Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 67, NWS Albany, NY

June 30, 2021Berkshire County, Massachusetts; Columbia County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 5:34 PM EDT for Berkshire County, Massachusetts; Columbia County, New York. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 30, 2021, 5:34 PM EDT (21:34 UTC)
Expired
Jun 30, 2021, 6:30 PM EDT
In force
56 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Berkshire County, MA, Columbia County, NY

The radar

The Albany radar (KENX), 82 km from the middle of the area, began a volume at 21:33 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.6 hours before the alert went out and 71 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

213 
WUUS51 KALY 302134
SVRALY
MAC003-NYC021-302230-
/O.NEW.KALY.SV.W.0067.210630T2134Z-210630T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
534 PM EDT Wed Jun 30 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southern Berkshire County in western Massachusetts...
  East central Columbia County in east central New York...

* Until 630 PM EDT.

* At 534 PM EDT, a severe thunderstorm was located near Philmont, or
  near Chatham, moving east at 30 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Great Barrington, Chatham, Lee, Lenox, Becket, Austerlitz, Otis,
  Philmont, Housatonic, Ghent, Stockbridge, Richmond, West
  Stockbridge, Monterey, Washington, Alford, Tyringham, Glendale,
  North Hillsdale and Williamsville.

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 4215 7303 4224 7369 4236 7367 4239 7301
      4238 7301 4238 7307 4233 7306 4231 7303
      4231 7300 4225 7300
TIME...MOT...LOC 2134Z 271DEG 26KT 4228 7360 

HAIL...1.00IN
WIND...60MPH
 
$$

KSL
1 follow-up statement
246 
WWUS51 KALY 302159
SVSALY

Severe Weather Statement
National Weather Service Albany NY
559 PM EDT Wed Jun 30 2021

NYC021-302209-
/O.CAN.KALY.SV.W.0067.000000T0000Z-210630T2230Z/
Columbia NY-
559 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COLUMBIA COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
western Massachusetts.

LAT...LON 4215 7303 4221 7345 4237 7340 4239 7301
      4238 7301 4238 7307 4233 7306 4231 7303
      4231 7300 4225 7300
TIME...MOT...LOC 2159Z 271DEG 26KT 4228 7336 

$$

MAC003-302230-
/O.CON.KALY.SV.W.0067.000000T0000Z-210630T2230Z/
Berkshire MA-
559 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHERN BERKSHIRE COUNTY...

At 559 PM EDT, a severe thunderstorm was located over Housatonic, or
near Great Barrington, moving east at 30 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Great Barrington, Lee, Lenox, Becket, Otis, Housatonic, Stockbridge,
West Stockbridge, Monterey, Washington, Alford, Tyringham, Mahkeenac
Heights, North Otis, Glendale, Tanglewood, Williamsville, Lenox Dale,
East Otis and Mahkeenac Terrace.

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 4215 7303 4221 7345 4237 7340 4239 7301
      4238 7301 4238 7307 4233 7306 4231 7303
      4231 7300 4225 7300
TIME...MOT...LOC 2159Z 271DEG 26KT 4228 7336 

HAIL...1.00IN
WIND...60MPH
 
$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 3:29 PM EDTSpecial Weather StatementALYBerkshire31 min
Jun 30, 3:32 PM EDTSpecial Weather StatementALYBerkshire43 min
Jun 30, 3:35 PM EDTSevere Thunderstorm WarningALYBerkshire40 min
Jun 30, 3:48 PM EDTSevere Thunderstorm WarningALYBerkshire14 min
Jun 30, 4:01 PM EDTSevere Thunderstorm WarningALYBerkshire27 min
Jun 30, 4:09 PM EDTSevere Thunderstorm WarningALYBerkshire21 min
Jun 30, 4:39 PM EDTSpecial Weather StatementALYBerkshire36 min
Jun 30, 5:09 PM EDTAreal Flood AdvisoryALYBerkshire2 hr
Jun 30, 5:58 PM EDTFlash Flood WarningALYBerkshire3 hr
Jun 29, 8:33 PM EDTSpecial Weather StatementALYColumbia27 min
Jun 29, 8:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 29, 9:29 PM EDTSpecial Weather StatementALYColumbia46 min
Jun 29, 10:53 PM EDTAreal Flood AdvisoryALYColumbia, Greene, Ulster3 hr
Jun 29, 11:05 PM EDTSevere Thunderstorm WarningALYColumbia, Greene, Ulster32 min
Jun 30, 11:14 AM EDTSpecial Weather StatementALYHamilton46 min
Jun 30, 11:59 AM EDTSpecial Weather StatementALYHamilton31 min
Jun 30, 12:50 PM EDTSpecial Weather StatementALYHerkimer25 min
Jun 30, 1:13 PM EDTSpecial Weather StatementALYWarren32 min
Jun 30, 1:16 PM EDTSpecial Weather StatementALYHamilton29 min
Jun 30, 1:22 PM EDTSevere Thunderstorm WarningALYHerkimer38 min
Jun 30, 1:41 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer49 min
Jun 30, 1:45 PM EDTSpecial Weather StatementALYFulton45 min
Jun 30, 2:18 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady, Warren42 min
Jun 30, 2:21 PM EDTSpecial Weather StatementALYSchenectady39 min
Jun 30, 2:41 PM EDTSpecial Weather StatementALYSchoharie34 min
Jun 30, 2:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 30, 2:54 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Schenectady, Washington36 min
Jun 30, 2:59 PM EDTSpecial Weather StatementALYMontgomery31 min
Jun 30, 3:00 PM EDTSpecial Weather StatementALYRensselaer30 min
Jun 30, 3:24 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington30 min
Jun 30, 3:25 PM EDTAreal Flood AdvisoryALYRensselaer44 min
Jun 30, 3:31 PM EDTSpecial Weather StatementALYRensselaer29 min
Jun 30, 3:35 PM EDTAreal Flood AdvisoryALYRensselaer55 min
Jun 30, 4:36 PM EDTSpecial Weather StatementALYSchoharie24 min
Jun 30, 4:47 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie43 min
Jun 30, 5:31 PM EDTSpecial Weather StatementALYColumbia44 min
Jun 30, 5:43 PM EDTSpecial Weather StatementALYUlster47 min
Jun 30, 5:45 PM EDTSpecial Weather StatementALYColumbia30 min
Jun 30, 5:49 PM EDTAreal Flood AdvisoryALYColumbia80 min
Jun 30, 6:12 PM EDTSevere Thunderstorm WarningALYDutchess48 min
Jun 30, 6:32 PM EDTSevere Thunderstorm WarningALYUlster28 min
Jun 30, 6:34 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster41 min
Jun 30, 6:58 PM EDTAreal Flood AdvisoryALYDutchess, Ulster107 min
Jun 30, 7:08 PM EDTSevere Thunderstorm WarningALYDutchess67 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.