Alert archive / Vermont / Flash Flood Warnings in 1990
Flash Flood Warning 28, NWS Burlington, VT
NWS Burlington, VT issued this flash flood warning at Jun 20, 1990, 7:07 PM EDT for Windsor County, Vermont. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jun 20, 1990, 7:07 PM EDT (23:07 UTC)
- Expired
- Jun 20, 1990, 9:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Windsor County, VT
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, 11.1 hours before the alert went out and 141 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBTV 202307 FFWBTV VTC005-009-027-210115- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 707 PM EDT WED JUN 20 1990 THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 915 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...S... IN NORTHEAST VERMONT ...CALEDONIA COUNTY...ESSEX COUNTY IN SOUTHEAST VERMONT ...EASTERN WINDSOR COUNTY A LINE OF VERY HEAVY RAINSHOWERS EXTENDED FROM CANAAN VERMONT SOUTH TO SPRINGFIELD AT 700 PM THIS EVENING. SEVERAL REPORTS OF OVER A HALF INCH OF RAIN IN A HALF HOUR HAVE BEEN RECIEVED FROM THESE STORMS. SPRINGFIELD VERMONT REPORTED 1.2 INCHES IN 25 MINUTES. THESE STORMS ARE MOVING VERY SLOWLY. IF YOU LIVE NEAR A STREAM WATCH IT CLOSELY FOR THE NEXT COUPLE HOURS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS SHOULD AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS. 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.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 20, 6:40 PM EDT, 27 minutes before
VTZ002-003-210100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 630 PM EDT WED JUN 20 1990 HEAVY RAINSHOWERS AND THUNDERSTORMS HAD FORMED IN EASTERN VERMONT LATE THIS AFTERNOON. THESE SHOWERS AND THUNDERSTORMS ARE VERY SLOW MOVERS. THIS MEANS THAT THEY CAN DROP ALOT OF RAIN OF A VERY CONCENTRATED AREA...ONLY A FEW MILES WIDE CAUSING STREAMS TO RISE RADIPLY FROM THE RUNOFF. THE LARGEST STORM WAS LACATED NEAR GROTON AND ROUTE 302 AT 625 PM. THIS STORM HAD SHOWN LITTLE MOVEMENT IN THE PAST HALF HOUR. THE NEXT LARGEST STORMS WERE LOCATED NEAR RANDOLPH CENTER...EAST BETHEL AND ROYALTON...CLOSE TO INTERSTATE 89. THESE STORMS WERE ALSO SHOWING LITTLE OR NO MOVEMENT. PERSONS LIVING NEAR STREAMS IN THE HEAVY RAIN AREA SHOULD WATCH THE WATER LEVEL CLOSELY OVER THE NEXT HOURS AND BE PREPARED TO MOVE TO HIGHER GROUND IF THE NEED ARISES. ARISES. END...WSG
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:07 PM EDT | Flash Flood Warning | BTV | Caledonia, Essex | 2 hr |
Nearby
Flash Flood Warnings in Vermont, 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.