WeatherEU
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: 303m

Haarlem Altos

lunes, 28 de septiembre de 2026

17°C
OvercastFeels like 16°
H: 20°•L: 16°•Rain: 47%
Meteorological Synthesis

Overcast with highs near 20°C.

Precipitation expected over the coming days with variable skies.

Wind
9.4 km/h
Humidity
79%
UV Index
0 / 11
Pressure
1017 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
17°
6%
10k
00:00
16°
5%
9k
01:00
16°
4%
8k
02:00
16°
4%
7k
03:00
17°
4%
8k
04:00
17°
4%
7k
05:00
16°
5%
9k
06:00
16°
5%
8k
07:00
16°
6%
13k
08:00
17°
6%
7k
09:00
17°
7%
7k
10:00
18°
8%
9k
11:00
19°
10%
9k
12:00
19°
12%
9k
13:00
19°
16%
8k
14:00
19°
22%
9k
15:00
19°
30%
10k
16:00
20°
35%
12k
17:00
19°
36%
12k
18:00
19°
35%
10k
19:00
18°
35%
10k
20:00
17°
38%
13k
21:00
17°
42%
11k
22:00
16°
47%
15k
23:00

Air Quality (AQI)

Moderate
45EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
12.5 µg/m³
PM10
18.3 µg/m³
NO₂
33.5 µg/m³

UV Index

Max 2.6
0/ 11 (Moderate)

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

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

Wind

10m AGL
9.4km/h

Gusts up to 14 km/h.

Direction: 225°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
07:37
Sunset
19:26
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1017hPa (MSL)
Surface Pressure1017 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
79%
Current Rain0 mm
24h Rain Accumulation0.2 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
28 sept
47%
16°
20°
Tomorrow
29 sept
67%
16°
25°
Wed
30 sept
67%
19°
25°
Thu
1 oct
78%
14°
19°
Fri
2 oct
12%
11°
19°
Sat
3 oct
14%
14°
20°
Sun
4 oct
24%
12°
18°
Mon
5 oct
20%
10°
16°
Tue
6 oct
15%
11°
16°
Wed
7 oct
17%
9°
17°
Thu
8 oct
17%
10°
16°
Fri
9 oct
16%
11°
16°
Sat
10 oct
24%
11°
15°
Sun
11 oct
16%
7°
13°

Live Weather Radar — 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 Altos
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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