Alert archive / Vermont / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Burlington, VT

July 14, 20165 counties in Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jul 14, 2016, 4:07 PM EDT for 5 counties in Vermont. It was in force for 53 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
Jul 14, 2016, 4:07 PM EDT (20:07 UTC)
Expired
Jul 14, 2016, 5:00 PM EDT
In force
53 min
Issued by
NWS Burlington, VT
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Caledonia County, VT, Essex County, VT, Lamoille County, VT, Orleans County, VT, Washington County, VT

The radar

The Burlington radar (KCXX), 86 km from the middle of the area, began a volume at 20:11 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
Jul 14, 4:18 PM EDTTSTM WND DMG1 E Calais, VTTREES DOWN...POWER LINES DOWN...SPARKING FIRE ON POWER LINE.
Jul 14, 4:48 PM EDTTSTM WND DMGSt. Johnsbury, VTTREES DOWN
Jul 14, 4:50 PM EDTTSTM WND DMG2 Nw Lyndonville, VTTREES DOWN

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 14, 12:58 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 8.1 hours before the alert went out and 156 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 12:00Z on 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
2 J/kg
Mixed-layer CIN
-238 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

863 
WUUS51 KBTV 142007
SVRBTV
VTC005-009-015-019-023-142100-
/O.NEW.KBTV.SV.W.0021.160714T2007Z-160714T2100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
407 PM EDT THU JUL 14 2016

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LAMOILLE COUNTY IN NORTHWESTERN VERMONT...
  SOUTHERN ORLEANS COUNTY IN NORTHEASTERN VERMONT...
  NORTHEASTERN WASHINGTON COUNTY IN CENTRAL VERMONT...
  SOUTHWESTERN ESSEX COUNTY IN NORTHEASTERN VERMONT...
  CALEDONIA COUNTY IN NORTHEASTERN VERMONT...

* UNTIL 500 PM EDT

* AT 406 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER SOUTH
  WOODBURY...MOVING EAST NORTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  BARRE...MONTPELIER...LITTLETON...STOWE...HARDWICK...BERLIN...EAST
  MONTPELIER...DANVILLE...MORRISVILLE...MIDDLESEX...BARNET...
  WOLCOTT...CALAIS...PLAINFIELD...CONCORD...CRAFTSBURY...GLOVER...
  SUTTON...WORCESTER AND WALDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4480 7193 4438 7180 4438 7181 4435 7181
      4434 7185 4435 7191 4434 7193 4434 7198
      4432 7201 4432 7203 4430 7204 4428 7206
      4421 7240 4422 7242 4421 7242 4416 7269
      4452 7279
TIME...MOT...LOC 2006Z 249DEG 32KT 4442 7245 

HAIL...<.75IN
WIND...60MPH
 
$$

BANACOS
2 follow-up statements
347 
WWUS51 KBTV 142031
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
431 PM EDT THU JUL 14 2016

VTC005-009-015-019-023-142100-
/O.CON.KBTV.SV.W.0021.000000T0000Z-160714T2100Z/
LAMOILLE VT-ORLEANS VT-WASHINGTON VT-ESSEX VT-CALEDONIA VT-
431 PM EDT THU JUL 14 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR SOUTHEASTERN LAMOILLE...SOUTHERN ORLEANS...NORTHEASTERN
WASHINGTON...SOUTHWESTERN ESSEX AND CALEDONIA COUNTIES...

AT 430 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
WALDEN...MOVING EAST AT 35 MPH. THIS STORM HAS A HISTORY OF PRODUCING
WIND DAMAGE IN THE CALAIS AREA. 

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
LITTLETON...HARDWICK...DANVILLE...BARNET...WOLCOTT...CALAIS...
PLAINFIELD...CONCORD...CRAFTSBURY...GLOVER...SUTTON...WALDEN...
WOODBURY...ELMORE...WHEELOCK...GREENSBORO...PEACHAM...SHEFFIELD...
MARSHFIELD AND CABOT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4480 7193 4438 7180 4438 7181 4435 7181
      4434 7185 4435 7191 4434 7193 4434 7198
      4432 7201 4432 7203 4430 7204 4428 7206
      4421 7240 4424 7241 4428 7243 4439 7247
      4460 7254
TIME...MOT...LOC 2030Z 249DEG 30KT 4445 7222 

HAIL...<.75IN
WIND...60MPH
 
$$

BANACOS
995 
WWUS51 KBTV 142054
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
454 PM EDT THU JUL 14 2016

VTC005-009-015-019-023-142102-
/O.EXP.KBTV.SV.W.0021.000000T0000Z-160714T2100Z/
LAMOILLE VT-ORLEANS VT-WASHINGTON VT-ESSEX VT-CALEDONIA VT-
454 PM EDT THU JUL 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAMOILLE...
SOUTHERN ORLEANS...NORTHEASTERN WASHINGTON...SOUTHWESTERN ESSEX AND
CALEDONIA COUNTIES WILL EXPIRE AT 500 PM EDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED INTO EASTERN
CALEDONIA AND ESSEX COUNTIES IN FAR NORTHEASTERN VERMONT. 
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
BURLINGTON.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
THE EASTERN HALF OF CALEDONIA COUNTY AND ESSEX COUNTY IN VERMONT. 

LAT...LON 4480 7193 4438 7180 4438 7181 4435 7181
      4434 7185 4435 7191 4434 7193 4434 7198
      4432 7201 4432 7203 4430 7204 4428 7206
      4421 7240 4424 7241 4428 7243 4439 7247
      4460 7254
TIME...MOT...LOC 2052Z 249DEG 32KT 4451 7201 

$$

BANACOS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 8:00 PM EDTSpecial Weather StatementBTVAddison60 min
Jul 14, 2:03 PM EDTSpecial Weather StatementBTVFranklin, Grand Isle57 min
Jul 14, 3:09 PM EDTSpecial Weather StatementBTVWashington66 min
Jul 14, 3:17 PM EDTSevere Thunderstorm WarningBTVAddison, Caledonia, Chittenden, Lamoille, Washington58 min
Jul 14, 3:29 PM EDTSpecial Weather StatementBTVRutland61 min
Jul 14, 3:30 PM EDTSpecial Weather StatementBTVChittenden, Lamoille60 min
Jul 14, 3:43 PM EDTSpecial Weather StatementBTVFranklin62 min
Jul 14, 3:45 PM EDTSevere Thunderstorm WarningBTVAddison, Orange, Rutland, Washington, Windsor48 min
Jul 14, 4:37 PM EDTSpecial Weather StatementBTVRutland, Windsor53 min
Jul 14, 4:46 PM EDTSevere Thunderstorm WarningBTVCaledonia, Essex, Orange48 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2016Every severe thunderstorm warning in 2016

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.