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Rule Morning Frost

Cypress Road - Morning Frost - Tuscany

Buonconvento, 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
Wind Speed 85% failing
Time Window 83% failing

Currently

Real-time conditions
Soil Temperature18.3°C
Dew Point10.0°C (moderate dew point)
Wind Speed7.7m/s (moderate winds)
Cloud Cover10%

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 80 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, May 24
06:000%2.1m/s
07:000%2.1m/s
08:000%2.7m/s
09:000%3.8m/s
10:000%6.3m/s
11:000%7m/s
12:000%7.6m/s
13:000%7.4m/s
14:000%7.4m/s
15:000%7.7m/s
16:000%7.8m/s
17:000%7.2m/s
18:000%6.4m/s
19:000%6m/s
20:000%4.8m/s
21:000%3.7m/s
22:000%3.6m/s
23:000%3.5m/s
Mon, May 25
24:000%3.1m/s
01:000%2.6m/s
02:000%2.5m/s
03:000%2.5m/s
04:000%2.1m/s
05:000%1.6m/s
06:000%1.5m/s
07:000%1.3m/s
08:000%1.5m/s
09:000%1.9m/s
10:000%3.3m/s
11:000%5.2m/s
12:000%6.4m/s
13:000%6.7m/s
14:000%6.7m/s
15:000%6.5m/s
16:000%6.3m/s
17:000%5.9m/s
18:000%4.9m/s
19:000%4.2m/s
20:000%3.3m/s
21:000%3.1m/s
22:000%2.9m/s
23:000%2.6m/s
Tue, May 26
24:000%2.1m/s
01:000%1.7m/s
02:000%1.5m/s
03:000%1.4m/s
04:000%1.3m/s
05:000%1.5m/s
06:000%1.4m/s
07:000%1.5m/s
08:000%1.6m/s
09:000%2m/s
10:000%3.5m/s
11:000%4.3m/s
12:000%4.7m/s
13:000%4.7m/s
14:000%4.8m/s
15:000%5.1m/s
16:000%5m/s
17:000%4.6m/s
18:000%4.2m/s
19:000%3.4m/s
20:000%2.3m/s
21:000%1.9m/s
22:000%1.6m/s
23:000%1.3m/s
Wed, May 27
24:000%1.3m/s
01:000%1.4m/s
02:000%1.5m/s
03:000%1.7m/s
04:000%1.8m/s
05:000%2m/s
06:000%2.3m/s
07:000%2.6m/s
08:000%2.9m/s
09:000%2.5m/s
10:000%2.2m/s
11:000%1.8m/s
12:000%1.5m/s
13:000%1.2m/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
Sun, May 24 Sunrise 05:42 Sunset 20:39
15:00
10°C 18°C 27°C - 10% 2.4kPa
16:00
10°C 19°C 27°C - 48% 2.2kPa
17:00
11°C 19°C 26°C - 9% 2kPa
18:00
12°C 19°C 25°C - 1% 1.7kPa
19:00
13°C 19°C 23°C - 0% 1.4kPa
20:00
12°C 19°C 21°C - 0% 1kPa
21:00
11°C 19°C 18°C - 5% 0.77kPa
22:00
11°C 19°C 18°C - 1% 0.71kPa
23:00
11°C 19°C 17°C - 0% 0.61kPa
Mon, May 25 Sunrise 05:42 Sunset 20:39
24:00
11°C 18°C 16°C - 5% 0.52kPa
01:00
11°C 18°C 15°C - 5% 0.48kPa
02:00
10°C 18°C 15°C - 5% 0.46kPa
03:00
