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Rule Cloudscapes

Cloudscapes Forecast for Hanoi, Vietnam

Hanoi, Hanoi, Vietnam

The view layers Hanoi's scooters, narrow facades and overhead wires along Old Quarter streets, or use lakeside trees to frame temples and colonial buildings.

Currently

Real-time conditions
Cloud Cover100%
Wind Gusts14.3m/s
Precipitation Chance100%
Air Pressure996.6hPa

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Bangkok
cloudscapes weather icon
Next opportunity
Dramatic Cloud Drama
Hanoi
Tomorrow · 07:00–09:00 · 2h window
High confidence
91%
☁️Cloud Drama Score100%
Cloud Cover: 75%
Wind Gusts: 4.1m/s
Precipitation Chance: 100%
Air Pressure: 1000.1hPa
cloudscapes weather icon
Dramatic Cloud Drama at Sunset
Hanoi
Wed, Aug 26 · 17:00–19:00
☁️Cloud Drama Score:83.2-100%
High
cloudscapes weather icon
Dramatic Cloud Drama
Hanoi
Wed, Aug 26 · 19:00–20:00
☁️Cloud Drama Score:100%
Medium
cloudscapes weather icon
Striking Cloud Drama
Hanoi
Thu, Aug 27 · 19:00–20:00
☁️Cloud Drama Score:76.7%
Low

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Cloudscapes conditions across Vietnam. The requirements and hourly values below show how those signals apply at Hanoi.

Explore Cloudscapes conditions across Vietnam →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Hanoi during the last 365 days.

Last 30 days
23
recorded matching windows · 72% average confidence
Last 90 days
33
recorded matching windows · 70% average confidence
Last 365 days
50
recorded matching windows · 68% average confidence
Most frequent recorded start hour

19:00 local time, shared by 8 of 50 matches recorded in the last 365 days.

Most represented month

July, with 15 of 50 matches recorded in the last 365 days.

These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.

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85-hour requirements breakdown

When available, the detailed table below covers only the stated 85-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.

