849  
WGUS51 KOKX 312033  
FFWOKX  
NYC103-312345-  
/O.NEW.KOKX.FF.W.0020.250731T2033Z-250731T2345Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE NEW YORK NY  
433 PM EDT THU JUL 31 2025  
 
THE NATIONAL WEATHER SERVICE IN UPTON HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
WESTERN SUFFOLK COUNTY IN SOUTHEASTERN NEW YORK...  
 
* UNTIL 745 PM EDT.  
 
* AT 433 PM 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. FLASH FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.  
 
SOURCE...RADAR.  
 
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...  
ISLIP, BRENTWOOD, DEER PARK, LINDENHURST, MEDFORD, RONKONKOMA,  
BABYLON, PATCHOGUE, HOLBROOK, BAY SHORE, MELVILLE, SAYVILLE,  
AMITYVILLE, YAPHANK, CAPTREE STATE PARK, GILGO STATE PARK, CENTRAL  
ISLIP, WEST ISLIP, COPIAGUE AND EAST PATCHOGUE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD  
DEATHS OCCUR IN VEHICLES.  
 
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.  
 

 
 
LAT...LON 4086 7287 4083 7284 4074 7298 4074 7300  
4073 7301 4071 7305 4071 7311 4068 7314  
4070 7319 4070 7320 4069 7321 4069 7323  
4067 7326 4067 7316 4064 7323 4060 7342  
4079 7344  
 
FLASH FLOOD...RADAR INDICATED  
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR  
 

 
 
MW  
 
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