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Rule Fog Hunter

Liesjärvi - Fog Hunter - Southern Finland

Liesjärven Kansallispuisto, Kanta-Häme, Finland

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
Fog Probability
0%
Dewpoint Spread1.8°C
Visibility24134 (Clear)
Relative Humidity89%
Wind Speed2.6m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

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

Southern Finland's lake district and boreal forests create ideal conditions for fog photography. The region's 188,000 lakes, countless bogs, and mixed forests generate reliable morning mist from late summer through autumn.

What makes Southern Finland special for fog photography:

  • Lake fog - Large lakes like Vesijärvi and Saimaa produce dramatic ground fog at dawn
  • Bog mist - Torronsuo and other wetlands create ethereal low-lying fog over boardwalks
  • Forest atmosphere - Nuuksio and Repovesi offer misty woodland scenes with cliff viewpoints
  • Accessibility - Most locations within 2 hours of Helsinki

Peak fog season runs from August through October, with the strongest conditions occurring on calm, clear nights when temperatures drop near the dewpoint. Arrive before sunrise for the most dramatic mist.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 75.0%
Fri, Jun 5
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:0030%
Sat, Jun 6
24:000%
01:000%
02:000%
03:000%
04:0073%
05:0062%
06:0048%
07:0048%
08:0027%
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%
22:0045%
23:0018%
Sun, Jun 7
24:000%
01:0026%
02:0026%
03:000%
04:0062%
05:0062%
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, Jun 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%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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/Helsinki
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, Jun 6 Sunrise 04:00 Sunset 22:46
11:00
0% 15°C 0mm 89% 0cm 45° 16°C 0mm 0.2kPa 24134m 5.6m/s 2.6m/s
12:00
0% 15°C 1.3mm 90% 0cm 49° 17°C 0.88mm 0.19kPa 5450m 6.7m/s 3.2m/s
13:00
0% 15°C 0.37mm 96% 0cm 52° 16°C 2.2mm 0.08kPa 9362m 7.3m/s 3m/s
14:00
0% 15°C 1.6mm 97% 0cm 51° 16°C 3.6mm 0.05kPa 3849m 8.5m/s 2.8m/s
15:00
0% 15°C 2.4mm 98% 0cm 48° 15°C 5.8mm 0.04kPa 808m 10m/s 4.2m/s
16:00
0% 15°C 0.99mm 97% 0cm 43° 15°C 2mm 0.05kPa 11236m 8.7m/s 3.6m/s
17:00
0% 15°C 0mm 95% 0cm 37° 16°C 2.3mm 0.09kPa 24135m 7.7m/s 3.1m/s
