Alert archive / Vermont / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 64, NWS Burlington, VT

August 24, 1998Orange County, Windsor County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Aug 24, 1998, 7:08 PM EDT for Orange County, Windsor County, Vermont. It was in force for 77 min. 4 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
Aug 24, 1998, 7:08 PM EDT (23:08 UTC)
Expired
Aug 24, 1998, 8:25 PM EDT
In force
77 min
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Orange County, VT, Windsor County, VT

What was reported inside it

TimeReportWhereRemark
Aug 24, 7:10 PM EDTThunderstorm WindTunbridge, VT
Aug 24, 7:10 PM EDTThunderstorm WindRandolph, VT
Aug 24, 7:15 PM EDTThunderstorm WindChelsea, VT
Aug 24, 7:15 PM EDTThunderstorm WindBethel, 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.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.1 hours before the alert went out and 164 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 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1304 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
1304 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 1:51 PM EDTSevere Thunderstorm WarningBTVAddison49 min
Aug 24, 2:32 PM EDTSevere Thunderstorm WarningBTVOrange48 min
Aug 24, 2:44 PM EDTSevere Thunderstorm WarningBTVAddison46 min
Aug 24, 2:56 PM EDTSevere Thunderstorm WarningBTVWashington49 min
Aug 24, 3:23 PM EDTFlash Flood WarningBTVAddison, Washington6 hr
Aug 24, 5:39 PM EDTSevere Thunderstorm WarningBTVChittenden61 min
Aug 24, 6:35 PM EDTSevere Thunderstorm WarningBTVAddison, Washington65 min
Aug 24, 6:43 PM EDTSevere Thunderstorm WarningBTVRutland77 min
Aug 24, 12:22 PM EDTSevere Thunderstorm WarningBTVSt. Lawrence48 min
Aug 24, 3:43 PM EDTSevere Thunderstorm WarningBTVSt. Lawrence77 min
Aug 24, 4:26 PM EDTSevere Thunderstorm WarningBTVFranklin59 min
Aug 24, 4:54 PM EDTSevere Thunderstorm WarningBTVClinton61 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1998Every severe thunderstorm warning in 1998

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.