What passed or failed, hour by hour
2matching hours in the next 85 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Asia/Bangkok
Cloud Drama Score
≥ 75.0%
Sat, Aug 22
12:0039%
13:0039%
14:0058%
15:0055%
16:0055%
17:0062%
18:0062%
19:0062%
20:000%
21:000%
22:000%
23:000%
Sun, Aug 23
24:000%
01:000%
02:000%
03:000%
04:000%
05:0065%
06:0065%
07:0065%
08:0060%
09:0060%
10:0060%
11:0047%
12:0047%
13:0048%
14:0060%
15:0058%
16:0058%
17:0043%
18:0062%
19:0062%
20:000%
21:000%
22:000.8%
23:003.1%
Mon, Aug 24
24:003.9%
01:000.3%
02:000.5%
03:000.5%
04:001%
05:0051%
06:0056%
07:00100%
08:00100%
09:0074%
10:0055%
11:0033%
12:0033%
13:0029%
14:0039%
15:0036%
16:0034%
17:0043%
18:0023%
19:0022%
20:000%
21:000%
22:000%
23:000%
Tue, Aug 25
24:000%
01:000.1%
02:000.4%
03:000.2%
04:000.6%
05:0053%
06:0052%
07:0049%
08:0045%
09:0045%
10:0053%
11:0039%
12:0033%
13:0033%
14:0053%
15:0053%
16:0051%
17:0060%
18:0060%
19:0060%
20:000%
21:000%
22:000%
23:000%
Wed, Aug 26
24:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Cloud Drama Score 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/Bangkok
Air Pressure
hPa
High Clouds
%
Low Clouds
%
Mid-Level Clouds
%
Precipitation Chance
%
Relative Humidity
%
Solar Elevation
°
Total Cloud Coverage
%
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sun, Aug 23 Sunrise 05:37 Sunset 18:21
03:00
997hPa 100% 95% 100% 100% 95% -35° 100% 9793m 14m/s 5.7m/s
04:00
997hPa 100% 100% 100% 100% 96% -23° 100% 5126m 14m/s 5.8m/s
05:00
997hPa 100% 100% 100% 100% 97% -9.3° 100% 3957m 13m/s 4.7m/s
06:00
998hPa 100% 100% 100% 99% 98% 4.4° 100% 4381m 12m/s 4.3m/s
07:00
998hPa 100% 100% 100% 99% 98% 18° 100% 3494m 11m/s 4.8m/s
08:00
997hPa 100% 100% 100% 94% 98% 32° 100% 2297m 13m/s 6.1m/s
09:00
997hPa 100% 100% 100% 88% 98% 46° 100% 1107m 13m/s 7.2m/s
10:00
996hPa 100% 100% 100% 83% 98% 60° 100% 1365m 14m/s 7.7m/s
11:00
996hPa 100% 100% 100% 85% 98% 73° 100% 1566m 15m/s 7.5m/s
12:00
995hPa 100% 100% 100% 88% 97% 80° 100% 1863m 15m/s 8.1m/s
13:00
995hPa 100% 100% 100% 91% 97% 73° 100% 1800m 15m/s 8m/s
14:00
995hPa 100% 100% 100% 93% 97% 60° 100% 2308m 13m/s 6.6m/s
15:00
995hPa 100% 100% 93% 95% 97% 46° 100% 2516m 12m/s 6m/s
16:00
995hPa 100% 100% 26% 98% 97% 32° 100% 4653m 10m/s 5.1m/s
17:00
996hPa 100% 99% 9% 98% 96% 18° 100% 9450m 9.2m/s 4.8m/s
18:00
997hPa 100% 92% 14% 99% 96% 4.1° 100% 17132m 7.5m/s 4.1m/s
19:00
998hPa 100% 77% 74% 100% 96% -9.7° 100% 22604m 7.4m/s 4.3m/s
20:00
998hPa 100% 96% 35% 100% 96% -23° 100% 24135m 7.5m/s 3.9m/s
21:00
999hPa 100% 97% 8% 100% 95% -35° 100% 24134m 7.1m/s 3.4m/s
22:00
1000hPa 100% 99% 0% 100% 95% -46° 100% 24135m 7.3m/s 3.4m/s
23:00
1000hPa 100% 100% 4% 100% 96% -55° 100% 24135m 7.4m/s 3.5m/s
Mon, Aug 24 Sunrise 05:37 Sunset 18:20
24:00
999hPa 100% 100% 3% 99% 96% -58° 100% 22272m 7.7m/s 3.6m/s
01:00
999hPa 100% 100% 2% 99% 96% -54° 100% 21468m 7.8m/s 3.6m/s
02:00
998hPa 100% 98% 26% 97% 96% -46° 100% 21435m 7.8m/s 4m/s
03:00
998hPa 100% 86% 6% 95% 96% -35° 100% 24134m 7m/s 4m/s
04:00
998hPa 100% 66% 2% 94% 96% -23° 100% 24134m 6.4m/s 3.5m/s
05:00
999hPa 100% 34% 0% 96% 97% -9.4° 100% 23713m 5.2m/s 2.4m/s
