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Rule Fog Hunter

Fog Hunter Forecast for Grundlsee, Salzkammergut

Grundlsee, Styria, Austria

Grundlsee's long shoreline supplies broad water foregrounds, with wooded slopes and the Totes Gebirge forming receding mountain layers.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread2.7°C
Visibility24134 (Clear)
Relative Humidity84%
Wind Speed2.5m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Vienna
fog weather icon
Next opportunity
Misty Conditions
Grundlsee
Thu, Sep 10 · 03:00–06:00 · 3h window
Low confidence
33%
🌫️Fog Probability77.1-88.6%
Dewpoint Spread: 0.3°C
Visibility: 3617 (Mist/Haze)
Relative Humidity: 98%
Wind Speed: 0.7m/s (calm conditions)

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Salzkammergut. The requirements and hourly values below show how those signals apply at Grundlsee.

Explore Fog Hunter conditions across Salzkammergut →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
7
recorded matching windows · 69% average confidence
Last 365 days
17
recorded matching windows · 80% average confidence
Most frequent recorded start hour

04:00 local time, shared by 4 of 17 matches recorded in the last 365 days.

Most represented month

May, with 8 of 17 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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95-hour requirements breakdown

When available, the detailed table below covers only the stated 95-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
3matching hours in the next 95 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Vienna
Fog Probability
≥ 75.0%
Sun, Sep 6
23:000%
Mon, Sep 7
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%
Tue, Sep 8
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%
Wed, Sep 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%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0073%
22:0041%
23:0039%
Thu, Sep 10
24:0039%
01:0041%
02:0043%
03:0077%
04:0077%
05:0089%
06:0056%
07:0066%
08:0068%
09:0043%
10:0064%
11:0057%
12:0057%
13:0057%
14:0057%
15:0057%
16:0057%
17:0062%
18:0071%
19:0071%
20:0071%
21:0055%
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/Vienna
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, Sep 8 Sunrise 06:31 Sunset 19:33
24:00 ☾
0% 9.9°C 0mm 84% 0cm -35° 13°C 0.25mm 0.23kPa 24134m 2.3m/s 2.5m/s
01:00 ☾
0% 9.4°C 0mm 82% 0cm -37° 12°C 0.25mm 0.26kPa 24135m 2.1m/s 2.5m/s
02:00 ☾
0% 9°C 0mm 81% 0cm -35° 12°C 0.25mm 0.27kPa 24135m 2m/s 2.3m/s
03:00 ☾
