Alert archive / Vermont / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 53, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Aug 8, 2026, 4:10 PM EDT for Chittenden County, Franklin County, Grand Isle County, Vermont; Clinton County, New York. It was in force for 34 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
- Aug 8, 2026, 4:10 PM EDT (20:10 UTC)
- Expired
- Aug 8, 2026, 4:44 PM EDT
- In force
- 34 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clinton County, NY, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT
The radar
The Burlington radar (KCXX), 23 km from the middle of the area, began a volume at 20:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 8.2 hours before the alert went out and 230 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
- 243 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 651 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 2:21 PM EDT | Special Weather Statement | BTV | Grand Isle | 24 min |
| Aug 8, 3:51 PM EDT | Special Weather Statement | BTV | Grand Isle | 39 min |
| Aug 8, 4:38 PM EDT | Special Weather Statement | BTV | Chittenden | 52 min |
| Aug 8, 12:16 AM EDT | Flash Flood Warning | BTV | Essex | 3 hr |
| Aug 8, 2:47 PM EDT | Special Weather Statement | BTV | Franklin | 28 min |
| Aug 8, 3:27 PM EDT | Special Weather Statement | BTV | Franklin | 33 min |
| Aug 8, 3:58 PM EDT | Special Weather Statement | BTV | St. Lawrence | 92 min |
Nearby
Severe Thunderstorm Warnings in Vermont, 2026Severe Thunderstorm Warnings in New York, 2026Every severe thunderstorm warning in 2026
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; radar from the NEXRAD Level II archive.