Alert archive / Vermont / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 9, NWS Albany, NY

May 1, 1997Windham County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at May 1, 1997, 7:01 PM EDT for Windham County, Vermont. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 1, 1997, 7:01 PM EDT (23:01 UTC)
Expired
May 1, 1997, 7:45 PM EDT
In force
44 min
Issued by
NWS Albany, NY
Area
Whole counties

County Windham County, VT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 11.0 hours before the alert went out and 97 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 1997-05-01Temperature 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, Albany, NY at 12:00Z on 1997-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 278 square meters per square second.19395878Sfc1 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
965 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
278 m²/s²
0-3 km storm-relative helicity
337 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.

863 
WUUS1 KALB 012301 RRA
SVRALB
VTC025-012345-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
701 PM EDT THU MAY 1 1997
 
THE NATIONAL WEATHER SERVICE IN ALBANY NY  HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  745 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH VERMONT
 
   ...WINDHAM COUNTY
 
A LINE OF SEVERE THUNDERSTORMS MOVING OUT OF BENNINGTON COUNTY AT 50
MILES AN HOUR WILL MOVE THROUGH WINDHAM COUNTY. THIS LINE WILL
REACH JAMAICA AND WARDSBORO BY 715 PM AND GRAFTON BY 730 PM.
 
THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL...AND SOME DAMAGING
WINDS.

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 1, 6:42 PM EDTSevere Thunderstorm WarningALYBennington63 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1997Every severe thunderstorm warning in 1997

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.