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Rule Fog Hunter

Fog Hunter Forecast for Jasna Lake, Slovenian Alps

Kranjska Gora, Kranjska Gora, Slovenia

Jasna’s twin lakes reflect forested ridges and the sharp Razor and Prisojnik peaks, with boulders and timber details anchoring the mountain backdrop.

20 matching opportunities in the 14-day forecast.

Hourly forecast scores

Forecast valid from Oct 7, 2026, 11:00 PM UTC (one hour; not an observation)
Dewpoint Spread0.6°C
Visibility2840
Relative Humidity96%
Wind Speed1.2m/s

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Ljubljana
fog weather icon
First upcoming window
Fog
Jasna Lake
Thu, Oct 8 · 01:00–04:00 · 3h window
High confidence
76%
🌫️Fog Probability77.7-100%
Dewpoint Spread: 0.1°C
Visibility: 1480 (Mist/Haze)
Relative Humidity: 99%
Wind Speed: 1.2m/s (calm conditions)
fog weather icon
Dense Fog
Jasna Lake
Fri, Oct 9 · 13:00–17:00
🌫️Fog Probability:75-91.4%
Medium
fog weather icon
Dense Fog at Sunset
Jasna Lake
Fri, Oct 9 · 17:00–18:00
🌫️Fog Probability:100%
Medium
fog weather icon
Dense Fog
Jasna Lake
Sat, Oct 10 · 01:00–05:00
🌫️Fog Probability:82.2-100%
Medium
fog weather icon
Fog at Sunrise
Jasna Lake
Sat, Oct 10 · 07:00–08:00
🌫️Fog Probability:100%
Medium
fog weather icon
Fog Potential
Jasna Lake
Sat, Oct 10 · 08:00–09:00
🌫️Fog Probability:79.7%
Low
fog weather icon
Fog Potential at Dawn
Jasna Lake
Tue, Oct 13 · 06:00–07:00
🌫️Fog Probability:75.8%
Low
+13 more windows in the next 14 days

72-hour requirements breakdown

When available, this detailed table covers only the stated 72-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the full 14-day forecast period, so this table does not explain that entire period. Times shown in Europe/Ljubljana.

Most common blockers

Ranked across the 95-hour forecast horizon, not the full opportunity period.

  • Fog Probability81% of hours
14matching hours in the displayed 72-hour forecastJump to first displayed match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Ljubljana
Fog Probability
≥ 75.0%
Thu, Oct 8
Rule passes. 01:00Fog Probability: 78%. Meets requirement
Rule passes. 02:00Fog Probability: 100%. Meets requirement
Rule passes. 03:00Fog Probability: 100%. Meets requirement
Rule fails. 04:00Fog Probability: 55%. Misses requirement
Rule fails. 05:00Fog Probability: 0%. Misses requirement
Rule fails. 06:00Fog Probability: 0%. Misses requirement
Rule fails. 07:00Fog Probability: 63%. Misses requirement
Rule fails. 08:00Fog Probability: 69%. Misses requirement
Rule fails. 09:00Fog Probability: 28%. Misses requirement
Rule fails. 10:00Fog Probability: 24%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule fails. 13:00Fog Probability: 24%. Misses requirement
Rule fails. 14:00Fog Probability: 0%. Misses requirement
Rule fails. 15:00Fog Probability: 0%. Misses requirement
Rule fails. 16:00Fog Probability: 0%. Misses requirement
Rule fails. 17:00Fog Probability: 69%. Misses requirement
Rule fails. 18:00Fog Probability: 0%. Misses requirement
Rule fails. 19:00Fog Probability: 0%. Misses requirement
Rule fails. 20:00Fog Probability: 0%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Fri, Oct 9
Rule fails. 24:00Fog Probability: 0%. Misses requirement
Rule fails. 01:00Fog Probability: 0%. Misses requirement
Rule fails. 02:00Fog Probability: 0%. Misses requirement
Rule fails. 03:00Fog Probability: 0%. Misses requirement
Rule fails. 04:00Fog Probability: 0%. Misses requirement
Rule fails. 05:00Fog Probability: 0%. Misses requirement
Rule fails. 06:00Fog Probability: 0%. Misses requirement
Rule fails. 07:00Fog Probability: 0%. Misses requirement
Rule fails. 08:00Fog Probability: 0%. Misses requirement
Rule fails. 09:00Fog Probability: 0%. Misses requirement
Rule fails. 10:00Fog Probability: 0%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule passes. 13:00Fog Probability: 91%. Meets requirement
Rule passes. 14:00Fog Probability: 91%. Meets requirement
Rule passes. 15:00Fog Probability: 75%. Meets requirement
Rule passes. 16:00Fog Probability: 76%. Meets requirement
Rule passes. 17:00Fog Probability: 100%. Meets requirement
Rule fails. 18:00Fog Probability: 71%. Misses requirement
Rule fails. 19:00Fog Probability: 58%. Misses requirement
Rule fails. 20:00Fog Probability: 0%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Sat, Oct 10
Rule fails. 24:00Fog Probability: 73%. Misses requirement
Rule passes. 01:00Fog Probability: 82%. Meets requirement
Rule passes. 02:00Fog Probability: 100%. Meets requirement
Rule passes. 03:00Fog Probability: 100%. Meets requirement
Rule passes. 04:00Fog Probability: 100%. Meets requirement
Rule fails. 05:00Fog Probability: 63%. Misses requirement
Rule fails. 06:00Fog Probability: 71%. Misses requirement
Rule passes. 07:00Fog Probability: 100%. Meets requirement
Rule passes. 08:00Fog Probability: 80%. Meets requirement
Rule fails. 09:00Fog Probability: 56%. Misses requirement
Rule fails. 10:00Fog Probability: 69%. Misses requirement
Rule fails. 11:00Fog Probability: 0%. Misses requirement
Rule fails. 12:00Fog Probability: 0%. Misses requirement
Rule fails. 13:00Fog Probability: 0%. Misses requirement
Rule fails. 14:00Fog Probability: 0%. Misses requirement
Rule fails. 15:00Fog Probability: 0%. Misses requirement
Rule fails. 16:00Fog Probability: 0%. Misses requirement
Rule fails. 17:00Fog Probability: 0%. Misses requirement
Rule fails. 18:00Fog Probability: 0%. Misses requirement
Rule fails. 19:00Fog Probability: 55%. Misses requirement
Rule fails. 20:00Fog Probability: 67%. Misses requirement
Rule fails. 21:00Fog Probability: 0%. Misses requirement
Rule fails. 22:00Fog Probability: 0%. Misses requirement
Rule fails. 23:00Fog Probability: 0%. Misses requirement
Sun, Oct 11
Rule fails. 24:00Fog Probability: 37%. Misses requirement
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

