Alert archive / Vermont / Special Weather Statements in 2012

Special Weather Statement, NWS Burlington, VT

May 16, 2012Washington County, Vermont

NWS Burlington, VT issued this special weather statement at May 16, 2012, 4:05 PM EDT for Washington County, Vermont. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 16, 2012, 4:05 PM EDT (20:05 UTC)
Expired: May 16, 2012, 5:00 PM EDT
In force: 55 min
Issued by: NWS Burlington, VT

County Washington County, VT

The radar

The Burlington radar (KCXX), 32 km from the middle of the area, began a volume at 20:08 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, 8.1 hours before the alert went out and 193 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: 304 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 484 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 56 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 16, 2:12 PM EDT, 1 hour 53 minutes earlier.

Area forecast discussion, May 16, 2:12 PM EDT, 1 hour 53 minutes before

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Hazardous weather outlook, May 16, 3:16 PM EDT, 49 minutes before

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In the hours before

Special weather statement, May 16, 2:41 PM EDT, 1 hour 24 minutes before

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Local storm report, May 16, 2:52 PM EDT, 1 hour 13 minutes before

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Local storm report, May 16, 3:37 PM EDT, 28 minutes before

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Special weather statement, May 16, 3:41 PM EDT, 24 minutes before

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Local storm report, May 16, 3:58 PM EDT, 7 minutes before

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Special weather statement, May 16, 4:05 PM EDT, 0 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
May 16, 2:02 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, Grand Isle, Orleans	28 min
May 16, 2:27 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, Grand Isle	47 min
May 16, 3:02 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Washington	58 min
May 16, 3:41 PM EDT	Special Weather Statement	BTV	Chittenden, Franklin, Grand Isle, Lamoille	49 min
May 16, 4:11 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Franklin, Lamoille, Washington	64 min
May 16, 5:53 PM EDT	Special Weather Statement	BTV	Caledonia, Essex	67 min
May 16, 6:37 PM EDT	Special Weather Statement	BTV	Windsor	53 min
May 16, 1:29 PM EDT	Special Weather Statement	BTV	Clinton	61 min
May 16, 2:41 PM EDT	Special Weather Statement	BTV	Essex	64 min

Nearby

Special Weather Statements in Vermont, 2012 Every special weather statement in 2012

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.