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Rule Fog Hunter

Biei - Fog Hunter - Japan

Q: What conditions does Fog Hunter look for?

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

Biei, Hokkaido, Japan

Thick, moody fog for atmospheric forest and landscape shots

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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 · ≥ 85.0% Dewpoint Spread · ≤ 2.0°C Visibility · ≤ 3000.0m Wind Speed · ≤ 2.0m/s

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

Visibility 89% failing

Dewpoint Spread 81% failing

Currently

Real-time conditions

Fog Probability

Dewpoint Spread0.1°C

Visibility101 (Dense fog)

Relative Humidity100%

Wind Speed6.7m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

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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 Asia/Tokyo	Fog Probability ≥ 85.0%	Dewpoint Spread ≤ 2.0°C	Visibility ≤ 3000.0m	Wind Speed ≤ 2.0m/s
Sun, Feb 22
04:00	0%	1.9°C	24135m	3.3m/s
05:00	0%	2°C	24134m	3.2m/s
06:00	0%	2.1°C	24135m	3.2m/s
07:00	0%	2.1°C	24135m	3.3m/s
08:00	0%	1.2°C	24135m	3m/s
09:00	100%	0.1°C	415m	3m/s
10:00	100%	0.1°C	55m	3m/s
11:00	100%	0.1°C	30m	3m/s
12:00	100%	0.2°C	27m	3.1m/s
13:00	100%	0.2°C	35m	3.3m/s
14:00	100%	0.1°C	40m	3.3m/s
15:00	100%	0.2°C	79m	3.4m/s
16:00	94%	0.5°C	4620m	3.5m/s
17:00	0%	2.8°C	24134m	3.9m/s
18:00	0%	3.4°C	24135m	4m/s
19:00	0%	3.5°C	24135m	4m/s
20:00	0%	3.3°C	24135m	4m/s
21:00	0%	2.8°C	24134m	4.6m/s
22:00	0%	2.2°C	24135m	4.8m/s
23:00	0%	1.4°C	20249m	5.5m/s
Mon, Feb 23
24:00	0%	1.1°C	20029m	6m/s
01:00	0%	0.7°C	887m	6.4m/s
02:00	0%	0.7°C	16667m	7.2m/s
03:00	0%	0.2°C	240m	6.7m/s
04:00	0%	0.1°C	101m	6.7m/s
05:00	0%	0.3°C	13014m	7m/s
06:00	0%	0.1°C	79m	6.6m/s
07:00	0%	0.4°C	173m	7.9m/s
08:00	0%	2.5°C	8185m	7.4m/s
09:00	0%	2.8°C	3673m	8.2m/s
10:00	0%	3.9°C	5021m	7.8m/s
11:00	0%	3.7°C	3382m	7.7m/s
12:00	0%	3.7°C	3479m	7.2m/s
13:00	0%	4.3°C	6478m	6.3m/s
14:00	0%	3.2°C	7435m	5.2m/s
15:00	0%	3.5°C	9011m	5.1m/s
16:00	0%	3.4°C	24135m	4.3m/s
