Alert archive / New Jersey / Flash Flood Warnings in 2003

Flash Flood Warning 9, NWS New York, NY

August 5, 2003Bergen County, Hudson County, New Jersey; Richmond County, New York

NWS New York, NY issued this flash flood warning at Aug 5, 2003, 4:50 PM EDT for Bergen County, Hudson County, New Jersey; Richmond County, New York. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 5, 2003, 4:50 PM EDT (20:50 UTC)
Expired
Aug 5, 2003, 5:45 PM EDT
In force
55 min
Issued by
NWS New York, NY
Area
Counties, with a storm outline in the text

Counties Bergen County, NJ, Hudson County, NJ, Richmond County, NY

The radar

The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 20:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.8 hours before the alert went out and 104 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2003-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 656 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2003-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
656 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KOKX 052050
FFWOKX
NJC003-017-NYC085-052145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE UPTON NY
450 PM EDT TUE AUG 5 2003

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN BERGEN COUNTY IN NORTHEAST NEW JERSEY
  HUDSON COUNTY IN NORTHEAST NEW JERSEY
  NORTHERN RICHMOND COUNTY IN SOUTHEAST NEW YORK

* UNTIL 545 PM EDT

* AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN 4 MILES WEST OF TODT HILL...MOVING NORTHEAST AT 20
  MPH.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  TODT HILL AROUND 455 PM
  TOMPKINSVILLE AROUND 500 PM
  BAYONNE AROUND 505 PM
  JERSEY CITY AND KEARNY AROUND 515 PM
  HOBOKEN AND 6 MILES SOUTHEAST OF LYNDHURST AROUND 520 PM
  WEEHAWKEN AND UNION CITY AROUND 525 PM

SOME OTHER LOCATIONS IN THE WARNING INCLUDE ENGLEWOOD...FORT LEE...
TETERBORO...NORWOOD AND ORADELL.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN
UPTON NY.

LAT...LON 4059 7423 4057 7409 4099 7390 4105 7403

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 2:06 PM EDTFlash Flood WarningOKXUnion54 min
Aug 5, 4:29 PM EDTFlash Flood WarningOKXRockland61 min
Aug 5, 5:31 PM EDTFlash Flood WarningOKXRockland59 min

Nearby

Flash Flood Warnings in New Jersey, 2003Flash Flood Warnings in New York, 2003Every flash flood warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.