Alert archive / New York / Flash Flood Warnings in 1995

Flash Flood Warning 13, NWS New York, NY

July 17, 1995Bronx County, New York County, New York

NWS New York, NY issued this flash flood warning at Jul 17, 1995, 11:48 PM EDT for Bronx County, New York County, New York. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Jul 17, 1995, 11:48 PM EDT (03:48 UTC)
Expired
Jul 18, 1995, 1:45 AM EDT
In force
117 min
Issued by
NWS New York, NY
Area
Whole counties

Counties Bronx County, NY, New York County, NY

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 3.8 hours before the alert went out and 91 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 1995-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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 1995-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
42 J/kg
Mixed-layer CIN
-181 J/kg
Mixed-layer LCL
772 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNYC 180350
FFWNYC
NYC005-047-059-061-081-180545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
1148 PM EDT MON JUL 17 1995
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 AM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST NEW YORK
 
   ...BRONX COUNTY...KINGS COUNTY...NASSAU COUNTY
   ...NEW YORK COUNTY...QUEENS COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF SLOW
MOVING THUNDERSTORMS THROUGH THE AREA. DOPPLER RADAR ESTIMATED 2 TO 2
1/2 INCHES OF RAIN IN THIS AREA DURING THE PAST HOUR.
 
MANY REPORTS OF STREET FLOODING HAVE BEEN RECEIVED FROM MANHATTAN...WITH
TRAFFIC BEING DIVERTED NEAR CENTRAL PARK.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS 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.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
HAYES
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 9:33 PM EDTSevere Thunderstorm WarningOKXRockland, Westchester57 min
Jul 17, 9:33 PM EDTSevere Thunderstorm WarningOKXPutnam57 min
Jul 17, 11:48 PM EDTFlash Flood WarningOKXKings, Nassau, Queens117 min
Jul 18, 12:02 AM EDTFlash Flood WarningOKXSuffolk118 min
Jul 18, 1:35 AM EDTFlash Flood WarningOKXKings, Queens3 hr
Jul 18, 1:35 AM EDTFlash Flood WarningOKXBronx, New York3 hr
Jul 18, 1:35 AM EDTFlash Flood WarningOKXNassau3 hr
Jul 18, 1:45 AM EDTFlash Flood WarningOKXSuffolk2 hr

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.