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 3 upcoming opportunity windows in the next 10 days.

More Fog Hunter in Norwegian Fjords

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Rule Fog Hunter

Tromso - Fog Hunter - Norwegian Fjords

Tromsø, Troms, Norway

Thick, moody fog for atmospheric forest and landscape shots

Currently

Real-time conditions

Fog Probability

Dewpoint Spread1.5°C

Visibility3131 (Mist/Haze)

Relative Humidity89%

Wind Speed3.7m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Oslo

Next opportunity

Dense Fog (lingering) at Dusk

Tromso

Tomorrow · 16:00–17:00 · 1h window

Medium confidence

51%

🌫️Fog Probability90.3%

Dewpoint Spread: 1.6°C

Visibility: 1055 (Mist/Haze)

Relative Humidity: 88%

Wind Speed: 1.9m/s (calm conditions)

Dense Fog (lingering)

Tromso

Tomorrow · 20:00–21:00

🌫️Fog Probability:100%

Medium

Dense Fog (lingering)

Tromso

Tue, Feb 10 · 02:00–03:00

🌫️Fog Probability:90.3%

Medium

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72-hour requirements breakdown

What passed or failed, hour by hour

3matching hours in the next 72 hoursJump to next match

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Oslo	Fog Probability ≥ 85.0%	Dewpoint Spread ≤ 2.0°C	Visibility ≤ 3000.0m	Wind Speed ≤ 2.0m/s
Sun, Feb 8
07:00	0%	1.9°C	7698m	4.1m/s
08:00	0%	1.5°C	3131m	3.7m/s
09:00	83%	1.3°C	2907m	3.7m/s
10:00	53%	1.2°C	881m	3.5m/s
11:00	55%	0.9°C	698m	3.3m/s
12:00	49%	0.9°C	1377m	3.5m/s
13:00	47%	1°C	1881m	3.1m/s
14:00	94%	1.2°C	1355m	2.8m/s
15:00	94%	1.1°C	1580m	3.3m/s
16:00	42%	1°C	2898m	3.6m/s
17:00	49%	1°C	1603m	3.5m/s
18:00	55%	0.8°C	245m	3.1m/s
19:00	57%	0.6°C	154m	2.9m/s
20:00	57%	0.6°C	251m	3.1m/s
21:00	57%	0.6°C	263m	3.4m/s
22:00	57%	0.7°C	222m	3.3m/s
23:00	55%	0.7°C	472m	3.1m/s
Mon, Feb 9
24:00	55%	0.9°C	691m	2.8m/s
01:00	49%	0.9°C	1040m	2.5m/s
02:00	99%	0.9°C	1165m	2.5m/s
03:00	100%	0.9°C	606m	2.7m/s
04:00	53%	1°C	574m	2.6m/s
05:00	55%	0.8°C	222m	2.8m/s
06:00	0%	0.6°C	119m	2.2m/s
