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Rule Fog Hunter

Dovedale - Fog Hunter - Peak District

Ashbourne, England, United Kingdom

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 75.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread11.0°C
Visibility24135 (Clear)
Relative Humidity49%
Wind Speed2.9m/s (calm conditions)

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 identifies when temperature inversions create the valley fog and mist that make the Peak District one of England's premier locations for atmospheric landscape photography. We track dew point, temperature differentials, and wind conditions to predict when valleys fill with fog while higher ground remains clear.

The Peak District's topography creates ideal conditions for temperature inversions—cold air settles in valleys like the Hope Valley and Edale while summits like Mam Tor rise above the fog blanket. On still, clear nights, particularly in autumn and winter, the valleys fill with dense fog that glows at sunrise, transforming gritstone edges into dramatic islands floating above cloud seas.

What makes Peak District fog photography distinctive:

  • Mam Tor inversions - The Great Ridge rises dramatically above Hope Valley fog, creating spectacular dawn compositions with layered ridges disappearing into mist
  • Edale Valley blankets - Dense fog fills the valley below Kinder Scout, visible from multiple viewpoints along the edges
  • Dovedale mist - The limestone gorge channels morning mist that softens the valley's stepping stones and spires
  • Gritstone emergence - Stanage Edge, Curbar Edge, and Bamford Edge become dramatic foregrounds rising above valley fog

Mam Tor offers the Peak District's signature fog composition—standing on the summit at dawn with the Great Ridge extending ahead while Hope Valley lies hidden beneath fog creates an ethereal sea of cloud with ridge islands. The A625 Snake Pass viewpoint provides safe roadside access to photograph Ladybower Reservoir emerging from mist. Stanage Edge becomes even more dramatic when moorland fog swirls around its gritstone formations. Best conditions occur on clear autumn and winter nights following cold, still days—particularly September through February. The fog typically burns off by mid-morning, so arrive before sunrise to capture the best light illuminating the mist.

