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Rule Morning Frost

Mam Tor - Morning Frost - Peak District

Hope Valley, England, United Kingdom

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 92% failing
Time Window 88% failing

Currently

Real-time conditions
Soil Temperature7.6°C
Dew Point1.6°C (low dew point)
Wind Speed8.2m/s (moderate winds)
Cloud Cover27%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

This forecast tracks overnight temperature drops and clear-sky conditions that create the heavy frost displays transforming the Peak District's moorlands, limestone valleys, and gritstone edges into monochrome winter wonderlands. We monitor minimum temperatures, precipitation, and cloud cover to predict when frost photography opportunities arise.

The Peak District's elevation and northern English climate create frequent frost conditions from November through March. The landscape's variety means frost affects different terrain in distinctive ways—coating heather moorland in white crystals, rimming limestone formations in Dovedale, and creating ice sculptures on gritstone edges where water seepage freezes overnight.

What makes Peak District frost photography distinctive:

  • Gritstone frost patterns - Ice crystals coat the millstone grit at Stanage Edge and Curbar Edge, highlighting the rock's natural texture
  • Dovedale limestone ice - Limestone formations and stepping stones develop intricate frost patterns, particularly where spray from the river freezes
  • Moorland white-out - Kinder Scout plateau and surrounding moorland become monochrome landscapes when heavy frost coats heather and peat
  • Reservoir margins - Ladybower Reservoir's edges develop ice formations where water meets frozen shoreline vegetation

Stanage Edge offers four miles of frosted gritstone escarpment catching first light—the combination of textured rock, frosted grass, and dawn light creates powerful compositions. Dovedale's stepping stones become treacherous but photogenic when frost coats the limestone and surrounding vegetation. Chrome Hill's dragon's back ridge develops spectacular frost formations along its narrow crest. Chatsworth's parkland combines frosted trees along the River Derwent with the grand estate as backdrop. The best frost conditions follow clear, windless nights with temperatures dropping below -2°C—typically after high-pressure systems settle over the region. Arrive before sunrise to capture frost at its thickest before sun melts the display. Pack micro-spikes for icy paths on moorland and edges.

