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Rule Fog Hunter

Fog Hunter Forecast for Angra do Heroísmo, Azores

Angra do Heroísmo, Azores, Portugal

Angra do Heroísmo's gridded streets run between colourful facades and tiled roofs. Monte Brasil and the twin church towers anchor wider views across the historic city.

Currently

Real-time conditions
Fog Probability
0%
Dewpoint Spread7.8°C
Visibility24134 (Clear)
Relative Humidity61%
Wind Speed5.2m/s (moderate winds)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Atlantic/Azores

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (85-hour forecast)

  • Fog Probability100% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Fog Hunter conditions across Azores. The requirements and hourly values below show how those signals apply at Angra do Heroísmo.

Explore Fog Hunter conditions across Azores →

Recorded match history

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

Last 30 days
0
recorded matching windows
Last 90 days
7
recorded matching windows · 98% average confidence
Last 365 days
10
recorded matching windows · 91% average confidence
Most frequent recorded start hour

01:00 local time, shared by 3 of 10 matches recorded in the last 365 days.

Most represented month

May, with 6 of 10 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
0matching hours in the next 85 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Atlantic/Azores
Fog Probability
≥ 75.0%
Sat, Aug 22
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Sun, Aug 23
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Aug 24
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, Aug 25
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
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
Atlantic/Azores
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sat, Aug 22 Sunrise 07:09 Sunset 20:33
19:00
25% 12°C 0mm 61% 0cm 17° 19°C 0mm 0.87kPa 24134m 6.8m/s 5.2m/s
20:00
45% 12°C 0mm 66% 0cm 5.7° 19°C 0mm 0.74kPa 24135m 6.5m/s 4.7m/s
21:00 ☾
66% 12°C 0.01mm 68% 0cm -5.7° 18°C 0mm 0.65kPa 24135m 6.5m/s 4.6m/s
22:00 ☾
68% 12°C 0mm 68% 0cm -16° 18°C 0mm 0.65kPa 24134m 6.2m/s 4.4m/s
23:00 ☾
69% 12°C 0mm 71% 0cm -26° 18°C 0mm 0.59kPa 24134m 6m/s 4.3m/s
Sun, Aug 23 Sunrise 07:10 Sunset 20:32
24:00 ☾
71% 13°C 0mm 74% 0cm -33° 18°C 0.06mm 0.54kPa 24134m 6m/s 4.3m/s
01:00 ☾
62% 13°C 0mm 70% 0cm -38° 18°C 0.06mm 0.63kPa 24134m 5.7m/s 4m/s
02:00 ☾
54% 12°C 0mm 66% 0cm -40° 19°C 0.06mm 0.72kPa 24134m 5.4m/s 4.1m/s
