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Rule Morning Frost

Takayama - Morning Frost - Japan

Takayama, Gifu, Japan

Frost crystals on calm, cold mornings near sunrise

No opportunities right now
Here’s what usually blocks matches

No Morning Frost opportunities in the next 14 days

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Rule requirements (key thresholds)
Time Window · Sunrise -45m to +90m Frost Probability · ≥ 60.0% Wind Speed · ≤ 1.5m/s

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Wind Speed 96% failing
Time Window 88% failing
Frost Probability 88% failing

Currently

Real-time conditions
Soil Temperature1.2°C
Dew Point-3.5°C (low dew point)
Wind Speed1.6m/s (calm conditions)
Cloud Cover97%

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.

What this forecast looks for

Plain-language explanation from the rule

Japan's winter transforms its iconic landscapes into scenes of serene beauty that embody the aesthetic principle of wabi-sabi—finding beauty in impermanence and imperfection. This forecast tracks frost and freezing conditions across Japan's diverse winter photography destinations.

Winter photography opportunities across Japan:

  • Kyoto's snow-covered temples - Kinkaku-ji golden pavilion and Fushimi Inari shrine gates become ethereal under fresh snow
  • Hokkaido's frozen landscapes - The Blue Pond in Biei develops stunning ice patterns and frost-covered trees create otherworldly scenes
  • Mountain shrines - Nikko's ornate Toshogu shrine complex gains dramatic contrast under winter snow
  • Historic streets - Takayama's preserved Edo-period town appears suspended in time with frost-laden roofs
  • Ice formations - Mountain shrines and waterfalls develop intricate ice sculptures