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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/London
Fog Probability
≥ 75.0%
Sun, May 24
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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15:000%
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Mon, May 25
24:000%
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Tue, May 26
24:000%
01:000%
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03:000%
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06:000%
07:000%
08:000%
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Wed, May 27
24:000%
01:000%
02:000%
03:000%
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06:000%
07:000%
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How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog 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
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, May 24 Sunrise 04:56 Sunset 21:12
14:00
74% 9.9°C 0mm 49% 0cm 56° 21°C 0mm 1.3kPa 24135m 3.9m/s 2.9m/s
15:00
86% 10°C 0mm 49% 0cm 51° 22°C 0mm 1.3kPa 24135m 4m/s 2.9m/s
16:00
98% 11°C 0mm 50% 0cm 44° 22°C 0mm 1.3kPa 24134m 3.7m/s 2.8m/s
17:00
99% 12°C 0mm 52% 0cm 35° 22°C 0mm 1.3kPa 24134m 3.5m/s 2.4m/s
18:00
99% 13°C 0mm 58% 0cm 26° 22°C 0mm 1.1kPa 24134m 3.3m/s 1.9m/s
19:00
100% 15°C 0mm 68% 0cm 17° 22°C 0mm 0.83kPa 24134m 2.2m/s 1.2m/s
20:00
100% 13°C 0mm 69% 0cm 8.6° 19°C 0mm 0.68kPa 24135m 0.72m/s 0.72m/s
21:00
100% 11°C 0mm 70% 0cm 1.1° 17°C 0mm 0.56kPa 24134m 0.32m/s 0.31m/s
22:00
100% 11°C 0mm 73% 0cm -6° 16°C 0mm 0.48kPa 24135m 0.31m/s 0.35m/s
23:00
100% 10°C 0mm 74% 0cm -11° 15°C 0mm 0.45kPa 24134m 0.3m/s 0.34m/s
Mon, May 25 Sunrise 04:56 Sunset 21:12
24:00
100% 10°C 0mm 75% 0cm -15° 15°C 0mm 0.42kPa 24135m 0.41m/s 0.35m/s
01:00
100% 11°C 0mm 79% 0cm -16° 14°C 0mm 0.34kPa 24135m 0.5m/s 0.5m/s
02:00
100% 10°C 0mm 80% 0cm -15° 14°C 0mm 0.31kPa 24135m 0.61m/s 0.54m/s
03:00
100% 11°C 0mm 81% 0cm -12° 14°C 0mm 0.3kPa 24135m 0.52m/s 0.58m/s
04:00
100% 10°C 0mm 81% 0cm -6.8° 14°C 0mm 0.29kPa 24135m 0.83m/s 0.89m/s
05:00
100% 11°C 0mm 81% 0cm 0.31° 14°C 0mm 0.29kPa 24134m 0.5m/s 0.46m/s
06:00
100% 11°C 0mm 80% 0cm 7.6° 14°C 0mm 0.32kPa 24134m 0.6m/s 0.61m/s
07:00
100% 13°C 0mm 80% 0cm 16° 16°C 0mm 0.38kPa 24134m 1.3m/s 1.1m/s
08:00
100% 14°C 0mm 76% 0cm 25° 18°C 0mm 0.5kPa 24135m 1.4m/s 1.1m/s
09:00
100% 15°C 0mm 75% 0cm 34° 20°C 0mm 0.58kPa 24134m 2.1m/s 1.6m/s
10:00
100% 16°C 0mm 73% 0cm 43° 21°C 0mm 0.68kPa 24135m 2.8m/s 1.9m/s
11:00
100% 17°C 0mm 70% 0cm 50° 23°C 0mm 0.84kPa 24135m 3m/s 2.2m/s
12:00
100% 18°C 0mm 66% 0cm 56° 24°C 0mm 1kPa 24134m 3.4m/s 2.5m/s
13:00
100% 18°C 0mm 62% 0cm 58° 25°C 0mm 1.2kPa 24135m 3.4m/s 2.3m/s
14:00
100% 18°C 0mm 59% 0cm 56° 26°C 0mm 1.4kPa 24134m 3.9m/s 2.3m/s
15:00
100% 17°C 0mm 56% 0cm 51° 27°C 0mm 1.6kPa 24134m 4.3m/s 2.3m/s
16:00
100% 18°C 0mm 56% 0cm 44° 27°C 0mm 1.6kPa 24134m 4.6m/s 2.5m/s
17:00
100% 19°C 0mm 62% 0cm 35° 27°C 0mm 1.4kPa 24134m 4.6m/s 2.8m/s
18:00
100% 20°C 0mm 70% 0cm 26° 26°C 0.19mm 1kPa 24058m 3.9m/s 1.9m/s
19:00
100% 21°C 0mm 75% 0cm 17° 26°C 0.25mm 0.83kPa 24134m 3.4m/s 1.3m/s
20:00
