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Rule Morning Frost

Buttermere - Morning Frost - Lake District

Workington, 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 99% failing
Time Window 83% failing

Currently

Real-time conditions
Soil Temperature9725.9°C
Dew Point9.4°C (moderate dew point)
Wind Speed6.0m/s (moderate winds)
Cloud Cover100%

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 the conditions that create the Lake District's enchanting frost photography opportunities. We combine temperature, dewpoint, wind, and humidity data to predict when hoar frost will transform England's most romantic landscapes into glittering winter scenes.

The Lake District's combination of lakes, tarns, and sheltered valleys creates ideal conditions for heavy frost formation. England's naturally high humidity combined with calm, cold nights produces thick hoar frost deposits that coat every surface. The region's intimate scale means frost-covered scenes retain the romantic quality that has drawn artists here for centuries.

What makes the Lake District special for frost photography:

  • Frozen tarns - Small tarns like Tarn Hows freeze solid, creating pristine ice skating scenes
  • Frosted fells - Grasses and bracken on fell sides become forests of ice crystals
  • Lake shore ice - Derwentwater and Windermere develop fascinating ice formations along their shores
  • Romantic compositions - Frost-covered stone walls, bare trees, and winter light evoke Wordsworth's poetry

Tarn Hows becomes a winter jewel when frozen and frost-covered—the small tarn surrounded by frosted woodland creates postcard-perfect scenes. Derwentwater's shores develop intricate ice patterns, particularly in sheltered bays like the view from Friars Crag. Higher tarns like Blea Tarn freeze reliably and hold frost longer, often remaining photogenic well into morning. Frosted bracken on the lower fells catches golden morning light beautifully. The key is arriving at dawn after clear, calm nights—our forecast identifies these conditions and predicts how long frost will persist after sunrise.

