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Rule Fog Hunter

Fog Hunter Forecast for Kallur Lighthouse (Kalsoy), Faroe Islands

Klaksvík, Faroe Islands

Kallur Lighthouse stands on Kalsoy's narrow northern ridge, aligning green slopes, sheer cliffs, and the islands of Kunoy and Viðoy beyond.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread1.3°C
Visibility24135 (Clear)
Relative Humidity92%
Wind Speed8.8m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Faroe

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (72-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Faroe Islands. The requirements and hourly values below show how those signals apply at Kallur Lighthouse (Kalsoy).

Explore Fog Hunter conditions across Faroe Islands →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Kallur Lighthouse (Kalsoy) during the last 365 days.

Last 30 days
5
recorded matching windows · 70% average confidence
Last 90 days
25
recorded matching windows · 59% average confidence
Last 365 days
25
recorded matching windows · 59% average confidence
Most represented month

May, with 11 of 25 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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72-hour requirements breakdown

When available, the detailed table below covers only the stated 72-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 72 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Faroe
Fog Probability
≥ 75.0%
Tue, Aug 18
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%
Wed, Aug 19
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%
Thu, Aug 20
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%
Fri, Aug 21
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
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
Atlantic/Faroe
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
Tue, Aug 18 Sunrise 05:37 Sunset 21:22
09:00
9% 8.5°C 0mm 92% 0cm 22° 9.8°C 0mm 0.1kPa 24135m 11m/s 8.8m/s
10:00
10% 8.6°C 0mm 92% 0cm 28° 9.9°C 0.06mm 0.1kPa 24135m 12m/s 9.2m/s
11:00
9% 8.6°C 0mm 90% 0cm 34° 10°C 0.13mm 0.12kPa 24134m 13m/s 9.6m/s
12:00
8% 8.3°C 0mm 88% 0cm 38° 10°C 0.13mm 0.15kPa 24134m 13m/s 9.7m/s
13:00
7% 7.7°C 0mm 84% 0cm 40° 10°C 0.13mm 0.2kPa 24135m 13m/s 9.6m/s
14:00
7% 7.5°C 0mm 83% 0cm 40° 10°C 0mm 0.21kPa 24134m 13m/s 9.8m/s
15:00
8% 7.7°C 0mm 84% 0cm 38° 10°C 0mm 0.2kPa 24135m 12m/s 10m/s
16:00
8% 7.8°C 0mm 86% 0cm 34° 10°C 0mm 0.18kPa 24135m 13m/s 11m/s
17:00