06:00
999hPa 97% 37% 0% 98% 97% 4.4° 97% 24041m 4m/s 1.9m/s
07:00
1000hPa 61% 64% 29% 100% 93% 18° 75% 22960m 4.1m/s 2.1m/s
08:00
1001hPa 46% 10% 73% 100% 87% 32° 77% 24134m 3.4m/s 2m/s
09:00
1001hPa 63% 4% 72% 100% 80% 46° 80% 24134m 3m/s 1.8m/s
10:00
1001hPa 99% 11% 44% 100% 74% 60° 99% 22239m 2.4m/s 1.4m/s
11:00
1000hPa 99% 22% 5% 100% 69% 73° 99% 21176m 2.2m/s 1.5m/s
12:00
999hPa 93% 44% 5% 100% 69% 80° 94% 7356m 2m/s 1.8m/s
13:00
998hPa 100% 37% 3% 100% 71% 72° 100% 5870m 1.8m/s 1.3m/s
14:00
997hPa 100% 40% 1% 88% 71% 59° 100% 6090m 1.4m/s 1.1m/s
15:00
997hPa 100% 28% 0% 77% 73% 46° 100% 7589m 1.7m/s 1.6m/s
16:00
997hPa 100% 25% 0% 66% 76% 32° 100% 14838m 1.9m/s 1.8m/s
17:00
997hPa 100% 19% 0% 72% 80% 18° 100% 24134m 1.9m/s 1.7m/s
18:00
998hPa 100% 0% 1% 79% 87% 3.9° 100% 3588m 2.1m/s 1.7m/s
19:00
998hPa 100% 0% 5% 86% 92% -9.9° 100% 6858m 2.4m/s 1.9m/s
20:00
999hPa 100% 3% 13% 88% 92% -23° 100% 12266m 3.2m/s 2.3m/s
21:00
1000hPa 100% 17% 2% 90% 92% -36° 100% 24135m 2.5m/s 1.9m/s
22:00
1000hPa 100% 25% 1% 92% 91% -47° 100% 24134m 1.7m/s 1.6m/s
23:00
1000hPa 100% 26% 4% 90% 91% -55° 100% 24135m 1.3m/s 1.3m/s
Tue, Aug 25 Sunrise 05:38 Sunset 18:19
24:00
1000hPa 100% 23% 3% 87% 92% -58° 100% 24134m 1.5m/s 1.4m/s
01:00
999hPa 100% 19% 14% 84% 92% -55° 100% 17369m 1.1m/s 1m/s
02:00
999hPa 100% 6% 58% 71% 95% -46° 100% 17775m 0.71m/s 0.65m/s
03:00
999hPa 100% 8% 13% 57% 94% -35° 100% 17755m 0.23m/s 0.14m/s
04:00
999hPa 100% 3% 5% 44% 95% -23° 100% 9379m 0.4m/s 0.39m/s
05:00
999hPa 100% 0% 30% 58% 95% -9.5° 100% 21873m 1.1m/s 1.1m/s
06:00
1000hPa 100% 0% 64% 72% 95% 4.3° 100% 24134m 1.7m/s 1.5m/s
07:00
1000hPa 100% 2% 95% 86% 94% 18° 100% 16458m 2.4m/s 1.6m/s
08:00
999hPa 100% 6% 80% 89% 89% 32° 100% 13253m 3m/s 2m/s
09:00
998hPa 100% 10% 65% 91% 83% 46° 100% 10049m 3.6m/s 2.4m/s
10:00
997hPa 100% 14% 50% 93% 78% 60° 100% 6844m 4.1m/s 2.8m/s
11:00
998hPa 100% 11% 55% 95% 82% 73° 100% 12608m 4.1m/s 2.7m/s
12:00
998hPa 100% 8% 60% 97% 86% 80° 100% 18371m 4.1m/s 2.6m/s
13:00
998hPa 100% 5% 65% 98% 90% 72° 100% 24135m 4.1m/s 2.5m/s
14:00
999hPa 100% 11% 54% 89% 91% 59° 100% 20379m 3.3m/s 2.1m/s
15:00
1000hPa 100% 18% 43% 80% 91% 45° 100% 16624m 2.4m/s 1.8m/s
16:00
1000hPa 100% 24% 32% 70% 92% 31° 100% 12868m 1.5m/s 1.4m/s
17:00
1000hPa 100% 24% 54% 75% 93% 17° 100% 10612m 1.6m/s 1.4m/s
18:00
1000hPa 100% 23% 76% 79% 94% 3.7° 100% 8355m 1.7m/s 1.5m/s
19:00
999hPa 100% 22% 98% 83% 95% -10° 100% 6099m 1.8m/s 1.5m/s
20:00
999hPa 100% 19% 91% 80% 95% -23° 100% 10737m 3.1m/s 1.9m/s
21:00
999hPa 100% 16% 85% 77% 95% -36° 100% 15376m 4.4m/s 2.2m/s
22:00
999hPa 100% 13% 78% 74% 96% -47° 100% 20014m 5.7m/s 2.6m/s
23:00
999hPa 100% 39% 85% 76% 96% -55° 100% 17908m 5.7m/s 2.7m/s
Wed, Aug 26 Sunrise 05:38 Sunset 18:18
24:00
1000hPa 100% 65% 93% 77% 96% -58° 100% 15802m 5.6m/s 2.8m/s
01:00
1001hPa 100% 91% 100% 79% 97% -55° 100% 13695m 5.5m/s 3m/s
02:00
1001hPa 100% 80% 100% 76% 96% -47° 100% 15033m 6.3m/s 3.6m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

Forecast generated

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