18:00
0% 15°C 0mm 90% 0cm 30° 17°C 2.9mm 0.19kPa 7598m 7.6m/s 4.1m/s
19:00
0% 15°C 0mm 94% 0cm 23° 16°C 4mm 0.11kPa 14130m 8m/s 4m/s
20:00
0% 14°C 0mm 94% 0cm 15° 15°C 4.2mm 0.1kPa 23951m 7.8m/s 3.6m/s
21:00
0% 13°C 0.08mm 95% 0cm 8.8° 13°C 4.3mm 0.07kPa 17648m 5.2m/s 3.3m/s
22:00
6% 11°C 0.22mm 97% 0cm 3.2° 11°C 0.19mm 0.03kPa 452m 9.7m/s 5m/s
23:00 ☾
12% 11°C 0.1mm 96% 0cm -1.5° 11°C 0.38mm 0.06kPa 24135m 12m/s 5.1m/s
Sun, Jun 7 Sunrise 04:00 Sunset 22:46
24:00 ☾
18% 10°C 0mm 95% 0cm -4.8° 11°C 0.38mm 0.07kPa 24135m 12m/s 4.2m/s
01:00 ☾
20% 11°C 0mm 96% 0cm -6.4° 11°C 0.38mm 0.05kPa 24134m 11m/s 3.4m/s
02:00 ☾
21% 10°C 0mm 96% 0cm -6.2° 11°C 0.38mm 0.05kPa 24134m 10m/s 3.2m/s
03:00 ☾
23% 9.9°C 0mm 94% 0cm -4.2° 11°C 0.38mm 0.07kPa 24134m 9.8m/s 3.6m/s
04:00
36% 9°C 0mm 98% 0cm -0.34° 9.3°C 0mm 0.03kPa 24134m 9.5m/s 3.3m/s
05:00
48% 9°C 0mm 98% 0cm 4.3° 9.4°C 0mm 0.03kPa 24135m 11m/s 3.3m/s
06:00
61% 9.5°C 0mm 93% 0cm 10° 11°C 0mm 0.09kPa 24134m 11m/s 3.5m/s
07:00
64% 10°C 0mm 90% 0cm 17° 12°C 0mm 0.15kPa 24134m 9.6m/s 3.6m/s
08:00
67% 11°C 0mm 80% 0cm 24° 14°C 0mm 0.32kPa 24135m 10m/s 4m/s
09:00
70% 9.3°C 0mm 65% 0cm 32° 16°C 0mm 0.63kPa 24135m 9.1m/s 4.6m/s
10:00
76% 8°C 0mm 53% 0cm 39° 18°C 0mm 0.96kPa 24135m 8.9m/s 5.2m/s
11:00
81% 7.3°C 0mm 46% 0cm 45° 19°C 0mm 1.2kPa 24134m 9.3m/s 5.3m/s
12:00
87% 7.4°C 0mm 44% 0cm 49° 20°C 0mm 1.3kPa 24135m 9m/s 5.5m/s
13:00
86% 7.3°C 0mm 42% 0cm 52° 21°C 0mm 1.4kPa 24135m 8.3m/s 5.6m/s
14:00
86% 7.2°C 0mm 41% 0cm 52° 21°C 0mm 1.4kPa 24135m 7.6m/s 5.3m/s
15:00
85% 6.8°C 0mm 40% 0cm 49° 21°C 0mm 1.5kPa 24135m 7.1m/s 5m/s
16:00
84% 6.2°C 0mm 38% 0cm 43° 21°C 0mm 1.6kPa 24134m 6.5m/s 4.7m/s
17:00
84% 5.3°C 0mm 36% 0cm 37° 21°C 0mm 1.6kPa 24135m 6m/s 4.7m/s
18:00
83% 4.6°C 0mm 36% 0cm 30° 20°C 0mm 1.5kPa 24135m 5.6m/s 4.4m/s
19:00
85% 4.5°C 0mm 37% 0cm 23° 19°C 0mm 1.4kPa 24135m 5.2m/s 4.1m/s
20:00
87% 5.6°C 0mm 43% 0cm 15° 18°C 0mm 1.2kPa 24134m 4.4m/s 3.2m/s
21:00
89% 6.5°C 0mm 52% 0cm 8.9° 16°C 0mm 0.9kPa 24135m 5.8m/s 2.6m/s
22:00
86% 7.1°C 0mm 65% 0cm 3.3° 14°C 0mm 0.55kPa 24134m 6m/s 2.4m/s
23:00 ☾
82% 6.8°C 0mm 72% 0cm -1.4° 12°C 0mm 0.38kPa 24134m 5.6m/s 2.3m/s
Mon, Jun 8 Sunrise 03:59 Sunset 22:48
24:00 ☾
79% 6.5°C 0mm 75% 0cm -4.7° 11°C 0mm 0.32kPa 24134m 4.2m/s 2.1m/s
01:00 ☾
77% 6.2°C 0mm 77% 0cm -6.3° 10°C 0mm 0.29kPa 24135m 1.9m/s 1.8m/s
02:00 ☾
76% 6.1°C 0mm 78% 0cm -6.1° 9.7°C 0mm 0.27kPa 24134m 1.7m/s 1.7m/s
