Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Luxembourg•Cantons of Luxembourg•Elev: 801m

Vianden Biosphärenreservat

Dienstag, 29. September 2026

21°C
Teilweise bewölktGefühlt wie 19°
H: 24°•L: 16°•Rain: 0%
Meteorological Synthesis

Teilweise bewölkt with highs near 24°C.

Precipitation expected over the coming days with variable skies.

Wind
16.2 km/h
Luftfeuchtigkeit
50%
UV-Index
0.45 / 11
Luftdruck
994 hPa

24-Stunden-Meteogramm

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

Luftqualität (AQI)

Fair
32EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
11 µg/m³
PM10
14.1 µg/m³
NO₂
10.3 µg/m³

UV-Index

Max 2.7
0.45/ 11 (Moderate)

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

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

Wind

10m AGL
16.2km/h

Böen bis zu 36.4 km/h.

Direction: 163°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sonnenaufgang
07:29
Sonnenuntergang
19:14
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Luftdruck

Stable High
1019hPa (MSL)
Surface Pressure994 hPa
Cloud Cover72%

Luftfeuchtigkeit & Moisture

RH Ratio
50%
Current Rain0 mm
24h Rain Accumulation0 mm

Alpine & Mountain Snow Telemetry

High-altitude resort & pass conditions (801m ASL)

Alpine High-Res Model
Base Snow Depth
25 cm
Packed Powder
Summit Snow Depth
55 cm
Dry Crystalline
0°C Freezing Level
4016 m
Atmospheric Isotherm
Avalanche Risk
Level 2
Moderate (EAWS Grade)

14-Tage-Aussicht

14-Day Deterministic Model
Today
29. Sept.
-
16°
24°
Tomorrow
30. Sept.
-
20°
26°
Thu
1. Okt.
79%
15°
23°
Fri
2. Okt.
52%
12°
18°
Sat
3. Okt.
16%
9°
20°
Sun
4. Okt.
12%
11°
19°
Mon
5. Okt.
-
9°
17°
Tue
6. Okt.
16%
13°
18°
Wed
7. Okt.
16%
10°
19°
Thu
8. Okt.
20%
8°
13°
Fri
9. Okt.
17%
9°
13°
Sat
10. Okt.
20%
9°
14°
Sun
11. Okt.
25%
10°
15°
Mon
12. Okt.
28%
7°
11°

Live-Wetterradar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

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
Vianden Biosphärenreservat
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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