07:00	0%	0.6°C	112m	1.8m/s
08:00	0%	0.6°C	160m	2.2m/s
09:00	0%	1°C	456m	2.3m/s
10:00	0%	1.5°C	623m	2.7m/s
11:00	0%	1.8°C	1123m	2.7m/s
12:00	0%	1.7°C	794m	2.4m/s
13:00	0%	1.7°C	776m	2.6m/s
14:00	79%	1.6°C	2116m	2.6m/s
15:00	0%	1.6°C	5157m	2.3m/s
16:00	90%	1.6°C	1055m	1.9m/s
17:00	51%	1.5°C	352m	1.5m/s
18:00	51%	1.6°C	484m	1.3m/s
19:00	51%	1.4°C	487m	1.4m/s
20:00	100%	1.4°C	282m	1.2m/s
21:00	53%	1.3°C	236m	1.4m/s
22:00	53%	1.3°C	286m	1.2m/s
23:00	53%	1.3°C	222m	0.94m/s
Tue, Feb 10
24:00	0%	1.1°C	194m	1.4m/s
01:00	0%	1.1°C	249m	1.6m/s
02:00	90%	1.6°C	1066m	1.4m/s
03:00	79%	1.9°C	2452m	0.63m/s
04:00	51%	2°C	862m	0.42m/s
05:00	51%	1.9°C	202m	1.1m/s
06:00	0%	0.8°C	123m	1.4m/s
07:00	0%	0.7°C	148m	0.72m/s
08:00	55%	0.8°C	220m	0.99m/s
09:00	55%	0.8°C	256m	1.9m/s
10:00	55%	0.9°C	189m	2.7m/s
11:00	0%	0.9°C	197m	3m/s
12:00	0%	1.1°C	267m	2.5m/s
13:00	0%	1.2°C	1335m	2.1m/s
14:00	38%	0.8°C	8006m	2.3m/s
15:00	38%	0.5°C	14678m	2.6m/s
16:00	69%	0.1°C	21349m	2.8m/s
17:00	69%	0.2°C	21150m	2.8m/s
18:00	69%	0.1°C	20951m	2.7m/s
19:00	69%	0.1°C	20752m	2.7m/s
20:00	69%	0.2°C	20519m	2.6m/s
21:00	69%	0.1°C	20286m	2.5m/s
22:00	69%	0.1°C	20053m	2.4m/s
23:00	69%	0.2°C	20502m	2.5m/s
Wed, Feb 11
24:00	67%	0.3°C	20951m	2.6m/s
01:00	67%	0.3°C	21399m	2.7m/s
02:00	64%	0.5°C	21735m	2.6m/s
03:00	60%	0.6°C	22071m	2.5m/s
04:00	60%	0.7°C	22406m	2.5m/s
05:00	60%	1°C	22983m	2.5m/s
06:00	0%	1.2°C	23559m	2.6m/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/Oslo	Dew Point °C	Rainfall mm	Relative Humidity %	Snowfall cm	Temperature °C	Total Precipitation mm	Vapor Pressure Deficit kPa	Wind Gusts m/s
Sun, Feb 8 Sunrise 08:49 Sunset 15:08
08:00 ☾	-7.4°C	0.08mm	89%	0.08cm	-5.9°C	0.06mm	0.04kPa	3.3m/s
09:00	-7.6°C	0.13mm	90%	0.13cm	-6.3°C	0.19mm	0.04kPa	3.6m/s
10:00	-7.2°C	0.11mm	91%	0.11cm	-6°C	0.31mm	0.03kPa	3.3m/s
11:00	-6.5°C	0.06mm	93%	0.06cm	-5.6°C	0.38mm	0.03kPa	3m/s
12:00	-6°C	0.03mm	94%	0.03cm	-5.1°C	0.38mm	0.03kPa	3.2m/s
13:00	-5.3°C	0.03mm	92%	0.03cm	-4.3°C	0.44mm	0.03kPa	2.7m/s