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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/London
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Mon, Apr 20
20:003%5m/s
21:002.9%4m/s
22:002.9%3.4m/s
23:001.7%3.7m/s
Tue, Apr 21
24:000.8%4.5m/s
01:000.6%5.7m/s
02:000.6%6.1m/s
03:000.6%6m/s
04:007%5.9m/s
05:007%6.5m/s
06:007%6.6m/s
07:0014%6.5m/s
08:0022%6.7m/s
09:0037%7.7m/s
10:0042%8.9m/s
11:004.3%9.9m/s
12:004.3%10m/s
13:004.3%10m/s
14:004.3%10m/s
15:004.3%9.5m/s
16:003.9%8.9m/s
17:004.3%9m/s
18:004.3%9m/s
19:002.6%8.7m/s
20:003.3%8.2m/s
21:002.8%7.8m/s
22:001.4%7.3m/s
23:002.8%7.2m/s
Wed, Apr 22
24:002.8%7m/s
01:002.5%6.9m/s
02:002.5%6.9m/s
03:0026%6.5m/s
04:0022%6.5m/s
05:0022%6.2m/s
06:0022%6.8m/s
07:0026%7m/s
08:0029%7.1m/s
09:0042%7.6m/s
10:0042%7.5m/s
11:0044%8.1m/s
12:004.3%9.1m/s
13:004%9.1m/s
14:004%9.2m/s
15:004%8.5m/s
16:004.3%8.5m/s
17:004.3%7.7m/s
18:000%7.4m/s
19:000%7.6m/s
20:002.6%7m/s
21:001.3%6.4m/s
22:000.6%5.8m/s
23:000.8%5.5m/s
Thu, Apr 23
24:000.8%4.6m/s
01:001%3.5m/s
02:001.1%3.2m/s
03:0015%3.4m/s
04:0015%3.5m/s
05:0015%3.1m/s
06:0012%3.3m/s
07:0012%3.3m/s
08:0026%3.1m/s
09:0046%4m/s
10:0044%4.9m/s
11:0046%5.3m/s
12:004.5%5.1m/s
13:004.2%5.2m/s
14:004.2%5.1m/s
15:004%5.2m/s
16:000%5.3m/s
17:000%5.1m/s
18:000%4.6m/s
19:000%4.4m/s
20:000%3.5m/s
21:000%3m/s
22:000%2.6m/s
23:003.4%2.4m/s
Fri, Apr 24
24:004.2%2.3m/s
01:004.2%2.3m/s
02:005%2.1m/s
03:004.9%2m/s
04:004.4%1.8m/s
05:000%2m/s
06:000%2.3m/s
07:000%2.5m/s
08:000%2.4m/s
09:000%2.3m/s
10:000%2.2m/s
11:000%2m/s
12:000%1.7m/s
13:000%1.5m/s
14:000%1.4m/s
15:000%1.3m/s
16:000%1.2m/s
17:000%1.2m/s
18:000%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/London
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Tue, Apr 21 Sunrise 05:54 Sunset 20:18
20:00
1.6°C 7.6°C 6°C - 27% 0.25kPa
21:00
1.7°C 7.4°C 5°C - 26% 0.18kPa
22:00
1.7°C 7.1°C 4.3°C - 66% 0.14kPa
23:00
1.5°C 6.9°C 4°C - 9% 0.13kPa
Wed, Apr 22 Sunrise 05:54 Sunset 20:18
24:00
1.4°C 6.7°C 3.5°C - 5% 0.11kPa
01:00
1.4°C 6.4°C 3.3°C - 5% 0.1kPa
02:00
1.5°C 6.2°C 3.1°C - 4% 0.08kPa
03:00
1.5°C 6°C 2.8°C - 0% 0.07kPa
04:00
1.6°C 5.7°C 2.5°C - 0% 0.05kPa
05:00
1.5°C 5.5°C 2.2°C - 0% 0.03kPa
06:00
1.5°C 5.3°C 2.2°C - 0% 0.03kPa
07:00
1.5°C 5.1°C 2.9°C - 0% 0.07kPa
08:00
1.8°C 5.1°C 4.7°C - 0% 0.16kPa
09:00
1.7°C 5.3°C 6.4°C - 0% 0.27kPa
10:00
2.3°C 5.5°C 7.9°C - 5% 0.34kPa
11:00
2.4°C 5.9°C 9.3°C - 5% 0.44kPa
12:00
1.7°C 6.3°C 10°C - 0% 0.55kPa
13:00
1.7°C 6.6°C 11°C - 5% 0.61kPa
14:00
1.9°C 7.1°C 11°C - 0% 0.62kPa
15:00
2.3°C 7.4°C 11°C - 5% 0.61kPa
16:00
2.8°C 7.7°C 11°C - 5% 0.57kPa
17:00
3.4°C 7.9°C 11°C - 5% 0.51kPa
18:00
3.2°C 8.1°C 9.5°C - 7% 0.42kPa
19:00
2.5°C 8.1°C 8°C - 98% 0.34kPa
20:00
2.2°C 8°C 6.3°C - 100% 0.24kPa
21:00
2.8°C 7.7°C 5°C - 100% 0.12kPa
22:00
3.1°C 7.4°C 4.1°C - 100% 0.05kPa
23:00
3°C 7.2°C 3.5°C - 100% 0.03kPa
Thu, Apr 23 Sunrise 05:52 Sunset 20:19
24:00
2.7°C 6.9°C 3.2°C - 100% 0.03kPa
01:00
2.3°C 6.6°C 2.7°C - 100% 0.02kPa
02:00
1.8°C 6.3°C 2.1°C - 73% 0.01kPa
03:00
1.7°C 6°C 1.8°C - 49% 0.01kPa
04:00
1.7°C 5.7°C 1.8°C - 57% 0.01kPa
05:00
1.6°C 5.5°C 1.8°C - 58% 0.01kPa
06:00
1.5°C 5.3°C 1.7°C - 66% 0.01kPa
07:00
2°C 5.1°C 2.5°C - 68% 0.03kPa
08:00
2.4°C 5.1°C 4°C - 20% 0.09kPa
09:00
2.4°C 5.2°C 6°C - 0% 0.21kPa
10:00
2.3°C 5.5°C 8.1°C - 0% 0.36kPa
11:00
2.2°C 5.9°C 9.5°C - 0% 0.47kPa
12:00
2.5°C 6.4°C 11°C - 0% 0.56kPa
13:00
3.1°C 6.9°C 12°C - 0% 0.66kPa
14:00
3.5°C 7.4°C 13°C - 0% 0.72kPa
15:00
3.8°C 7.9°C 14°C - 0% 0.78kPa
16:00
3.8°C 8.3°C 14°C - 5% 0.78kPa
17:00
4°C 8.7°C 13°C - 4% 0.72kPa
18:00
5.3°C 8.9°C 13°C - 5% 0.56kPa
19:00
4.7°C 9°C 11°C - 5% 0.41kPa
20:00
3.4°C 8.8°C 7.3°C - 7% 0.24kPa
21:00
2.1°C 8.5°C 5.1°C - 5% 0.17kPa
22:00
1.5°C 8.1°C 4.2°C - 5% 0.14kPa
23:00
0.7°C 7.7°C 3.5°C - 5% 0.14kPa
Fri, Apr 24 Sunrise 05:50 Sunset 20:21
24:00
-0.5°C 7.3°C 2.8°C - 5% 0.16kPa
01:00
-1.8°C 6.9°C 2.4°C - 5% 0.19kPa
02:00
-1.4°C 7.1°C 5.1°C - 3% 0.32kPa
03:00
-1.5°C 7.3°C 7.7°C - 2% 0.5kPa
04:00
-2.3°C 7.5°C 10°C - 0% 0.74kPa
05:00
-2°C 8.5°C 12°C - 2% 0.85kPa
06:00
-1.9°C 9.5°C 13°C - 3% 0.97kPa
07:00
-1.8°C 11°C 14°C - 5% 1.1kPa
08:00
-1.1°C 11°C 15°C - 27% 1.1kPa
09:00
-0.3°C 12°C 15°C - 50% 1.1kPa
10:00
0.5°C 13°C 16°C - 72% 1.2kPa
11:00
1.8°C 13°C 15°C - 51% 1kPa
12:00
2.9°C 13°C 15°C - 30% 0.91kPa
13:00
3.8°C 14°C 14°C - 9% 0.79kPa
14:00
3.6°C 13°C 12°C - 6% 0.62kPa
15:00
3.2°C 12°C 10°C - 3% 0.47kPa
16:00
2.6°C 12°C 8.3°C - 0% 0.36kPa
17:00
2.5°C 11°C 7.8°C - 0% 0.33kPa
18:00
2.3°C 11°C 7.3°C - 0% 0.3kPa
19:00
2.2°C 10°C 6.9°C - 0% 0.28kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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