Alert archive / Vermont / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 61, NWS Burlington, VT

August 8, 1986Addison County, Chittenden County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Aug 8, 1986, 5:00 PM EDT for Addison County, Chittenden County, Vermont. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Aug 8, 1986, 5:00 PM EDT (21:00 UTC)
Expired
Aug 8, 1986, 6:00 PM EDT
In force
60 min
Issued by
NWS Burlington, VT
Area
Whole counties

Counties Addison County, VT, Chittenden 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, 9.0 hours before the alert went out and 231 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 1986-08-08Temperature 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 1986-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
3601 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 7, 8:00 PM EDTSevere Thunderstorm WarningBTVBennington60 min
Aug 8, 3:40 PM EDTSevere Thunderstorm WarningBTVAddison, Chittenden60 min
Aug 8, 4:45 PM EDTTornado WarningBTVChittenden55 min
Aug 8, 5:53 PM EDTSevere Thunderstorm WarningBTVLamoille57 min

Nearby

Severe Thunderstorm Warnings in Vermont, 1986Every severe thunderstorm warning in 1986

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.