Alert archive / Vermont / Special Weather Statements in 2011

Special Weather Statement, NWS Burlington, VT

May 28, 2011Addison County, Vermont

NWS Burlington, VT issued this special weather statement at May 28, 2011, 5:28 PM EDT for Addison County, Vermont. It was in force for 47 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 28, 2011, 5:28 PM EDT (21:28 UTC)
Expired: May 28, 2011, 6:15 PM EDT
In force: 47 min
Issued by: NWS Burlington, VT

County Addison County, VT

The radar

The Burlington radar (KCXX), 76 km from the middle of the area, began a volume at 21:30 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, 9.5 hours before the alert went out and 134 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: 167 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 742 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

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 28, 4:49 PM EDT, 39 minutes earlier.

Area forecast discussion, May 28, 4:49 PM EDT, 39 minutes before

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Hazardous weather outlook, May 28, 4:54 AM EDT, 12 hours 34 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BURLINGTON VT
454 AM EDT SAT MAY 28 2011

NYZ028>031-034-035-VTZ001>010-016>018-290900-
EASTERN CLINTON-SOUTHEASTERN ST. LAWRENCE-SOUTHERN FRANKLIN-
WESTERN CLINTON-WESTERN ESSEX-EASTERN ESSEX-GRAND ISLE-
WESTERN FRANKLIN-ORLEANS-ESSEX-WESTERN CHITTENDEN-LAMOILLE-CALEDONIA-
WASHINGTON-WESTERN ADDISON-ORANGE-EASTERN FRANKLIN-
EASTERN CHITTENDEN-EASTERN ADDISON-
454 AM EDT SAT MAY 28 2011

...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

IN ADDITION...SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON.
STRONGER STORMS WILL HAVE THE CAPABILITY OF PRODUCING GUSTY
WINDS...SMALL HAIL...AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE WITH APPROACH OF A
COLD FRONT ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

NYZ026-027-087-VTZ011-012-019-290900-
NORTHERN ST. LAWRENCE-NORTHERN FRANKLIN-SOUTHWESTERN ST. LAWRENCE-
WESTERN RUTLAND-WINDSOR-EASTERN RUTLAND-
454 AM EDT SAT MAY 28 2011

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. STRONGER
STORMS WILL HAVE THE CAPABILITY OF PRODUCING GUSTY WINDS...SMALL
HAIL...AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

ADDITIONAL STRONG THUNDERSTORMS ARE POSSIBLE WITH APPROACH OF A
COLD FRONT ON WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

In the hours before

Special weather statement, May 28, 4:25 PM EDT, 1 hour 3 minutes before

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Special weather statement, May 28, 4:36 PM EDT, 52 minutes before

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Local storm report, May 28, 4:56 PM EDT, 32 minutes before

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Local storm report, May 28, 5:03 PM EDT, 25 minutes before

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Special weather statement, May 28, 5:14 PM EDT, 14 minutes before

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Special weather statement, May 28, 5:28 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 28, 12:31 AM EDT	Areal Flood Warning	BTV	Caledonia, Essex, Orleans	6 hr
May 28, 3:36 AM EDT	Special Weather Statement	BTV	Caledonia, Essex, Orange, Orleans	54 min
May 28, 4:14 AM EDT	Flash Flood Watch	BTV	Addison, Caledonia, Chittenden, Essex, Franklin, Grand Isle and 4 more	18 hr
May 28, 1:26 PM EDT	Special Weather Statement	BTV	Caledonia, Essex, Lamoille, Orange, Orleans, Washington	109 min
May 28, 1:38 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Orange, Rutland, Washington, Windsor	67 min
May 28, 2:28 PM EDT	Severe Thunderstorm Warning	BTV	Addison	62 min
May 28, 4:36 PM EDT	Special Weather Statement	BTV	Washington	39 min
May 28, 5:14 PM EDT	Special Weather Statement	BTV	Caledonia	46 min
May 28, 6:02 PM EDT	Special Weather Statement	BTV	Washington	43 min
May 27, 9:41 PM EDT	River Flood Warning	BTV	Clinton, Essex	16 hr
May 27, 11:37 PM EDT	Special Weather Statement	BTV	Franklin, St. Lawrence	83 min
May 28, 1:06 AM EDT	Special Weather Statement	BTV	Essex	54 min
May 28, 2:16 AM EDT	Flash Flood Warning	BTV	Clinton, Essex	4 hr
May 28, 2:33 PM EDT	Special Weather Statement	BTV	Essex	57 min
May 28, 4:25 PM EDT	Special Weather Statement	BTV	Clinton, Essex	50 min

Nearby

Special Weather Statements in Vermont, 2011 Every special weather statement in 2011

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.