6% 7.9°C 0mm 86% 0cm 28° 10°C 0.06mm 0.17kPa 24134m 13m/s 10m/s
18:00
4% 7.7°C 0mm 86% 0cm 22° 9.9°C 0.06mm 0.16kPa 24135m 12m/s 10m/s
19:00
2% 7.2°C 0mm 84% 0cm 15° 9.9°C 0.06mm 0.2kPa 24135m 12m/s 9.9m/s
20:00
2% 7.2°C 0mm 83% 0cm 8.2° 10°C 0mm 0.21kPa 24134m 12m/s 10m/s
21:00
1% 7°C 0mm 82% 0cm 1.8° 10°C 0.06mm 0.22kPa 24134m 13m/s 10m/s
22:00 ☾
1% 7.2°C 0mm 83% 0cm -4.3° 10°C 0.06mm 0.21kPa 24134m 12m/s 10m/s
23:00 ☾
1% 7°C 0mm 82% 0cm -9.2° 9.9°C 0.13mm 0.22kPa 24135m 12m/s 9.2m/s
Wed, Aug 19 Sunrise 05:37 Sunset 21:22
24:00 ☾
0% 6.6°C 0mm 80% 0cm -13° 9.9°C 0.19mm 0.24kPa 24134m 11m/s 9.2m/s
01:00 ☾
0% 6.5°C 0mm 80% 0cm -15° 9.8°C 0.19mm 0.25kPa 24135m 12m/s 10m/s
02:00 ☾
0% 6.4°C 0mm 80% 0cm -15° 9.7°C 0.06mm 0.25kPa 24135m 11m/s 9.5m/s
03:00 ☾
0% 6.1°C 0mm 78% 0cm -13° 9.7°C 0.06mm 0.26kPa 24134m 11m/s 9.3m/s
04:00 ☾
0% 5.8°C 0mm 77% 0cm -9.4° 9.7°C 0.06mm 0.28kPa 24135m 11m/s 9.3m/s
05:00 ☾
0% 5.9°C 0mm 77% 0cm -4.6° 9.7°C 0.13mm 0.28kPa 24134m 11m/s 9.7m/s
06:00
0% 5.6°C 0.01mm 76% 0cm 1.5° 9.7°C 0.13mm 0.29kPa 24135m 11m/s 9.4m/s
07:00
0% 5.7°C 0mm 77% 0cm 7.9° 9.5°C 0.19mm 0.27kPa 24134m 11m/s 9.8m/s
08:00
0% 5.7°C 0.01mm 77% 0cm 15° 9.5°C 0.06mm 0.27kPa 24134m 11m/s 9.4m/s
09:00
0% 5.4°C 0mm 75% 0cm 22° 9.6°C 0.06mm 0.3kPa 24134m 11m/s 9.4m/s
10:00
0% 5.5°C 0mm 75% 0cm 28° 9.6°C 0.13mm 0.29kPa 24135m 11m/s 9.2m/s
11:00
0% 5.3°C 0mm 75% 0cm 34° 9.5°C 0.19mm 0.3kPa 24134m 11m/s 9.3m/s
12:00
0% 5.4°C 0mm 75% 0cm 38° 9.6°C 0.19mm 0.3kPa 24134m 11m/s 9.4m/s
13:00
0% 5.4°C 0mm 75% 0cm 40° 9.6°C 0.25mm 0.3kPa 24135m 11m/s 9.4m/s
14:00
0% 5.6°C 0mm 76% 0cm 40° 9.6°C 0mm 0.29kPa 24134m 11m/s 9.3m/s
15:00
1% 5.6°C 0mm 76% 0cm 38° 9.6°C 0.06mm 0.28kPa 24135m 11m/s 9.4m/s
16:00
1% 5.7°C 0mm 76% 0cm 34° 9.6°C 0.06mm 0.28kPa 24134m 11m/s 9.3m/s
17:00
1% 5.6°C 0mm 77% 0cm 28° 9.5°C 0.13mm 0.27kPa 24134m 11m/s 9.1m/s
18:00
0% 5.8°C 0mm 78% 0cm 22° 9.4°C 0.13mm 0.26kPa 24135m 11m/s 8.7m/s
19:00
0% 5.9°C 0.01mm 79% 0cm 15° 9.4°C 0.19mm 0.25kPa 24134m 11m/s 8.7m/s
20:00
0% 6°C 0.01mm 79% 0cm 7.9° 9.4°C 0.06mm 0.25kPa 24135m 11m/s 9.1m/s
21:00
0% 6°C 0mm 79% 0cm 1.5° 9.5°C 0.06mm 0.25kPa 24135m 11m/s 9.1m/s
22:00 ☾
0% 5.9°C 0mm 79% 0cm -4.6° 9.4°C 0.13mm 0.24kPa 24134m 11m/s 8.9m/s
23:00 ☾
0% 5.9°C 0.02mm 80% 0cm -9.5° 9.2°C 0.19mm 0.24kPa 24135m 10m/s 8.6m/s
Thu, Aug 20 Sunrise 05:40 Sunset 21:19
24:00 ☾
0% 5.9°C 0.02mm 80% 0cm -13° 9.2°C 0.19mm 0.23kPa 24134m 10m/s 8.6m/s
01:00 ☾