17:00	53%	1.3°C	430m	2.8m/s
18:00	43%	1.7°C	362m	3.9m/s
19:00	0%	2°C	20575m	1.7m/s
20:00	0%	1.8°C	24134m	3.9m/s
21:00	0%	3.6°C	24132m	4.4m/s
22:00	0%	2.4°C	20992m	4.1m/s
23:00	0%	2.2°C	20867m	4.2m/s
Tue, Feb 24
24:00	0%	1.4°C	21194m	4m/s
01:00	58%	0.3°C	240m	2m/s
02:00	0%	1.1°C	112m	2.8m/s
03:00	0%	2.3°C	19859m	3.8m/s
04:00	0%	2.8°C	24128m	2m/s
05:00	0%	2.1°C	7028m	2.2m/s
06:00	0%	2.7°C	24135m	3.1m/s
07:00	0%	2.4°C	24135m	2.7m/s
08:00	0%	4.1°C	24134m	2.9m/s
09:00	0%	5.8°C	24135m	3.5m/s
10:00	0%	5.9°C	22924m	4.4m/s
11:00	0%	6°C	24135m	4.5m/s
12:00	0%	6.2°C	24135m	4.4m/s
13:00	0%	6.6°C	24135m	4.4m/s
14:00	0%	6.5°C	24135m	4.6m/s
15:00	0%	5.8°C	24135m	3.9m/s
16:00	0%	4.3°C	24134m	1.8m/s
17:00	0%	3.4°C	24134m	0.53m/s
18:00	0%	3.1°C	24135m	1.6m/s
19:00	0%	3.2°C	24135m	1.8m/s
20:00	0%	3.2°C	24134m	2.1m/s
21:00	0%	3°C	24135m	2m/s
22:00	0%	2.7°C	24134m	1.9m/s
23:00	0%	2.4°C	24135m	1.8m/s
Wed, Feb 25
24:00	0%	2.2°C	24135m	1.8m/s
01:00	0%	2.3°C	24134m	2.1m/s
02:00	0%	2.2°C	24135m	1.9m/s
03:00	0%	2.1°C	24135m	1.8m/s
04:00	0%	2.2°C	24134m	2m/s
05:00	0%	2.2°C	24134m	2m/s
06:00	0%	2.1°C	24134m	2.3m/s
07:00	0%	2.3°C	24134m	2.2m/s
08:00	0%	3.8°C	24134m	0.66m/s
09:00	0%	4.7°C	24135m	0.92m/s
10:00	0%	3.6°C	24135m	1.3m/s
11:00	0%	2.7°C	24135m	1.6m/s
12:00	0%	1.9°C	24135m	2m/s
13:00	0%	2.1°C	24135m	2.1m/s
14:00	0%	2.2°C	24135m	2.2m/s
15:00	0%	2.5°C	24135m	2.3m/s
16:00	0%	2.6°C	24135m	2.3m/s
17:00	0%	2.8°C	24135m	2.2m/s
18:00	0%	3°C	24135m	2.1m/s
19:00	0%	2.7°C	24135m	2.2m/s
20:00	0%	2.4°C	24135m	2.3m/s
21:00	0%	2°C	24135m	2.3m/s
22:00	0%	2.1°C	24135m	2.2m/s
23:00	0%	2.1°C	24135m	2.1m/s
Thu, Feb 26
24:00	0%	2.2°C	24135m	2m/s
01:00	0%	2.7°C	24135m	2.4m/s
02:00	0%	3.3°C	24135m	2.8m/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 Asia/Tokyo	Dew Point °C	Rainfall mm	Relative Humidity %	Snowfall cm	Temperature °C	Total Precipitation mm	Vapor Pressure Deficit kPa	Wind Gusts m/s
Mon, Feb 23 Sunrise 06:17 Sunset 17:08
04:00 ☾	2.6°C	0.08mm	100%	0cm	2.7°C	0.31mm	0kPa	15m/s
