Alert archive / Vermont / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Burlington, VT

June 10, 20085 counties in Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jun 10, 2008, 7:57 PM EDT for 5 counties in Vermont. It was in force for 48 min. 1 report 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: Jun 10, 2008, 7:57 PM EDT (23:57 UTC)
Expired: Jun 10, 2008, 8:45 PM EDT
In force: 48 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon

Counties Addison County, VT, Caledonia County, VT, Orange County, VT, Washington County, VT, Windsor County, VT

The radar

The Burlington radar (KCXX), 57 km from the middle of the area, began a volume at 23:56 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
Jun 10, 8:00 PM EDT	TSTM WND DMG	Warren, VT	TREES 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.

Issued	Product	Office	Lasted
Jun 10, 5:47 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Gray, ME (KGYX), launched 12:00Z, 12.0 hours before the alert went out and 190 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: 535 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1177 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 102 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 
WUUS51 KBTV 102357 RRA
SVRBTV
VTC001-005-017-023-027-110045-
/O.NEW.KBTV.SV.W.0021.080610T2357Z-080611T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
757 PM EDT TUE JUN 10 2008

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ADDISON COUNTY IN CENTRAL VERMONT
  ORANGE COUNTY IN CENTRAL VERMONT
  WASHINGTON COUNTY IN CENTRAL VERMONT
  CALEDONIA COUNTY IN NORTHEAST VERMONT

* UNTIL 845 PM EDT.

* AT 752 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GRANVILLE...AND MOVING NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTHFIELD AROUND 810 PM EDT.
  NORTHFIELD FALLS AROUND 815 PM EDT.
  BERLIN...MONTPELIER...BARRE AND SOUTH BARRE AROUND 820 PM EDT.
  EAST MONTPELIER AROUND 825 PM EDT.
  PLAINFIELD AROUND 830 PM EDT.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 

LAT...LON 4432 7270 4439 7221 4414 7216 4389 7289
      4408 7297
TIME...MOT...LOC 2357Z 227DEG 43KT 4405 7284

$$

DMD

1 follow-up statement

000 
WWUS51 KBTV 110044
SVSBTV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
843 PM EDT TUE JUN 10 2008

VTC001-005-017-023-027-110053-
/O.EXP.KBTV.SV.W.0021.000000T0000Z-080611T0045Z/
CALEDONIA VT-WASHINGTON VT-ORANGE VT-WINDSOR VT-ADDISON VT-
843 PM EDT TUE JUN 10 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ADDISON...EXTREME
NORTHWESTERN WINDSOR...NORTHWESTERN ORANGE...SOUTHERN WASHINGTON AND
SOUTHWESTERN CALEDONIA COUNTIES EXPIRES AT 845 PM EDT...THE THREAT 
FOR SEVERE WEATHER HAS DIMINSHED...BUT THUNDERSTORMS WILL CONTINUE 
THROUGH MIDNIGHT.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 AM EDT
WEDNESDAY MORNING FOR NORTHERN NEW YORK AND VERMONT.

LAT...LON 4432 7270 4439 7221 4414 7216 4389 7289
      4408 7297
TIME...MOT...LOC 0043Z 227DEG 43KT 4442 7228

$$

DMD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 1:25 PM EDT	Severe Thunderstorm Warning	BTV	Grand Isle	65 min
Jun 10, 1:29 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Grand Isle	46 min
Jun 10, 2:05 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle, Lamoille, Washington	55 min
Jun 10, 2:34 PM EDT	Areal Flood Advisory	BTV	Chittenden	2 hr
Jun 10, 2:55 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Chittenden, Lamoille, Orange, Rutland, Washington	65 min
Jun 10, 3:05 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Franklin, Lamoille, Orleans	55 min
Jun 10, 3:37 PM EDT	Severe Thunderstorm Warning	BTV	Addison, Caledonia, Essex, Lamoille, Orange, Orleans and 3 more	53 min
Jun 10, 4:16 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Orange	24 min
Jun 10, 6:27 PM EDT	Severe Thunderstorm Warning	BTV	Rutland, Windsor	48 min
Jun 10, 7:12 PM EDT	Severe Thunderstorm Warning	BTV	Rutland, Windsor	63 min
Jun 10, 7:17 PM EDT	Severe Thunderstorm Warning	BTV	Chittenden, Franklin, Grand Isle, Lamoille, Washington	58 min
Jun 10, 7:57 PM EDT	Severe Thunderstorm Warning	BTV	Caledonia, Essex, Franklin, Lamoille, Orleans, Washington	63 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2008 Every severe thunderstorm warning in 2008

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.