100% 20°C 0mm 80% 0cm 8.8° 24°C 0mm 0.6kPa 24135m 1.4m/s 1.4m/s
21:00
99% 19°C 0mm 86% 0cm 1.2° 21°C 0.06mm 0.36kPa 24134m 1.4m/s 1.3m/s
22:00
99% 18°C 0mm 86% 0cm -5.8° 20°C 0.06mm 0.33kPa 24135m 1m/s 1m/s
23:00
99% 17°C 0mm 86% 0cm -11° 19°C 0.13mm 0.32kPa 24134m 0.61m/s 0.56m/s
Tue, May 26 Sunrise 04:55 Sunset 21:13
24:00
99% 17°C 0mm 88% 0cm -15° 19°C 0.19mm 0.27kPa 24134m 1m/s 0.96m/s
01:00
99% 17°C 0mm 89% 0cm -16° 18°C 0.19mm 0.23kPa 24135m 0.92m/s 0.87m/s
02:00
99% 16°C 0mm 90% 0cm -15° 18°C 0mm 0.19kPa 24134m 0.71m/s 0.74m/s
03:00
100% 16°C 0mm 92% 0cm -12° 18°C 0mm 0.17kPa 24135m 0.81m/s 0.79m/s
04:00
100% 16°C 0mm 92% 0cm -6.6° 17°C 0mm 0.16kPa 24134m 1m/s 0.97m/s
05:00
100% 15°C 0mm 92% 0cm 0.43° 17°C 0mm 0.16kPa 24134m 1.1m/s 1.1m/s
06:00
100% 16°C 0mm 91% 0cm 7.8° 17°C 0mm 0.18kPa 24134m 0.71m/s 0.74m/s
07:00
100% 17°C 0mm 86% 0cm 16° 19°C 0mm 0.3kPa 24135m 1.1m/s 0.75m/s
08:00
100% 17°C 0mm 81% 0cm 25° 20°C 0mm 0.45kPa 24134m 1.9m/s 1.2m/s
09:00
100% 17°C 0mm 75% 0cm 34° 22°C 0mm 0.64kPa 24135m 2.6m/s 1.6m/s
10:00
100% 17°C 0mm 72% 0cm 43° 23°C 0mm 0.79kPa 24134m 3m/s 2.2m/s
11:00
100% 18°C 0mm 69% 0cm 50° 24°C 0mm 0.93kPa 24135m 3.1m/s 2.4m/s
12:00
99% 18°C 0mm 66% 0cm 56° 25°C 0mm 1.1kPa 24134m 3.1m/s 2.3m/s
13:00
99% 19°C 0mm 65% 0cm 58° 26°C 0.13mm 1.2kPa 24134m 3.1m/s 2.3m/s
14:00
85% 19°C 0mm 63% 0cm 56° 26°C 0.56mm 1.3kPa 24134m 3.2m/s 2.3m/s
15:00
70% 19°C 0mm 65% 0cm 51° 26°C 1.6mm 1.2kPa 22866m 3.4m/s 2.4m/s
16:00
56% 19°C 0mm 62% 0cm 44° 27°C 1.9mm 1.3kPa 22916m 2.9m/s 2.3m/s
17:00
51% 20°C 0mm 67% 0cm 35° 26°C 2.8mm 1.1kPa 24134m 2.3m/s 1.9m/s
18:00
47% 20°C 0mm 74% 0cm 26° 25°C 3.9mm 0.82kPa 22985m 2.3m/s 1.9m/s
19:00
42% 19°C 0.01mm 78% 0cm 17° 23°C 5.6mm 0.62kPa 3949m 1.9m/s 1.9m/s
20:00
38% 16°C 0.007mm 84% 0cm 8.9° 19°C 3.7mm 0.34kPa 10678m 5m/s 3.2m/s
21:00
34% 13°C 0.003mm 90% 0cm 1.4° 15°C 1.9mm 0.16kPa 17406m 8.2m/s 4.6m/s
22:00
30% 9.5°C 0mm 96% 0cm -5.7° 10°C 0mm 0.04kPa 24135m 11m/s 6m/s
23:00
28% 9.5°C 0mm 94% 0cm -11° 10°C 0mm 0.07kPa 24135m 11m/s 5.9m/s
Wed, May 27 Sunrise 04:53 Sunset 21:14
24:00
26% 9.4°C 0mm 92% 0cm -14° 11°C 0mm 0.1kPa 24135m 11m/s 5.8m/s
01:00
24% 9.4°C 0mm 90% 0cm -16° 11°C 0mm 0.13kPa 24135m 11m/s 5.8m/s
02:00
29% 9.9°C 0mm 84% 0cm -15° 13°C 0mm 0.23kPa 24135m 10m/s 5.9m/s
03:00
33% 10°C 0mm 78% 0cm -12° 14°C 0mm 0.36kPa 24135m 9m/s 6m/s
04:00
38% 11°C 0mm 71% 0cm -6.5° 16°C 0mm 0.51kPa 24135m 7.9m/s 6m/s
05:00
36% 11°C 0mm 69% 0cm 0.54° 17°C 0mm 0.59kPa 24135m 7.7m/s 6.1m/s
06:00
34% 11°C 0mm 66% 0cm 7.9° 17°C 0mm 0.68kPa 24135m 7.4m/s 6.1m/s
07:00
32% 11°C 0mm 63% 0cm 16° 18°C 0mm 0.78kPa 24135m 7.1m/s 6.1m/s
08:00
31% 11°C 0mm 63% 0cm 25° 18°C 0mm 0.77kPa 24135m 6.8m/s 6m/s
09:00
30% 12°C 0mm 64% 0cm 34° 19°C 0mm 0.77kPa 24135m 6.5m/s 5.8m/s
10:00
29% 12°C 0mm 64% 0cm 43° 19°C 0mm 0.77kPa 24135m 6.1m/s 5.6m/s
11:00
33% 12°C 0mm 67% 0cm 50° 18°C 0mm 0.67kPa 24135m 6.2m/s 5.5m/s
12:00
36% 12°C 0mm 71% 0cm 56° 17°C 0mm 0.58kPa 24135m 6.4m/s 5.3m/s
13:00
40% 12°C 0mm 74% 0cm 58° 16°C 0mm 0.49kPa 24135m 6.5m/s 5.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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