Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Switzerland•Romandie & Ticino•Elev: 1288m

Geneva Biosphere Reserve

Tuesday, September 29, 2026

20°C
Mainly ClearFeels like 19°
H: 20°•L: 14°•Rain: 0%
Meteorological Synthesis

Mainly Clear with highs near 20°C.

Precipitation expected over the coming days with variable skies.

Wind
2.5 km/h
Humidity
47%
UV Index
0.8 / 11
Pressure
898 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
20°
0%
5k
15:00
20°
0%
4k
16:00
20°
0%
3k
17:00
19°
0%
1k
18:00
17°
0%
3k
19:00
16°
0%
6k
20:00
15°
0%
8k
21:00
16°
0%
7k
22:00
16°
0%
6k
23:00
17°
0%
7k
00:00
16°
0%
6k
01:00
15°
0%
7k
02:00
16°
0%
7k
03:00
15°
0%
7k
04:00
15°
0%
9k
05:00
14°
0%
9k
06:00
14°
0%
9k
07:00
15°
0%
8k
08:00
18°
0%
4k
09:00
19°
0%
3k
10:00
19°
0%
4k
11:00
20°
3%
5k
12:00
21°
0%
5k
13:00
21°
0%
7k
14:00

Air Quality (AQI)

Fair
40EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
6.1 µg/m³
PM10
10.7 µg/m³
NO₂
1.7 µg/m³

UV Index

Max 4.1
0.8/ 11 (Moderate)

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

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

Wind

10m AGL
2.5km/h

Gusts up to 11.9 km/h.

Direction: 315°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:20
Sunset
19:08
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1021hPa (MSL)
Surface Pressure898 hPa
Cloud Cover13%

Humidity & Moisture

RH Ratio
47%
Current Rain0 mm
24h Rain Accumulation0 mm

Alpine & Mountain Snow Telemetry

High-altitude resort & pass conditions (1288m ASL)

Alpine High-Res Model
Base Snow Depth
25 cm
Packed Powder
Summit Snow Depth
55 cm
Dry Crystalline
0°C Freezing Level
4334 m
Atmospheric Isotherm
Avalanche Risk
Level 2
Moderate (EAWS Grade)

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 29
-
14°
20°
Tomorrow
Sep 30
-
14°
21°
Thu
Oct 1
91%
14°
18°
Fri
Oct 2
81%
13°
18°
Sat
Oct 3
-
14°
18°
Sun
Oct 4
19%
12°
15°
Mon
Oct 5
20%
10°
16°
Tue
Oct 6
-
8°
18°
Wed
Oct 7
26%
7°
15°
Thu
Oct 8
45%
8°
13°
Fri
Oct 9
40%
6°
11°
Sat
Oct 10
26%
8°
15°
Sun
Oct 11
22%
5°
9°
Mon
Oct 12
25%
3°
8°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in Switzerland

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
Geneva Biosphere Reserve
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

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