Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Netherlands•Randstad & Coastal•Elev: 123m

Haarlem Zentrum

Sonntag, 27. September 2026

16°C
BedecktGefühlt wie 16°
H: 22°•L: 10°•Rain: 6%
Meteorological Synthesis

Bedeckt with highs near 22°C.

Precipitation expected over the coming days with variable skies.

Wind
8.3 km/h
Luftfeuchtigkeit
85%
UV-Index
0 / 11
Luftdruck
1016 hPa

24-Stunden-Meteogramm

24 Hours Ahead
18°
0%
7k
20:00
16°
2%
9k
21:00
16°
4%
8k
22:00
16°
6%
9k
23:00
17°
6%
8k
00:00
16°
5%
8k
01:00
15°
4%
8k
02:00
14°
4%
5k
03:00
14°
4%
8k
04:00
14°
4%
9k
05:00
15°
5%
9k
06:00
16°
5%
9k
07:00
16°
6%
6k
08:00
16°
6%
7k
09:00
17°
7%
6k
10:00
19°
8%
7k
11:00
20°
10%
9k
12:00
19°
12%
8k
13:00
19°
16%
7k
14:00
19°
22%
5k
15:00
20°
30%
8k
16:00
19°
35%
8k
17:00
20°
36%
12k
18:00
19°
35%
12k
19:00

Luftqualität (AQI)

Moderate
41EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
12.7 µg/m³
PM10
19.7 µg/m³
NO₂
27.4 µg/m³

UV-Index

Max 3.8
0/ 11 (Moderate)

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

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

Wind

10m AGL
8.3km/h

Böen bis zu 11.5 km/h.

Direction: 139°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sonnenaufgang
07:36
Sonnenuntergang
19:29
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Luftdruck

Stable High
1016hPa (MSL)
Surface Pressure1016 hPa
Cloud Cover100%

Luftfeuchtigkeit & Moisture

RH Ratio
85%
Current Rain0 mm
24h Rain Accumulation0 mm

14-Tage-Aussicht

14-Day Deterministic Model
Today
27. Sept.
-
10°
22°
Tomorrow
28. Sept.
47%
14°
20°
Tue
29. Sept.
67%
16°
26°
Wed
30. Sept.
67%
18°
24°
Thu
1. Okt.
78%
14°
19°
Fri
2. Okt.
12%
10°
20°
Sat
3. Okt.
14%
13°
20°
Sun
4. Okt.
24%
12°
19°
Mon
5. Okt.
20%
10°
16°
Tue
6. Okt.
15%
10°
17°
Wed
7. Okt.
17%
9°
17°
Thu
8. Okt.
17%
10°
16°
Fri
9. Okt.
16%
11°
16°
Sat
10. Okt.
24%
11°
15°

Live-Wetterradar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in Netherlands

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
Haarlem Zentrum
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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