Supporting forecast inputs

Additional hourly values for interpreting the forecast and any derived scores. See the separate requirements breakdown for rule logic; missing values are unavailable.

Forecast time (Europe/Ljubljana)Aerosol Optical Depth (550nm)Clear Sky Probability (Ensemble)Dew PointLifted IndexRainfallRelative HumiditySnowfallSolar ElevationTemperatureTotal PrecipitationVapor Pressure DeficitVisibilityWind GustsWind Speed
Thu, Oct 8, 2026Sunrise · Sunset
Night0.140%8.2°C5.4°C0mm96%0cm-49°8.8°C0mm0.05kPa2840m2.6m/s1.3m/s
Night0.120%8.7°C4.9°C0mm99%0cm-47°8.8°C0mm0.01kPa1480m2.3m/s1.2m/s
Night0.10%9.4°C4.6°C0mm98%0cm-41°9.7°C0mm0.02kPa960m2.9m/s1.2m/s
Night0.080%9.8°C4.6°C0.3mm97%0cm-33°10°C0.3mm0.04kPa1880m2.4m/s1.2m/s
Night0.080%11°C3.9°C2.3mm98%0cm-23°11°C2.4mm0.03kPa1540m2.4m/s1m/s
Night0.090%11°C3.6°C4.6mm100%0cm-13°11°C4.6mm0kPa2980m2.6m/s1.3m/s
Night0.080%11°C2.8°C0.6mm99%0cm-2.9°11°C0.6mm0.01kPa1380m3.4m/s1.6m/s
0.080%11°C3.1°C0.1mm99%0cm7.3°11°C0.1mm0.01kPa740m2.4m/s1.2m/s
0.090%12°C1.9°C0.4mm97%0cm17°12°C0.4mm0.04kPa17400m3.3m/s1.6m/s
0.10%12°C1°C0.5mm95%0cm25°13°C0.5mm0.08kPa21720m4.1m/s1.2m/s
0.10%13°C0.3°C5.4mm98%0cm32°13°C5.4mm0.03kPa1040m4m/s1.2m/s
0.10%13°C-0.2°C2.8mm94%0cm36°14°C2.8mm0.1kPa14520m3.6m/s1.6m/s
0.10%14°C-0.6°C0.2mm95%0cm38°15°C0.2mm0.08kPa19960m2.7m/s0.71m/s
0.090%14°C-1°C1.1mm96%0cm35°14°C1.1mm0.06kPa440m4.2m/s2.1m/s
0.081%14°C-0.7°C1.3mm96%0cm30°15°C1.3mm0.07kPa8280m3.7m/s1.7m/s
0.082%14°C-1.2°C0.2mm95%0cm23°15°C0.2mm0.09kPa24060m3.8m/s1.3m/s
0.073%14°C-0.7°C0mm96%0cm14°15°C0mm0.07kPa1320m2.4m/s0.51m/s
0.073%12°C0.1°C0mm79%0cm4.7°16°C0mm0.38kPa37820m2.5m/s0.81m/s
Night0.083%12°C1.6°C0mm94%0cm-5.7°13°C0mm0.09kPa30980m0.8m/s0.2m/s
Night0.083%10°C1.8°C0mm89%0cm-16°12°C0mm0.16kPa30400m0.7m/s0.7m/s
Night0.085%9.7°C1.6°C0mm86%0cm-26°12°C0mm0.2kPa32720m1.6m/s0.2m/s
Night0.098%9°C1.4°C0mm93%0cm-35°10°C0mm0.09kPa33440m0.5m/s0.45m/s
Night0.0910%9°C1.2°C0mm90%0cm-43°11°C0mm0.13kPa26760m2.4m/s1.8m/s
Fri, Oct 9, 2026Sunrise · Sunset
Night0.087%11°C0.9°C0.3mm94%0cm-48°12°C0.3mm0.08kPa19700m3.4m/s1.8m/s
Night0.075%11°C1.5°C0.2mm91%0cm-50°12°C0.2mm0.13kPa33740m3.5m/s1.4m/s
