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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 Spread14.6°C
Visibility24135 (Clear)
Relative Humidity41%
Wind Speed3.0m/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%
Wed, Jul 8
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
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20:000%
21:000%
22:000%
23:000%
Thu, Jul 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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16:000%
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Fri, Jul 10
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
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23:000%
Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
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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
Wed, Jul 8 Sunrise 04:51 Sunset 21:31
15:00
99% 14°C 0mm 41% 0cm 53° 29°C 0mm 2.3kPa 24135m 3.5m/s 3m/s
16:00
100% 14°C 0mm 40% 0cm 46° 29°C 0mm 2.4kPa 24135m 3.6m/s 3.1m/s
17:00
100% 14°C 0mm 40% 0cm 37° 29°C 0mm 2.5kPa 24135m 3.6m/s 2.8m/s
18:00
100% 14°C 0mm 40% 0cm 28° 29°C 0mm 2.5kPa 24135m 3.8m/s 2.5m/s
19:00
100% 15°C 0mm 43% 0cm 20° 28°C 0mm 2.2kPa 24134m 2.5m/s 3.6m/s
20:00
100% 16°C 0mm 54% 0cm 11° 26°C 0mm 1.6kPa 24134m 5.3m/s 3.2m/s
21:00
100% 16°C 0mm 64% 0cm 3.2° 23°C 0mm 1kPa 24134m 4m/s 3.3m/s
22:00
100% 15°C 0mm 72% 0cm -3.8° 21°C 0mm 0.67kPa 24135m 4.6m/s 3.6m/s
23:00
100% 15°C 0mm 77% 0cm -9.3° 19°C 0mm 0.52kPa 24134m 3.2m/s 3.1m/s
Thu, Jul 9 Sunrise 04:51 Sunset 21:31
24:00
100% 15°C 0mm 79% 0cm -13° 19°C 0mm 0.46kPa 24134m 2.7m/s 2.8m/s
01:00
100% 15°C 0mm 80% 0cm -15° 18°C 0mm 0.41kPa 24135m 2.7m/s 2.9m/s
02:00
100% 15°C 0mm 81% 0cm -14° 18°C 0mm 0.39kPa 24135m 2.9m/s 3.1m/s
03:00
100% 14°C 0mm 80% 0cm -11° 17°C 0mm 0.39kPa 24135m 2.9m/s 2.9m/s
04:00
100% 13°C 0mm 77% 0cm -6.2° 17°C 0mm 0.44kPa 24134m 2.2m/s 2.3m/s
05:00
99% 12°C 0mm 74% 0cm 0.51° 16°C 0mm 0.47kPa 24134m 2.1m/s 2.2m/s
06:00
99% 11°C 0mm 70% 0cm 7.7° 17°C 0mm 0.57kPa 24134m 2.3m/s 2.3m/s
07:00
98% 12°C 0mm 62% 0cm 16° 19°C 0mm 0.84kPa 24135m 3m/s 1.9m/s
08:00
98% 12°C 0mm 54% 0cm 25° 21°C 0mm 1.2kPa 24135m 2.5m/s 2m/s
09:00
99% 12°C 0mm 49% 0cm 34° 23°C 0mm 1.4kPa 24134m 2m/s 2m/s
10:00
99% 12°C 0mm 46% 0cm 43° 25°C 0mm 1.7kPa 24135m 2m/s 2.4m/s
11:00
98% 13°C 0mm 44% 0cm 50° 26°C 0mm 1.9kPa 24134m 2.4m/s 2.9m/s
12:00
97% 12°C 0mm 40% 0cm 56° 27°C 0mm 2.1kPa 24135m 2.7m/s 3.4m/s
13:00
96% 11°C 0mm 35% 0cm 59° 28°C 0mm 2.4kPa 24135m 2.7m/s 3.5m/s
14:00
95% 10°C 0mm 32% 0cm 58° 29°C 0mm 2.6kPa 24134m 2.8m/s 3.4m/s
15:00
93% 11°C 0mm 32% 0cm 53° 29°C 0mm 2.7kPa 24135m 2.9m/s 3.4m/s
16:00
92% 11°C 0mm 33% 0cm 46° 29°C 0mm 2.7kPa 24134m 3m/s 3.4m/s
17:00
91% 12°C 0mm 34% 0cm 37° 29°C 0mm 2.6kPa 24134m 3.3m/s 3.9m/s
18:00
89% 12°C 0mm 36% 0cm 28° 28°C 0mm 2.4kPa 24135m 3.9m/s 4.8m/s
19:00
88% 12°C 0mm 40% 0cm 19° 27°C 0mm 2.1kPa 24135m 4.8m/s 5.1m/s
20:00
81% 13°C 0mm 48% 0cm 11° 24°C 0mm 1.6kPa 24134m 7.4m/s 3.5m/s
21:00
73% 12°C 0mm 58% 0cm 3.1° 21°C 0mm 1kPa 24135m 4.2m/s 3.3m/s
