Alert archive / New York / Flash Flood Warnings in 2003

Flash Flood Warning 1, NWS New York, NY

July 22, 20036 counties in New York; Hudson County, New Jersey

NWS New York, NY issued this flash flood warning at Jul 22, 2003, 4:51 PM EDT for 6 counties in New York; Hudson County, New Jersey. It was in force for 84 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
Jul 22, 2003, 4:51 PM EDT (20:51 UTC)
Expired
Jul 22, 2003, 6:15 PM EDT
In force
84 min
Issued by
NWS New York, NY
Area
Counties, with a storm outline in the text

Counties Hudson County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY

The radar

The Brookhaven radar (KOKX), 88 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, 8.9 hours before the alert went out and 87 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 2003-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1497 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 2003-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 159 square meters per square second.193958Sfc1 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
1497 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
159 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.3

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KOKX 222053
FFWOKX
NJC017-NYC005-047-059-061-081-085-222215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE UPTON NY
451 PM EDT TUE JUL 22 2003

THE NATIONAL WEATHER SERVICE IN UPTON NY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HUDSON COUNTY IN NORTHEAST NEW JERSEY
  SOUTHERN BRONX COUNTY IN SOUTHEAST NEW YORK
  SOUTHERN NEW YORK COUNTY IN SOUTHEAST NEW YORK
  NORTHERN KINGS COUNTY IN SOUTHEAST NEW YORK
  RICHMOND COUNTY IN SOUTHEAST NEW YORK
  NORTHERN NASSAU COUNTY IN SOUTHEAST NEW YORK
  NORTHERN QUEENS COUNTY IN SOUTHEAST NEW YORK

* UNTIL 615 PM EDT

* AT 449 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  VERY HEAVY RAIN FALLING OVER THE NEW YORK CITY METRO AREA. 
  RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WILL CONTINUE ACROSS THE 
  WARNED AREA THROUGH 6:15 PM.

PREPARE FOR SIGNIFICANT WIDESPREAD FLOODING OF LOW LYING ANFD POOR 
DRAINAGE AREAS.

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 4076 7415 4051 7425 4068 7383 4078 7346
          4092 7347 4085 7387 4082 7392 4081 7396

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:13 PM EDTSevere Thunderstorm WarningOKXRichmond47 min
Jul 22, 2:20 PM EDTSpecial Marine WarningOKX55 min
Jul 22, 2:26 PM EDTSpecial Marine WarningOKX49 min
Jul 22, 2:41 PM EDTSevere Thunderstorm WarningOKXKings, New York, Queens, Richmond49 min
Jul 22, 3:04 PM EDTSevere Thunderstorm WarningOKXSuffolk41 min
Jul 22, 3:37 PM EDTSpecial Marine WarningOKX53 min
Jul 22, 4:20 PM EDTSevere Thunderstorm WarningOKXRichmond40 min
Jul 22, 4:30 PM EDTSevere Thunderstorm WarningOKXRichmond45 min
Jul 22, 4:32 PM EDTSpecial Marine WarningOKX58 min
Jul 22, 5:36 PM EDTSpecial Marine WarningOKX54 min
Jul 22, 5:44 PM EDTSpecial Marine WarningOKX46 min
Jul 22, 7:45 PM EDTSpecial Marine WarningOKX60 min
Jul 22, 4:04 PM EDTSevere Thunderstorm WarningOKXEssex, Union41 min

Nearby

Flash Flood Warnings in New York, 2003Flash Flood Warnings in New Jersey, 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.