What conditions does Fog Hunter look for?

Fog Probability: ≥ 85.0%. Dewpoint Spread: ≤ 2.0°C. Visibility: ≤ 3000.0m. Wind Speed: ≤ 2.0m/s

How often do conditions match?

There are 5 upcoming opportunity windows in the next 10 days.

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Rule Fog Hunter

Nellim - Fog Hunter - Finnish Lapland

Nellimö, Lapland, Finland

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions

Fog Probability

86%

Dewpoint Spread0.0°C

Visibility5409 (Moderate)

Relative Humidity100%

Wind Speed0.4m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

Next opportunity

Dense Fog (lingering) at Sunrise

Nellim

Tomorrow · 07:00–10:00 · 3h window

High confidence

77%

🌫️Fog Probability97.2-100%

Dewpoint Spread: 0.0°C

Visibility: 2499 (Mist/Haze)

Relative Humidity: 100%

Wind Speed: 0.7m/s (calm conditions)

Dense Fog (lingering)

Nellim

Tomorrow · 10:00–14:00

🌫️Fog Probability:94.4-98.6%

High

Dense Fog (lingering) at Sunset

Nellim

Tomorrow · 14:00–18:00

🌫️Fog Probability:87.5-100%

Medium

Dense Fog (lingering)

Nellim

Tomorrow · 18:00–20:00

🌫️Fog Probability:97.2-100%

High

Dense Fog (lingering) at Sunset

Nellim

Thu, Feb 26 · 17:00–18:00

🌫️Fog Probability:94.4%

Medium

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72-hour requirements breakdown

