Alert archive / Vermont / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 19, NWS Burlington, VT

June 2, 20136 counties in Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jun 2, 2013, 2:00 PM EDT for 6 counties in Vermont. It was in force for 90 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 2, 2013, 2:00 PM EDT (18:00 UTC)
Expired: Jun 2, 2013, 3:30 PM EDT
In force: 90 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Addison County, VT, Caledonia County, VT, Orange County, VT, Rutland County, VT, Washington County, VT, Windsor County, VT

The radar

The Burlington radar (KCXX), 71 km from the middle of the area, began a volume at 18:02 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 2, 11:33 AM EDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.0 hours before the alert went out and 173 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: 487 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 1034 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 164 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 2, 1:50 PM EDT, 10 minutes earlier.

Area forecast discussion, Jun 2, 1:50 PM EDT, 10 minutes before

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Hazardous weather outlook, Jun 2, 11:42 AM EDT, 2 hours 18 minutes before

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In the hours before

Special weather statement, Jun 2, 10:54 AM EDT, 3 hours 6 minutes before

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Special weather statement, Jun 2, 12:33 PM EDT, 1 hour 27 minutes before

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Special weather statement, Jun 2, 12:34 PM EDT, 1 hour 26 minutes before

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Special weather statement, Jun 2, 1:29 PM EDT, 31 minutes before

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Local storm report, Jun 2, 1:46 PM EDT, 14 minutes before

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Local storm report, Jun 2, 1:50 PM EDT, 10 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 1, 9:23 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle, Lamoille	52 min
Jun 1, 10:19 PM EDT	Special Weather Statement	BTV	Lamoille, Orleans	41 min
Jun 1, 10:50 PM EDT	Special Weather Statement	BTV	Caledonia, Essex, Orleans, Washington	55 min
Jun 2, 10:39 AM EDT	Special Weather Statement	BTV	Caledonia, Orange	66 min
Jun 2, 10:54 AM EDT	Special Weather Statement	BTV	Orleans	66 min
Jun 2, 12:33 PM EDT	Special Weather Statement	BTV	Addison, Rutland	57 min
Jun 2, 12:34 PM EDT	Special Weather Statement	BTV	Addison, Rutland	56 min
Jun 2, 1:03 PM EDT	Severe Thunderstorm Warning	BTV	Rutland	57 min
Jun 2, 1:29 PM EDT	Special Weather Statement	BTV	Addison, Washington	61 min
Jun 2, 1:33 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Lamoille, Washington	57 min
Jun 2, 2:37 PM EDT	Special Weather Statement	BTV	Franklin, Lamoille, Orleans	53 min
Jun 2, 3:10 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Washington	65 min
Jun 1, 8:19 PM EDT	Special Weather Statement	BTV	Clinton, Franklin	56 min
Jun 1, 9:02 PM EDT	Severe Thunderstorm Warning	BTV	Clinton, Franklin	58 min
Jun 1, 10:03 PM EDT	Special Weather Statement	BTV	Essex	57 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2013 Every severe thunderstorm warning in 2013

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.