03:00 ☾
45% 12°C 0mm 68% 0cm -37° 18°C 0.06mm 0.67kPa 24134m 5.4m/s 4m/s
04:00 ☾
42% 13°C 0mm 73% 0cm -32° 18°C 0.13mm 0.54kPa 24134m 5.5m/s 3.8m/s
05:00 ☾
40% 13°C 0mm 76% 0cm -23° 18°C 0.13mm 0.48kPa 24135m 5.8m/s 4.1m/s
06:00 ☾
37% 13°C 0mm 74% 0cm -14° 18°C 0.19mm 0.53kPa 24135m 5.9m/s 4.3m/s
07:00 ☾
38% 12°C 0mm 70% 0cm -2.6° 18°C 0mm 0.6kPa 24135m 5.7m/s 4m/s
08:00
40% 12°C 0mm 69% 0cm 8.8° 18°C 0mm 0.63kPa 24134m 5.5m/s 3.9m/s
09:00
41% 12°C 0mm 64% 0cm 20° 19°C 0.06mm 0.79kPa 24134m 5.2m/s 4.1m/s
10:00
39% 12°C 0mm 63% 0cm 32° 20°C 0.06mm 0.86kPa 24134m 4.9m/s 3.8m/s
11:00
38% 13°C 0mm 61% 0cm 43° 20°C 0.06mm 0.93kPa 24135m 4.7m/s 4.1m/s
12:00
36% 13°C 0mm 62% 0cm 53° 20°C 0.06mm 0.89kPa 24135m 4.2m/s 3.9m/s
13:00
48% 13°C 0mm 62% 0cm 60° 20°C 0mm 0.91kPa 24135m 3.6m/s 3.2m/s
14:00
59% 13°C 0mm 58% 0cm 63° 21°C 0mm 1kPa 24134m 3.2m/s 3.2m/s
15:00
71% 13°C 0mm 58% 0cm 59° 22°C 0mm 1.1kPa 24135m 3.4m/s 3.9m/s
16:00
70% 13°C 0.01mm 58% 0cm 50° 21°C 0.06mm 1.1kPa 24135m 2.9m/s 3.3m/s
17:00
68% 13°C 0mm 59% 0cm 40° 21°C 0.06mm 1kPa 24134m 2.6m/s 3m/s
18:00
67% 13°C 0mm 60% 0cm 29° 21°C 0.06mm 0.97kPa 24135m 2.3m/s 2.6m/s
19:00
73% 13°C 0mm 63% 0cm 17° 20°C 0mm 0.88kPa 24134m 2.3m/s 2.7m/s
20:00
79% 13°C 0mm 67% 0cm 5.5° 19°C 0mm 0.72kPa 24134m 3.1m/s 2.6m/s
21:00 ☾
85% 13°C 0mm 71% 0cm -5.9° 18°C 0mm 0.58kPa 24134m 3m/s 2.3m/s
22:00 ☾
87% 13°C 0mm 73% 0cm -17° 17°C 0mm 0.53kPa 24134m 3m/s 2.3m/s
23:00 ☾
88% 13°C 0mm 75% 0cm -26° 17°C 0mm 0.49kPa 24134m 2.9m/s 2.3m/s
Mon, Aug 24 Sunrise 07:11 Sunset 20:30
24:00 ☾
90% 13°C 0mm 76% 0cm -34° 17°C 0mm 0.46kPa 24134m 3.2m/s 2.3m/s
01:00 ☾
86% 13°C 0mm 77% 0cm -39° 17°C 0mm 0.43kPa 24134m 2.8m/s 2.2m/s
02:00 ☾
82% 13°C 0mm 78% 0cm -40° 17°C 0mm 0.41kPa 24134m 2.9m/s 2.4m/s
03:00 ☾
78% 13°C 0mm 79% 0cm -38° 17°C 0mm 0.41kPa 24135m 3.3m/s 2.6m/s
04:00 ☾
71% 13°C 0mm 79% 0cm -32° 17°C 0mm 0.41kPa 24134m 3.6m/s 2.8m/s
05:00 ☾
64% 14°C 0mm 79% 0cm -24° 17°C 0mm 0.41kPa 24134m 3.9m/s 2.9m/s
06:00 ☾
57% 14°C 0mm 82% 0cm -14° 17°C 0mm 0.36kPa 24134m 4.5m/s 3.2m/s
07:00 ☾
41% 15°C 0mm 82% 0cm -2.8° 18°C 0mm 0.36kPa 24134m 4.7m/s 3.4m/s
08:00
26% 15°C 0mm 79% 0cm 8.7° 19°C 0mm 0.45kPa 24135m 4.7m/s 3.4m/s
09:00
10% 15°C 0mm 76% 0cm 20° 20°C 0mm 0.54kPa 24135m 4.9m/s 3.4m/s
10:00
7% 17°C 0mm 79% 0cm 32° 20°C 0.06mm 0.49kPa 17209m 5.7m/s 3.8m/s
11:00
4% 19°C 0mm 86% 0cm 43° 21°C 0.31mm 0.34kPa 18522m 7m/s 4.2m/s
12:00
1% 19°C 0mm 89% 0cm 53° 21°C 0.5mm 0.27kPa 18685m 6.8m/s 4.1m/s
