Alert archive / Vermont / Tornado Warnings in 2007

Tornado Warning 2, NWS Burlington, VT

August 16, 2007Chittenden County, Franklin County, Grand Isle County, Vermont

NWS Burlington, VT issued this tornado warning at Aug 16, 2007, 3:52 PM EDT for Chittenden County, Franklin County, Grand Isle County, Vermont. It was in force for 38 min. 12 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: Aug 16, 2007, 3:52 PM EDT (19:52 UTC)
Expired: Aug 16, 2007, 4:30 PM EDT
In force: 38 min
Issued by: NWS Burlington, VT
Area: Counties, with a storm outline in the text

Counties Chittenden County, VT, Franklin County, VT, Grand Isle County, VT

The radar

The Burlington radar (KCXX), 19 km from the middle of the area, began a volume at 19:52 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

Time	Report	Where	Remark
Aug 16, 3:55 PM EDT	FUNNEL CLOUD	2 N South Hero, VT	FUNNEL CLOUD REPORTED TO THE NORTH BY FIRE CHIEF
Aug 16, 3:55 PM EDT	TSTM WND DMG	Grand Isle, VT	NUMEROUS TREES AND POWERLINES DOWN ALONG ROUTE 2 WITH ROAD BEING BLOCKED. WIND DAMAGE TO SEVERAL CAMPS ALONG WEST SIDE OF ROUTE 2. TREE FELL AND DAMAGED A HOUSE ON IRISH ROVER LANE.
Aug 16, 3:55 PM EDT	HAIL 1	Grand Isle, VT	QUARTER SIZE HAIL AND GREATER REPORTED.
Aug 16, 4:00 PM EDT	TSTM WND DMG	Georgia Center, VT	NUMEROUS TREES DOWN ALONG INTERSTATE 89 NEAR EXIT 18 ALONG BOTH NORTH AND SOUTH BOUND LANES CLOSING THE INTERSTATE.
Aug 16, 4:02 PM EDT	TSTM WND DMG	Milton, VT	TREES DOWN WITH ESTIMATED WINDS IN EXCESS OF 60 MPH.
Aug 16, 4:05 PM EDT	TSTM WND DMG	Milton, VT	TREES AND POWERLINES DOWN ALONG ROUTE 104 IN MILTON
Aug 16, 4:08 PM EDT	TSTM WND DMG	Georgia Center, VT	NUMEROUS TREES AND POWERLINES DOWN.
Aug 16, 4:08 PM EDT	TSTM WND DMG	Westford, VT	TREES AND POWERLINES DOWN ALONG ROUTE 128
Aug 16, 4:08 PM EDT	HAIL 1	Georgia Center, VT
Aug 16, 4:10 PM EDT	TSTM WND DMG	Milton, VT	40 FOOT TREE FELL ON A CAR
Aug 16, 4:15 PM EDT	TSTM WND DMG	Westford, VT	TREE DOWN WITH WALL CLOUD ASSOCIATED WITH STORM.
Aug 16, 4:20 PM EDT	TSTM WND DMG	Fairfax, VT	NUMEROUS TREES DOWN ON BUCK HOLLOW ROAD. THE DAMAGE PATH WAS ABOUT 1.5 MILES LONG

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

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.9 hours before the alert went out and 229 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 83 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.

000 
WFUS51 KBTV 161953
TORBTV
VTC007-011-013-162030-
/O.NEW.KBTV.TO.W.0002.070816T1952Z-070816T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
352 PM EDT THU AUG 16 2007

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  CHITTENDEN COUNTY IN NORTHWEST VERMONT
  FRANKLIN COUNTY IN NORTHWEST VERMONT
  GRAND ISLE COUNTY IN NORTHWEST VERMONT

* UNTIL 430 PM EDT.

* AT 350 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GRAND
  ISLE..MOVING EAST AT 50 MPH. 

* THE TORNADO IS WILL BE NEAR...
  GEORGIA CENTER AND 3 MILES NORTH OF MILTON AROUND 400 PM EDT.
  FAIRFAX AND 5 MILES SOUTH OF NORTH FAIRFAX AROUND 405 PM EDT.
  4 MILES NORTH OF WESTFORD AROUND 410 PM EDT.
  FLETCHER AROUND 415 PM EDT.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
70 MPH.

NUMEROUS REPORTS OF LARGE HAIL AND SIGNIFICANT WIND DAMAGE HAS 
ALREADY BEEN RECEIVED WITH THIS STORM.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO 
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE 
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE 
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM 
WINDOWS.

LAT...LON 4475 7335 4480 7333 4476 7280 4465 7291
      4464 7293 4462 7293 4444 7309 4469 7338
      4475 7337
TIME...MOT...LOC 1952Z 280DEG 44KT 4471 7327

$$
NASH

1 follow-up statement

000 
WWUS51 KBTV 162006
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
405 PM EDT THU AUG 16 2007

VTC007-011-013-162030-
/O.CON.KBTV.TO.W.0002.000000T0000Z-070816T2030Z/
GRAND ISLE VT-CHITTENDEN VT-FRANKLIN VT-
405 PM EDT THU AUG 16 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR 
SOUTHWESTERN FRANKLIN...NORTH CENTRAL CHITTENDEN AND SOUTHERN GRAND
ISLE COUNTIES IN VERMONT...

AT 403 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE 
POSSIBLE TORNADO WAS LOCATED NEAR MILTON..MOVING EAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  WESTFORD AND 9 MILES NORTH OF ESSEX CENTER AROUND 410 PM EDT.
  FLETCHER AROUND 415 PM EDT.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
70 MPH.  NUMEROUS REPORTS STRONG WINDS AND SIGNIFICANT WIND DAMAGE 
CONTINUE TO BE RECEIVED TO THIS OFFICE.

THIS IS A DANGEROUS STORM. 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT.  IF NO 
BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE 
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE 
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM 
WINDOWS.

LAT...LON 4475 7335 4480 7333 4476 7280 4465 7291
      4464 7293 4462 7293 4444 7309 4469 7338
      4475 7337
TIME...MOT...LOC 2003Z 288DEG 36KT 4465 7309

$$
NASH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 16, 3:39 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle	51 min
Aug 16, 4:14 PM EDT	Tornado Warning	BTV	Chittenden, Franklin, Lamoille	31 min
Aug 16, 4:40 PM EDT	Tornado Warning	BTV	Caledonia, Lamoille, Orleans, Washington	35 min
Aug 16, 5:14 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex	31 min
Aug 16, 5:29 PM EDT	Severe Thunderstorm Warning	BTV	Rutland	31 min
Aug 16, 5:36 PM EDT	Severe Thunderstorm Warning	BTV	Addison	24 min
Aug 16, 6:00 PM EDT	Tornado Warning	BTV	Rutland	35 min
Aug 16, 6:06 PM EDT	Severe Thunderstorm Warning	BTV	Windsor	39 min
Aug 16, 6:25 PM EDT	Tornado Warning	BTV	Windsor	35 min

Nearby

Tornado Warnings in Vermont, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.