0% 6°C 0.02mm 81% 0cm -15° 9.1°C 0.31mm 0.22kPa 24135m 10m/s 8.6m/s
02:00 ☾
0% 6.3°C 0.04mm 83% 0cm -15° 9.1°C 0.13mm 0.19kPa 24135m 10m/s 8.7m/s
03:00 ☾
0% 6.2°C 0.04mm 82% 0cm -13° 9°C 0.19mm 0.2kPa 24135m 10m/s 8.7m/s
04:00 ☾
0% 5.7°C 0.03mm 80% 0cm -9.7° 9°C 0.31mm 0.23kPa 24134m 9.7m/s 8.6m/s
05:00 ☾
0% 5.4°C 0.01mm 79% 0cm -4.9° 9°C 0.38mm 0.24kPa 24134m 9.6m/s 8.9m/s
06:00
0% 5.2°C 0mm 77% 0cm 1.3° 8.9°C 0.44mm 0.26kPa 24135m 9.4m/s 8.9m/s
07:00
0% 5.1°C 0mm 77% 0cm 7.6° 8.9°C 0.44mm 0.26kPa 24135m 9.3m/s 9.2m/s
08:00
1% 5.5°C 0.01mm 80% 0cm 14° 8.8°C 0.06mm 0.23kPa 24134m 9.7m/s 9.2m/s
09:00
1% 5.5°C 0.01mm 80% 0cm 21° 8.7°C 0.13mm 0.22kPa 24134m 9.6m/s 8.9m/s
10:00
2% 5.4°C 0.01mm 79% 0cm 28° 8.7°C 0.13mm 0.23kPa 24135m 9.2m/s 8.6m/s
11:00
2% 5.2°C 0mm 78% 0cm 33° 8.8°C 0.19mm 0.25kPa 24135m 8.7m/s 8.3m/s
12:00
2% 5.1°C 0mm 78% 0cm 37° 8.7°C 0.19mm 0.25kPa 24135m 8.5m/s 8.2m/s
13:00
2% 4.9°C 0mm 77% 0cm 40° 8.8°C 0.25mm 0.27kPa 24135m 8m/s 8.1m/s
14:00
13% 5.4°C 0mm 77% 0cm 40° 9.2°C 0.17mm 0.26kPa 24135m 7.9m/s 7.6m/s
15:00
25% 5.9°C 0mm 78% 0cm 37° 9.5°C 0.08mm 0.26kPa 24135m 7.8m/s 7.1m/s
16:00
36% 6.4°C 0mm 79% 0cm 33° 9.9°C 0mm 0.26kPa 24135m 7.7m/s 6.6m/s
17:00
35% 6.6°C 0mm 80% 0cm 28° 9.9°C 0mm 0.24kPa 24135m 7.7m/s 6.5m/s
18:00
35% 6.8°C 0mm 81% 0cm 21° 9.9°C 0mm 0.23kPa 24135m 7.7m/s 6.3m/s
19:00
34% 7°C 0mm 82% 0cm 14° 9.9°C 0mm 0.22kPa 24135m 7.7m/s 6.2m/s
20:00
38% 7.2°C 0mm 83% 0cm 7.6° 9.9°C 0mm 0.2kPa 24135m 8.3m/s 6.4m/s
21:00
41% 7.4°C 0mm 84% 0cm 1.3° 10°C 0mm 0.19kPa 24135m 9m/s 6.7m/s
22:00 ☾
45% 7.6°C 0mm 85% 0cm -5° 10°C 0mm 0.18kPa 24135m 9.6m/s 6.9m/s
23:00 ☾
46% 7.7°C 0mm 85% 0cm -9.9° 10°C 0mm 0.18kPa 24135m 9.2m/s 6.5m/s
Fri, Aug 21 Sunrise 05:43 Sunset 21:16
24:00 ☾
47% 7.8°C 0mm 85% 0cm -13° 10°C 0mm 0.18kPa 24135m 8.8m/s 6.1m/s
01:00 ☾
48% 7.8°C 0mm 85% 0cm -15° 10°C 0mm 0.18kPa 24135m 8.4m/s 5.7m/s
02:00 ☾
45% 7.8°C 0mm 85% 0cm -15° 10°C 0mm 0.19kPa 24135m 8.3m/s 5.6m/s
03:00 ☾
41% 7.9°C 0mm 85% 0cm -13° 10°C 0mm 0.19kPa 24135m 8.1m/s 5.4m/s
04:00 ☾
38% 7.9°C 0mm 85% 0cm -10° 10°C 0mm 0.19kPa 24135m 8m/s 5.3m/s
05:00 ☾
38% 7.8°C 0mm 84% 0cm -5.1° 10°C 0mm 0.21kPa 24135m 8.1m/s 5.5m/s
06:00
39% 7.7°C 0mm 82% 0cm 1.1° 11°C 0mm 0.23kPa 24135m 8.3m/s 5.7m/s
07:00
39% 7.7°C 0mm 81% 0cm 7.3° 11°C 0mm 0.24kPa 24135m 8.5m/s 5.9m/s
08:00
38% 7.8°C 0mm 82% 0cm 14° 11°C 0mm 0.23kPa 24135m 8.3m/s 5.8m/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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