WeatherEU
Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

Significant moisture corridor approaching. Probability of localized street runoff and reduced visibility on transit corridors.

France•Nouvelle-Aquitaine•Elev: 877m

Arcachon Colli

lunedì 28 settembre 2026

15°C
OvercastFeels like 15°
H: 24°•L: 14°•Rain: 3%
Meteorological Synthesis

Overcast with highs near 24°C.

Precipitation expected over the coming days with variable skies.

Wind
1.1 km/h
Humidity
77%
UV Index
0 / 11
Pressure
936 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
15°
0%
4k
00:00
15°
0%
0k
01:00
14°
0%
1k
02:00
14°
0%
1k
03:00
15°
0%
3k
04:00
15°
0%
3k
05:00
14°
0%
3k
06:00
15°
0%
2k
07:00
14°
0%
2k
08:00
15°
0%
1k
09:00
17°
0%
3k
10:00
21°
0%
8k
11:00
23°
0%
10k
12:00
23°
0%
11k
13:00
24°
0%
12k
14:00
24°
0%
13k
15:00
24°
0%
13k
16:00
24°
0%
14k
17:00
23°
0%
11k
18:00
22°
0%
6k
19:00
19°
0%
6k
20:00
18°
0%
7k
21:00
18°
0%
8k
22:00
17°
3%
6k
23:00

Air Quality (AQI)

Fair
25EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
4.9 µg/m³
PM10
8.4 µg/m³
NO₂
1.4 µg/m³

UV Index

Max 4.3
0/ 11 (Moderate)

Low to moderate exposure. Sunglasses recommended during peak afternoon hours.

0 (Low)6 (High)11+ (Extreme)

Wind

10m AGL
1.1km/h

Gusts up to 5 km/h.

Direction: 198°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:45
Sunset
19:37
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1020hPa (MSL)
Surface Pressure936 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
77%
Current Rain0 mm
24h Rain Accumulation0 mm

Alpine & Mountain Snow Telemetry

High-altitude resort & pass conditions (877m ASL)

Alpine High-Res Model
Base Snow Depth
25 cm
Packed Powder
Summit Snow Depth
55 cm
Dry Crystalline
0°C Freezing Level
3169 m
Atmospheric Isotherm
Avalanche Risk
Level 2
Moderate (EAWS Grade)

14-Day Detailed Outlook

14-Day Deterministic Model
Today
28 set
-
14°
24°
Tomorrow
29 set
-
15°
24°
Wed
30 set
85%
15°
19°
Thu
1 ott
85%
11°
17°
Fri
2 ott
-
8°
19°
Sat
3 ott
14%
9°
20°
Sun
4 ott
25%
13°
15°
Mon
5 ott
25%
11°
18°
Tue
6 ott
27%
6°
20°
Wed
7 ott
35%
12°
16°
Thu
8 ott
22%
9°
17°
Fri
9 ott
25%
7°
16°
Sat
10 ott
22%
7°
14°
Sun
11 ott
27%
6°
13°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in France

Regional Grid

Live Ground-Truth Observation Feed

Peer-verified reports logged by spotters and automated PWS stations across Europe

Real-time Ingestion
Log Local Ground ConditionStep 1 of 2: Select condition
Arcachon Colli
Ground Temp:°C

Observations undergo peer verification by regional spotters and enrich city telemetry.

Filter:
6 reports
S
Stefan MüllerAlpine Master SpotterAlps
Garmisch-Partenkirchen, Germany•Recent
15°C•Partly Cloudy

“Crisp morning air around Zugspitze valley station, golden sun breaking through light morning mountain mist. Zero wind, visibility > 35km.”

Ground-Truth Telemetry
C
Chloé DuboisCoastal Maritime SpotterAtlantic
Le Havre, France•Recent
14°C•Rain / Showers

“Fresh Atlantic westerly gale picking up, moderate sea swell (2.2m). Light intermittent drizzle across the harbor piers.”

Ground-Truth Telemetry
D
Dr. Alessandro RivaHigh Alpine ObserverAlps
Cortina d’Ampezzo, Italy•Recent
9°C•Clear Sky

“First seasonal frost dusting on peaks above 2,600m. Crisp alpine sky with cirrus uncinus approaching from the west.”

Ground-Truth Telemetry
M
Matteo RossiMediterranean SpotterMediterranean
Rome, Italy•Recent
22°C•Clear Sky

“Warm evening breeze across Piazza Navona. Pleasant 22°C with dry conditions and comfortable humidity around 48%.”

Ground-Truth Telemetry
E
Emre KayaBosporus Weather StationMediterranean
Istanbul, Turkey•Recent
21°C•Partly Cloudy

“Bosphorus breeze is cool and refreshing from the Black Sea. Crystal blue sky with passing white cumulus clouds at 1,200m.”

Ground-Truth Telemetry
A
Astrid LindholmFjord Atmospheric LabNordic
Bergen, Norway•Recent
11°C•Dense Fog

“Low scud clouds drifting over Mount Fløyen. Typical Atlantic marine layer with fine mist and 98% relative humidity.”

Ground-Truth Telemetry

Guide Consigliate & Articoli Correlati • Arcachon Colli

Guide approfondite di oltre 1.500 parole dedicate al patrimonio culinario, monumenti UNESCO e clima locale in tutti i 44 paesi europei.

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