Alert archive / Vermont / Tornado Warnings in 2011

Tornado Warning 5, NWS Burlington, VT

May 26, 20114 counties in Vermont

NWS Burlington, VT issued this tornado warning at May 26, 2011, 8:13 PM EDT for 4 counties in Vermont. It was in force for 47 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 26, 2011, 8:13 PM EDT (00:13 UTC)
Expired
May 26, 2011, 9:00 PM EDT
In force
47 min
Issued by
NWS Burlington, VT
Area
Storm-based polygon

Counties Caledonia County, VT, Essex County, VT, Orange County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 92 km from the middle of the area, began a volume at 00:14 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.

What was reported inside it

TimeReportWhereRemark
May 26, 8:15 PM EDTHAIL 0.88Danville, VTNICKEL SIZE HAIL ON BRAINERD STREET
May 26, 8:35 PM EDTHAIL 1.75West Barnet, VTQUARTER TO GOLF BALL SIZE HAIL REPORTED.
May 26, 8:45 PM EDTHAIL 1East Barnet, VTQUARTER SIZE HAIL REPORTED

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 0.2 hours before the alert went out and 150 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-pSkew-T log-p diagram, Gray, ME at 00:00Z on 2011-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 00:00Z on 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 269 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
800 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
269 m²/s²
0-3 km storm-relative helicity
276 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

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

960 
WFUS51 KBTV 270013
TORBTV
VTC005-009-017-023-270100-
/O.NEW.KBTV.TO.W.0005.110527T0013Z-110527T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
813 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN CALEDONIA COUNTY IN NORTHEAST VERMONT...
  NORTHEASTERN ORANGE COUNTY IN CENTRAL VERMONT...
  EAST CENTRAL WASHINGTON COUNTY IN CENTRAL VERMONT...
  SOUTHWESTERN ESSEX COUNTY IN NORTHEAST VERMONT...

* UNTIL 900 PM EDT.

* AT 809 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THE POSSIBLE
  TORNADO WAS LOCATED NEAR WEST GROTON...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  GROTON...NEWBURY...PEACHAM...BARNET...DANVILLE...PASSUMPSIC...LOWER
  WATERFORD...ST. JOHNSBURY...

THIS TORNADIC STORM IS ALSO CAPABLE OF PRODUCING DAMAGING STRAIGHT
LINE WINDS...LARGE HAIL...AND DEADLY LIGHTNING.

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT TORNADOES...DAMAGING
WINDS...OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE...1 800 8 6 3 4 2 7 9...OR BY SUBMITTING A STORM REPORT AT
WEATHER.GOV/BURLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE...OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS. AS A LAST RESORT..LIE DOWN IN A LOW
LYING AREA AND COVER YOUR HEAD.

&&

LAT...LON 4434 7190 4433 7198 4431 7203 4428 7206
      4425 7204 4418 7205 4415 7203 4411 7205
      4410 7202 4408 7203 4406 7240 4425 7255
      4451 7194
TIME...MOT...LOC 0012Z 244DEG 37KT 4421 7228

$$
2 follow-up statements
448 
WWUS51 KBTV 270032
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
832 PM EDT THU MAY 26 2011

VTC005-009-017-023-270100-
/O.CON.KBTV.TO.W.0005.000000T0000Z-110527T0100Z/
CALEDONIA VT-ORANGE VT-WASHINGTON VT-ESSEX VT-
832 PM EDT THU MAY 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR EAST
CENTRAL WASHINGTON AND NORTHEASTERN ORANGE COUNTIES IN CENTRAL
VERMONT...AND SOUTHWESTERN ESSEX AND SOUTHERN CALEDONIA COUNTIES IN
NORTHEAST VERMONT...

AT 829 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING TORNADOES. THE
TORNADO WAS NEAR GROTON...MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
  BARNET CENTER...EXIT 18 I91...EAST BARNET...WEST WATERFORD...LOWER
  WATERFORD...EAST ST. JOHNSBURY...

THIS TORNADO IS ALSO CAPABLE OF PRODUCING DAMAGING STRAIGHT LINE
WINDS...LARGE HAIL...AND DEADLY LIGHTNING.

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT TORNADOES...DAMAGING
WINDS...OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE...1 800 8 6 3 4 2 7 9...OR BY SUBMITTING A STORM REPORT AT
WEATHER.GOV/BURLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...VEHICLE...OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS. AS A LAST RESORT..LIE DOWN IN A LOW
LYING AREA AND COVER YOUR HEAD.