03:00 ☾
74% 6°C 0mm 79% 0cm -4.2° 9.4°C 0mm 0.25kPa 24134m 1.4m/s 1.5m/s
04:00
59% 5.9°C 0mm 79% 0cm -0.21° 9.4°C 0mm 0.25kPa 24134m 1.4m/s 1.4m/s
05:00
43% 6°C 0mm 77% 0cm 4.4° 9.9°C 0mm 0.28kPa 24135m 1.3m/s 1.3m/s
06:00
28% 6.5°C 0mm 70% 0cm 10° 12°C 0mm 0.41kPa 24135m 1.7m/s 1.3m/s
07:00
24% 6.6°C 0mm 61% 0cm 17° 14°C 0mm 0.61kPa 24135m 2.3m/s 1.4m/s
08:00
20% 6.7°C 0mm 56% 0cm 24° 15°C 0mm 0.77kPa 24134m 2.5m/s 1.5m/s
09:00
16% 6.8°C 0mm 50% 0cm 32° 17°C 0mm 0.98kPa 24134m 2.4m/s 1.6m/s
10:00
13% 7°C 0mm 46% 0cm 39° 19°C 0mm 1.2kPa 24134m 2.5m/s 1.7m/s
11:00
11% 6.9°C 0mm 42% 0cm 45° 20°C 0mm 1.4kPa 24135m 2.6m/s 2m/s
12:00
8% 6.6°C 0mm 40% 0cm 50° 21°C 0mm 1.4kPa 24134m 2.7m/s 2.1m/s
13:00
8% 6.4°C 0mm 36% 0cm 52° 22°C 0mm 1.7kPa 24135m 2.9m/s 2.1m/s
14:00
8% 6.3°C 0mm 34% 0cm 52° 23°C 0mm 1.9kPa 24135m 3m/s 2.3m/s
15:00
8% 6.5°C 0mm 34% 0cm 49° 23°C 0mm 1.9kPa 24135m 2.9m/s 2.2m/s
16:00
11% 6.7°C 0mm 33% 0cm 44° 24°C 0mm 2kPa 24134m 2.7m/s 2.2m/s
17:00
14% 6.6°C 0mm 33% 0cm 37° 24°C 0mm 2kPa 24135m 2.4m/s 2.3m/s
18:00
17% 6.8°C 0mm 34% 0cm 30° 23°C 0mm 1.9kPa 24134m 2.7m/s 2.5m/s
19:00
18% 7.8°C 0mm 40% 0cm 23° 22°C 0mm 1.6kPa 24135m 2.8m/s 1.7m/s
20:00
18% 9.8°C 0mm 50% 0cm 16° 21°C 0mm 1.2kPa 24135m 2.7m/s 1.7m/s
21:00
19% 11°C 0mm 64% 0cm 9° 18°C 0mm 0.74kPa 24135m 2.9m/s 1.7m/s
22:00
23% 10°C 0mm 66% 0cm 3.4° 17°C 0mm 0.63kPa 24135m 2.6m/s 1.7m/s
23:00 ☾
28% 9.2°C 0mm 68% 0cm -1.3° 15°C 0mm 0.54kPa 24135m 2.3m/s 1.6m/s
Tue, Jun 9 Sunrise 03:58 Sunset 22:49
24:00 ☾
32% 8.2°C 0mm 70% 0cm -4.7° 13°C 0mm 0.46kPa 24135m 1.9m/s 1.5m/s
01:00 ☾
31% 8.5°C 0mm 62% 0cm -6.2° 16°C 0mm 0.67kPa 24135m 1.9m/s 1.4m/s
02:00 ☾
29% 8.6°C 0mm 55% 0cm -6° 18°C 0mm 0.93kPa 24135m 1.8m/s 1.3m/s
03:00 ☾
28% 8.4°C 0mm 47% 0cm -4.1° 20°C 0mm 1.3kPa 24135m 1.7m/s 1.2m/s
04:00
29% 8.2°C 0mm 43% 0cm -0.09° 21°C 0mm 1.4kPa 24135m 1.6m/s 1.2m/s
05:00
30% 7.9°C 0mm 39% 0cm 4.5° 23°C 0mm 1.7kPa 24135m 1.4m/s 1.3m/s
06:00
31% 7.5°C 0mm 35% 0cm 10° 24°C 0mm 1.9kPa 24135m 1.3m/s 1.4m/s
07:00
31% 7.1°C 0mm 33% 0cm 17° 24°C 0mm 2kPa 24135m 1.3m/s 1.5m/s
08:00
31% 6.7°C 0mm 32% 0cm 24° 25°C 0mm 2.1kPa 24135m 1.4m/s 1.6m/s
09:00
31% 6.3°C 0mm 30% 0cm 32° 25°C 0mm 2.2kPa 24135m 1.4m/s 1.7m/s
10:00
33% 7.6°C 0mm 35% 0cm 39° 24°C 0mm 1.9kPa 24135m 2.5m/s 2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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