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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
Sun, Jun 7
03:000%5.9m/s
04:000%6.4m/s
05:000%7.2m/s
06:000%7.6m/s
07:000%8.1m/s
08:000%10m/s
09:000%11m/s
10:000%11m/s
11:000%11m/s
12:000%13m/s
13:000%14m/s
14:000%13m/s
15:000%11m/s
16:000%11m/s
17:000%12m/s
18:000%13m/s
19:000%12m/s
20:000%12m/s
21:000%12m/s
22:000%12m/s
23:000%13m/s
Mon, Jun 8
24:000%13m/s
01:000%10m/s
02:000%8.6m/s
03:000%6m/s
04:000%6.9m/s
05:000%5.6m/s
06:000%5.7m/s
07:000%5.5m/s
08:000%6m/s
09:000%6.5m/s
10:000%6.8m/s
11:000%7.5m/s
12:000%8.1m/s
13:000%9m/s
14:000%8.7m/s
15:000%7.8m/s
16:000%7.2m/s
17:000%6.9m/s
18:000%6.1m/s
19:000%6m/s
20:000%8m/s
21:000%7.3m/s
22:000%6.1m/s
23:000%6.8m/s
Tue, Jun 9
24:000%8.3m/s
01:000%9.3m/s
02:000%9.1m/s
03:000%8.9m/s
04:000%9.8m/s
05:000%9m/s
06:000%8.6m/s
07:000%9.7m/s
08:000%10m/s
09:000%10m/s
10:000%9.3m/s
11:000%10m/s
12:000%11m/s
13:000%12m/s
14:000%12m/s
15:000%11m/s
16:000%10m/s
17:000%8.4m/s
18:000%6.6m/s
19:000%6.5m/s
20:000%6.6m/s
21:000%5.8m/s
22:000%5.4m/s
23:000%5.7m/s
Wed, Jun 10
24:000%5.3m/s
01:000%4.4m/s
02:000%5.5m/s
03:000%7.5m/s
04:000%5.3m/s
05:000%4.7m/s
06:000%5m/s
07:000%6.4m/s
08:000%6.3m/s
09:000%6.2m/s
10:000%6.1m/s
11:000%6.2m/s
12:000%6.2m/s
13:000%6.2m/s
14:000%5.4m/s
15:000%4.6m/s
16:000%3.7m/s
17:000%2.8m/s
18:000%1.8m/s
19:000%0.88m/s
20:000%1.6m/s
21:000%2.3m/s
22:000%3m/s
23:000%3.6m/s
Thu, Jun 11
24:000%4.2m/s
01:000%4.9m/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
Mon, Jun 8 Sunrise 04:40 Sunset 21:46
03:00
9.4°C 9726°C 11°C - 100% 0.13kPa
04:00
9.4°C 9726°C 11°C - 100% 0.13kPa
05:00
8.7°C 9726°C 11°C - 100% 0.16kPa
06:00
8.2°C 9726°C 11°C - 100% 0.23kPa
07:00
7.6°C 9726°C 11°C - 59% 0.3kPa
08:00
7.4°C 9726°C 11°C - 11% 0.3kPa
09:00
7.5°C 9726°C 11°C - 5% 0.29kPa
10:00
7.5°C 9726°C 11°C - 6% 0.29kPa
11:00
7.1°C 9726°C 11°C - 2% 0.3kPa
12:00
6.8°C 9726°C 11°C - 1% 0.33kPa
13:00
6.8°C 9726°C 11°C - 1% 0.32kPa
14:00
6.5°C 9726°C 11°C - 1% 0.36kPa
15:00
6.3°C 9726°C 12°C - 2% 0.41kPa
16:00
6.2°C 9726°C 12°C - 5% 0.44kPa
17:00
6.4°C 9726°C 12°C - 5% 0.46kPa
18:00
7.1°C 9726°C 13°C - 18% 0.44kPa
19:00
8°C 9726°C 13°C - 74% 0.38kPa
20:00
7.9°C 9726°C 12°C - 99% 0.34kPa
21:00
7.8°C 9726°C 12°C - 100% 0.35kPa
22:00
7.6°C 9726°C 12°C - 78% 0.34kPa
23:00
8°C 9726°C 12°C - 69% 0.29kPa
Tue, Jun 9 Sunrise 04:40 Sunset 21:46
24:00
8.1°C 9726°C 11°C - 98% 0.27kPa
01:00
7.8°C 9726°C 11°C - 90% 0.28kPa
02:00
7.6°C 9726°C 11°C - 100% 0.26kPa
03:00
7.8°C 9726°C 11°C - 92% 0.24kPa
04:00
7.1°C 9726°C 11°C - 5% 0.29kPa
05:00
6.1°C 9726°C 10°C - 5% 0.32kPa
06:00
6.1°C 9726°C 11°C - 8% 0.33kPa
07:00
6.8°C 9726°C 11°C - 29% 0.29kPa
08:00
6.9°C 9726°C 11°C - 27% 0.29kPa
09:00
6.8°C 9726°C 11°C - 73% 0.29kPa
10:00
6.5°C 9726°C 10°C - 100% 0.29kPa
11:00
6.4°C 9726°C 11°C - 100% 0.32kPa
12:00
7°C 9726°C 11°C - 100% 0.31kPa
13:00
7.5°C 9726°C 11°C - 96% 0.31kPa
14:00
7.3°C 9726°C 11°C - 27% 0.33kPa
15:00
7.6°C 9726°C 12°C - 37% 0.35kPa
16:00
7.8°C 9726°C 12°C - 12% 0.36kPa
17:00
7.6°C 9726°C 12°C - 5% 0.4kPa
18:00
7°C 9726°C 13°C - 5% 0.49kPa
19:00
6.5°C 9726°C 13°C - 5% 0.52kPa
20:00
6.6°C 9726°C 13°C - 69% 0.49kPa
21:00
6.8°C 9726°C 12°C - 100% 0.44kPa
22:00
6.3°C 9726°C 12°C - 100% 0.45kPa
23:00
6.2°C 9726°C 12°C - 70% 0.44kPa
Wed, Jun 10 Sunrise 04:39 Sunset 21:47
24:00
6.4°C 9726°C 11°C - 83% 0.38kPa
01:00
7°C 9726°C 11°C - 96% 0.3kPa
02:00
7.1°C 9726°C 11°C - 100% 0.3kPa
03:00
7.8°C 9726°C 10°C - 100% 0.18kPa
04:00
7.4°C 9726°C 9.6°C - 100% 0.17kPa
05:00
6.2°C 9726°C 10°C - 100% 0.29kPa
06:00
6°C 9726°C 10°C - 100% 0.32kPa
07:00
6.8°C 9726°C 10°C - 100% 0.28kPa
08:00
7.1°C 6487°C 11°C - 68% 0.3kPa
09:00
7.3°C 3249°C 11°C - 37% 0.33kPa
10:00
7.6°C 10°C 12°C - 5% 0.35kPa
11:00
7.6°C 10°C 12°C - 4% 0.35kPa
12:00
7.6°C 10°C 12°C - 2% 0.34kPa
13:00
7.7°C 10°C 12°C - 1% 0.34kPa
14:00
7.5°C 10°C 11°C - 2% 0.28kPa
15:00
7.3°C 10°C 10°C - 4% 0.22kPa
16:00
7°C 10°C 9.4°C - 5% 0.18kPa
17:00
6.7°C 10°C 9.1°C - 37% 0.17kPa
18:00
6.4°C 9.8°C 8.8°C - 68% 0.17kPa
19:00
6.1°C 9.6°C 8.5°C - 100% 0.17kPa
20:00
6.5°C 9.4°C 8.9°C - 100% 0.18kPa
21:00
6.8°C 9.3°C 9.4°C - 100% 0.19kPa
22:00
7.2°C 9.2°C 9.8°C - 100% 0.2kPa
23:00
8°C 9.2°C 10°C - 100% 0.17kPa
Thu, Jun 11 Sunrise 04:39 Sunset 21:48
24:00
8.7°C 9.2°C 10°C - 100% 0.14kPa
01:00
9.4°C 9.2°C 11°C - 100% 0.1kPa
02:00
9.6°C 9.2°C 11°C - 100% 0.09kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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