What passed or failed, hour by hour

16matching hours in the next 95 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Helsinki	Fog Probability ≥ 85.0%	Dewpoint Spread ≤ 2.0°C	Visibility ≤ 3000.0m	Wind Speed ≤ 2.0m/s
Tue, Feb 17
21:00	97%	0°C	3288m	0.6m/s
22:00	97%	0°C	3212m	0.59m/s
23:00	97%	0°C	2760m	0.65m/s
Wed, Feb 18
24:00	97%	0°C	2691m	0.82m/s
01:00	97%	0°C	2993m	0.89m/s
02:00	97%	0°C	3075m	0.96m/s
03:00	97%	0°C	3619m	1.3m/s
04:00	97%	0°C	3862m	1.4m/s
05:00	97%	0°C	3639m	1.2m/s
06:00	97%	0°C	3509m	1.3m/s
07:00	97%	0°C	4052m	1.4m/s
08:00	97%	0°C	4742m	1.3m/s
09:00	97%	0°C	4981m	1.5m/s
10:00	86%	0°C	5188m	1.4m/s
11:00	86%	0°C	5761m	0.82m/s
12:00	83%	0.3°C	9640m	0.49m/s
13:00	67%	0.4°C	15020m	0.37m/s
14:00	83%	0.3°C	6642m	0.24m/s
15:00	69%	0.2°C	20589m	0.21m/s
16:00	69%	0°C	15889m	0.31m/s
17:00	86%	0°C	6541m	0.51m/s
18:00	86%	0°C	6127m	0.55m/s
19:00	86%	0°C	5754m	0.49m/s
20:00	86%	0°C	5493m	0.42m/s
21:00	86%	0°C	5409m	0.39m/s
22:00	86%	0°C	5342m	0.32m/s
23:00	86%	0°C	6146m	0.34m/s
Thu, Feb 19
24:00	86%	0°C	7051m	0.46m/s
01:00	86%	0°C	7414m	0.6m/s
02:00	86%	0°C	7028m	0.46m/s
03:00	86%	0°C	7094m	0.66m/s
04:00	86%	0°C	7063m	0.7m/s
05:00	86%	0°C	6284m	0.68m/s
06:00	97%	0°C	3381m	0.64m/s
07:00	97%	0°C	2499m	0.66m/s
08:00	100%	0°C	1024m	0.92m/s
09:00	100%	0.1°C	963m	0.76m/s
10:00	94%	0.4°C	2163m	0.74m/s
11:00	99%	0.8°C	1721m	0.75m/s
12:00	99%	0.9°C	1369m	0.72m/s
13:00	99%	0.9°C	1710m	0.77m/s
14:00	88%	0.9°C	2578m	0.7m/s
15:00	92%	0.6°C	2031m	0.5m/s
16:00	100%	0.4°C	867m	0.56m/s
17:00	100%	0.2°C	865m	0.78m/s
18:00	100%	0.2°C	994m	1m/s
19:00	97%	0.2°C	2032m	1.2m/s
20:00	86%	0.3°C	6489m	1.2m/s
21:00	69%	0.3°C	16096m	1.5m/s
22:00	78%	0.1°C	13067m	1.6m/s
23:00	78%	0.1°C	10732m	1.8m/s
Fri, Feb 20
24:00	78%	0.1°C	10207m	1.8m/s
01:00	86%	0°C	8855m	2m/s
02:00	86%	0°C	6571m	2m/s
03:00	86%	0°C	6513m	2m/s
04:00	78%	0°C	10639m	1.8m/s
05:00	78%	0°C	10703m	1.7m/s
06:00	69%	0°C	16560m	1.6m/s
07:00	69%	0°C	24134m	1.5m/s
08:00	69%	0°C	24134m	1.3m/s
09:00	69%	0.1°C	24134m	1.3m/s
10:00	67%	0.3°C	24134m	1.4m/s
11:00	60%	0.8°C	24135m	1.3m/s
12:00	0%	1.1°C	24135m	1.4m/s
13:00	0%	1.2°C	24134m	1.2m/s
14:00	60%	0.8°C	24134m	0.93m/s
15:00	67%	0.5°C	24114m	0.82m/s
16:00	69%	0.1°C	24074m	1.2m/s
17:00	78%	0°C	13823m	1.6m/s
18:00	69%	0°C	17481m	1.3m/s
19:00	78%	0°C	10655m	1.4m/s
20:00	78%	0°C	13655m	1.8m/s
21:00	69%	0.1°C	17566m	1.9m/s
22:00	69%	0.1°C	17256m	1.9m/s
23:00	69%	0°C	17224m	2m/s
Sat, Feb 21
24:00	67%	0.3°C	17224m	1.8m/s
01:00	69%	0.2°C	24135m	2m/s
02:00	69%	0.2°C	24135m	2.1m/s
03:00	67%	0.5°C	24135m	2.2m/s
04:00	60%	0.7°C	24135m	2.3m/s
05:00	60%	0.9°C	24135m	2.4m/s
06:00	0%	1.1°C	24135m	2.7m/s
07:00	0%	1.2°C	24135m	3m/s
08:00	0%	1.4°C	24135m	3.4m/s
09:00	0%	1.4°C	24135m	3.4m/s
10:00	0%	1.3°C	24135m	3.4m/s
11:00	0%	1.2°C	24135m	3.4m/s
12:00	0%	1.4°C	24135m	3.5m/s
13:00	0%	1.5°C	24135m	3.7m/s
14:00	0%	1.7°C	24135m	3.9m/s
15:00	0%	1.6°C	17172m	4.2m/s
16:00	0%	1.6°C	10209m	4.5m/s
17:00	0%	1.5°C	3246m	4.8m/s
18:00	25%	1.2°C	2319m	4.7m/s
19:00	28%	1.1°C	1392m	4.6m/s

