Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Iceland•Capital & Coast•Elev: 494m

Mosfellsbær East

Monday, September 28, 2026

4°C
Dense DrizzleFeels like 2°
H: 5°•L: 4°•Rain: 100%
Meteorological Synthesis

Dense Drizzle with highs near 5°C.

Precipitation expected over the coming days with variable skies.

Wind
5.2 km/h
Humidity
98%
UV Index
0.05 / 11
Pressure
985 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
4°
68%
6k
17:00
4°
65%
5k
18:00
4°
55%
7k
19:00
4°
53%
8k
20:00
5°
45%
8k
21:00
5°
35%
8k
22:00
5°
23%
6k
23:00
5°
13%
6k
00:00
5°
8%
6k
01:00
5°
0%
7k
02:00
5°
0%
6k
03:00
5°
0%
6k
04:00
4°
0%
7k
05:00
5°
0%
8k
06:00
5°
0%
9k
07:00
5°
20%
9k
08:00
5°
55%
10k
09:00
5°
88%
11k
10:00
5°
95%
13k
11:00
5°
93%
13k
12:00
6°
85%
13k
13:00
7°
80%
15k
14:00
8°
73%
14k
15:00
9°
70%
13k
16:00

Air Quality (AQI)

Fair
23EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
2.4 µg/m³
PM10
5.8 µg/m³
NO₂
0.1 µg/m³

UV Index

Max 0.2
0.05/ 11 (Moderate)

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

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

Wind

10m AGL
5.2km/h

Gusts up to 13 km/h.

Direction: 295°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:16
Sunset
18:53
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1003hPa (MSL)
Surface Pressure985 hPa
Cloud Cover95%

Humidity & Moisture

RH Ratio
98%
Current Rain0.2 mm
24h Rain Accumulation33.9 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 28
100%
4°
5°
Tomorrow
Sep 29
95%
4°
9°
Wed
Sep 30
68%
9°
11°
Thu
Oct 1
15%
8°
11°
Fri
Oct 2
25%
7°
8°
Sat
Oct 3
38%
6°
9°
Sun
Oct 4
48%
6°
8°
Mon
Oct 5
60%
3°
6°
Tue
Oct 6
53%
2°
3°
Wed
Oct 7
39%
2°
3°
Thu
Oct 8
57%
1°
5°
Fri
Oct 9
47%
3°
6°
Sat
Oct 10
45%
2°
6°
Sun
Oct 11
49%
2°
5°

Live Weather Radar — 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 East
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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