Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Ground Frost & Sub-Zero Risk

Overnight lows dipping below 0°C. Potential icy patches on elevated highway overpasses and bridges.

Iceland•Capital & Coast•Elev: 449m

Mosfellsbær Flussbecken

Sonntag, 27. September 2026

2°C
NebelGefühlt wie -1°
H: 3°•L: 1°•Rain: 100%
Meteorological Synthesis

Nebel with highs near 3°C.

Precipitation expected over the coming days with variable skies.

Wind
7.6 km/h
Luftfeuchtigkeit
99%
UV-Index
0 / 11
Luftdruck
916 hPa

24-Stunden-Meteogramm

24 Hours Ahead
2°
15%
8k
22:00
2°
45%
7k
23:00
2°
83%
5k
00:00
2°
90%
6k
01:00
2°
93%
9k
02:00
1°
98%
11k
03:00
1°
98%
10k
04:00
0°
100%
8k
05:00
0°
100%
5k
06:00
0°
98%
3k
07:00
0°
93%
3k
08:00
0°
95%
4k
09:00
0°
95%
4k
10:00
1°
90%
5k
11:00
1°
88%
5k
12:00
1°
85%
4k
13:00
1°
85%
5k
14:00
1°
80%
5k
15:00
0°
78%
5k
16:00
0°
83%
3k
17:00
0°
83%
1k
18:00
0°
78%
2k
19:00
0°
73%
3k
20:00
0°
68%
4k
21:00

Luftqualität (AQI)

Good
13EAQI Index

Air quality is considered satisfactory, and air pollution poses little or no risk.

PM2.5
1.5 µg/m³
PM10
2.3 µg/m³
NO₂
0.7 µg/m³

UV-Index

Max 0.6
0/ 11 (Moderate)

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

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

Wind

10m AGL
7.6km/h

Böen bis zu 20.9 km/h.

Direction: 45°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sonnenaufgang
07:13
Sonnenuntergang
18:57
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Luftdruck

Stable High
992hPa (MSL)
Surface Pressure916 hPa
Cloud Cover99%

Luftfeuchtigkeit & Moisture

RH Ratio
99%
Current Rain0 mm
24h Rain Accumulation4.1 mm

14-Tage-Aussicht

14-Day Deterministic Model
Today
27. Sept.
100%
1°
3°
Tomorrow
28. Sept.
100%
0°
2°
Tue
29. Sept.
90%
1°
6°
Wed
30. Sept.
74%
6°
8°
Thu
1. Okt.
15%
5°
8°
Fri
2. Okt.
19%
3°
4°
Sat
3. Okt.
15%
1°
5°
Sun
4. Okt.
37%
1°
7°
Mon
5. Okt.
47%
2°
5°
Tue
6. Okt.
45%
2°
4°
Wed
7. Okt.
37%
-1°
2°
Thu
8. Okt.
41%
-1°
6°
Fri
9. Okt.
43%
2°
5°
Sat
10. Okt.
43%
2°
6°

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
Mosfellsbær Flussbecken
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

Empfohlene Reiseführer & Analysen • Mosfellsbær Flussbecken

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