&&

LAT...LON 4434 7190 4433 7198 4431 7203 4428 7206
      4425 7204 4418 7205 4415 7203 4411 7205
      4410 7202 4408 7203 4406 7240 4425 7255
      4451 7194
TIME...MOT...LOC 0032Z 235DEG 26KT 4427 7215

$$
387 
WWUS51 KBTV 270056
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
856 PM EDT THU MAY 26 2011

VTC005-009-017-023-270106-
/O.EXP.KBTV.TO.W.0005.000000T0000Z-110527T0100Z/
CALEDONIA VT-ORANGE VT-WASHINGTON VT-ESSEX VT-
856 PM EDT THU MAY 26 2011

...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON AND NORTHEASTERN
ORANGE COUNTIES IN CENTRAL VERMONT...AND SOUTHWESTERN ESSEX AND
SOUTHERN CALEDONIA COUNTIES IN NORTHEAST VERMONT WILL EXPIRE AT 900
PM EDT...

THE TORNADIC THUNDERSTORM HAS MOVED OUT OF THE AREA. THEREFORE THE
NATIONAL WEATHER SERVICE HAS ALLOWED THE TORNADO WARNING TO EXPIRE.

WHEN YOU CAN DO SO SAFELY...PLEASE REPORT TORNADOES...DAMAGING
WINDS...OR HAIL TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL
FREE...1 800 8 6 3 4 2 7 9...OR BY SUBMITTING A STORM REPORT AT
WEATHER.GOV/BURLINGTON.

LAT...LON 4434 7190 4433 7198 4431 7203 4428 7206
      4425 7204 4418 7205 4415 7203 4411 7205
      4410 7202 4408 7203 4406 7240 4425 7255
      4451 7194
TIME...MOT...LOC 0056Z 235DEG 26KT 4437 7195

$$

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 8:19 PM EDTFlash Flood WarningBTVAddison, Chittenden3 hr
May 26, 8:23 PM EDTSevere Thunderstorm WarningBTVOrange, Washington36 min
May 26, 8:29 PM EDTFlash Flood WarningBTVAddison, Caledonia, Chittenden, Essex, Lamoille, Orange and 4 more3 hr
May 26, 8:44 PM EDTFlash Flood WarningBTVAddison, Rutland6 hr
May 26, 9:03 PM EDTSpecial Weather StatementBTVCaledonia42 min
May 26, 10:15 PM EDTSpecial Weather StatementBTVEssex30 min
May 26, 10:28 PM EDTFlash Flood WarningBTVAddison, Caledonia, Chittenden, Essex, Franklin, Grand Isle and 6 more6 hr
May 26, 11:59 PM EDTRiver Flood WarningBTVWashington13 hr
May 26, 11:59 PM EDTRiver Flood WarningBTVChittenden39 hr
May 27, 12:16 AM EDTSevere Thunderstorm WarningBTVRutland, Windsor43 min
May 27, 1:01 AM EDTRiver Flood WarningBTVCaledonia42 hr
May 27, 4:07 AM EDTFlash Flood WarningBTVCaledonia, Essex, Lamoille, Orange, Orleans, Washington3 hr
May 27, 5:02 PM EDTSevere Thunderstorm WarningBTVAddison58 min
May 27, 5:11 PM EDTSevere Thunderstorm WarningBTVOrange, Rutland, Windsor64 min
May 27, 5:38 PM EDTSpecial Weather StatementBTVCaledonia37 min
May 27, 5:47 PM EDTSevere Thunderstorm WarningBTVAddison58 min
May 27, 6:32 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex28 min
May 27, 6:35 PM EDTFlash Flood WarningBTVAddison, Chittenden, Lamoille, Washington4 hr
May 27, 6:35 PM EDTSpecial Weather StatementBTVWashington25 min
May 27, 6:42 PM EDTSevere Thunderstorm WarningBTVCaledonia, Lamoille, Orange, Orleans, Washington63 min
May 27, 6:46 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex, Lamoille, Orleans, Washington59 min
May 27, 6:49 PM EDTSpecial Weather StatementBTVAddison26 min
May 27, 6:52 PM EDTSevere Thunderstorm WarningBTVWindsor40 min
May 27, 7:05 PM EDTFlash Flood WarningBTVCaledonia, Essex, Franklin, Lamoille, Orange, Orleans and 1 more3 hr
May 27, 7:27 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex, Orange, Washington63 min
May 27, 7:30 PM EDTSpecial Weather StatementBTVAddison30 min
May 27, 7:31 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex34 min

Nearby

Tornado Warnings in Vermont, 2011Every tornado warning in 2011Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.