05:00 ☾	3.2°C	0.67mm	98%	0cm	3.5°C	0.69mm	0.02kPa	16m/s
06:00 ☾	3.9°C	4.1mm	99%	0cm	4°C	2.6mm	0kPa	14m/s
07:00 ☾	1.3°C	1.4mm	98%	1.4cm	1.7°C	5.6mm	0.02kPa	17m/s
08:00 ☾	-1.4°C	0.02mm	83%	0.08cm	1.1°C	5.9mm	0.11kPa	15m/s
09:00 ☾	-2.9°C	0.05mm	81%	0.22cm	-0.05°C	6.1mm	0.11kPa	17m/s
10:00 ☾	-4.5°C	0.01mm	74%	0.16cm	-0.57°C	0.13mm	0.15kPa	16m/s
11:00 ☾	-5°C	0.01mm	76%	0.17cm	-1.3°C	0.31mm	0.13kPa	14m/s
12:00 ☾	-5.9°C	0.03mm	76%	0.16cm	-2.2°C	0.5mm	0.13kPa	11m/s
13:00 ☾	-6.9°C	0.08mm	72%	0.14cm	-2.6°C	0.63mm	0.14kPa	9.7m/s
14:00 ☾	-6°C	0.04mm	79%	0.09cm	-2.8°C	0.69mm	0.1kPa	8.4m/s
15:00 ☾	-6.3°C	0mm	77%	0.06cm	-2.8°C	0.81mm	0.12kPa	9.6m/s
16:00 ☾	-6.4°C	0.01mm	78%	0cm	-3°C	0.06mm	0.11kPa	9.8m/s
17:00 ☾	-6.3°C	0.16mm	91%	0.26cm	-5°C	0.13mm	0.04kPa	6.1m/s
18:00 ☾	-5.7°C	0.34mm	88%	0.42cm	-4°C	0.56mm	0.06kPa	9.2m/s
19:00 ☾	-7.4°C	0mm	86%	0cm	-5.4°C	0.69mm	0.06kPa	2.5m/s
20:00 ☾	-8.4°C	0mm	87%	0cm	-6.6°C	0.69mm	0.05kPa	6.2m/s
21:00 ☾	-9.6°C	0mm	76%	0cm	-6°C	0.69mm	0.1kPa	8.5m/s
22:00 ☾	-9.6°C	0.01mm	83%	0cm	-7.2°C	0mm	0.06kPa	7.1m/s
23:00 ☾	-8.1°C	0.01mm	85%	0cm	-5.9°C	0mm	0.06kPa	8.9m/s
Tue, Feb 24 Sunrise 06:15 Sunset 17:10
24:00 ☾	-7.3°C	0.03mm	89%	0cm	-5.9°C	0mm	0.04kPa	9.2m/s
01:00 ☾	-7.7°C	0.28mm	98%	0.34cm	-7.4°C	0.31mm	0.01kPa	4.5m/s
02:00 ☾	-6.6°C	1mm	92%	1cm	-5.5°C	1.1mm	0.03kPa	7.8m/s
03:00 ☾	-8.2°C	0.21mm	84%	0cm	-5.9°C	1.6mm	0.07kPa	10m/s
04:00 ☾	-9.8°C	0mm	80%	0cm	-7°C	0.06mm	0.07kPa	5.2m/s
05:00 ☾	-12°C	0.05mm	84%	0cm	-9.6°C	0.06mm	0.05kPa	2.5m/s
06:00 ☾	-10°C	0mm	81%	0cm	-7.5°C	0.13mm	0.07kPa	7.3m/s
07:00 ☾	-11°C	0mm	83%	0cm	-8.4°C	0.13mm	0.06kPa	4.5m/s
08:00 ☾	-9.8°C	0mm	73%	0cm	-5.7°C	0.13mm	0.11kPa	7m/s
09:00 ☾	-10°C	0mm	64%	0cm	-4.3°C	0.13mm	0.16kPa	8.4m/s
10:00 ☾	-9.5°C	0mm	64%	0cm	-3.6°C	0mm	0.17kPa	8m/s
11:00 ☾	-9.3°C	0mm	63%	0cm	-3.3°C	0mm	0.18kPa	7.3m/s
12:00 ☾	-9.3°C	0mm	62%	0cm	-3.1°C	0mm	0.18kPa	7.3m/s
13:00 ☾	-9.2°C	0mm	60%	0cm	-2.6°C	0.06mm	0.2kPa	8.2m/s
14:00 ☾	-8.9°C	0mm	61%	0cm	-2.4°C	0.06mm	0.2kPa	8.4m/s
15:00 ☾	-8.5°C	0mm	64%	0cm	-2.7°C	0.06mm	0.18kPa	7m/s
16:00 ☾	-7.6°C	0mm	72%	0cm	-3.3°C	0mm	0.13kPa	4.1m/s
