Alert archive / Vermont / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 36, NWS Burlington, VT

July 27, 2021Rutland County, Windsor County, Vermont

NWS Burlington, VT issued this severe thunderstorm warning at Jul 27, 2021, 3:46 PM EDT for Rutland County, Windsor County, Vermont. It was in force for 36 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: Jul 27, 2021, 3:46 PM EDT (19:46 UTC)
Expired: Jul 27, 2021, 4:22 PM EDT
In force: 36 min
Issued by: NWS Burlington, VT
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Rutland County, VT, Windsor County, VT

The radar

The Burlington radar (KCXX), 121 km from the middle of the area, began a volume at 19:49 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
Jul 27, 4:20 PM EDT	TSTM WND DMG	2 S Mt. Holly, VT	TREE DOWN ON POWERLINES, TIME APPROXIMATE

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, 7.8 hours before the alert went out and 122 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: 1464 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 46 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

278 
WUUS51 KBTV 271946
SVRBTV
VTC021-027-272045-
/O.NEW.KBTV.SV.W.0036.210727T1946Z-210727T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Burlington VT
346 PM EDT Tue Jul 27 2021

The National Weather Service in Burlington has issued a

* Severe Thunderstorm Warning for...
  Southeastern Rutland County in southern Vermont...
  Southwestern Windsor County in southern Vermont...

* Until 445 PM EDT.

* At 346 PM EDT, a severe thunderstorm was located over Chippenhook,
  moving east at 30 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and powerlines.

* Locations impacted include...
  Chester, Rutland, Woodstock, Cavendish, Ludlow Village, Rutland
  City, Perkinsville Village, Middletown Springs, Wallingford, Mt.
  Holly, Rutland - Southern Vermont Airport, Plymouth, Clarendon,
  West Rutland, Ira, Wells, Windsor, Mount Holly, Ludlow and Andover.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4344 7325 4363 7310 4352 7240 4350 7238
      4348 7238 4324 7258
TIME...MOT...LOC 1946Z 289DEG 28KT 4351 7307 

HAIL...0.75IN
WIND...60MPH
 
$$

Haynes

2 follow-up statements

927 
WWUS51 KBTV 272007
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
407 PM EDT Tue Jul 27 2021

VTC021-027-272045-
/O.CON.KBTV.SV.W.0036.000000T0000Z-210727T2045Z/
Rutland VT-Windsor VT-
407 PM EDT Tue Jul 27 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHEASTERN RUTLAND AND SOUTHWESTERN WINDSOR COUNTIES...

At 406 PM EDT, a severe thunderstorm was located over East
Wallingford, moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to trees and powerlines.

Locations impacted include...
Chester, Windsor, Mount Holly, Ludlow, Cavendish, Andover, Mount
Tabor, Weston, Tinmouth, Ludlow Village, Perkinsville Village,
Wallingford, Mt. Holly, Baltimore, Weathersfield, West Windsor,
Reading, Clarendon, Shrewsbury and Plymouth.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4340 7311 4353 7301 4348 7238 4324 7258
TIME...MOT...LOC 2006Z 289DEG 28KT 4346 7286 

HAIL...0.75IN
WIND...60MPH
 
$$

Haynes

880 
WWUS51 KBTV 272022
SVSBTV

Severe Weather Statement
National Weather Service Burlington VT
422 PM EDT Tue Jul 27 2021

VTC021-027-272032-
/O.CAN.KBTV.SV.W.0036.000000T0000Z-210727T2045Z/
Rutland VT-Windsor VT-
422 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RUTLAND AND
SOUTHWESTERN WINDSOR COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 4340 7311 4353 7301 4348 7238 4324 7258
TIME...MOT...LOC 2020Z 289DEG 28KT 4342 7269 

$$

Haynes

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 8:47 PM EDT	Special Weather Statement	BTV	Rutland, Windsor	28 min
Jul 26, 9:13 PM EDT	Special Weather Statement	BTV	Windsor	32 min
Jul 27, 3:11 PM EDT	Special Weather Statement	BTV	Rutland	64 min
Jul 27, 4:38 PM EDT	Special Weather Statement	BTV	Windsor	37 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2021 Every severe thunderstorm warning in 2021

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.