Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 64, NWS Albany, NY

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

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 4:01 PM EDT for Berkshire County, Massachusetts; Rensselaer County, New York. It was in force for 27 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 30, 2021, 4:01 PM EDT (20:01 UTC)
Expired: Jun 30, 2021, 4:28 PM EDT
In force: 27 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Berkshire County, MA, Rensselaer County, NY

The radar

The Albany radar (KENX), 85 km from the middle of the area, began a volume at 20:01 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

Time	Report	Where	Remark
Jun 30, 4:10 PM EDT	TSTM WND DMG	North Adams, MA	SEVERAL 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 30, 3:21 PM EDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 30, 11:47 AM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.0 hours before the alert went out and 65 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: 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.

258 
WUUS51 KALY 302001
SVRALY
MAC003-NYC083-302045-
/O.NEW.KALY.SV.W.0064.210630T2001Z-210630T2045Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northeastern Berkshire County in western Massachusetts...
  Southeastern Rensselaer County in east central New York...

* Until 445 PM EDT.

* At 400 PM EDT, a severe thunderstorm was located near New Ashford,
  or 9 miles southwest of North Adams, moving east at 35 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...
  North Adams, Adams, Williamstown, Cheshire, Berlin, Florida,
  Hancock, Savoy, New Ashford, Hairpin Turn, Greylock, North
  Stephentown, Sweets Corner, Soldiers Memorial Field, North Hancock,
  Cheshire Harbor, Arnoldville, Town Crest Village, Maple Grove and
  Center Berlin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 4255 7298 4254 7297 4252 7297 4253 7338
      4271 7340 4274 7303 4274 7302 4270 7302
      4270 7295 4269 7295 4269 7298 4267 7300
      4266 7298 4267 7296 4264 7295
TIME...MOT...LOC 2000Z 265DEG 29KT 4263 7329 

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

Rathbun

1 follow-up statement

793 
WWUS51 KALY 302028
SVSALY

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

MAC003-NYC083-302037-
/O.CAN.KALY.SV.W.0064.000000T0000Z-210630T2045Z/
Berkshire MA-Rensselaer NY-
428 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKSHIRE AND
SOUTHEASTERN RENSSELAER COUNTIES IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York. A Severe Thunderstorm Watch also remains in
effect until 1000 PM EDT for western Massachusetts.

LAT...LON 4255 7298 4254 7297 4252 7297 4253 7338
      4271 7340 4274 7303 4274 7302 4270 7302
      4270 7295 4269 7295 4269 7298 4267 7300
      4266 7298 4267 7296 4264 7295
TIME...MOT...LOC 2026Z 265DEG 29KT 4265 7299 

$$

Rathbun

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 3:29 PM EDT	Special Weather Statement	ALY	Berkshire	31 min
Jun 30, 3:32 PM EDT	Special Weather Statement	ALY	Berkshire	43 min
Jun 30, 3:35 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	40 min
Jun 30, 3:48 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	14 min
Jun 30, 4:09 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	21 min
Jun 30, 4:39 PM EDT	Special Weather Statement	ALY	Berkshire	36 min
Jun 30, 5:09 PM EDT	Areal Flood Advisory	ALY	Berkshire	2 hr
Jun 30, 5:34 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	56 min
Jun 30, 5:58 PM EDT	Flash Flood Warning	ALY	Berkshire	3 hr
Jun 29, 8:33 PM EDT	Special Weather Statement	ALY	Columbia	27 min
Jun 29, 8:53 PM EDT	Special Weather Statement	ALY	Columbia	37 min
Jun 29, 9:29 PM EDT	Special Weather Statement	ALY	Columbia	46 min
Jun 29, 10:53 PM EDT	Areal Flood Advisory	ALY	Columbia, Greene, Ulster	3 hr
Jun 29, 11:05 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Greene, Ulster	32 min
Jun 30, 11:14 AM EDT	Special Weather Statement	ALY	Hamilton	46 min
Jun 30, 11:59 AM EDT	Special Weather Statement	ALY	Hamilton	31 min
Jun 30, 12:50 PM EDT	Special Weather Statement	ALY	Herkimer	25 min
Jun 30, 1:13 PM EDT	Special Weather Statement	ALY	Warren	32 min
Jun 30, 1:16 PM EDT	Special Weather Statement	ALY	Hamilton	29 min
Jun 30, 1:22 PM EDT	Severe Thunderstorm Warning	ALY	Herkimer	38 min
Jun 30, 1:41 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Herkimer	49 min
Jun 30, 1:45 PM EDT	Special Weather Statement	ALY	Fulton	45 min
Jun 30, 2:18 PM EDT	Severe Thunderstorm Warning	ALY	Fulton, Montgomery, Saratoga, Schenectady, Warren	42 min
Jun 30, 2:21 PM EDT	Special Weather Statement	ALY	Schenectady	39 min
Jun 30, 2:41 PM EDT	Special Weather Statement	ALY	Schoharie	34 min
Jun 30, 2:53 PM EDT	Special Weather Statement	ALY	Columbia	37 min
Jun 30, 2:54 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Saratoga, Schenectady, Washington	36 min
Jun 30, 2:59 PM EDT	Special Weather Statement	ALY	Montgomery	31 min
Jun 30, 3:00 PM EDT	Special Weather Statement	ALY	Rensselaer	30 min
Jun 30, 3:24 PM EDT	Severe Thunderstorm Warning	ALY	Rensselaer, Washington	30 min
Jun 30, 3:25 PM EDT	Areal Flood Advisory	ALY	Rensselaer	44 min
Jun 30, 3:31 PM EDT	Special Weather Statement	ALY	Rensselaer	29 min
Jun 30, 3:35 PM EDT	Areal Flood Advisory	ALY	Rensselaer	55 min
Jun 30, 4:36 PM EDT	Special Weather Statement	ALY	Schoharie	24 min
Jun 30, 4:47 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schoharie	43 min
Jun 30, 5:31 PM EDT	Special Weather Statement	ALY	Columbia	44 min
Jun 30, 5:43 PM EDT	Special Weather Statement	ALY	Ulster	47 min
Jun 30, 5:45 PM EDT	Special Weather Statement	ALY	Columbia	30 min
Jun 30, 5:49 PM EDT	Areal Flood Advisory	ALY	Columbia	80 min
Jun 30, 6:12 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess	48 min
Jun 30, 6:32 PM EDT	Severe Thunderstorm Warning	ALY	Ulster	28 min
Jun 30, 6:34 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess, Ulster	41 min
Jun 30, 6:58 PM EDT	Areal Flood Advisory	ALY	Dutchess, Ulster	107 min
Jun 30, 7:08 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess	67 min

Nearby

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