Alert archive / New York / Flash Flood Warnings in 1995

Flash Flood Warning 29, NWS New York, NY

July 28, 1995Nassau County, Queens County, New York

NWS New York, NY issued this flash flood warning at Jul 28, 1995, 2:53 AM EDT for Nassau County, Queens County, New York. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1995, 2:53 AM EDT (06:53 UTC)
Expired
Jul 28, 1995, 4:00 AM EDT
In force
67 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Nassau County, NY, Queens County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 6.9 hours before the alert went out and 74 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 00:00Z on 1995-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1236 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 1995-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
1236 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
1177 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNYC 280653
FFWNYC
NJC013-017-039-NYC047-059-081-085-280800-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
253 AM EDT FRI JUL 28 1995
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  400 AM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST NEW JERSEY
 
   ...ESSEX COUNTY...HUDSON COUNTY...UNION COUNTY
 
 
IN SOUTHEAST NEW YORK
 
   ...KINGS COUNTY...NASSAU COUNTY...QUEENS COUNTY
   ...RICHMOND COUNTY
 
AT 250 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A LINE OF
SEVERE THUNDERSTORMS EXTENDING EAST TO WEST ACROSS CENTRAL NEW JERSEY.
THESE THUNDERSTORMS HAVE A HISTORY OF PRODUCING WIND GUSTS OF 60 MPH IN
PORTIONS OF CENTRAL AND SOUTHERN NEW JERSEY.
 
MOVEMENT WAS NORTHEAST AT 45 MILES AN HOUR.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
HAYES
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:26 PM EDTSevere Thunderstorm WarningOKXPutnam, Westchester49 min
Jul 28, 1:39 AM EDTFlash Flood WarningOKXKings, Queens2 hr
Jul 28, 1:39 AM EDTFlash Flood WarningOKXRichmond2 hr
Jul 28, 2:53 AM EDTFlash Flood WarningOKXKings67 min
Jul 28, 2:53 AM EDTFlash Flood WarningOKXRichmond67 min
Jul 28, 2:53 AM EDTSevere Thunderstorm WarningOKXKings, Nassau, Queens67 min
Jul 28, 2:53 AM EDTSevere Thunderstorm WarningOKXRichmond67 min
Jul 28, 7:10 PM EDTSevere Thunderstorm WarningOKXOrange, Rockland65 min
Jul 28, 7:50 PM EDTSevere Thunderstorm WarningOKXPutnam55 min

Nearby

Flash Flood Warnings in New York, 1995Every flash flood warning in 1995

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.