Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Norway•Southern & Western Fjords•Elev: 423m

Tønsberg Airport Telemetry

Wednesday, September 30, 2026

5°C
Light DrizzleFeels like 2°
H: 5°•L: 3°•Rain: 53%
Meteorological Synthesis

Light Drizzle with highs near 5°C.

Precipitation expected over the coming days with variable skies.

Wind
12.2 km/h
Humidity
100%
UV Index
0.3 / 11
Pressure
885 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
5°
29%
14k
11:00
5°
40%
14k
12:00
5°
50%
13k
13:00
5°
53%
12k
14:00
5°
40%
14k
15:00
5°
20%
15k
16:00
5°
4%
16k
17:00
5°
0%
16k
18:00
5°
0%
16k
19:00
5°
2%
17k
20:00
5°
3%
18k
21:00
5°
5%
19k
22:00
5°
6%
19k
23:00
5°
6%
21k
00:00
5°
5%
22k
01:00
5°
6%
22k
02:00
5°
12%
21k
03:00
5°
20%
22k
04:00
5°
24%
23k
05:00
5°
19%
23k
06:00
4°
10%
24k
07:00
4°
4%
22k
08:00
4°
3%
22k
09:00
4°
5%
21k
10:00

Air Quality (AQI)

Good
14EAQI Index

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

PM2.5
2.8 µg/m³
PM10
3.1 µg/m³
NO₂
1.5 µg/m³

UV Index

Max 0.4
0.3/ 11 (Moderate)

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

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

Wind

10m AGL
12.2km/h

Gusts up to 20.2 km/h.

Direction: 114°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:28
Sunset
19:00
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1033hPa (MSL)
Surface Pressure885 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
100%
Current Rain0.1 mm
24h Rain Accumulation2.1 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 30
53%
3°
5°
Tomorrow
Oct 1
90%
4°
7°
Fri
Oct 2
93%
2°
9°
Sat
Oct 3
48%
1°
10°
Sun
Oct 4
37%
-1°
4°
Mon
Oct 5
37%
2°
5°
Tue
Oct 6
29%
1°
4°
Wed
Oct 7
17%
-3°
2°
Thu
Oct 8
22%
-5°
-2°
Fri
Oct 9
36%
-6°
-1°
Sat
Oct 10
38%
-3°
2°
Sun
Oct 11
29%
-3°
0°
Mon
Oct 12
25%
-4°
-1°
Tue
Oct 13
34%
-3°
3°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in Norway

Regional Grid

Live Ground-Truth Observation Feed

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

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Log Local Ground ConditionStep 1 of 2: Select condition
Tønsberg Airport Telemetry
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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