9.7°C 18°C 15°C - 60% 0.45kPa
04:00
9.6°C 17°C 14°C - 99% 0.43kPa
05:00
9.7°C 17°C 14°C - 100% 0.42kPa
06:00
9.9°C 17°C 14°C - 58% 0.39kPa
07:00
12°C 17°C 16°C - 5% 0.48kPa
08:00
12°C 17°C 19°C - 5% 0.81kPa
09:00
13°C 17°C 22°C - 5% 1.1kPa
10:00
14°C 17°C 25°C - 5% 1.5kPa
11:00
14°C 18°C 27°C - 5% 2kPa
12:00
13°C 18°C 28°C - 5% 2.4kPa
13:00
12°C 19°C 29°C - 5% 2.6kPa
14:00
12°C 19°C 29°C - 5% 2.7kPa
15:00
12°C 19°C 29°C - 5% 2.7kPa
16:00
11°C 20°C 29°C - 5% 2.7kPa
17:00
11°C 20°C 29°C - 5% 2.6kPa
18:00
13°C 20°C 28°C - 5% 2.2kPa
19:00
14°C 20°C 25°C - 5% 1.7kPa
20:00
14°C 20°C 22°C - 5% 1.1kPa
21:00
12°C 20°C 20°C - 5% 0.95kPa
22:00
11°C 20°C 19°C - 5% 0.91kPa
23:00
12°C 20°C 18°C - 5% 0.75kPa
Tue, May 26 Sunrise 05:41 Sunset 20:40
24:00
12°C 20°C 18°C - 5% 0.62kPa
01:00
12°C 20°C 17°C - 5% 0.54kPa
02:00
11°C 19°C 16°C - 1% 0.5kPa
03:00
11°C 19°C 16°C - 0% 0.48kPa
04:00
11°C 19°C 16°C - 5% 0.49kPa
05:00
11°C 19°C 16°C - 5% 0.52kPa
06:00
10°C 18°C 16°C - 5% 0.54kPa
07:00
12°C 18°C 18°C - 21% 0.66kPa
08:00
13°C 18°C 21°C - 35% 1kPa
09:00
14°C 18°C 24°C - 19% 1.4kPa
10:00
15°C 19°C 26°C - 32% 1.7kPa
11:00
15°C 19°C 28°C - 10% 2.1kPa
12:00
14°C 19°C 29°C - 62% 2.4kPa
13:00
14°C 20°C 30°C - 56% 2.7kPa
14:00
14°C 20°C 31°C - 39% 2.8kPa
15:00
14°C 21°C 31°C - 5% 2.8kPa
16:00
14°C 21°C 30°C - 5% 2.8kPa
17:00
14°C 21°C 30°C - 5% 2.6kPa
18:00
15°C 22°C 29°C - 5% 2.4kPa
19:00
17°C 22°C 28°C - 13% 1.8kPa
20:00
17°C 22°C 25°C - 9% 1.2kPa
21:00
16°C 21°C 22°C - 18% 0.89kPa
22:00
15°C 20°C 20°C - 26% 0.64kPa
23:00
14°C 20°C 17°C - 35% 0.43kPa
Wed, May 27 Sunrise 05:41 Sunset 20:41
24:00
14°C 19°C 19°C - 56% 0.56kPa
01:00
15°C 19°C 20°C - 76% 0.71kPa
02:00
15°C 19°C 22°C - 96% 0.88kPa
03:00
15°C 19°C 23°C - 98% 1.2kPa
04:00
15°C 20°C 25°C - 99% 1.5kPa
05:00
15°C 20°C 27°C - 100% 1.9kPa
06:00
14°C 20°C 28°C - 68% 2.2kPa
07:00
14°C 21°C 29°C - 37% 2.5kPa
08:00
13°C 21°C 30°C - 5% 2.8kPa
09:00
13°C 21°C 30°C - 4% 2.9kPa
10:00
12°C 22°C 31°C - 3% 3kPa
11:00
12°C 22°C 31°C - 2% 3kPa
12:00
14°C 22°C 28°C - 2% 2.3kPa
13:00
16°C 22°C 26°C - 2% 1.6kPa
14:00
16°C 22°C 24°C - 2% 1.1kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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