Alert archive / Vermont / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 28, NWS Burlington, VT

July 1, 20267 counties in Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jul 1, 2026, 10:57 PM EDT for 7 counties in Vermont. It was in force for 63 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: Jul 1, 2026, 10:57 PM EDT (02:57 UTC)
Expired: Jul 2, 2026, 12:00 AM EDT
In force: 63 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Caledonia County, VT, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Orleans County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 39 km from the middle of the area, began a volume at 03:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 1, 4:57 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 3.0 hours before the alert went out and 232 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1271 J/kg
Mixed-layer CIN: -128 J/kg
Mixed-layer LCL: 1511 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

Open this sounding in Storm Lab

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 Jul 1, 5:05 PM EDT, 5 hours 52 minutes earlier.

Area forecast discussion, Jul 1, 5:05 PM EDT, 5 hours 52 minutes before

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Hazardous weather outlook, Jul 1, 5:07 PM EDT, 5 hours 50 minutes before

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In the hours before

Local storm report, Jul 1, 6:31 PM EDT, 4 hours 26 minutes before

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Local storm report, Jul 1, 7:36 PM EDT, 3 hours 21 minutes before

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Local storm report, Jul 1, 7:44 PM EDT, 3 hours 13 minutes before

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Local storm report, Jul 1, 7:50 PM EDT, 3 hours 7 minutes before

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Local storm report, Jul 1, 7:51 PM EDT, 3 hours 6 minutes before

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Local storm report, Jul 1, 7:54 PM EDT, 3 hours 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 8:25 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Orleans, Washington	51 min
Jul 1, 8:28 PM EDT	Severe Thunderstorm Warning	BTV	Orange, Rutland, Windsor	37 min
Jul 1, 8:48 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Orange, Washington	57 min
Jul 1, 9:44 PM EDT	Severe Thunderstorm Warning Considerable damage threat	BTV	Addison, Chittenden	46 min
Jul 1, 9:56 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle	64 min
Jul 1, 10:27 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Orange, Rutland, Washington, Windsor	63 min
Jul 1, 11:13 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Caledonia, Chittenden, Essex, Lamoille, Orange and 3 more	62 min
Jul 2, 5:19 PM EDT	Special Weather Statement	BTV	Orange	26 min
Jul 1, 8:03 PM EDT	Severe Thunderstorm Warning	BTV	St. Lawrence	57 min
Jul 1, 8:54 PM EDT	Severe Thunderstorm Warning Considerable damage threat	BTV	Essex, Franklin, St. Lawrence	66 min
Jul 2, 4:00 PM EDT	Special Weather Statement	BTV	Franklin	45 min
Jul 2, 4:09 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	27 min
Jul 2, 4:19 PM EDT	Severe Thunderstorm Warning	BTV	St. Lawrence	56 min
Jul 2, 5:10 PM EDT	Severe Thunderstorm Warning	BTV	St. Lawrence	65 min
Jul 2, 5:58 PM EDT	Special Weather Statement	BTV	Franklin	47 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2026 Every 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.