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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

poniedziałek, 28 września 2026

17°C
Light RainFeels like 16°
H: 19°•L: 17°•Rain: 100%
Meteorological Synthesis

Light Rain with highs near 19°C.

Precipitation expected over the coming days with variable skies.

Wind
16.5 km/h
Humidity
90%
UV Index
0 / 11
Pressure
997 hPa

24-Hour Forecast & Meteogram

24 Hours Ahead
17°
100%
17k
00:00
17°
100%
17k
01:00
17°
100%
17k
02:00
17°
98%
15k
03:00
17°
95%
15k
04:00
17°
88%
17k
05:00
17°
83%
19k
06:00
17°
83%
21k
07:00
17°
90%
23k
08:00
18°
93%
25k
09:00
17°
93%
25k
10:00
17°
83%
24k
11:00
18°
68%
25k
12:00
18°
43%
25k
13:00
19°
23%
25k
14:00
18°
18%
22k
15:00
19°
18%
22k
16:00
19°
28%
21k
17:00
18°
30%
22k
18:00
18°
45%
18k
19:00
18°
55%
20k
20:00
18°
63%
18k
21:00
18°
68%
16k
22:00
18°
83%
18k
23:00

Air Quality (AQI)

Fair
26EAQI Index

Sensitive individuals should limit prolonged outdoor exertion.

PM2.5
6.3 µg/m³
PM10
11.4 µg/m³
NO₂
6.7 µg/m³

UV Index

Max 2.9
0/ 11 (Moderate)

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

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

Wind

10m AGL
16.5km/h

Gusts up to 33.5 km/h.

Direction: 11°
Gentle Breeze

Solar Cycle

Daylight: 12h
Sunrise
06:57
Sunset
18:51
Twilight and solar zenith calculated based on WGS84 geographic coordinate telemetry.

Pressure

Stable High
1015hPa (MSL)
Surface Pressure997 hPa
Cloud Cover100%

Humidity & Moisture

RH Ratio
90%
Current Rain0.5 mm
24h Rain Accumulation13.1 mm

14-Day Detailed Outlook

14-Day Deterministic Model
Today
28 wrz
100%
17°
19°
Tomorrow
29 wrz
95%
16°
19°
Wed
30 wrz
89%
16°
19°
Thu
1 paź
38%
15°
20°
Fri
2 paź
53%
14°
20°
Sat
3 paź
33%
12°
18°
Sun
4 paź
-
15°
19°
Mon
5 paź
21%
12°
18°
Tue
6 paź
20%
11°
19°
Wed
7 paź
14%
11°
19°
Thu
8 paź
16%
12°
20°
Fri
9 paź
14%
12°
20°
Sat
10 paź
16%
15°
22°
Sun
11 paź
14%
16°
23°

Live Weather Radar — Pan-European Doppler Radar

Past -60m•Now•+120m Outlook

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Ümraniye, İstanbul
Ground Temp:°C

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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

Polecane Przewodniki • Ümraniye, İstanbul

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