Alert archive / Vermont / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jun 9, 1990, 7:03 PM EDT for Caledonia County, Vermont. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jun 9, 1990, 7:03 PM EDT (23:03 UTC)
- Expired
- Jun 9, 1990, 7:45 PM EDT
- In force
- 42 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Caledonia 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
Gray, ME (KGYX), launched 12:00Z, 11.1 hours before the alert went out and 160 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
- 3607 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 262 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 092303 SVRBTV VTC005-092345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 703 PM EDT SAT JUN 9 1990 THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN NORTHEAST VERMONT ...CALEDONIA COUNTY AT 700PM A SEVERE THUNDERSTORM WAS OVER EASTERN CALEDONIA COUNTY BETWEEN RYEGATE AND SAINT JOHNSBURY. IT WILL MOVE ACROSS THE CONNECTICUT RIVER INTO NEW HAMPSHIRE BY 730 PM. PERSON IN EASTERN CALEDONIA COUNTY VERMONT SHOULD TAKE COVER IF THE STORM APPROACHES. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...-DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 9, 3:08 PM EDT, 3 hours 55 minutes before
VTC003-025-092015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 306 PM EDT SAT JUN 9 1990 ...THUNDERSTORMS WERE MOVING THROUGH EXTREME SOUTHERN VERMONT... AT 300 PM...A THUNDERSTORM PRODUCING VERY HEAVY RAIN AND FREQUENT LIGHTNING MOVING ACROSS FAR SOUTHERN BENNINGTON COUNTY OF VERMONT. THIS STORM WAS MOVING EAST AT 25 MPH...AND WILL MOVE INTO SOUTHERN WINDHAM COUNTY BY 330 PM. ANOTHER THUNDERSTORM WAS EASTERN RENSSELAER COUNTY OF NEW YORK. THIS STORM WAS ALSO MOVING EAST AT 25 MPH...AND WILL MOVE INTO SOUTHERN BENNINGTON COUNTY BY 345 PM. IF YOU ARE IN THE PATH OF THESE STORMS...BE PREPARED FOR FREQUENT DANGEROUS LIGHTNING...VERY HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL. REYNOLDS
Special weather statement, Jun 9, 3:11 PM EDT, 3 hours 52 minutes before
VTC003-025-092015- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE BURLINGTON VT 309 PM EDT SAT JUN 9 1990 ...THUNDERSTORMS WERE MOVING THROUGH EXTREME SOUTHERN VERMONT... AT 300 PM...A THUNDERSTORM PRODUCING VERY HEAVY RAIN AND FREQUENT LIGHTNING WAS MOVING ACROSS FAR SOUTHERN BENNINGTON COUNTY OF VERMONT. THIS STORM WAS MOVING EAST AT 25 MPH...AND WILL MOVE INTO SOUTHERN WINDHAM COUNTY BY 330 PM. ANOTHER THUNDERSTORM WAS IN EASTERN RENSSELAER COUNTY OF NEW YORK. THIS STORM WAS ALSO MOVING EAST AT 25 MPH...AND WILL MOVE INTO SOUTHERN BENNINGTON COUNTY BY 345 PM. IF YOU ARE IN THE PATH OF THESE STORMS...BE PREPARED FOR FREQUENT DANGEROUS LIGHTNING...VERY HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL. REYNOLDS
Special weather statement, Jun 9, 4:07 PM EDT, 2 hours 56 minutes before
VTZ001-002-003-092115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 407 PM EDT SAT JUN 9 1990 ...THUNDERSTORMS WERE DEVELOPING OVER NORTHERN VERMONT... AT 400 PM...AN AREA OF SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER FRANKLIN...LAMOILLE...ORLEANS AND CALEDONIA COUNTIES OF VERMONT. THE HEAVIEST RAIN WAS FALLING OVER NORTHERN LAMOILLE COUNTY NEAR THE TOWN OF EDEN. THIS STORM MAY CONTAIN GUSTY WINDS...FREQUENT LIGHTNING... AND SMALL HAIL. OTHER STORMS PRODUCING HEAVY RAIN WERE FROM SHELDON IN FRANKLIN COUNTY TO JUST WEST OF ST JOHNSBURY. ALL OF THE STORMS WERE MOVING EAST AT 30 MPH. IF YOU ARE IN THE PATH OF THESE STORMS...BE PREPARED FOR VERY HEAVY RAIN...FREQUENT LIGHTNING ...STRONG GUSTY WINDS...AND HAIL. IF THREATENING WEATHER APPROACHES ...TAKE SHELTER UNTIL THE STORMS PASS. REYNOLDS
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 4:40 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia, Essex | 65 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 1990Every severe thunderstorm 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.