14:00	-5.2°C	0.04mm	92%	0.04cm	-4°C	0.06mm	0.04kPa	2.4m/s
15:00	-5.2°C	0.09mm	92%	0.09cm	-4.1°C	0.13mm	0.04kPa	2.8m/s
16:00 ☾	-5.7°C	0.12mm	93%	0.12cm	-4.7°C	0.25mm	0.03kPa	3.4m/s
17:00 ☾	-5.8°C	0.21mm	93%	0.21cm	-4.8°C	0.38mm	0.03kPa	3.4m/s
18:00 ☾	-5.4°C	0.3mm	94%	0.3cm	-4.6°C	0.63mm	0.03kPa	2.9m/s
19:00 ☾	-5.2°C	0.29mm	96%	0.29cm	-4.6°C	0.88mm	0.02kPa	2.7m/s
20:00 ☾	-5.1°C	0.16mm	95%	0.16cm	-4.5°C	0.25mm	0.02kPa	2.9m/s
21:00 ☾	-5.1°C	0.14mm	95%	0.14cm	-4.5°C	0.38mm	0.02kPa	3.2m/s
22:00 ☾	-5°C	0.16mm	95%	0.16cm	-4.3°C	0.5mm	0.02kPa	3.3m/s
23:00 ☾	-5°C	0.09mm	95%	0.09cm	-4.3°C	0.69mm	0.02kPa	3m/s
Mon, Feb 9 Sunrise 08:49 Sunset 15:08
24:00 ☾	-5°C	0.05mm	94%	0.05cm	-4.1°C	0.75mm	0.03kPa	2.7m/s
01:00 ☾	-4.9°C	0.05mm	94%	0.05cm	-4°C	0.81mm	0.03kPa	2.4m/s
02:00 ☾	-5.2°C	0.07mm	94%	0.07cm	-4.3°C	0.06mm	0.03kPa	2.4m/s
03:00 ☾	-5.2°C	0.12mm	93%	0.12cm	-4.3°C	0.13mm	0.03kPa	2.5m/s
04:00 ☾	-5.3°C	0.16mm	93%	0.16cm	-4.3°C	0.25mm	0.03kPa	2.4m/s
05:00 ☾	-5.5°C	0.37mm	94%	0.37cm	-4.7°C	0.5mm	0.03kPa	2.6m/s
06:00 ☾	-5.3°C	0.88mm	96%	0.93cm	-4.7°C	1.1mm	0.02kPa	1.9m/s
07:00 ☾	-5°C	1.3mm	96%	1.3cm	-4.4°C	2.3mm	0.02kPa	1.8m/s
08:00 ☾	-4.7°C	0.75mm	96%	0.76cm	-4.1°C	1mm	0.02kPa	2.9m/s
09:00	-4.9°C	0.17mm	93%	0.2cm	-3.9°C	1.5mm	0.03kPa	3.1m/s
10:00	-6.1°C	0.08mm	89%	0.09cm	-4.6°C	1.7mm	0.05kPa	3.6m/s
11:00	-6.9°C	0.05mm	87%	0.06cm	-5.1°C	1.8mm	0.05kPa	3.5m/s
12:00	-7.5°C	0.06mm	88%	0.07cm	-5.8°C	1.8mm	0.05kPa	3m/s
13:00	-7.5°C	0.06mm	88%	0.07cm	-5.8°C	1.9mm	0.05kPa	3.2m/s
14:00	-8.1°C	0.03mm	88%	0.06cm	-6.5°C	0.06mm	0.04kPa	3.3m/s
15:00	-9.3°C	0.02mm	88%	0cm	-7.7°C	0.13mm	0.04kPa	2.7m/s
16:00 ☾	-10°C	0.04mm	88%	0.04cm	-8.9°C	0.19mm	0.04kPa	2.4m/s
17:00 ☾	-10°C	0.11mm	89%	0.11cm	-8.7°C	0.25mm	0.04kPa	2m/s
18:00 ☾	-9.4°C	0.1mm	89%	0.11cm	-7.8°C	0.38mm	0.04kPa	2.2m/s
19:00 ☾	-9.6°C	0.1mm	90%	0.11cm	-8.2°C	0.44mm	0.03kPa	2.3m/s
20:00 ☾	-9.2°C	0.15mm	90%	0.17cm	-7.8°C	0.13mm	0.03kPa	2.2m/s
21:00 ☾	-8.4°C	0.19mm	90%	0.22cm	-7.1°C	0.31mm	0.03kPa	2.4m/s
22:00 ☾	-8.1°C	0.14mm	90%	0.17cm	-6.8°C	0.5mm	0.04kPa	2.3m/s
