Alert archive / Vermont / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 19, NWS Burlington, VT

June 10, 20085 counties in Vermont; Clinton County, Essex County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jun 10, 2008, 7:17 PM EDT for 5 counties in Vermont; Clinton County, Essex County, New York. It was in force for 58 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: Jun 10, 2008, 7:17 PM EDT (23:17 UTC)
Expired: Jun 10, 2008, 8:15 PM EDT
In force: 58 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Clinton County, NY, Essex County, NY, Chittenden County, VT, Franklin County, VT, Grand Isle County, VT, Lamoille County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 5 km from the middle of the area, began a volume at 23:20 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
Jun 10, 5:47 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.3 hours before the alert went out and 214 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: 1481 J/kg
Mixed-layer CIN: -115 J/kg
Mixed-layer LCL: 1133 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

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 Jun 10, 6:37 PM EDT, 40 minutes earlier.

Area forecast discussion, Jun 10, 6:37 PM EDT, 40 minutes before

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Hazardous weather outlook, Jun 10, 6:18 PM EDT, 59 minutes before

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In the hours before

Local storm report, Jun 10, 4:55 PM EDT, 2 hours 22 minutes before

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Local storm report, Jun 10, 4:56 PM EDT, 2 hours 21 minutes before

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Local storm report, Jun 10, 5:01 PM EDT, 2 hours 16 minutes before

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Local storm report, Jun 10, 5:04 PM EDT, 2 hours 13 minutes before

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Special weather statement, Jun 10, 6:09 PM EDT, 1 hour 8 minutes before

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Local storm report, Jun 10, 7:12 PM EDT, 5 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
Jun 10, 1:25 PM EDT	Severe Thunderstorm Warning	BTV	Grand Isle	65 min
Jun 10, 1:29 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Grand Isle	46 min
Jun 10, 2:05 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle, Lamoille, Washington	55 min
Jun 10, 2:34 PM EDT	Areal Flood Advisory	BTV	Chittenden	2 hr
Jun 10, 2:55 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Lamoille, Orange, Rutland, Washington	65 min
Jun 10, 3:05 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Franklin, Lamoille, Orleans	55 min
Jun 10, 3:37 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Caledonia, Essex, Lamoille, Orange, Orleans and 3 more	53 min
Jun 10, 4:16 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Orange	24 min
Jun 10, 6:27 PM EDT	Severe Thunderstorm Warning	BTV	Rutland, Windsor	48 min
Jun 10, 7:12 PM EDT	Severe Thunderstorm Warning	BTV	Rutland, Windsor	63 min
Jun 10, 7:57 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Franklin, Lamoille, Orleans, Washington	63 min
Jun 10, 7:57 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Caledonia, Orange, Washington, Windsor	48 min
Jun 10, 11:51 AM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	54 min
Jun 10, 12:42 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	63 min
Jun 10, 2:17 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Essex	39 min
Jun 10, 5:49 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	41 min
Jun 10, 6:30 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Essex, Franklin, St. Lawrence	60 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2008 Severe Thunderstorm Warnings in New York, 2008 Every severe thunderstorm warning in 2008

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.