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.

United Kingdom•Wales & Northern Ireland•Elev: 418m

Derry Bassin Fluvial

dimanche 27 septembre 2026

12°C
ÉclairciesRessenti 8°
H: 14°•L: 10°•Rain: 100%
Meteorological Synthesis

Éclaircies with highs near 14°C.

Precipitation expected over the coming days with variable skies.

Vent
23 km/h
Humidité
79%
Indice UV
0.1 / 11
Pression
1004 hPa

Météogramme sur 24 Heures

24 Hours Ahead
12°
100%
26k
17:00
12°
100%
23k
18:00
11°
94%
23k
19:00
11°
66%
18k
20:00
10°
28%
10k
21:00
10°
0%
11k
22:00
11°
0%
16k
23:00
10°
0%
17k
00:00
10°
0%
13k
01:00
10°
0%
14k
02:00
10°
0%
12k
03:00
10°
0%
13k
04:00
10°
0%
17k
05:00
10°
0%
16k
06:00
9°
0%
13k
07:00
9°
0%
8k
08:00
11°
0%
12k
09:00
12°
0%
16k
10:00
13°
0%
17k
11:00
14°
0%
17k
12:00
15°
0%
16k
13:00
15°
0%
16k
14:00
15°
0%
13k
15:00
16°
0%
10k
16:00

Qualité de l’air (AQI)

Fair
23EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
1.9 µg/m³
PM10
3.6 µg/m³
NO₂
5 µg/m³

Indice UV

Max 0.5
0.1/ 11 (Moderate)

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

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

Vent

10m AGL
23km/h

Rafales jusqu’à 41 km/h.

Direction: 282°
Moderate Gale

Solar Cycle

Daylight: 12h
Lever du soleil
07:07
Coucher du soleil
18:58
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pression

Stable High
1004hPa (MSL)
Surface Pressure1004 hPa
Cloud Cover54%

Humidité & Moisture

RH Ratio
79%
Current Rain0 mm
24h Rain Accumulation7.6 mm

Tendance détaillée sur 14 Jours

14-Day Deterministic Model
Today
27 sept.
100%
10°
14°
Tomorrow
28 sept.
-
9°
16°
Tue
29 sept.
26%
8°
16°
Wed
30 sept.
80%
14°
19°
Thu
1 oct.
-
10°
17°
Fri
2 oct.
47%
6°
18°
Sat
3 oct.
18%
9°
15°
Sun
4 oct.
20%
7°
13°
Mon
5 oct.
14%
6°
12°
Tue
6 oct.
14%
9°
14°
Wed
7 oct.
18%
11°
13°
Thu
8 oct.
22%
11°
13°
Fri
9 oct.
25%
11°
13°
Sat
10 oct.
20%
11°
13°

Radar Météo en Direct — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in United Kingdom

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
Derry Bassin Fluvial
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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