Alert archive / Vermont / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 22, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at May 29, 2020, 7:31 PM EDT for 5 counties in 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 29, 2020, 7:31 PM EDT (23:31 UTC)
- Expired
- May 29, 2020, 8:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Caledonia County, VT, Essex County, VT, Lamoille County, VT, Orleans County, VT, Washington County, VT
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 29, 3:01 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 11.5 hours before the alert went out and 245 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
- 12 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 888 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 128 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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.
NWS Burlington, VT wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 4:41 PM EDT, 2 hours 50 minutes earlier.
Area forecast discussion, May 29, 4:41 PM EDT, 2 hours 50 minutes before
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</html>Hazardous weather outlook, May 29, 3:03 PM EDT, 4 hours 28 minutes before
Hazardous Weather Outlook National Weather Service Burlington VT 303 PM EDT Fri May 29 2020 NYZ028-031-034-035-VTZ001>012-016>019-301915- Eastern Clinton-Western Clinton-Western Essex-Eastern Essex- Grand Isle-Western Franklin-Orleans-Essex-Western Chittenden- Lamoille-Caledonia-Washington-Western Addison-Orange-Western Rutland- Windsor-Eastern Franklin-Eastern Chittenden-Eastern Addison- Eastern Rutland- 303 PM EDT Fri May 29 2020 ...SEVERE THUNDERSTORM WATCH 235 IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for northern New York, central Vermont, northeast Vermont, northwest Vermont and southern Vermont. .DAY ONE...This afternoon and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. NYZ026-027-029-030-087-301915- Northern St. Lawrence-Northern Franklin-Southeastern St. Lawrence- Southern Franklin-Southwestern St. Lawrence- 303 PM EDT Fri May 29 2020 This Hazardous Weather Outlook is for northern New York. .DAY ONE...This afternoon and tonight. Scattered showers and thunderstorms will continue through this afternoon into late tonight. A few of these storms could be strong to severe and will have the potential to produce locally heavy downpours, strong gusty winds, small hail, and frequent lightning. There is an isolated threat for flash flooding, though widespread flooding is not expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Hazardous weather is not expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, May 29, 4:58 PM EDT, 2 hours 33 minutes before
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</html>Local storm report, May 29, 5:06 PM EDT, 2 hours 25 minutes before
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</html>Local storm report, May 29, 6:38 PM EDT, 53 minutes before
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</html>Special weather statement, May 29, 7:13 PM EDT, 18 minutes before
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</html>The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 3:13 PM EDT | Severe Thunderstorm Warning | BTV | Chittenden, Franklin, Grand Isle | 62 min |
| May 29, 3:16 PM EDT | Special Weather Statement | BTV | Rutland | 44 min |
| May 29, 3:21 PM EDT | Severe Thunderstorm Warning | BTV | Rutland | 39 min |
| May 29, 3:33 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Orange, Rutland, Washington, Windsor | 42 min |
| May 29, 3:56 PM EDT | Severe Thunderstorm Warning | BTV | Chittenden, Franklin, Grand Isle, Lamoille | 49 min |
| May 29, 4:45 PM EDT | Special Weather Statement | BTV | Chittenden, Franklin, Lamoille | 45 min |
| May 29, 5:46 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Chittenden | 32 min |
| May 29, 6:35 PM EDT | Severe Thunderstorm Warning | BTV | Addison, Orange, Rutland, Windsor | 28 min |
| May 29, 7:13 PM EDT | Special Weather Statement | BTV | Chittenden, Grand Isle | 47 min |
| May 29, 7:35 PM EDT | Special Weather Statement | BTV | Rutland | 40 min |
| May 29, 7:39 PM EDT | Severe Thunderstorm Warning | BTV | Chittenden, Franklin, Grand Isle, Lamoille | 31 min |
| May 29, 1:47 PM EDT | Special Weather Statement | BTV | Essex | 58 min |
| May 29, 2:15 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex, Franklin | 60 min |
| May 29, 3:24 PM EDT | Special Weather Statement | BTV | St. Lawrence | 66 min |
| May 29, 4:44 PM EDT | Special Weather Statement | BTV | St. Lawrence | 61 min |
| May 29, 4:58 PM EDT | Special Weather Statement | BTV | Essex | 47 min |
| May 29, 6:27 PM EDT | Special Weather Statement | BTV | Clinton, Essex | 48 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 2020Every severe thunderstorm warning in 2020
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.