Alert archive / Vermont / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 108, NWS Albany, NY

July 14, 2021Washington County, New York; Bennington County, Windham County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at Jul 14, 2021, 3:18 PM EDT for Washington County, New York; Bennington County, Windham County, Vermont. It was in force for 57 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 14, 2021, 3:18 PM EDT (19:18 UTC)
Expired
Jul 14, 2021, 4:15 PM EDT
In force
57 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Washington County, NY, Bennington County, VT, Windham County, VT

The radar

The Albany radar (KENX), 104 km from the middle of the area, began a volume at 19:20 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, 3:23 PM EDTTSTM WND DMGShaftsbury, VTMULTIPLE REPORTS OF TREES AND WIRES DOWN AROUND SHAFTSBURY. TIME ESTIMATED FROM RADAR.

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, 7.3 hours before the alert went out and 81 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 2021-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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 2021-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 129 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
20 J/kg
Mixed-layer CIN
-211 J/kg
Mixed-layer LCL
871 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
129 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

933 
WUUS51 KALY 141918
SVRALY
NYC115-VTC003-025-142015-
/O.NEW.KALY.SV.W.0108.210714T1918Z-210714T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
318 PM EDT Wed Jul 14 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southeastern Washington County in east central New York...
  Central Bennington County in southern Vermont...
  Northwestern Windham County in southern Vermont...

* Until 415 PM EDT.

* At 318 PM EDT, a severe thunderstorm was located over Shaftsbury,
  or near Arlington, moving northeast at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Arlington, Londonderry, Townshend, Manchester, Stratton,
  Shaftsbury, Newfane, Manchester Center, West Wardsboro, Windham,
  White Creek, North Bennington, Dover, Jamaica, Sunderland,
  Wardsboro, Grafton, Peru, Glastenbury and Somerset.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

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 4295 7264 4291 7328 4294 7328 4294 7334
      4307 7337 4326 7282 4322 7269 4323 7259
TIME...MOT...LOC 1918Z 246DEG 27KT 4301 7318 

HAIL...0.88IN
WIND...60MPH
 
$$

ATE
2 follow-up statements
626 
WWUS51 KALY 141950
SVSALY

Severe Weather Statement
National Weather Service Albany NY
350 PM EDT Wed Jul 14 2021

NYC115-141959-
/O.CAN.KALY.SV.W.0108.000000T0000Z-210714T2015Z/
Washington NY-
350 PM EDT Wed Jul 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has since 
weakened and moved out of the warned area. Therefore, the warning 
has been cancelled.

LAT...LON 4295 7264 4291 7328 4292 7324 4293 7326
      4296 7323 4324 7283 4322 7269 4323 7259
TIME...MOT...LOC 1949Z 246DEG 27KT 4311 7288 

$$

VTC003-025-142015-
/O.CON.KALY.SV.W.0108.000000T0000Z-210714T2015Z/
Bennington VT-Windham VT-
350 PM EDT Wed Jul 14 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM EDT
FOR CENTRAL BENNINGTON AND NORTHWESTERN WINDHAM COUNTIES...

At 349 PM EDT, a severe thunderstorm was located near Stratton,
moving northeast at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Londonderry, Townshend, Stratton, Newfane, West Wardsboro, Windham,
North Bennington, Dover, Jamaica, Wardsboro, Grafton, Glastenbury,
Somerset, Wardsboro Center, Goose City, South Shaftsbury, South
Windham, East Dover, East Jamaica and Thompsonburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4295 7264 4291 7328 4292 7324 4293 7326
      4296 7323 4324 7283 4322 7269 4323 7259
TIME...MOT...LOC 1949Z 246DEG 27KT 4311 7288 

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

ATE
942 
WWUS51 KALY 142007
SVSALY

Severe Weather Statement
National Weather Service Albany NY
407 PM EDT Wed Jul 14 2021

VTC003-025-142017-
/O.EXP.KALY.SV.W.0108.000000T0000Z-210714T2015Z/
Bennington VT-Windham VT-
407 PM EDT Wed Jul 14 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BENNINGTON AND
NORTHWESTERN WINDHAM COUNTIES WILL EXPIRE AT 415 PM EDT...
                
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 will be allowed to expire.

LAT...LON 4295 7264 4291 7328 4292 7324 4293 7326
      4296 7323 4324 7283 4322 7269 4323 7259
TIME...MOT...LOC 2007Z 246DEG 27KT 4316 7272 

$$

ATE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 10:59 PM EDTSpecial Weather StatementALYHamilton, Herkimer46 min
Jul 13, 11:21 PM EDTSpecial Weather StatementALYOtsego39 min
Jul 13, 11:47 PM EDTSpecial Weather StatementALYFulton, Hamilton, Herkimer, Montgomery43 min
Jul 14, 12:42 AM EDTSpecial Weather StatementALYUlster48 min
Jul 14, 1:08 PM EDTSpecial Weather StatementALYSaratoga37 min
Jul 14, 1:53 PM EDTSpecial Weather StatementALYWashington52 min
Jul 14, 2:32 PM EDTSpecial Weather StatementALYRensselaer43 min
Jul 14, 2:47 PM EDTSpecial Weather StatementALYRensselaer43 min
Jul 14, 2:58 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Washington62 min
Jul 14, 3:09 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer66 min
Jul 14, 3:22 PM EDTAreal Flood AdvisoryALYAlbany, Rensselaer3 hr
Jul 14, 3:44 PM EDTFlash Flood WarningALYRensselaer2 hr
Jul 14, 3:53 PM EDTSevere Thunderstorm WarningALYRensselaer52 min
Jul 14, 4:14 PM EDTFlash Flood WarningALYRensselaer3 hr
Jul 14, 4:15 PM EDTSevere Thunderstorm WarningALYRensselaer28 min
Jul 14, 4:49 PM EDTFlash Flood WarningALYRensselaer3 hr
Jul 14, 4:51 PM EDTSpecial Weather StatementALYRensselaer24 min
Jul 14, 5:39 PM EDTAreal Flood AdvisoryALYColumbia3 hr
Jul 14, 5:54 PM EDTAreal Flood AdvisoryALYRensselaer3 hr
Jul 14, 6:12 PM EDTAreal Flood WarningALYRensselaer3 hr
Jul 14, 6:47 PM EDTAreal Flood WarningALYRensselaer3 hr
Jul 14, 6:49 PM EDTSpecial Weather StatementALYColumbia41 min
Jul 14, 6:56 PM EDTSpecial Weather StatementALYGreene64 min
Jul 14, 7:06 PM EDTFlash Flood WarningALYColumbia3 hr
Jul 14, 7:14 PM EDTAreal Flood AdvisoryALYColumbia2 hr
Jul 14, 7:57 PM EDTAreal Flood WarningALYRensselaer3 hr
Jul 14, 1:17 PM EDTSpecial Weather StatementALYRutland43 min
Jul 14, 2:07 PM EDTSpecial Weather StatementALYBennington38 min
Jul 14, 2:53 PM EDTSpecial Weather StatementALYBennington37 min
Jul 14, 4:11 PM EDTSpecial Weather StatementALYWindham34 min
Jul 14, 4:17 PM EDTSevere Thunderstorm WarningALYWindham43 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2021Severe Thunderstorm Warnings in New York, 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.