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Rule Morning Frost

Morning Frost Forecast for Brevard, Smoky Mountains & Blue Ridge

Brevard, North Carolina, United States

Brevard is surrounded by Pisgah forest, where Looking Glass Rock, tumbling creeks, dense hardwoods, and numerous waterfalls shape intimate scenes.

Currently

Real-time conditions
Soil Temperature20.7°C
Dew Point16.9°C (high dew point)
Wind Speed1.0m/s (calm conditions)
Cloud Cover95%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/New_York

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (85-hour forecast)

  • Frost Probability100% of hours
  • Time Window88% of hours
  • Wind Speed82% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Morning Frost conditions across Smoky Mountains & Blue Ridge. The requirements and hourly values below show how those signals apply at Brevard.

Explore Morning Frost conditions across Smoky Mountains & Blue Ridge →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Brevard during the last 365 days.

Last 30 days
0
recorded matching windows
Last 90 days
0
recorded matching windows
Last 365 days
7
recorded matching windows · 57% average confidence

Only 7 completed matches are recorded in the last 365 days—insufficient history to identify a reliable typical start time or month.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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85-hour requirements breakdown

When available, the detailed table below covers only the stated 85-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
0matching hours in the next 85 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Sat, Aug 22
01:000%1.2m/s
02:000%0.99m/s
03:000%0.28m/s
04:000%0.79m/s
05:000%1.1m/s
06:000%1m/s
07:000%0.98m/s
08:000%1.2m/s
09:000%0.7m/s
10:000%0.4m/s
11:000%0.79m/s
12:000%1.2m/s
13:000%1.9m/s
14:000%2.4m/s
15:000%2.2m/s
16:000%1m/s
17:000%1.4m/s
18:000%1.6m/s
19:000%1.3m/s
20:000%1.9m/s
21:000%2.3m/s
22:000%2.4m/s
23:000%2.4m/s
Sun, Aug 23
24:000%2.2m/s
01:000%2m/s
02:000%2m/s
03:000%2m/s
04:000%2.2m/s
05:000%2m/s
06:000%2.2m/s
07:000%2.1m/s
08:000%1.8m/s
09:000%1.3m/s
10:000%1.4m/s
11:000%1.9m/s
12:000%2.8m/s
13:000%3.2m/s
14:000%2.9m/s
15:000%2.6m/s
16:000%2.4m/s
17:000%2m/s
18:000%1.5m/s
19:000%1.7m/s
20:000%2.5m/s
21:000%2.5m/s
22:000%2.3m/s
23:000%2.2m/s
Mon, Aug 24
24:000%2.1m/s
01:000%1.9m/s
02:000%2.1m/s
03:000%2.1m/s
04:000%2.1m/s
05:000%2.2m/s
06:000%1.9m/s
07:000%2m/s
08:000%1.7m/s
09:000%1.1m/s
10:000%0.65m/s
11:000%0.72m/s
12:000%0.79m/s
13:000%0.97m/s
14:000%1.2m/s
15:000%1.6m/s
16:000%1.8m/s
17:000%1.9m/s
18:000%1.1m/s
19:000%2.5m/s
20:000%2.6m/s
21:000%2.5m/s
22:000%2.4m/s
23:000%2.4m/s
Tue, Aug 25
24:000%2.3m/s
01:000%2.1m/s
02:000%2m/s
03:000%2.4m/s
04:000%2.7m/s
05:000%3m/s
06:000%2.7m/s
07:000%2.3m/s
08:000%2m/s
09:000%2m/s
10:000%2m/s
11:000%2m/s
12:000%1.8m/s
