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Official Meteorological TelemetryMeteoAlarm Advisory

MeteoAlarm Advisory: Heavy Precipitation Ahead

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

Turkey•Marmara Region (Marmara)•Elev: 120m

Ümraniye, İstanbul

lundi 28 septembre 2026

17°C
Pluie FaibleRessenti 16°
H: 19°•L: 17°•Rain: 100%
Meteorological Synthesis

Pluie Faible with highs near 19°C.

Precipitation expected over the coming days with variable skies.

Vent
23.4 km/h
Humidité
86%
Indice UV
0 / 11
Pression
995 hPa

Météogramme sur 24 Heures

24 Hours Ahead
17°
98%
17k
04:00
18°
98%
18k
05:00
18°
100%
20k
06:00
18°
100%
22k
07:00
17°
98%
24k
08:00
17°
100%
23k
09:00
17°
100%
25k
10:00
17°
93%
24k
11:00
17°
68%
23k
12:00
18°
38%
23k
13:00
18°
30%
26k
14:00
19°
18%
25k
15:00
19°
10%
26k
16:00
19°
20%
24k
17:00
18°
25%
19k
18:00
18°
45%
19k
19:00
18°
50%
19k
20:00
18°
60%
19k
21:00
18°
73%
16k
22:00
17°
85%
19k
23:00
17°
98%
15k
00:00
18°
95%
13k
01:00
17°
95%
15k
02:00
17°
88%
14k
03:00

Qualité de l’air (AQI)

Fair
21EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
5.5 µg/m³
PM10
10.4 µg/m³
NO₂
10.1 µg/m³

Indice UV

Max 3.1
0/ 11 (Moderate)

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

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

Vent

10m AGL
23.4km/h

Rafales jusqu’à 47.2 km/h.

Direction: 360°
Moderate Gale

Solar Cycle

Daylight: 12h
Lever du soleil
06:57
Coucher du soleil
18:51
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pression

Stable High
1014hPa (MSL)
Surface Pressure995 hPa
Cloud Cover100%

Humidité & Moisture

RH Ratio
86%
Current Rain0.5 mm
24h Rain Accumulation21.1 mm

Tendance détaillée sur 14 Jours

14-Day Deterministic Model
Today
28 sept.
100%
17°
19°
Tomorrow
29 sept.
98%
17°
18°
Wed
30 sept.
88%
16°
21°
Thu
1 oct.
31%
16°
20°
Fri
2 oct.
38%
15°
19°
Sat
3 oct.
35%
13°
20°
Sun
4 oct.
24%
12°
21°
Mon
5 oct.
24%
11°
20°
Tue
6 oct.
16%
11°
19°
Wed
7 oct.
14%
11°
19°
Thu
8 oct.
-
12°
20°
Fri
9 oct.
12%
12°
20°
Sat
10 oct.
12%
15°
22°
Sun
11 oct.
-
16°
23°

Radar Météo en Direct — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

Nearby Cities & Stations in Turkey

Regional Grid

Live Ground-Truth Observation Feed

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

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Ümraniye, İstanbul
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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