971 
WGUS51 KOKX 131014
FFWOKX
NYC103-131315-
/O.NEW.KOKX.FF.W.0043.260813T1014Z-260813T1315Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
614 AM EDT Thu Aug 13 2026

The National Weather Service in Upton has issued a

* Flash Flood Warning for...
  Eastern Suffolk County in southeastern New York...

* Until 915 AM EDT.

* At 614 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 1 and 2 inches of rain
  have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
  Additional rainfall amounts of 1 to 3 inches are possible in the
  warned area. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  IMPACT...Flash flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other poor
           drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Southold, Mattituck, Sag Harbor, Bridgehampton, Plum Island,
  Gardiners Island, Noyack, Montauk Point, Shelter Island, Greenport,
  East Hampton, Peconic, Hither Hills State Park, Springs, North Sea,
  Cutchogue, Montauk, Water Mill, North Haven and Orient.

This includes the following streams and drainages...
  Atlantic Ocean.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 4101 7262 4115 7237 4119 7222 4119 7215
      4110 7230 4106 7227 4105 7219 4108 7217
      4104 7213 4108 7213 4110 7217 4114 7214
      4111 7208 4107 7207 4101 7210 4109 7195
      4108 7186 4106 7185 4088 7232

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR

$$

NV

341 
WGUS71 KOKX 131148
FFSOKX

Flash Flood Statement
National Weather Service New York NY
748 AM EDT Thu Aug 13 2026

NYC103-131158-
/O.CAN.KOKX.FF.W.0043.000000T0000Z-260813T1315Z/
/00000.U.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Suffolk NY-
748 AM EDT Thu Aug 13 2026

...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN SUFFOLK COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.

&&

LAT...LON 4101 7262 4115 7237 4119 7222 4119 7215
      4110 7230 4106 7227 4105 7219 4108 7217
      4104 7213 4108 7213 4110 7217 4114 7214
      4111 7208 4107 7207 4101 7210 4109 7195
      4108 7186 4106 7185 4088 7232

$$

DS