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Rule Fog Hunter

Fog Hunter Forecast for Pen-y-ghent, Yorkshire Dales

Horton in Ribblesdale, England, United Kingdom

A steep-sided, flat-topped summit rises above Ribblesdale, with exposed gritstone, stone walls and views to the other Three Peaks.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.6°C
Visibility24135 (Clear)
Relative Humidity90%
Wind Speed0.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (85-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Yorkshire Dales. The requirements and hourly values below show how those signals apply at Pen-y-ghent.

Explore Fog Hunter conditions across Yorkshire Dales →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Pen-y-ghent during the last 365 days.

Last 30 days
19
recorded matching windows · 68% average confidence
Last 90 days
41
recorded matching windows · 62% average confidence
Last 365 days
52
recorded matching windows · 63% average confidence
Most frequent recorded start hour

04:00 local time, shared by 7 of 52 matches recorded in the last 365 days.

Most represented month

July, with 23 of 52 matches recorded in the last 365 days.

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
Europe/London
Fog Probability
≥ 75.0%
Sat, Aug 22
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, Aug 23
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Aug 24
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:0033%
Tue, Aug 25
24:0036%
01:0033%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
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
Sat, Aug 22 Sunrise 05:59 Sunset 20:23
21:00 ☾
86% 7.9°C 0mm 90% 0cm -5.6° 9.5°C 0.06mm 0.12kPa 24135m 0.7m/s 0.73m/s
22:00 ☾
96% 7.5°C 0mm 91% 0cm -13° 8.9°C 0.06mm 0.1kPa 24135m 0.24m/s 0.23m/s
23:00 ☾
96% 7°C 0mm 92% 0cm -19° 8.4°C 0.06mm 0.09kPa 24134m 0.21m/s 0.17m/s
Sun, Aug 23 Sunrise 05:59 Sunset 20:23
24:00 ☾
97% 6.7°C 0mm 92% 0cm -23° 8°C 0.06mm 0.09kPa 24134m 0.23m/s 0.26m/s
01:00 ☾
97% 6.4°C 0mm 92% 0cm -24° 7.6°C 0.06mm 0.09kPa 24134m 0.32m/s 0.28m/s
02:00 ☾
90% 6.1°C 0mm 91% 0cm -24° 7.5°C 0mm 0.09kPa 24134m 0.31m/s 0.25m/s
03:00 ☾
83% 5.9°C 0mm 91% 0cm -20° 7.3°C 0mm 0.09kPa 24134m 0.32m/s 0.28m/s
04:00 ☾
76% 5.7°C 0mm 91% 0cm -15° 7.1°C 0mm 0.09kPa 24134m 0.51m/s 0.5m/s
05:00 ☾
78% 5.4°C 0mm 90% 0cm -8.7° 7°C 0mm 0.1kPa 24134m 0.62m/s 0.59m/s
