Headline:
Flood Advisory issued August 23 at 8:00AM EDT until August 23 at 10:00AM EDT by NWS Upton NY
Event:
Flood Advisory
Urgency:
Expected
Effective:
August 23, 2026 - 5:00am
Expires:
August 23, 2026 - 7:00am
Description:
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Eastern Nassau County in southeastern New York...
Suffolk County in southeastern New York...
* WHEN...Until 1000 AM EDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Ponding of water in urban or other areas is occurring or is
imminent.
* ADDITIONAL DETAILS...
- At 800 AM EDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.5 and 1.5 inches of rain
have fallen.
- Additional rainfall amounts of 0.5 to 1.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Islip, Brentwood, Levittown, Commack, Riverhead, Huntington
Station, Centereach, Shirley, Deer Park, Lindenhurst, Plainview,
Medford, Massapequa, Hauppauge, Ronkonkoma, Syosset, Huntington,
Manorville, Stony Brook and Babylon.
- http://www.weather.gov/safety/flood
Instruction:
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Area Description:
Nassau, NY; Suffolk, NY
Forcast Office:
NWS Upton NY
Sender:
w-nws.webmaster@noaa.gov