Alert archive / Vermont / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 20, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jun 1, 1986, 3:00 PM EDT for Windsor County, Vermont. It was in force for 60 min. 1 report 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 1, 1986, 3:00 PM EDT (19:00 UTC)
- Expired
- Jun 1, 1986, 4:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Burlington, VT
- Area
- Whole counties
County Windsor 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 1, 3:45 PM EDT | Hail 1 | Windsor, 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
Albany, NY (KALB), launched 12:00Z, 7.0 hours before the alert went out and 141 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
- 889 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 195 m²/s²
- 0-3 km storm-relative helicity
- 188 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 1, 9:22 AM EDT, 5 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BURLINGTON VT 920 AM EDT SUN JUN 01 1986 ...SHOWERS AND THUNDERSTORMS OVER THE NORTH COUNTRY... AT 910 AM SHOWERS AND THUNDERSTORMS WERE IN AN AREA FROM WEST OF MASSENA EAST TO ROUSES POINT NEW YORK AND AND NORTHEAST INTO CANADA NEAR GRANBY QUEBEC. THE STRONGEST STORMS THAT MAY LIKELY PRODUCE HEAVY RAIN..STRONG GUSTY WINDS AND HAIL WERE JUST NORTH OF ELLENBURG DEPOT IN NORTHERN CLINTON COUNTY AND NEAR BRASHER FALLS IN NORTHERN ST LAWRENCE COUNTY..ALL IN NEW YORK. HEAVY RAIN SHOWERS WERE OCCURING IN WESTERN SARATOGA COUNTY NEAR SPIERS. FALLS. THE STORMS WERE MOVING EAST AT 45 MPH. END...LUISI.
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 11:10 AM EDT | Severe Thunderstorm Warning | BTV | Chittenden | 60 min |
| Jun 1, 11:25 AM EDT | Severe Thunderstorm Warning | BTV | Lamoille | 60 min |
| Jun 1, 12:00 PM EDT | Severe Thunderstorm Warning | BTV | Caledonia | 60 min |
| Jun 1, 1:30 PM EDT | Severe Thunderstorm Warning | BTV | Addison | 60 min |
| Jun 1, 2:00 PM EDT | Severe Thunderstorm Warning | BTV | Rutland, Windsor | 60 min |
| Jun 1, 4:00 PM EDT | Severe Thunderstorm Warning | BTV | Bennington, Windham | 60 min |
| Jun 1, 10:25 AM EDT | Severe Thunderstorm Warning | BTV | Clinton | 60 min |
| Jun 1, 1:10 PM EDT | Severe Thunderstorm Warning | BTV | Lewis | 65 min |
| Jun 1, 2:45 PM EDT | Severe Thunderstorm Warning | BTV | Oneida | 75 min |
| Jun 1, 3:05 PM EDT | Severe Thunderstorm Warning | BTV | Jefferson | 85 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.