19% 8.9°C 0mm 80% 0cm -31° 12°C 0mm 0.28kPa 24135m 1.9m/s 2.2m/s
04:00 ☾
38% 8.5°C 0mm 79% 0cm -24° 12°C 0mm 0.29kPa 24135m 1.9m/s 2.2m/s
05:00 ☾
57% 8.1°C 0mm 78% 0cm -16° 12°C 0mm 0.31kPa 24135m 1.8m/s 2m/s
06:00 ☾
63% 7.8°C 0mm 76% 0cm -6.1° 12°C 0mm 0.33kPa 24135m 1.8m/s 2m/s
07:00
70% 7.7°C 0mm 73% 0cm 4° 12°C 0mm 0.38kPa 24134m 1.7m/s 1.9m/s
08:00
76% 9.5°C 0mm 68% 0cm 14° 15°C 0mm 0.56kPa 24134m 1.5m/s 1.7m/s
09:00
84% 9.4°C 0mm 55% 0cm 24° 19°C 0mm 0.95kPa 24135m 1.7m/s 1.3m/s
10:00
91% 9.2°C 0mm 46% 0cm 33° 21°C 0mm 1.4kPa 24135m 1.4m/s 0.84m/s
11:00
99% 8.6°C 0mm 40% 0cm 41° 23°C 0mm 1.7kPa 24135m 1m/s 0.32m/s
12:00
97% 7.6°C 0mm 34% 0cm 46° 24°C 0mm 2kPa 24135m 2m/s 0.52m/s
13:00
94% 6.9°C 0mm 31% 0cm 48° 25°C 0mm 2.2kPa 24135m 2.6m/s 0.69m/s
14:00
92% 6.7°C 0mm 30% 0cm 46° 25°C 0mm 2.3kPa 24135m 2.7m/s 1.1m/s
15:00
68% 6.6°C 0mm 30% 0cm 41° 25°C 0mm 2.3kPa 24134m 3.1m/s 1.5m/s
16:00
44% 7.2°C 0mm 32% 0cm 33° 25°C 0mm 2.1kPa 24134m 2.6m/s 1.7m/s
17:00
20% 10°C 0mm 42% 0cm 24° 24°C 0mm 1.7kPa 24135m 2.9m/s 2.1m/s
18:00
32% 12°C 0mm 54% 0cm 15° 21°C 0mm 1.2kPa 24135m 2.1m/s 2.1m/s
19:00
45% 11°C 0mm 61% 0cm 4.6° 18°C 0mm 0.81kPa 24135m 2.3m/s 2.6m/s
20:00 ☾
57% 9.5°C 0mm 67% 0cm -5.5° 16°C 0mm 0.58kPa 24134m 2.3m/s 2.7m/s
21:00 ☾
70% 9.5°C 0mm 72% 0cm -15° 15°C 0mm 0.46kPa 24134m 2.4m/s 2.7m/s
22:00 ☾
82% 9.7°C 0mm 76% 0cm -24° 14°C 0mm 0.38kPa 24135m 2.1m/s 2.4m/s
23:00 ☾
95% 9.7°C 0mm 78% 0cm -31° 14°C 0mm 0.35kPa 24134m 2.1m/s 2.5m/s
Wed, Sep 9 Sunrise 06:32 Sunset 19:31
24:00 ☾
89% 9.6°C 0mm 78% 0cm -35° 13°C 0mm 0.35kPa 24134m 2.1m/s 2.4m/s
01:00 ☾
83% 9.6°C 0mm 75% 0cm -37° 14°C 0mm 0.4kPa 24135m 2m/s 2.2m/s
02:00 ☾
77% 9.7°C 0mm 73% 0cm -35° 14°C 0mm 0.44kPa 24135m 1.8m/s 2m/s
03:00 ☾
66% 10°C 0mm 78% 0cm -31° 14°C 0.13mm 0.35kPa 24134m 1.3m/s 1.3m/s
04:00 ☾
54% 10°C 0mm 88% 0cm -24° 12°C 0.38mm 0.17kPa 24134m 1.8m/s 2m/s
05:00 ☾
43% 9.9°C 0mm 94% 0cm -16° 11°C 0.63mm 0.07kPa 11901m 0.74m/s 0.77m/s
06:00 ☾
41% 11°C 0mm 92% 0cm -6.3° 12°C 0.75mm 0.11kPa 24135m 1m/s 1.1m/s
07:00
38% 10°C 0mm 92% 0cm 3.8° 11°C 0.75mm 0.11kPa 24135m 0.9m/s 0.99m/s
08:00
36% 11°C 0mm 87% 0cm 14° 13°C 0.75mm 0.2kPa 24135m 0.84m/s 0.74m/s
09:00
26% 12°C 0mm 82% 0cm 23° 15°C 0mm 0.31kPa 24134m 1.1m/s 0.87m/s
10:00
17% 12°C 0mm 74% 0cm 33° 16°C 0mm 0.5kPa 24134m 2m/s 1.6m/s
11:00
7% 11°C 0mm 67% 0cm 40° 17°C 0.13mm 0.66kPa 14255m 1.8m/s 1.9m/s
12:00
5% 12°C 0mm 72% 0cm 46° 17°C 0.69mm 0.56kPa 9576m 1.8m/s 2m/s
13:00
3% 13°C 0mm 80% 0cm 48° 17°C 1.9mm 0.38kPa 6684m 2.1m/s 2.3m/s
14:00
1% 13°C 0mm 84% 0cm 46° 16°C 3.3mm 0.28kPa 7507m 2.4m/s 2.4m/s