06:00 ☾
80% 5.2°C 0mm 89% 0cm -0.6° 6.8°C 0mm 0.1kPa 24135m 0.61m/s 0.55m/s
07:00
82% 6°C 0mm 88% 0cm 7.6° 7.9°C 0mm 0.12kPa 24135m 0.52m/s 0.56m/s
08:00
85% 7.6°C 0mm 83% 0cm 16° 10°C 0mm 0.21kPa 24135m 0.6m/s 0.58m/s
09:00
87% 8.2°C 0mm 77% 0cm 25° 12°C 0mm 0.32kPa 24134m 0.83m/s 0.85m/s
10:00
90% 8.3°C 0mm 70% 0cm 33° 14°C 0mm 0.48kPa 24134m 0.72m/s 0.6m/s
11:00
84% 7.7°C 0mm 61% 0cm 40° 15°C 0mm 0.67kPa 24134m 0.92m/s 0.31m/s
12:00
79% 7.4°C 0mm 55% 0cm 45° 16°C 0mm 0.83kPa 24135m 1.2m/s 0.54m/s
13:00
73% 7.1°C 0mm 52% 0cm 47° 17°C 0mm 0.95kPa 24135m 1.3m/s 0.71m/s
14:00
64% 7.1°C 0mm 50% 0cm 46° 18°C 0mm 1kPa 24135m 1.2m/s 0.78m/s
15:00
55% 7°C 0mm 48% 0cm 42° 18°C 0mm 1.1kPa 24134m 1.1m/s 0.66m/s
16:00
46% 6.7°C 0mm 47% 0cm 36° 18°C 0mm 1.1kPa 24135m 1.2m/s 0.82m/s
17:00
49% 6.7°C 0mm 48% 0cm 28° 18°C 0mm 1.1kPa 24135m 1.4m/s 0.76m/s
18:00
52% 7.5°C 0mm 52% 0cm 20° 18°C 0mm 0.97kPa 24134m 1.6m/s 0.6m/s
19:00
55% 9.1°C 0mm 63% 0cm 11° 16°C 0mm 0.67kPa 24135m 1m/s 0.8m/s
20:00
63% 7.1°C 0mm 65% 0cm 2.4° 14°C 0mm 0.55kPa 24134m 2.9m/s 2m/s
21:00 ☾
70% 5.8°C 0mm 66% 0cm -5.9° 12°C 0mm 0.48kPa 24134m 7.7m/s 3.3m/s
22:00 ☾
78% 5.6°C 0mm 76% 0cm -13° 9.7°C 0mm 0.29kPa 24134m 2m/s 2.2m/s
23:00 ☾
77% 5.9°C 0mm 80% 0cm -19° 9.2°C 0mm 0.23kPa 24134m 1.8m/s 2m/s
Mon, Aug 24 Sunrise 06:01 Sunset 20:21
24:00 ☾
75% 5.9°C 0mm 82% 0cm -23° 8.8°C 0mm 0.21kPa 24134m 1.7m/s 2m/s
01:00 ☾
74% 5.7°C 0mm 82% 0cm -25° 8.6°C 0mm 0.2kPa 24134m 1.8m/s 1.9m/s
02:00 ☾
72% 5.5°C 0mm 83% 0cm -24° 8.3°C 0mm 0.19kPa 24134m 1.7m/s 1.9m/s
03:00 ☾
69% 5.3°C 0mm 83% 0cm -21° 8°C 0mm 0.18kPa 24134m 1.7m/s 1.9m/s
04:00 ☾
67% 5.3°C 0mm 84% 0cm -16° 7.8°C 0mm 0.16kPa 24135m 1.6m/s 1.8m/s
05:00 ☾
66% 5.3°C 0mm 86% 0cm -8.9° 7.6°C 0mm 0.15kPa 24134m 1.6m/s 1.8m/s
06:00 ☾
65% 5.4°C 0mm 87% 0cm -0.92° 7.4°C 0mm 0.14kPa 24134m 1.6m/s 1.8m/s
07:00
64% 6.4°C 0mm 86% 0cm 7.4° 8.6°C 0mm 0.16kPa 24134m 1.5m/s 1.7m/s
08:00
64% 7.9°C 0mm 80% 0cm 16° 11°C 0mm 0.26kPa 24134m 2m/s 1.7m/s
09:00
64% 8.7°C 0mm 74% 0cm 25° 13°C 0mm 0.4kPa 24135m 4.5m/s 2.1m/s
10:00
64% 8.7°C 0mm 67% 0cm 33° 15°C 0mm 0.56kPa 24135m 4.5m/s 2.9m/s
11:00
63% 8.2°C 0mm 60% 0cm 40° 16°C 0mm 0.71kPa 24134m 5m/s 4.4m/s
12:00
62% 7.6°C 0mm 55% 0cm 45° 17°C 0mm 0.84kPa 24134m 5.4m/s 4.9m/s
13:00
61% 7.2°C 0mm 52% 0cm 47° 17°C 0mm 0.95kPa 24134m 5.7m/s 5.1m/s
14:00
