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Flash Flood Warning 0038
Issued by the New York / Upton Forecast Office

Action Issued Starts Expiration
New 2026-08-05 23:25:43 2026-08-05 23:25:00 2026-08-06 02:30:00
Continued 2026-08-06 01:45:47 2026-08-06 02:30:00


Action: New
Issued At: 2026-08-05 23:25:43

637 
WGUS51 KOKX 060425
FFWOKX
NJC003-031-NYC087-060730-
/O.NEW.KOKX.FF.W.0038.260806T0425Z-260806T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New York NY
1225 AM EDT Thu Aug 6 2026

The National Weather Service in Upton has issued a

* Flash Flood Warning for...
  Northwestern Bergen County in northeastern New Jersey...
  Central Passaic County in northeastern New Jersey...
  Western Rockland County in southeastern New York...

* Until 330 AM EDT.

* At 1225 AM EDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Between 0.5 and 1.25 inches of
  rain has already fallen in parts of western Passaic County. The
  expected rainfall rate is 1 to 2.5 inches in 1 hour. Total rainfall
  amounts of 1 to 2.5 inches is 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 could experience flash flooding include...
  Monsey, Ramsey, Ringwood, Pompton Lakes, Suffern, Sloatsburg,
  Bloomingdale, Pomona, Spring Valley, Wyckoff, Stony Point, Oakland,
  Wanaque, Franklin Lakes, Airmont, Upper Saddle River, Chestnut
  Ridge, Hillcrest, New Square and Mount Ivy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.


&&

LAT...LON 4105 7444 4126 7398 4106 7405 4093 7428
      4098 7428 4098 7430 4099 7429 4100 7430
      4100 7431 4101 7434 4100 7435 4101 7436
      4101 7439 4103 7442 4102 7443 4104 7443

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2.5 INCHES IN 1 HOUR

$$

Goodman


Action: Continued
Issued At: 2026-08-06 01:45:47

728 
WGUS71 KOKX 060645
FFSOKX

Flash Flood Statement
National Weather Service New York NY
245 AM EDT Thu Aug 6 2026

NJC003-031-NYC087-060730-
/O.CON.KOKX.FF.W.0038.000000T0000Z-260806T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Bergen NJ-Passaic NJ-Rockland NY-
245 AM EDT Thu Aug 6 2026

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM EDT EARLY THIS
MORNING FOR NORTHWESTERN BERGEN, CENTRAL PASSAIC AND ROCKLAND
COUNTIES...

At 245 AM EDT, Flooding impacts will continue, but no additional
heavy rainfall is expected. All northbound lanes of New Jersey State
Route 23 north of the Paterson Hamburg Turnpike in West Milford were
closed due to flash flooding, close to where the heaviest rain of up
to 2.5 inches occurred.

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 could experience flash flooding include...
  Monsey, Ramsey, Ringwood, Pompton Lakes, Suffern, Sloatsburg,
  Bloomingdale, Pomona, Spring Valley, Wyckoff, Stony Point, Oakland,
  Wanaque, Franklin Lakes, Airmont, Upper Saddle River, Chestnut
  Ridge, Hillcrest, New Square and Mount Ivy.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.


&&

LAT...LON 4105 7444 4126 7398 4106 7405 4093 7428
      4098 7428 4098 7430 4099 7429 4100 7430
      4100 7431 4101 7434 4100 7435 4101 7436
      4101 7439 4103 7442 4102 7443 4104 7443

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1-2.5 INCHES IN 1 HOUR

$$

Goodman



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