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	Dew Point °C	Rainfall mm	Relative Humidity %	Snowfall cm	Temperature °C	Total Precipitation mm	Vapor Pressure Deficit kPa	Wind Gusts m/s
Wed, Feb 18 Sunrise 08:18 Sunset 16:24
21:00 ☾	-26°C	0mm	100%	0cm	-26°C	0mm	0kPa	0.4m/s
22:00 ☾	-26°C	0mm	100%	0cm	-26°C	0mm	0kPa	0.3m/s
23:00 ☾	-27°C	0mm	100%	0cm	-27°C	0mm	0kPa	0.32m/s
Thu, Feb 19 Sunrise 08:18 Sunset 16:24
24:00 ☾	-27°C	0mm	100%	0cm	-27°C	0mm	0kPa	0.4m/s
01:00 ☾	-27°C	0mm	100%	0cm	-27°C	0mm	0kPa	0.52m/s
02:00 ☾	-27°C	0mm	100%	0cm	-27°C	0mm	0kPa	0.5m/s
03:00 ☾	-27°C	0mm	100%	0cm	-27°C	0mm	0kPa	0.62m/s
04:00 ☾	-27°C	0.01mm	100%	0cm	-27°C	0mm	0kPa	0.71m/s
05:00 ☾	-25°C	0mm	100%	0cm	-25°C	0mm	0kPa	0.72m/s
06:00 ☾	-24°C	0.01mm	100%	0cm	-25°C	0mm	0kPa	0.61m/s
07:00 ☾	-23°C	0.01mm	100%	0cm	-23°C	0.06mm	0kPa	0.61m/s
08:00 ☾	-22°C	0.03mm	100%	0.03cm	-22°C	0.06mm	0kPa	0.8m/s
09:00	-20°C	0.03mm	99%	0cm	-20°C	0.06mm	0kPa	0.72m/s
10:00	-18°C	0.01mm	96%	0cm	-17°C	0.06mm	0.01kPa	1.2m/s
11:00	-16°C	0.02mm	94%	0cm	-16°C	0.06mm	0.01kPa	1.4m/s
12:00	-15°C	0.03mm	93%	0cm	-15°C	0.13mm	0.01kPa	1.5m/s
13:00	-15°C	0.02mm	93%	0cm	-14°C	0.13mm	0.01kPa	1.6m/s
14:00	-14°C	0.01mm	93%	0cm	-13°C	0.13mm	0.02kPa	1.5m/s
15:00	-14°C	0.02mm	95%	0cm	-14°C	0mm	0.01kPa	1.1m/s
16:00	-15°C	0.04mm	97%	0.04cm	-14°C	0.06mm	0.01kPa	0.61m/s
17:00 ☾	-16°C	0.04mm	98%	0.04cm	-16°C	0.06mm	0kPa	0.72m/s
18:00 ☾	-17°C	0.03mm	98%	0.03cm	-16°C	0.13mm	0kPa	0.9m/s
19:00 ☾	-16°C	0.02mm	98%	0cm	-16°C	0.13mm	0kPa	1.1m/s
20:00 ☾	-17°C	0mm	98%	0cm	-16°C	0.13mm	0kPa	1.1m/s
21:00 ☾	-17°C	0mm	98%	0cm	-17°C	0mm	0kPa	1.3m/s
22:00 ☾	-19°C	0mm	99%	0cm	-19°C	0mm	0kPa	1.4m/s
23:00 ☾	-19°C	0mm	100%	0cm	-19°C	0mm	0kPa	1.6m/s
Fri, Feb 20 Sunrise 08:14 Sunset 16:28
24:00 ☾	-19°C	0mm	100%	0cm	-19°C	0mm	0kPa	1.6m/s
01:00 ☾	-22°C	0mm	100%	0cm	-22°C	0mm	0kPa	1.8m/s
02:00 ☾	-23°C	0mm	100%	0cm	-23°C	0mm	0kPa	1.7m/s
03:00 ☾	-22°C	0mm	100%	0cm	-22°C	0mm	0kPa	1.7m/s
04:00 ☾	-22°C	0mm	100%	0cm	-22°C	0mm	0kPa	1.5m/s
05:00 ☾	-21°C	0mm	100%	0cm	-21°C	0mm	0kPa	1.5m/s
06:00 ☾	-21°C	0mm	100%	0cm	-21°C	0mm	0kPa	1.4m/s
