s
18:00✕0%1.2m/s
19:00✕0%1.5m/s
20:00✕0%1.8m/s
21:00✕0%1.8m/s
22:00✕0%1.8m/s
23:00✕0%1.8m/s
Sun, Apr 12
24:00✕0%1.6m/s
01:00✕0%1.4m/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
Thu, Apr 9 Sunrise 06:44 Sunset 19:52
04:00 ☾
6.2°C 12°C 9.2°C - 0% 0.22kPa
05:00 ☾
5.9°C 12°C 9°C - 0% 0.22kPa
06:00 ☾
5.8°C 11°C 8.8°C - 0% 0.21kPa
07:00
5.8°C 11°C 8.7°C - 0% 0.2kPa
08:00
7°C 11°C 11°C - 0% 0.33kPa
09:00
7.5°C 11°C 14°C - 0% 0.52kPa
10:00
8.1°C 11°C 16°C - 0% 0.73kPa
11:00
8.4°C 12°C 18°C - 0% 0.95kPa
12:00
8.1°C 13°C 19°C - 0% 1.1kPa
13:00
8.6°C 13°C 20°C - 0% 1.2kPa
14:00
9.1°C 14°C 21°C - 0% 1.3kPa
15:00
8.9°C 14°C 20°C - 0% 1.2kPa
16:00
8.3°C 15°C 20°C - 0% 1.2kPa
17:00
8.3°C 15°C 19°C - 0% 1.1kPa
18:00
8.7°C 15°C 18°C - 0% 0.9kPa
19:00
9.7°C 15°C 16°C - 0% 0.57kPa
20:00 ☾
8.7°C 15°C 13°C - 0% 0.33kPa
21:00 ☾
8.6°C 15°C 11°C - 0% 0.22kPa
22:00 ☾
8.6°C 14°C 11°C - 0% 0.18kPa
23:00 ☾
8.6°C 14°C 10°C - 0% 0.15kPa
Fri, Apr 10 Sunrise 06:44 Sunset 19:52
24:00 ☾
8.5°C 14°C 10°C - 5% 0.15kPa
01:00 ☾
8.5°C 13°C 10°C - 5% 0.14kPa
02:00 ☾
8.3°C 13°C 10°C - 5% 0.13kPa
03:00 ☾
8.2°C 13°C 9.9°C - 0% 0.13kPa
04:00 ☾
8°C 12°C 9.7°C - 5% 0.13kPa
05:00 ☾
8°C 12°C 9.5°C - 5% 0.12kPa
06:00 ☾
7.8°C 12°C 9.3°C - 5% 0.12kPa
07:00
7.7°C 12°C 9.3°C - 5% 0.12kPa
08:00
8.9°C 11°C 12°C - 8% 0.22kPa
09:00
9.8°C 12°C 14°C - 95% 0.4kPa
10:00
10°C 12°C 16°C - 100% 0.57kPa
11:00
10°C 12°C 18°C - 92% 0.75kPa
12:00
10°C 13°C 19°C - 100% 0.92kPa
13:00
10°C 14°C 20°C - 100% 1.1kPa
14:00
9.8°C 14°C 20°C - 100% 1.2kPa
15:00
9.3°C 14°C 20°C - 100% 1.2kPa
16:00
9°C 15°C 20°C - 100% 1.2kPa
17:00
8.8°C 15°C 19°C - 100% 1.1kPa
18:00
9.8°C 15°C 18°C - 100% 0.9kPa
19:00
10°C 15°C 16°C - 90% 0.61kPa
20:00 ☾
8.6°C 15°C 14°C - 100% 0.44kPa
21:00 ☾
8°C 15°C 13°C - 99% 0.39kPa
22:00 ☾
7.8°C 14°C 12°C - 94% 0.33kPa
23:00 ☾
7.4°C 14°C 11°C - 99% 0.31kPa
Sat, Apr 11 Sunrise 06:43 Sunset 19:53
24:00 ☾
7.2°C 14°C 11°C - 58% 0.31kPa
01:00 ☾
6.9°C 13°C 11°C - 67% 0.29kPa
02:00 ☾
6.7°C 13°C 10°C - 99% 0.29kPa
03:00 ☾
6.6°C 13°C 11°C - 94% 0.3kPa
04:00 ☾
6.4°C 13°C 10°C - 95% 0.27kPa
05:00 ☾
6.4°C 12°C 10°C - 92% 0.26kPa
06:00 ☾
6.3°C 12°C 9.8°C - 81% 0.25kPa
07:00
6.3°C 12°C 9.8°C - 32% 0.25kPa
08:00
7.4°C 12°C 12°C - 5% 0.38kPa
09:00
8.8°C 13°C 15°C - 31% 0.59kPa
10:00
10°C 15°C 18°C - 56% 0.86kPa
11:00
11°C 16°C 21°C - 82% 1.2kPa
12:00
12°C 17°C 19°C - 88% 0.87kPa
13:00
12°C 17°C 17°C - 94% 0.58kPa
14:00
12°C 17°C 15°C - 100% 0.35kPa
15:00
11°C 16°C 14°C - 71% 0.28kPa
16:00
11°C 16°C 13°C - 42% 0.22kPa
17:00
10°C 16°C 12°C - 12% 0.16kPa
18:00
10°C 15°C 12°C - 23% 0.16kPa
19:00
10°C 15°C 12°C - 34% 0.15kPa
20:00 ☾
10°C 15°C 12°C - 45% 0.15kPa
21:00 ☾
10°C 14°C 12°C - 56% 0.14kPa
22:00 ☾
9.9°C 14°C 11°C - 67% 0.13kPa
23:00 ☾
9.7°C 14°C 11°C - 78% 0.12kPa
Sun, Apr 12 Sunrise 06:41 Sunset 19:54
24:00 ☾
10°C 14°C 12°C - 85% 0.14kPa
01:00 ☾
10°C 13°C 12°C - 93% 0.17kPa
02:00 ☾
11°C 13°C 13°C - 100% 0.2kPa
03:00 ☾
11°C 13°C 15°C - 100% 0.33kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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