17:00 ☾	-9.2°C	0mm	76%	0cm	-5.8°C	0mm	0.09kPa	0.91m/s
18:00 ☾	-9.6°C	0mm	79%	0cm	-6.5°C	0mm	0.08kPa	1.6m/s
19:00 ☾	-9.9°C	0mm	78%	0cm	-6.7°C	0mm	0.08kPa	1.7m/s
20:00 ☾	-10°C	0mm	78%	0cm	-7.2°C	0mm	0.08kPa	1.8m/s
21:00 ☾	-10°C	0mm	79%	0cm	-7.2°C	0mm	0.07kPa	1.8m/s
22:00 ☾	-10°C	0mm	81%	0cm	-7.4°C	0mm	0.07kPa	1.7m/s
23:00 ☾	-10°C	0mm	83%	0cm	-7.8°C	0mm	0.06kPa	1.6m/s
Wed, Feb 25 Sunrise 06:14 Sunset 17:11
24:00 ☾	-10°C	0mm	84%	0cm	-7.9°C	0mm	0.05kPa	1.6m/s
01:00 ☾	-10°C	0mm	84%	0cm	-8.2°C	0mm	0.05kPa	1.8m/s
02:00 ☾	-11°C	0mm	84%	0cm	-8.6°C	0mm	0.05kPa	1.6m/s
03:00 ☾	-11°C	0mm	84%	0cm	-9.3°C	0mm	0.05kPa	1.6m/s
04:00 ☾	-13°C	0mm	84%	0cm	-10°C	0mm	0.04kPa	1.7m/s
05:00 ☾	-13°C	0mm	84%	0cm	-11°C	0mm	0.04kPa	1.7m/s
06:00 ☾	-14°C	0mm	84%	0cm	-12°C	0mm	0.04kPa	1.9m/s
07:00 ☾	-12°C	0mm	83%	0cm	-10°C	0mm	0.05kPa	1.8m/s
08:00 ☾	-9.2°C	0mm	74%	0cm	-5.4°C	0mm	0.1kPa	0.7m/s
09:00 ☾	-8.3°C	0mm	70%	0cm	-3.6°C	0mm	0.14kPa	1.1m/s
10:00 ☾	-9°C	0mm	75%	0cm	-5.4°C	0mm	0.1kPa	1.3m/s
11:00 ☾	-9.8°C	0mm	81%	0cm	-7.1°C	0mm	0.07kPa	1.6m/s
12:00 ☾	-11°C	0mm	86%	0cm	-8.8°C	0mm	0.04kPa	1.8m/s
13:00 ☾	-11°C	0mm	85%	0cm	-9.4°C	0mm	0.05kPa	1.8m/s
14:00 ☾	-12°C	0mm	83%	0cm	-10°C	0mm	0.05kPa	1.9m/s
15:00 ☾	-13°C	0mm	82%	0cm	-11°C	0mm	0.05kPa	1.9m/s
16:00 ☾	-13°C	0mm	81%	0cm	-11°C	0mm	0.05kPa	1.9m/s
17:00 ☾	-13°C	0mm	80%	0cm	-11°C	0mm	0.05kPa	1.8m/s
18:00 ☾	-14°C	0mm	79%	0cm	-11°C	0mm	0.06kPa	1.7m/s
19:00 ☾	-13°C	0mm	81%	0cm	-10°C	0mm	0.05kPa	1.8m/s
20:00 ☾	-12°C	0mm	83%	0cm	-9.9°C	0mm	0.05kPa	1.9m/s
21:00 ☾	-11°C	0mm	85%	0cm	-9.5°C	0mm	0.04kPa	2m/s
22:00 ☾	-11°C	0mm	85%	0cm	-9°C	0mm	0.05kPa	1.9m/s
23:00 ☾	-11°C	0mm	85%	0cm	-8.5°C	0mm	0.05kPa	1.8m/s
Thu, Feb 26 Sunrise 06:12 Sunset 17:12
24:00 ☾	-10°C	0mm	84%	0cm	-8°C	0mm	0.05kPa	1.7m/s
01:00 ☾	-8.7°C	0mm	81%	0cm	-6°C	0mm	0.07kPa	2.7m/s
02:00 ☾	-7.2°C	0mm	78%	0cm	-3.9°C	0mm	0.1kPa	3.8m/s
03:00 ☾	-5.7°C	0mm	75%	0cm	-1.9°C	0mm	0.13kPa	4.8m/s

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

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