13:00
8% 19°C 0mm 83% 0cm 60° 22°C 0.19mm 0.45kPa 15194m 6.8m/s 5.1m/s
14:00
15% 19°C 0mm 78% 0cm 62° 23°C 0.44mm 0.64kPa 19189m 6.2m/s 5m/s
15:00
22% 19°C 0mm 78% 0cm 58° 23°C 0.75mm 0.64kPa 17843m 6.2m/s 4.8m/s
16:00
25% 19°C 0mm 76% 0cm 50° 24°C 0.88mm 0.69kPa 19985m 6m/s 4.7m/s
17:00
27% 19°C 0mm 77% 0cm 40° 23°C 1mm 0.66kPa 24134m 6.3m/s 4.7m/s
18:00
30% 19°C 0mm 79% 0cm 28° 23°C 1.1mm 0.57kPa 23100m 5.6m/s 4.4m/s
19:00
41% 19°C 0mm 83% 0cm 17° 22°C 0.19mm 0.43kPa 24134m 4.6m/s 3.6m/s
20:00
52% 19°C 0mm 87% 0cm 5.2° 21°C 0.31mm 0.32kPa 23111m 4.2m/s 3.3m/s
21:00 ☾
63% 18°C 0mm 90% 0cm -6.2° 20°C 0.44mm 0.25kPa 22917m 4.2m/s 3.2m/s
22:00 ☾
65% 18°C 0mm 91% 0cm -17° 20°C 0.63mm 0.22kPa 21739m 4.5m/s 3.6m/s
23:00 ☾
67% 18°C 0.01mm 91% 0cm -26° 20°C 0.75mm 0.2kPa 17237m 5.7m/s 4.4m/s
Tue, Aug 25 Sunrise 07:12 Sunset 20:29
24:00 ☾
69% 18°C 0.16mm 90% 0cm -34° 20°C 0.94mm 0.23kPa 20067m 5.9m/s 4.7m/s
01:00 ☾
71% 17°C 0.12mm 82% 0cm -39° 20°C 0.63mm 0.42kPa 21423m 6.5m/s 5.4m/s
02:00 ☾
73% 16°C 0.07mm 74% 0cm -41° 20°C 0.31mm 0.62kPa 22779m 7.1m/s 6.1m/s
03:00 ☾
75% 14°C 0.03mm 66% 0cm -38° 21°C 0mm 0.83kPa 24135m 7.6m/s 6.9m/s
04:00 ☾
71% 14°C 0.02mm 65% 0cm -32° 21°C 0.04mm 0.87kPa 24135m 7.6m/s 7m/s
05:00 ☾
68% 14°C 0.01mm 64% 0cm -24° 21°C 0.08mm 0.92kPa 24135m 7.6m/s 7m/s
06:00 ☾
64% 14°C 0mm 63% 0cm -14° 22°C 0.13mm 0.96kPa 24135m 7.6m/s 7.1m/s
07:00 ☾
51% 14°C 0.003mm 63% 0cm -2.9° 22°C 0.13mm 0.95kPa 24135m 7.4m/s 7.1m/s
08:00
39% 14°C 0.007mm 63% 0cm 8.5° 22°C 0.13mm 0.94kPa 24135m 7.2m/s 7m/s
09:00
26% 14°C 0.01mm 64% 0cm 20° 22°C 0.13mm 0.93kPa 24135m 7m/s 7m/s
10:00
23% 14°C 0.01mm 63% 0cm 32° 22°C 0.13mm 0.97kPa 24135m 6.7m/s 6.5m/s
11:00
20% 14°C 0.01mm 61% 0cm 43° 22°C 0.13mm 1kPa 24135m 6.4m/s 6.1m/s
12:00
17% 14°C 0.01mm 60% 0cm 53° 22°C 0.13mm 1.1kPa 24135m 6.1m/s 5.6m/s
13:00
21% 15°C 0.007mm 63% 0cm 60° 22°C 0.13mm 0.99kPa 24135m 6.8m/s 6.3m/s
14:00
24% 15°C 0.003mm 65% 0cm 62° 22°C 0.13mm 0.91kPa 24135m 7.5m/s 7.1m/s
15:00
28% 16°C 0mm 68% 0cm 58° 22°C 0.13mm 0.84kPa 24135m 8.1m/s 7.8m/s
16:00
27% 15°C 0mm 66% 0cm 50° 22°C 0.15mm 0.88kPa 24135m 7.7m/s 7.2m/s
17:00
27% 14°C 0mm 64% 0cm 39° 22°C 0.17mm 0.93kPa 24135m 7.3m/s 6.7m/s
18:00
26% 14°C 0mm 62% 0cm 28° 21°C 0.19mm 0.98kPa 24135m 6.8m/s 6.2m/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.

How opportunities work → Weather data sources →
Forecast generated

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