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.

Norway•Southern & Western Fjords•Elev: 732m

Sandefjord Hills & Summit

Monday, September 28, 2026

8°C
OvercastFeels like 4°
H: 11°•L: 1°•Rain: 75%
Meteorological Synthesis

Overcast with highs near 11°C.

Precipitation expected over the coming days with variable skies.

Wind
23.4 km/h
Humidity
100%
UV Index
0.05 / 11
Pressure
900 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
7°
43%
27k
07:00
7°
31%
26k
08:00
8°
25%
25k
09:00
8°
23%
22k
10:00
9°
25%
21k
11:00
10°
36%
21k
12:00
11°
51%
19k
13:00
11°
61%
17k
14:00
11°
62%
13k
15:00
11°
57%
12k
16:00
10°
49%
21k
17:00
9°
35%
17k
18:00
7°
17%
12k
19:00
5°
4%
11k
20:00
3°
0%
9k
21:00
2°
0%
9k
22:00
1°
0%
6k
23:00
0°
0%
8k
00:00
1°
0%
9k
01:00
0°
0%
9k
02:00
0°
0%
9k
03:00
0°
0%
8k
04:00
0°
0%
7k
05:00
-1°
0%
4k
06:00

Air Quality (AQI)

Fair
23EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
3.5 µg/m³
PM10
3.8 µg/m³
NO₂
1.3 µg/m³

UV Index

Max 1.1
0.05/ 11 (Moderate)

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

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

Wind

10m AGL
23.4km/h

Gusts up to 41 km/h.

Direction: 179°
Moderate Gale

Solar Cycle

Daylight: 12h
Sunrise
07:21
Sunset
19:03
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1015hPa (MSL)
Surface Pressure900 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
100%
Current Rain0 mm
24h Rain Accumulation3.4 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
Sep 28
75%
1°
11°
Tomorrow
Sep 29
-
-1°
11°
Wed
Sep 30
-
2°
7°
Thu
Oct 1
37%
6°
9°
Fri
Oct 2
61%
4°
11°
Sat
Oct 3
14%
2°
7°
Sun
Oct 4
12%
0°
6°
Mon
Oct 5
-
4°
9°
Tue
Oct 6
14%
2°
6°
Wed
Oct 7
17%
-1°
5°
Thu
Oct 8
23%
-2°
2°
Fri
Oct 9
24%
-4°
3°
Sat
Oct 10
24%
-6°
2°
Sun
Oct 11
29%
-1°
2°

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

Real-time Ingestion
Log Local Ground ConditionStep 1 of 2: Select condition
Sandefjord Hills & Summit
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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