Alert archive / Vermont / Flash Flood Warnings in 1992

Flash Flood Warning 33, NWS Burlington, VT

April 22, 1992Essex County, Vermont

NWS Burlington, VT issued this flash flood warning at Apr 22, 1992, 7:39 AM EDT for Essex County, Vermont. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 1992, 7:39 AM EDT (11:39 UTC)
Expired
Apr 22, 1992, 11:45 AM EDT
In force
4 hr
Issued by
NWS Burlington, VT
Area
Whole counties

County Essex County, VT

The nearest sounding before it

Gray, ME (KPWM), launched 00:00Z, 11.7 hours before the alert went out and 150 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, Gray, ME at 00:00Z on 1992-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Gray, ME at 00:00Z on 1992-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1339 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
90 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 221140
FFWBTV
VTC009-221545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
739 AM EDT WED APR 22 1992
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1145 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST VERMONT
 
   ...ESSEX COUNTY
 
THE STATE HIGHWAY DISPATCH HAS REPORTED THAT A TOWN ROAD OFF ROUTE 114
IN NORTON WAS COVERED BY WATER. THIS FLOODING WAS FROM THE COATICOOK
RIVER.
 
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
MOST 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 STREAzM...EVEN A SMALL ONE...ON FOOT. TO
ESCAPE RISING WATER MOVE TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 22, 7:32 AM EDTFlash Flood WarningBTVLamoille4 hr

Nearby

Flash Flood Warnings in Vermont, 1992Every flash flood warning in 1992

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.