The season runs from December through February across most of Japan, with Hokkaido remaining frozen well into March. Early morning shoots capture hoarfrost at its peak before the sun melts the delicate ice crystals. The contrast between traditional architecture and pristine snow creates compositions rich in cultural depth.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 80 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Tokyo
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Fri, Mar 13
13:0057%4.6m/s
14:0057%4.2m/s
15:0057%4.3m/s
16:0050%3.7m/s
17:0050%3.1m/s
18:0041%2.4m/s
19:0041%2.2m/s
20:0041%1.9m/s
21:0041%1.9m/s
22:0043%1.6m/s
23:0041%1.9m/s
Sat, Mar 14
24:0042%1.9m/s
01:0048%2.1m/s
02:0041%1.8m/s
03:0041%2.1m/s
04:0051%2.3m/s
05:0055%2.4m/s
06:0058%2.2m/s
07:0062%1.9m/s
08:0063%2.4m/s
09:0078%2.2m/s
10:0086%2.7m/s
11:0084%2.9m/s
12:0084%3.3m/s
13:0084%3.4m/s
14:0080%3.7m/s
15:0076%3.5m/s
16:0056%3.2m/s
17:0050%3m/s
18:0041%1.9m/s
19:0041%2.1m/s
20:0041%1.9m/s
21:0043%1.6m/s
22:0046%1.5m/s
23:0046%1.4m/s
Sun, Mar 15
24:0054%1.5m/s
01:0046%1.7m/s
02:0044%1.7m/s
03:0044%1.7m/s
04:0041%1.7m/s
05:0043%1.6m/s
06:0041%1.8m/s
07:0041%1.8m/s
08:0044%1.8m/s
09:0052%2.2m/s
10:0052%2.1m/s
11:0042%2.5m/s
12:0037%2.9m/s
13:0037%3.1m/s
14:0035%3.3m/s
15:0035%3.3m/s
16:0027%2.8m/s
17:0028%2.6m/s
18:0028%2.4m/s
19:0028%2.4m/s
20:0030%2m/s
21:0031%1.9m/s
22:0026%1.7m/s
23:0028%1.7m/s
Mon, Mar 16
24:0019%1.8m/s
01:0022%1.5m/s
02:0030%1.8m/s
03:0032%1.5m/s
04:0052%1.9m/s
05:0057%2.2m/s
06:0050%2.6m/s
07:0048%2.9m/s
08:0048%3.2m/s
09:0048%3.5m/s
10:0055%3.3m/s
11:0059%3.1m/s
12:0050%2.9m/s
13:0052%2.7m/s
14:0052%2.5m/s
15:0052%2.3m/s
16:0052%2.1m/s
17:0052%1.9m/s
18:0054%1.6m/s
19:0046%1.3m/s
20:0040%0.87m/s
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost 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
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Fri, Mar 13 Sunrise 06:04 Sunset 17:56
22:00
-3.5°C 1.2°C -2.2°C - 97% 0.05kPa
23:00
-3.4°C 1.2°C -2.1°C - 100% 0.05kPa
Sat, Mar 14 Sunrise 06:04 Sunset 17:56
24:00
-3.4°C 1.1°C -1.8°C - 78% 0.06kPa
01:00
-3.5°C 1.1°C -2.4°C - 31% 0.04kPa
02:00
-3.4°C 1°C -2.6°C - 44% 0.03kPa
03:00
-3.2°C 1°C -2.5°C - 44% 0.03kPa
04:00
-3.4°C 0.96°C -2.6°C - 43% 0.03kPa
05:00
-3.7°C 0.84°C -2.6°C - 53% 0.04kPa
06:00
-3.8°C 0.67°C -2.6°C - 30% 0.05kPa
07:00
-3.7°C 0.48°C -1.8°C - 21% 0.07kPa
08:00
-4.4°C 0.48°C 0.15°C - 66% 0.18kPa
09:00
-4.3°C 0.48°C 1.8°C - 31% 0.25kPa
10:00
-4.2°C 0.48°C 3.5°C - 6% 0.33kPa
11:00
-3.7°C 0.48°C 4.6°C - 5% 0.38kPa
12:00
-2.8°C 0.48°C 5.4°C - 5% 0.4kPa
13:00
-2.2°C 0.48°C 5.7°C - 6% 0.39kPa
14:00
-1.8°C 0.58°C 5.5°C - 10% 0.37kPa
15:00
-1.6°C 0.97°C 4.7°C - 30% 0.31kPa
16:00
-1.5°C 1.6°C 3.3°C - 68% 0.23kPa
17:00
-1.6°C 1.8°C 1.6°C - 100% 0.14kPa
18:00
-1.3°C 1.8°C 0.65°C - 100% 0.08kPa
19:00
-1.3°C 1.7°C 0.35°C - 100% 0.07kPa
20:00
-1.1°C 1.6°C 0.11°C - 100% 0.05kPa
21:00
-1.6°C 1.6°C -0.39°C - 100% 0.05kPa
22:00
-2.1°C 1.5°C 0.39°C - 100% 0.11kPa
23:00
-2.4°C 1.5°C 0.56°C - 100% 0.12kPa
Sun, Mar 15 Sunrise 06:02 Sunset 17:56
24:00
-2.5°C 1.4°C 0.58°C - 94% 0.13kPa
01:00
-2.7°C 1.4°C 0.27°C - 95% 0.12kPa
02:00
-2.6°C 1.4°C 0.29°C - 98% 0.12kPa
03:00
-2.8°C 1.3°C 0.15°C - 96% 0.12kPa
04:00
-2.5°C 1.2°C -0.17°C - 96% 0.09kPa
05:00
-2°C 1.2°C -0.59°C - 98% 0.06kPa
06:00
-1.8°C 1.1°C -0.41°C - 99% 0.06kPa
07:00
-1.6°C 1.1°C 0.26°C - 100% 0.08kPa
08:00
-1.9°C 1.1°C 1°C - 100% 0.13kPa
09:00
-2.4°C 1.2°C 1.8°C - 100% 0.18kPa
10:00
-1.9°C 1.6°C 2.5°C - 96% 0.2kPa
11:00
-1.5°C 2.2°C 3.4°C - 80% 0.23kPa
12:00
-1.2°C 3°C 4.2°C - 53% 0.26kPa
13:00
-1.1°C 3.8°C 4.3°C - 45% 0.27kPa
14:00
-1°C 4.5°C 3.9°C - 45% 0.24kPa
15:00
-1.4°C 4.8°C 3.3°C - 46% 0.22kPa
16:00
-1.6°C 4.9°C 2.5°C - 69% 0.19kPa
17:00
-2.2°C 4.8°C 1.6°C - 98% 0.16kPa
18:00
-2.8°C 4.4°C 0.95°C - 99% 0.16kPa
19:00
-3.2°C 4.1°C 0.58°C - 99% 0.15kPa
20:00
-3.2°C 3.8°C 0.35°C - 94% 0.14kPa
21:00
-3°C 3.5°C 0.06°C - 70% 0.12kPa
22:00
-2.7°C 3.3°C -0.99°C - 28% 0.07kPa
23:00
-3.1°C 3.2°C -2°C - 28% 0.04kPa
Mon, Mar 16 Sunrise 06:01 Sunset 17:57
24:00
-3.4°C 3.1°C -2.3°C - 100% 0.04kPa
01:00
-3.5°C 3.1°C -2.4°C - 72% 0.04kPa
02:00
-3.7°C 3.1°C -2.9°C - 7% 0.03kPa
03:00
-4°C 3.1°C -3.2°C - 7% 0.03kPa
04:00
-4.1°C 2.8°C 0.45°C - 5% 0.18kPa
05:00
-5.9°C 2.5°C 4.1°C - 2% 0.43kPa
06:00
-11°C 2.1°C 7.8°C - 0% 0.79kPa
07:00
-10°C 2.2°C 7.6°C - 0% 0.76kPa
08:00
-9.3°C 2.2°C 7.4°C - 0% 0.73kPa
09:00
-8.5°C 2.2°C 7.2°C - 0% 0.69kPa
10:00
-6.8°C 2.2°C 4.5°C - 0% 0.48kPa
11:00
-6.1°C 2.3°C 1.8°C - 0% 0.31kPa
12:00
-6.1°C 2.3°C -0.87°C - 0% 0.19kPa
13:00
-7°C 2.3°C -1.7°C - 0% 0.18kPa
14:00
-7.8°C 2.3°C -2.5°C - 0% 0.17kPa
15:00
-8.7°C 2.3°C -3.3°C - 0% 0.16kPa
16:00
-8.4°C 2.2°C -3°C - 1% 0.17kPa
17:00
-8.2°C 2.2°C -2.7°C - 2% 0.17kPa
18:00
-8°C 2.1°C -2.4°C - 2% 0.18kPa
19:00
-7.6°C 2.1°C -2.2°C - 35% 0.17kPa
20:00
-7.2°C 2.1°C -2°C - 67% 0.17kPa
21:00
-6.8°C 2°C -1.9°C - 100% 0.16kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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