60% 7°C 0mm 49% 0cm 46° 18°C 0mm 1kPa 24134m 6.1m/s 5.3m/s
15:00
58% 7.2°C 0mm 49% 0cm 42° 18°C 0mm 1.1kPa 24135m 6.3m/s 5.4m/s
16:00
57% 7.4°C 0mm 50% 0cm 36° 18°C 0mm 1.1kPa 24134m 6.7m/s 5.7m/s
17:00
49% 8.4°C 0mm 54% 0cm 28° 18°C 0mm 0.94kPa 24135m 6.4m/s 5.8m/s
18:00
42% 8.9°C 0mm 60% 0cm 19° 17°C 0mm 0.75kPa 24134m 7m/s 5.9m/s
19:00
34% 8.5°C 0mm 66% 0cm 11° 15°C 0mm 0.57kPa 24135m 9.1m/s 6m/s
20:00
32% 8.4°C 0mm 73% 0cm 2.1° 13°C 0mm 0.41kPa 24134m 10m/s 5.8m/s
21:00 ☾
29% 8.9°C 0mm 84% 0cm -6.2° 11°C 0mm 0.21kPa 24134m 11m/s 5m/s
22:00 ☾
27% 9.6°C 0mm 93% 0cm -13° 11°C 0mm 0.09kPa 24134m 11m/s 5m/s
23:00 ☾
26% 9.9°C 0mm 96% 0cm -19° 10°C 0mm 0.05kPa 24135m 11m/s 4.7m/s
Tue, Aug 25 Sunrise 06:02 Sunset 20:18
24:00 ☾
24% 10°C 0mm 96% 0cm -23° 11°C 0mm 0.05kPa 8495m 11m/s 5.3m/s
01:00 ☾
23% 11°C 0mm 95% 0cm -25° 11°C 0mm 0.07kPa 24134m 11m/s 5.1m/s
02:00 ☾
17% 11°C 0mm 86% 0cm -24° 13°C 0mm 0.21kPa 24134m 11m/s 6m/s
03:00 ☾
11% 11°C 0mm 77% 0cm -21° 14°C 0mm 0.37kPa 24134m 10m/s 6.9m/s
04:00 ☾
5% 10°C 0mm 69% 0cm -16° 16°C 0mm 0.57kPa 24135m 10m/s 7.8m/s
05:00 ☾
4% 10°C 0mm 63% 0cm -9.2° 17°C 0mm 0.73kPa 24135m 9.7m/s 7.6m/s
06:00 ☾
2% 10°C 0mm 57% 0cm -1.2° 19°C 0mm 0.92kPa 24135m 9.1m/s 7.4m/s
07:00
1% 10°C 0mm 52% 0cm 7.2° 20°C 0mm 1.1kPa 24135m 8.5m/s 7.2m/s
08:00
2% 9.9°C 0mm 50% 0cm 16° 21°C 0mm 1.2kPa 24135m 8.6m/s 7.4m/s
09:00
2% 9.8°C 0mm 49% 0cm 24° 21°C 0mm 1.3kPa 24135m 8.6m/s 7.5m/s
10:00
3% 9.7°C 0mm 48% 0cm 32° 21°C 0mm 1.3kPa 24135m 8.6m/s 7.7m/s
11:00
4% 10°C 0mm 53% 0cm 39° 20°C 0mm 1.1kPa 24135m 9.3m/s 7.6m/s
12:00
5% 10°C 0mm 57% 0cm 44° 19°C 0mm 0.92kPa 24135m 10m/s 7.5m/s
13:00
6% 10°C 0mm 62% 0cm 46° 18°C 0mm 0.76kPa 24135m 11m/s 7.4m/s
14:00
12% 11°C 0mm 70% 0cm 45° 17°C 0mm 0.56kPa 24135m 12m/s 7.5m/s
15:00
19% 12°C 0mm 78% 0cm 41° 16°C 0mm 0.39kPa 24135m 13m/s 7.7m/s
16:00
25% 12°C 0mm 86% 0cm 35° 15°C 0mm 0.24kPa 24135m 14m/s 7.8m/s
17:00
22% 12°C 0mm 86% 0cm 27° 14°C 0mm 0.23kPa 24135m 13m/s 6.6m/s
18:00
19% 12°C 0mm 86% 0cm 19° 14°C 0mm 0.23kPa 24135m 13m/s 5.5m/s
19:00
16% 11°C 0mm 86% 0cm 10° 14°C 0mm 0.22kPa 24135m 12m/s 4.3m/s
20:00
13% 12°C 0.007mm 87% 0cm 1.9° 14°C 0mm 0.21kPa 24135m 12m/s 4.2m/s
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.

How opportunities work → Weather data sources →
Forecast generated

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