Alert archive / Vermont / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 8, NWS Albany, NY

May 26, 2021Berkshire County, Massachusetts; Bennington County, Windham County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at May 26, 2021, 4:57 PM EDT for Berkshire County, Massachusetts; Bennington County, Windham County, Vermont. It was in force for 48 min. 4 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, 2021, 4:57 PM EDT (20:57 UTC)
Expired
May 26, 2021, 5:45 PM EDT
In force
48 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Berkshire County, MA, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 111 km from the middle of the area, began a volume at 21:01 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, 5:15 PM EDTTSTM WND DMG4 Nnw Athens, VTLARGE TREE DOWN
May 26, 5:15 PM EDTTSTM WND DMGSavoy, MALARGE TREE DOWN.
May 26, 5:20 PM EDTTSTM WND DMG1 Wsw Athens, VTTREE DOWN ON HERRING HILL RD
May 26, 5:30 PM EDTTSTM WND DMGBrattleboro, VTTREE DOWN NEAR EXIT 2 NORTHBOUND ON I-91

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
May 26, 12:59 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.0 hours before the alert went out and 90 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, Albany, NY at 12:00Z on 2021-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Albany, NY at 12:00Z on 2021-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
6 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

439 
WUUS51 KALY 262057
SVRALY
MAC003-VTC003-025-262145-
/O.NEW.KALY.SV.W.0008.210526T2057Z-210526T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
457 PM EDT Wed May 26 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northeastern Berkshire County in western Massachusetts...
  Eastern Bennington County in southern Vermont...
  Windham County in southern Vermont...

* Until 545 PM EDT.

* At 457 PM EDT, a line of showers and thunderstorms were located 
  along a line extending from Weston to near Wilmington to Adams, 
  moving east at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  North Adams, Brattleboro, Bellows Falls, Londonderry, Townshend,
  Stratton, Adams, Williamstown, Cheshire, Putney, Vernon,
  Wilmington, Stamford, Readsboro, Florida, Hancock, Savoy, Saxtons
  River, New Ashford and Newfane.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany

LAT...LON 4305 7247 4300 7244 4295 7253 4288 7255
      4277 7252 4273 7246 4274 7302 4270 7302
      4270 7295 4267 7300 4264 7295 4250 7298
      4250 7336 4291 7301 4330 7293 4330 7282
      4325 7282 4322 7269 4323 7243
TIME...MOT...LOC 2057Z 270DEG 39KT 4330 7283 4293 7287 4262 7314 

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

Rathbun/Wasula
1 follow-up statement
602 
WWUS51 KALY 262125
SVSALY

Severe Weather Statement
National Weather Service Albany NY
525 PM EDT Wed May 26 2021

MAC003-VTC003-262134-
/O.CAN.KALY.SV.W.0008.000000T0000Z-210526T2145Z/
Berkshire MA-Bennington VT-
525 PM EDT Wed May 26 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKSHIRE AND
EASTERN BENNINGTON COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southern Vermont.

LAT...LON 4295 7253 4288 7255 4281 7254 4277 7252
      4273 7246 4274 7286 4295 7276 4308 7273
      4322 7273 4322 7269 4323 7244 4305 7247
      4300 7244
TIME...MOT...LOC 2124Z 272DEG 36KT 4329 7248 4292 7252 4262 7279 

$$

VTC025-262145-
/O.CON.KALY.SV.W.0008.000000T0000Z-210526T2145Z/
Windham VT-
525 PM EDT Wed May 26 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR EASTERN WINDHAM COUNTY...

At 524 PM EDT, a line of showers and thunderstorms were located 
along a line extending from Springfield to near Putney to Buckland, 
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Brattleboro, Townshend, Putney, Vernon, Saxtons River, Newfane,
Guilford Center, Windham, Rockingham, Guilford, Marlboro, Halifax,
Grafton, Brookline, Athens, North Westminster, Jacksonville, East
Putney, Brockways Mills and South Windham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4295 7253 4288 7255 4281 7254 4277 7252
      4273 7246 4274 7286 4295 7276 4308 7273
      4322 7273 4322 7269 4323 7244 4305 7247
      4300 7244
TIME...MOT...LOC 2124Z 272DEG 36KT 4329 7248 4292 7252 4262 7279 

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

Rathbun/Wasula

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 4:23 PM EDTSevere Thunderstorm WarningALYBerkshire37 min
May 26, 4:58 PM EDTSpecial Weather StatementALYBerkshire32 min
May 26, 5:35 PM EDTSpecial Weather StatementALYBerkshire25 min
May 26, 5:54 PM EDTSevere Thunderstorm WarningALYBerkshire66 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2021Severe Thunderstorm Warnings in Massachusetts, 2021Every 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.