Night0.062%11°C2.7°C0mm92%0cm-47°12°C0mm0.11kPa33560m3.2m/s1.6m/s
Night0.061%9.9°C3.9°C0mm89%0cm-41°12°C0mm0.15kPa37400m2.7m/s1m/s
Night0.061%9.1°C4.9°C0mm85%0cm-33°12°C0mm0.2kPa35940m1.9m/s0.92m/s
Night0.050%9.1°C5.1°C0mm88%0cm-24°11°C0mm0.16kPa33420m2.1m/s1.2m/s
Night0.040%9°C5.4°C0mm88%0cm-13°11°C0mm0.16kPa30740m2.5m/s1.1m/s
Night0.040%9.4°C5.4°C0.5mm88%0cm-3.1°11°C0.5mm0.16kPa32380m2m/s0.5m/s
0.040%8.8°C5.6°C1mm87%0cm7°11°C1mm0.17kPa8000m1.5m/s0.5m/s
0.040%9.5°C5.2°C1.4mm94%0cm16°10°C1.4mm0.08kPa36100m1.8m/s0.92m/s
0.040%9.3°C5.1°C0.1mm87%0cm25°11°C0mm0.18kPa36900m2.5m/s1.2m/s
0.040%9.4°C5.6°C0mm90%0cm32°11°C0mm0.13kPa29100m3.4m/s1.7m/s
0.040%9°C6.1°C0mm86%0cm36°11°C0mm0.19kPa33820m4.6m/s2.1m/s
0.040%10°C6.6°C0mm97%0cm37°11°C0mm0.04kPa820m6.7m/s3.4m/s
0.040%10°C7.2°C0mm98%0cm35°10°C0mm0.03kPa960m7.4m/s3.5m/s
Unavailable0%9.6°C7.2°C0mm99%0cm30°9.7°C0mm0.01kPa240m8.6m/s4.3m/s
Unavailable0%9.2°C7.1°C0mm100%0cm23°9.2°C0mm0kPa100m8.7m/s3.9m/s
Unavailable0%8.8°C7.6°C0mm99%0cm14°8.9°C0mm0.01kPa220m7.5m/s3.1m/s
Unavailable0%8.8°C7.9°C0mm97%0cm4.4°9.3°C0mm0.04kPa7470m5.5m/s2.4m/s
NightUnavailable1%8.9°C8.5°C0mm97%0cm-6°9.4°C0mm0.04kPa13310m4.3m/s1.6m/s
NightUnavailable1%8.5°C8.5°C0mm94%0cm-16°9.4°C0mm0.07kPa17775m2.5m/s0.7m/s
NightUnavailable2%7.9°C8.4°C0mm92%0cm-26°9.1°C0mm0.09kPa21360m0.7m/s0.51m/s
NightUnavailable4%7.1°C8.3°C0mm90%0cm-36°8.6°C0mm0.11kPa22220m1.1m/s0.91m/s
NightUnavailable5%6.7°C8.1°C0mm92%0cm-43°7.9°C0mm0.09kPa24420m1.1m/s0.85m/s
Sat, Oct 10, 2026Sunrise · Sunset
NightUnavailable5%6.8°C8.2°C0mm98%0cm-49°7.1°C0mm0.02kPa18400m1.8m/s1.2m/s
NightUnavailable4%6.8°C8.6°C0mm100%0cm-50°6.8°C0mm0kPa11340m2.8m/s1.3m/s
NightUnavailable4%6.8°C8.6°C0mm99%0cm-47°6.9°C0mm0.01kPa1420m3.3m/s1.5m/s
NightUnavailable7%6.7°C8.6°C0mm99%0cm-42°6.8°C0mm0.01kPa1620m3.3m/s1.3m/s
NightUnavailable11%6.7°C8.9°C0mm99%0cm-33°6.8°C0mm0.01kPa80m3.2m/s1.5m/s
NightUnavailable14%6.7°C9.1°C0mm97%0cm-24°7.1°C0mm0.03kPa11700m3.2m/s1.1m/s
NightUnavailable14%6.6°C9.6°C0mm98%0cm-14°6.9°C0mm0.02kPa12060m2.1m/s1.1m/s
NightUnavailable14%6.7°C9.9°C0mm99%0cm-3.3°6.8°C0mm0.01kPa900m2.5m/s1.2m/s