22:00
66% 12°C 0mm 66% 0cm -3.9° 19°C 0mm 0.74kPa 24135m 3.3m/s 3.4m/s
23:00
64% 12°C 0mm 68% 0cm -9.4° 18°C 0mm 0.65kPa 24135m 3m/s 3.1m/s
Fri, Jul 10 Sunrise 04:52 Sunset 21:30
24:00
62% 12°C 0mm 68% 0cm -13° 18°C 0mm 0.64kPa 24135m 3m/s 3.1m/s
01:00
60% 12°C 0mm 69% 0cm -15° 17°C 0mm 0.62kPa 24135m 3.1m/s 3.2m/s
02:00
64% 12°C 0mm 73% 0cm -14° 17°C 0mm 0.52kPa 24135m 3m/s 3.2m/s
03:00
67% 13°C 0mm 77% 0cm -11° 17°C 0mm 0.43kPa 24135m 2.8m/s 2.9m/s
04:00
71% 13°C 0mm 81% 0cm -6.4° 16°C 0mm 0.34kPa 24134m 2.4m/s 2.5m/s
05:00
71% 13°C 0mm 85% 0cm 0.4° 16°C 0mm 0.26kPa 24135m 2.6m/s 2.6m/s
06:00
70% 14°C 0mm 82% 0cm 7.6° 16°C 0mm 0.33kPa 24134m 7.4m/s 2.6m/s
07:00
70% 14°C 0mm 72% 0cm 16° 19°C 0mm 0.6kPa 24135m 6.3m/s 3.2m/s
08:00
70% 14°C 0mm 64% 0cm 25° 21°C 0mm 0.89kPa 24134m 5.7m/s 4.2m/s
09:00
71% 14°C 0mm 57% 0cm 34° 23°C 0mm 1.2kPa 24134m 5.1m/s 4.1m/s
10:00
71% 14°C 0mm 51% 0cm 42° 25°C 0mm 1.5kPa 24135m 4.6m/s 4m/s
11:00
69% 14°C 0mm 46% 0cm 50° 27°C 0mm 1.9kPa 24134m 3.6m/s 3.4m/s
12:00
68% 14°C 0mm 42% 0cm 56° 28°C 0mm 2.2kPa 24134m 3.1m/s 3.1m/s
13:00
66% 13°C 0mm 37% 0cm 59° 29°C 0mm 2.6kPa 24134m 2.3m/s 2.9m/s
14:00
60% 12°C 0mm 32% 0cm 58° 31°C 0mm 3kPa 24135m 1.7m/s 2.5m/s
15:00
54% 11°C 0mm 29% 0cm 53° 31°C 0mm 3.2kPa 24134m 1.6m/s 2.3m/s
16:00
48% 11°C 0mm 27% 0cm 46° 32°C 0mm 3.4kPa 24134m 2m/s 2.8m/s
17:00
43% 10°C 0mm 27% 0cm 37° 32°C 0mm 3.4kPa 24135m 2.1m/s 3m/s
18:00
37% 10°C 0mm 27% 0cm 28° 31°C 0mm 3.3kPa 24135m 1.9m/s 2.7m/s
19:00
32% 11°C 0mm 31% 0cm 19° 30°C 0mm 3kPa 24135m 3.3m/s 3.9m/s
20:00
37% 14°C 0mm 51% 0cm 11° 25°C 0mm 1.6kPa 24135m 4.1m/s 3.6m/s
21:00
41% 15°C 0mm 72% 0cm 3.1° 20°C 0mm 0.65kPa 24135m 4.9m/s 3.3m/s
22:00
46% 13°C 0mm 92% 0cm -4° 14°C 0mm 0.12kPa 24135m 5.7m/s 3m/s
23:00
48% 13°C 0mm 86% 0cm -9.5° 15°C 0mm 0.24kPa 24135m 6.6m/s 3.7m/s
Sat, Jul 11 Sunrise 04:53 Sunset 21:30
24:00
50% 13°C 0mm 80% 0cm -13° 16°C 0mm 0.37kPa 24135m 7.5m/s 4.4m/s
01:00
52% 13°C 0mm 74% 0cm -15° 17°C 0mm 0.52kPa 24135m 8.4m/s 5.1m/s
02:00
58% 13°C 0mm 66% 0cm -14° 19°C 0.04mm 0.76kPa 24135m 8m/s 5.4m/s
03:00
63% 13°C 0mm 58% 0cm -11° 21°C 0.08mm 1.1kPa 24135m 7.5m/s 5.7m/s
04:00
69% 12°C 0mm 50% 0cm -6.5° 23°C 0.13mm 1.4kPa 24135m 7m/s 5.9m/s
05:00
68% 12°C 0mm 46% 0cm 0.29° 25°C 0.15mm 1.7kPa 24135m 6.8m/s 5.9m/s
06:00
68% 12°C 0mm 41% 0cm 7.4° 26°C 0.17mm 2kPa 24135m 6.5m/s 5.9m/s
07:00
67% 11°C 0mm 36% 0cm 16° 28°C 0.19mm 2.3kPa 24135m 6.2m/s 5.8m/s
08:00
67% 11°C 0mm 36% 0cm 25° 28°C 0.13mm 2.4kPa 24135m 6.1m/s 5.9m/s
09:00
67% 11°C 0mm 35% 0cm 34° 28°C 0.06mm 2.5kPa 24135m 6m/s 6m/s
10:00
67% 11°C 0mm 34% 0cm 42° 29°C 0mm 2.5kPa 24135m 5.8m/s 6.1m/s
11:00
65% 12°C 0mm 39% 0cm 50° 27°C 0mm 2.2kPa 24135m 6.4m/s 6.7m/s
12:00
62% 12°C 0mm 44% 0cm 56° 25°C 0mm 1.8kPa 24135m 6.9m/s 7.3m/s
13:00
60% 13°C 0mm 49% 0cm 59° 24°C 0mm 1.5kPa 24135m 7.4m/s 7.9m/s
14:00
56% 13°C 0mm 60% 0cm 58° 22°C 0mm 1kPa 24135m 8.6m/s 7.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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