23:00 ☾	-8.1°C	0.23mm	90%	0.26cm	-6.8°C	0.69mm	0.04kPa	2m/s
Tue, Feb 10 Sunrise 08:44 Sunset 15:13
24:00 ☾	-7.7°C	0.29mm	92%	0.33cm	-6.6°C	1mm	0.03kPa	2.2m/s
01:00 ☾	-7.4°C	0.19mm	92%	0.24cm	-6.3°C	1.3mm	0.03kPa	2.6m/s
02:00 ☾	-8.1°C	0.05mm	88%	0.07cm	-6.5°C	0.13mm	0.04kPa	2.9m/s
03:00 ☾	-9.5°C	0.02mm	87%	0cm	-7.6°C	0.19mm	0.05kPa	2.2m/s
04:00 ☾	-10°C	0.11mm	86%	0.11cm	-8.5°C	0.25mm	0.05kPa	1.1m/s
05:00 ☾	-9.3°C	0.5mm	86%	0.52cm	-7.4°C	0.56mm	0.05kPa	1.4m/s
06:00 ☾	-7.3°C	0.69mm	94%	0.69cm	-6.5°C	1.2mm	0.02kPa	1.5m/s
07:00 ☾	-7°C	0.47mm	94%	0.47cm	-6.3°C	1.8mm	0.02kPa	0.7m/s
08:00 ☾	-7.3°C	0.25mm	94%	0.25cm	-6.5°C	0.38mm	0.02kPa	0.61m/s
09:00	-8.1°C	0.2mm	94%	0.2cm	-7.3°C	0.63mm	0.02kPa	1.3m/s
10:00	-8.3°C	0.25mm	93%	0.25cm	-7.4°C	0.88mm	0.02kPa	2.1m/s
11:00	-8.3°C	0.25mm	93%	0.25cm	-7.4°C	1.1mm	0.02kPa	2.4m/s
12:00	-8.4°C	0.16mm	92%	0.16cm	-7.3°C	1.3mm	0.03kPa	2.1m/s
13:00	-8.6°C	0.07mm	91%	0.07cm	-7.4°C	1.4mm	0.03kPa	1.6m/s
14:00	-12°C	0.05mm	94%	0.05cm	-11°C	0.96mm	0.02kPa	1.9m/s
15:00	-15°C	0.02mm	96%	0.02cm	-15°C	0.48mm	0.01kPa	2.2m/s
16:00 ☾	-18°C	0mm	99%	0cm	-18°C	0mm	0kPa	2.5m/s
17:00 ☾	-19°C	0mm	99%	0cm	-19°C	0mm	0kPa	2.5m/s
18:00 ☾	-19°C	0mm	99%	0cm	-19°C	0mm	0kPa	2.4m/s
19:00 ☾	-19°C	0mm	98%	0cm	-19°C	0mm	0kPa	2.3m/s
20:00 ☾	-20°C	0mm	99%	0cm	-20°C	0mm	0kPa	2.2m/s
21:00 ☾	-20°C	0mm	99%	0cm	-20°C	0mm	0kPa	2.2m/s
22:00 ☾	-20°C	0mm	100%	0cm	-20°C	0mm	0kPa	2.1m/s
23:00 ☾	-21°C	0mm	99%	0cm	-20°C	0mm	0kPa	2.1m/s
Wed, Feb 11 Sunrise 08:39 Sunset 15:18
24:00 ☾	-21°C	0mm	98%	0cm	-21°C	0mm	0kPa	2.2m/s
01:00 ☾	-21°C	0mm	97%	0cm	-21°C	0mm	0kPa	2.2m/s
02:00 ☾	-21°C	0mm	96%	0cm	-21°C	0mm	0kPa	2.2m/s
03:00 ☾	-21°C	0mm	95%	0cm	-21°C	0mm	0.01kPa	2.1m/s
04:00 ☾	-21°C	0mm	94%	0cm	-21°C	0mm	0.01kPa	2.1m/s
05:00 ☾	-21°C	0mm	92%	0cm	-20°C	0mm	0.01kPa	2.2m/s
06:00 ☾	-20°C	0mm	90%	0cm	-19°C	0mm	0.01kPa	2.3m/s
07:00 ☾	-20°C	0mm	88%	0cm	-18°C	0mm	0.02kPa	2.4m/s

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

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