15:00
1% 13°C 0.03mm 92% 0cm 41° 14°C 1.1mm 0.12kPa 8803m 2.8m/s 2.4m/s
16:00
0% 13°C 2mm 98% 0cm 33° 13°C 2.1mm 0.03kPa 695m 3.1m/s 2.4m/s
17:00
0% 12°C 5mm 99% 0cm 24° 12°C 5.9mm 0.01kPa 175m 3.6m/s 2.8m/s
18:00
0% 11°C 3.8mm 99% 0cm 14° 11°C 11mm 0.02kPa 213m 4.1m/s 3.2m/s
19:00
0% 10°C 1.5mm 99% 0cm 4.3° 11°C 13mm 0.02kPa 252m 2.9m/s 2.1m/s
20:00 ☾
0% 10°C 0.42mm 99% 0cm -5.8° 10°C 14mm 0.01kPa 721m 2.3m/s 1.7m/s
21:00 ☾
0% 10°C 0.06mm 99% 0cm -15° 10°C 0.13mm 0.02kPa 13475m 2.3m/s 1.8m/s
22:00 ☾
0% 10°C 0.14mm 98% 0cm -24° 10°C 0.31mm 0.02kPa 23311m 1.7m/s 1.3m/s
23:00 ☾
0% 10°C 0.02mm 98% 0cm -31° 10°C 0.38mm 0.03kPa 23312m 1.3m/s 1.1m/s
Thu, Sep 10 Sunrise 06:34 Sunset 19:29
24:00 ☾
0% 10°C 0.15mm 98% 0cm -36° 10°C 0.44mm 0.03kPa 23317m 1m/s 0.82m/s
01:00 ☾
0% 10°C 0.08mm 98% 0cm -37° 10°C 0.63mm 0.02kPa 21258m 1.4m/s 1.1m/s
02:00 ☾
0% 10°C 0.1mm 98% 0cm -36° 10°C 0.69mm 0.03kPa 9344m 0.62m/s 0.5m/s
03:00 ☾
0% 10°C 0mm 98% 0cm -31° 10°C 0.06mm 0.03kPa 9578m 0.63m/s 0.52m/s
04:00 ☾
0% 10°C 0.01mm 98% 0cm -24° 10°C 0.13mm 0.02kPa 8496m 1.2m/s 0.91m/s
05:00 ☾
0% 10°C 0mm 98% 0cm -16° 10°C 0.19mm 0.02kPa 3617m 0.9m/s 0.67m/s
06:00 ☾
0% 10°C 0.02mm 99% 0cm -6.6° 10°C 0.25mm 0.02kPa 1835m 1.1m/s 0.84m/s
07:00
0% 10°C 0.01mm 99% 0cm 3.5° 10°C 0.25mm 0.01kPa 503m 1.2m/s 1m/s
08:00
0% 10°C 0.01mm 99% 0cm 13° 10°C 0.31mm 0.01kPa 214m 1.5m/s 1.3m/s
09:00
0% 9.9°C 0.007mm 98% 0cm 23° 10°C 0.21mm 0.02kPa 4673m 1.4m/s 1.2m/s
10:00
0% 9.6°C 0.003mm 98% 0cm 32° 9.9°C 0.1mm 0.03kPa 9133m 1.4m/s 1.2m/s
11:00
0% 9.2°C 0mm 97% 0cm 40° 9.7°C 0mm 0.03kPa 13592m 1.3m/s 1.1m/s
12:00
0% 9.5°C 0mm 97% 0cm 45° 9.9°C 0mm 0.04kPa 16836m 1.2m/s 1.1m/s
13:00
0% 9.7°C 0mm 97% 0cm 47° 10°C 0mm 0.04kPa 20081m 1.1m/s 1m/s
14:00
0% 9.9°C 0mm 97% 0cm 45° 10°C 0mm 0.04kPa 23325m 1m/s 0.96m/s
15:00
0% 9.9°C 0mm 97% 0cm 40° 10°C 0mm 0.03kPa 23318m 0.99m/s 0.94m/s
16:00
0% 9.8°C 0mm 97% 0cm 33° 10°C 0mm 0.03kPa 23312m 0.97m/s 0.92m/s
17:00
0% 9.7°C 0mm 98% 0cm 24° 10°C 0mm 0.03kPa 23306m 0.94m/s 0.89m/s
18:00
0% 9.8°C 0mm 98% 0cm 14° 10°C 0mm 0.03kPa 23310m 1m/s 0.97m/s
19:00
0% 10°C 0mm 98% 0cm 4° 10°C 0mm 0.03kPa 23314m 1.1m/s 1m/s
20:00 ☾
0% 10°C 0mm 98% 0cm -6.2° 11°C 0mm 0.03kPa 23318m 1.1m/s 1.1m/s
21:00 ☾
0% 10°C 0mm 97% 0cm -16° 11°C 0mm 0.04kPa 23340m 1.1m/s 1.1m/s
22:00 ☾
1% 11°C 0mm 96% 0cm -24° 11°C 0mm 0.05kPa 23362m 1.1m/s 1.1m/s
23:00 ☾
1% 11°C 0mm 96% 0cm -31° 12°C 0mm 0.06kPa 23384m 1.1m/s 1.1m/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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