13:000%1.6m/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
America/New_York
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Sat, Aug 22 Sunrise 06:56 Sunset 20:10
16:00
17°C 21°C 24°C - 95% 1.1kPa
17:00
17°C 21°C 23°C - 99% 0.84kPa
18:00
17°C 21°C 21°C - 17% 0.63kPa
19:00
18°C 21°C 23°C - 0% 0.76kPa
20:00
16°C 21°C 20°C - 1% 0.56kPa
21:00
15°C 21°C 19°C - 0% 0.48kPa
22:00
14°C 20°C 18°C - 0% 0.48kPa
23:00
14°C 20°C 18°C - 0% 0.49kPa
Sun, Aug 23 Sunrise 06:57 Sunset 20:09
24:00
14°C 20°C 18°C - 0% 0.45kPa
01:00
14°C 20°C 17°C - 0% 0.39kPa
02:00
14°C 20°C 17°C - 0% 0.34kPa
03:00
14°C 20°C 17°C - 0% 0.3kPa
04:00
14°C 20°C 16°C - 0% 0.26kPa
05:00
14°C 20°C 16°C - 0% 0.22kPa
06:00
14°C 19°C 15°C - 0% 0.17kPa
07:00
14°C 19°C 15°C - 0% 0.12kPa
08:00
15°C 19°C 17°C - 0% 0.22kPa
09:00
15°C 19°C 20°C - 0% 0.72kPa
10:00
10°C 19°C 23°C - 0% 1.6kPa
11:00
6.9°C 19°C 25°C - 0% 2.2kPa
12:00
5.5°C 19°C 26°C - 0% 2.5kPa
13:00
5°C 20°C 27°C - 0% 2.7kPa
14:00
3.5°C 20°C 28°C - 0% 2.9kPa
15:00
2.9°C 20°C 28°C - 0% 3kPa
16:00
2.9°C 20°C 28°C - 0% 3kPa
17:00
3.7°C 21°C 27°C - 0% 2.8kPa
18:00
8.3°C 21°C 26°C - 0% 2.2kPa
19:00
12°C 21°C 22°C - 14% 1.2kPa
20:00
12°C 21°C 18°C - 5% 0.67kPa
21:00
11°C 20°C 16°C - 5% 0.51kPa
22:00
10°C 20°C 15°C - 82% 0.45kPa
23:00
9.9°C 20°C 15°C - 97% 0.48kPa
Mon, Aug 24 Sunrise 06:57 Sunset 20:08
24:00
9.2°C 20°C 15°C - 85% 0.53kPa
01:00
8.5°C 20°C 15°C - 36% 0.55kPa
02:00
8.4°C 19°C 14°C - 51% 0.54kPa
03:00
8.5°C 19°C 14°C - 100% 0.5kPa
04:00
8.6°C 19°C 14°C - 100% 0.48kPa
05:00
8.8°C 19°C 14°C - 63% 0.45kPa
06:00
8.7°C 19°C 13°C - 100% 0.41kPa
07:00
8.6°C 18°C 13°C - 100% 0.42kPa
08:00
9.9°C 18°C 15°C - 64% 0.47kPa
09:00
11°C 18°C 19°C - 58% 0.86kPa
10:00
11°C 18°C 21°C - 100% 1.3kPa
11:00
9.8°C 18°C 23°C - 100% 1.7kPa
12:00
8.4°C 19°C 25°C - 98% 2.1kPa
13:00
7.1°C 19°C 27°C - 100% 2.5kPa
14:00
5.9°C 19°C 28°C - 100% 2.8kPa
15:00
5.1°C 20°C 28°C - 59% 2.9kPa
16:00
5°C 20°C 28°C - 56% 3kPa
17:00
5.6°C 20°C 28°C - 100% 2.8kPa
18:00
11°C 20°C 26°C - 94% 2.1kPa
19:00
14°C 20°C 22°C - 42% 1.1kPa
20:00
13°C 20°C 18°C - 12% 0.56kPa
21:00
12°C 21°C 18°C - 33% 0.6kPa
22:00
12°C 22°C 18°C - 55% 0.64kPa
23:00
11°C 23°C 18°C - 76% 0.68kPa
Tue, Aug 25 Sunrise 06:58 Sunset 20:06
24:00
11°C 23°C 18°C - 83% 0.69kPa
01:00
12°C 22°C 18°C - 90% 0.71kPa
02:00
12°C 22°C 18°C - 97% 0.72kPa
03:00
12°C 22°C 21°C - 80% 1.1kPa
04:00
11°C 22°C 23°C - 64% 1.6kPa
05:00
9.2°C 22°C 26°C - 47% 2.2kPa
06:00
9.6°C 23°C 27°C - 43% 2.4kPa
07:00
10°C 23°C 29°C - 39% 2.7kPa
08:00
10°C 23°C 30°C - 35% 3kPa
09:00
10°C 24°C 30°C - 25% 3.1kPa
10:00
10°C 24°C 31°C - 15% 3.1kPa
11:00
10°C 24°C 31°C - 5% 3.2kPa
12:00
12°C 24°C 29°C - 5% 2.5kPa
13:00
13°C 24°C 26°C - 5% 1.9kPa
14:00
13°C 25°C 24°C - 5% 1.4kPa
15:00
13°C 24°C 23°C - 37% 1.3kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

Forecast generated

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