07:00 ☾	-21°C	0mm	100%	0cm	-21°C	0mm	0kPa	1.3m/s
08:00 ☾	-21°C	0mm	100%	0cm	-21°C	0mm	0kPa	1.2m/s
09:00	-21°C	0mm	100%	0cm	-21°C	0mm	0kPa	1.2m/s
10:00	-19°C	0mm	97%	0cm	-19°C	0mm	0kPa	1.2m/s
11:00	-17°C	0mm	94%	0cm	-17°C	0mm	0.01kPa	1.7m/s
12:00	-16°C	0mm	91%	0cm	-15°C	0mm	0.02kPa	2.3m/s
13:00	-15°C	0mm	91%	0cm	-14°C	0mm	0.02kPa	2.1m/s
14:00	-15°C	0mm	93%	0cm	-14°C	0mm	0.01kPa	1.3m/s
15:00	-16°C	0mm	97%	0cm	-16°C	0mm	0.01kPa	0.82m/s
16:00	-18°C	0mm	99%	0cm	-18°C	0mm	0kPa	1.1m/s
17:00 ☾	-20°C	0mm	100%	0cm	-20°C	0mm	0kPa	1.4m/s
18:00 ☾	-22°C	0mm	100%	0cm	-22°C	0mm	0kPa	1.2m/s
19:00 ☾	-23°C	0mm	100%	0cm	-23°C	0mm	0kPa	1.2m/s
20:00 ☾	-23°C	0mm	100%	0cm	-23°C	0mm	0kPa	1.6m/s
21:00 ☾	-22°C	0mm	100%	0cm	-22°C	0mm	0kPa	1.7m/s
22:00 ☾	-21°C	0mm	99%	0cm	-21°C	0mm	0kPa	1.7m/s
23:00 ☾	-21°C	0mm	99%	0cm	-21°C	0mm	0kPa	1.7m/s
Sat, Feb 21 Sunrise 08:09 Sunset 16:32
24:00 ☾	-18°C	0mm	98%	0cm	-18°C	0mm	0kPa	1.6m/s
01:00 ☾	-19°C	0mm	98%	0cm	-19°C	0mm	0kPa	1.7m/s
02:00 ☾	-19°C	0mm	98%	0cm	-19°C	0mm	0kPa	2.6m/s
03:00 ☾	-18°C	0mm	96%	0cm	-17°C	0mm	0.01kPa	3.4m/s
04:00 ☾	-16°C	0mm	95%	0cm	-16°C	0mm	0.01kPa	4.3m/s
05:00 ☾	-15°C	0mm	93%	0cm	-14°C	0mm	0.01kPa	5.1m/s
06:00 ☾	-14°C	0mm	92%	0cm	-13°C	0mm	0.02kPa	6.1m/s
07:00 ☾	-13°C	0mm	90%	0cm	-12°C	0mm	0.02kPa	7m/s
08:00 ☾	-12°C	0mm	89%	0cm	-11°C	0mm	0.03kPa	8m/s
09:00	-13°C	0mm	90%	0cm	-11°C	0mm	0.03kPa	7.7m/s
10:00	-13°C	0mm	90%	0cm	-12°C	0mm	0.02kPa	7.3m/s
11:00	-14°C	0mm	90%	0cm	-13°C	0mm	0.02kPa	7m/s
12:00	-14°C	0mm	89%	0cm	-12°C	0mm	0.03kPa	7.8m/s
13:00	-13°C	0mm	88%	0cm	-12°C	0mm	0.03kPa	8.7m/s
14:00	-13°C	0mm	88%	0cm	-12°C	0mm	0.03kPa	9.6m/s
15:00	-13°C	0.05mm	88%	0cm	-11°C	0.06mm	0.03kPa	10m/s
16:00	-12°C	0.09mm	88%	0cm	-11°C	0.13mm	0.03kPa	11m/s
17:00 ☾	-12°C	0.14mm	89%	0cm	-11°C	0.19mm	0.03kPa	12m/s
18:00 ☾	-12°C	0.15mm	90%	0cm	-11°C	0.38mm	0.03kPa	11m/s
19:00 ☾	-12°C	0.15mm	92%	0cm	-11°C	0.56mm	0.02kPa	11m/s
20:00 ☾	-12°C	0.16mm	94%	0cm	-11°C	0.75mm	0.02kPa	11m/s

How to read: these inputs help produce the derived score; they are not requirements by themselves.

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