Alert archive / New York / Flash Flood Warnings in 1990

Flash Flood Warning 9, NWS Burlington, VT

February 23, 1990Clinton County, New York

NWS Burlington, VT issued this flash flood warning at Feb 23, 1990, 9:49 AM EST for Clinton County, New York. It was in force for 116 min.

The area

The counties it named.

The facts

Issued
Feb 23, 1990, 9:49 AM EST (14:49 UTC)
Expired
Feb 23, 1990, 11:45 AM EST
In force
116 min
Issued by
NWS Burlington, VT
Area
Whole counties

County Clinton County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 2.8 hours before the alert went out and 229 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, Albany, NY at 12:00Z on 1990-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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, Albany, NY at 12:00Z on 1990-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -147 square meters per square second.1939587897117136Sfc1 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
10 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
98 kt
0-1 km storm-relative helicity
-147 m²/s²
0-3 km storm-relative helicity
-70 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 KBTV 231450
FFWBTV
NYC019-231645-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
949 AM EST FRI FEB 23 1990
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1145 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST NEW YORK
          ...SOUTHERN CLINTON
 
THE AUSABLE RIVER REMAINS OUT OF ITS BANKS IN THE TOWN OF AUSABLE
FORKS. ROUTE 9N REMAINS CLOSED FROM THE TOWN OF JAY IN ESSEX COUNTY TO
AUSABLE FORKS.
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 6:44 AM ESTFlash Flood WarningBTVClinton3 hr
Feb 23, 12:55 PM ESTFlash Flood WarningBTVClinton4 hr

Nearby

Flash Flood Warnings in New York, 1990Every flash flood warning in 1990

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.