Alert archive / Vermont / Special Weather Statements in 2015

Special Weather Statement, NWS Burlington, VT

August 4, 2015Orange County, Windsor County, Vermont

NWS Burlington, VT issued this special weather statement at Aug 4, 2015, 1:46 PM EDT for Orange County, Windsor County, Vermont. It was in force for 59 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: Aug 4, 2015, 1:46 PM EDT (17:46 UTC)
Expired: Aug 4, 2015, 2:45 PM EDT
In force: 59 min
Issued by: NWS Burlington, VT

Counties Orange County, VT, Windsor County, VT

The radar

The Burlington radar (KCXX), 91 km from the middle of the area, began a volume at 17:49 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

Gray, ME (KGYX), launched 12:00Z, 5.8 hours before the alert went out and 170 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: 199 J/kg
Mixed-layer CIN: -114 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 71 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Aug 4, 1:20 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 4, 1:20 PM EDT, 26 minutes before

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Hazardous weather outlook, Aug 4, 3:58 AM EDT, 9 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
ISSUED BY NATIONAL WEATHER SERVICE ALBANY NY
358 AM EDT TUE AUG 4 2015

NYZ026>031-034-035-087-VTZ001>012-016>019-051100-
NORTHERN ST. LAWRENCE-NORTHERN FRANKLIN-EASTERN CLINTON-
SOUTHEASTERN ST. LAWRENCE-SOUTHERN FRANKLIN-WESTERN CLINTON-
WESTERN ESSEX-EASTERN ESSEX-SOUTHWESTERN ST. LAWRENCE-GRAND ISLE-
WESTERN FRANKLIN-ORLEANS-ESSEX-WESTERN CHITTENDEN-LAMOILLE-CALEDONIA-
WASHINGTON-WESTERN ADDISON-ORANGE-WESTERN RUTLAND-WINDSOR-
EASTERN FRANKLIN-EASTERN CHITTENDEN-EASTERN ADDISON-EASTERN RUTLAND-
358 AM EDT TUE AUG 4 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN NEW YORK...CENTRAL
VERMONT...NORTHEAST VERMONT...NORTHWEST VERMONT AND SOUTHERN
VERMONT.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON INTO EARLY THIS
EVENING. SOME OF THE THUNDERSTORMS MAY HAVE GUSTY WINDS AND SMALL
HAIL.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THERE IS A CHANCE OF THUNDERSTORMS WEDNESDAY AFTERNOON. SOME OF
THE THUNDERSTORMS MAY HAVE SMALL HAIL AND GUSTY WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Aug 4, 12:59 PM EDT, 47 minutes before

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Local storm report, Aug 4, 1:00 PM EDT, 46 minutes before

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Local storm report, Aug 4, 1:27 PM EDT, 19 minutes before

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Local storm report, Aug 4, 1:34 PM EDT, 12 minutes before

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Local storm report, Aug 4, 1:35 PM EDT, 11 minutes before

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Special weather statement, Aug 4, 1:46 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
Aug 3, 8:11 PM EDT	Special Weather Statement	BTV	Essex	34 min
Aug 4, 11:11 AM EDT	Special Weather Statement	BTV	Chittenden	34 min
Aug 4, 11:49 AM EDT	Special Weather Statement	BTV	Addison, Washington	56 min
Aug 4, 11:54 AM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Orange, Washington	66 min
Aug 4, 12:09 PM EDT	Special Weather Statement	BTV	Essex	51 min
Aug 4, 12:13 PM EDT	Severe Thunderstorm Warning	BTV	Addison	35 min
Aug 4, 12:47 PM EDT	Special Weather Statement	BTV	Caledonia, Essex, Orange, Washington	58 min
Aug 4, 2:45 PM EDT	Severe Thunderstorm Warning	BTV	Orange, Rutland, Windsor	60 min
Aug 4, 5:28 PM EDT	Special Weather Statement	BTV	Windsor	47 min
Aug 4, 7:29 AM EDT	Special Weather Statement	BTV	Franklin	46 min
Aug 4, 7:55 AM EDT	Special Weather Statement	BTV	Clinton	35 min

Nearby

Special Weather Statements in Vermont, 2015 Every special weather statement in 2015

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.