Unavailable14%7.4°C9.8°C0mm98%0cm6.8°7.7°C0mm0.02kPa10700m2.5m/s0.71m/s
Unavailable15%8.2°C8.9°C0mm97%0cm16°8.6°C0mm0.03kPa10220m1.6m/s0.22m/s
Unavailable16%9.2°C7.4°C0mm97%0cm25°9.7°C0mm0.04kPa160m1.9m/s0.54m/s
Unavailable17%9.6°C5.6°C0mm91%0cm31°11°C0mm0.12kPa2520m2m/s0.3m/s
Unavailable15%11°C4.4°C0mm86%0cm36°13°C0mm0.21kPa24700m3.1m/s0.95m/s
Unavailable14%11°C3.8°C0mm82%0cm37°14°C0mm0.29kPa28680m3.8m/s1.3m/s
Unavailable12%11°C3.1°C0.2mm79%0cm35°15°C0mm0.35kPa29100m4.7m/s1.7m/s
Unavailable10%11°C2.6°C0mm77%0cm30°15°C0mm0.39kPa30140m4.6m/s1.7m/s
Unavailable9%11°C2.3°C0mm79%0cm22°14°C0mm0.34kPa24120m4.5m/s1.5m/s
Unavailable7%12°C2°C0.1mm86%0cm14°14°C0mm0.22kPa25060m4.3m/s1.7m/s
Unavailable6%11°C2.3°C0.2mm92%0cm4°13°C0mm0.12kPa22280m4.2m/s1.4m/s
NightUnavailable5%11°C3.2°C0.1mm96%0cm-6.3°11°C0mm0.05kPa13640m3.1m/s0.81m/s
NightUnavailable4%10°C2.8°C0.1mm95%0cm-17°11°C0mm0.07kPa6440m1.5m/s0.22m/s
NightUnavailable4%10°C3.2°C0.2mm93%0cm-27°11°C0.1mm0.09kPa4540m1.3m/s0.36m/s
NightUnavailable4%10°C4.4°C0.4mm93%0cm-36°11°C0.3mm0.09kPa4080m2.1m/s0.67m/s
NightUnavailable4%10°C4.8°C0.5mm95%0cm-44°11°C0.5mm0.06kPa2580m3.1m/s0.89m/s
Sun, Oct 11, 2026Sunrise · Sunset
NightUnavailable5%10°C5.1°C0.8mm96%0cm-49°11°C0.6mm0.05kPa3080m3.1m/s0.72m/s

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Slovenian Alps. The requirements and hourly values above show how those signals apply at Jasna Lake.

Explore Fog Hunter conditions across Slovenian Alps →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Jasna Lake during the last 365 days.

Last 30 days
4
recorded matching windows · 90% average confidence
Last 90 days
13
recorded matching windows · 69% average confidence
Last 365 days
23
recorded matching windows · 76% average confidence
Most frequent recorded start hour

03:00 local time, shared by 7 of 22 matches recorded in the last 365 days.

Most represented month

May, with 7 of 22 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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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.

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