Alert archive / Vermont / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 2, NWS Burlington, VT

June 9, 1990Caledonia County, Essex County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jun 9, 1990, 4:40 PM EDT for Caledonia County, Essex County, Vermont. It was in force for 65 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 9, 1990, 4:40 PM EDT (20:40 UTC)
Expired
Jun 9, 1990, 5:45 PM EDT
In force
65 min
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Caledonia County, VT, Essex County, VT

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 9, 5:30 PM EDTThunderstorm Wind 0Caledonia, VT
Jun 9, 5:43 PM EDTThunderstorm Wind 0Essex, VT

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 8.7 hours before the alert went out and 154 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 12:00Z on 1990-06-09Temperature 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 12:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.1939587897Sfc1 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
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

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBTV 092041
SVRBTV
VTC005-009-092145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
440 PM EDT SAT JUN 9 1990
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST VERMONT
 
   ...CALEDONIA COUNTY...ESSEX COUNTY
 
AT 435 PM SEVERE THUNDERSTORMS WERE OVER CALEDONIA COUNTY NEAR
HARDWICK AND LYNDONVILLE. THE STORMS ARE MOVING TO THE EAST AT
20 MPH AND WILL MOVE INTO ESSEX COUNTY VERMONT BY 500 PM. STRONG
WINDS AND HAIL ARE LIKELY WITH THESE STORMS.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, 1 hour 32 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, 1 hour 29 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, 33 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.

IssuedProductOfficeCountiesLasted
Jun 9, 7:03 PM EDTSevere Thunderstorm WarningBTVCaledonia42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.