Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 62, NWS Albany, NY

June 30, 2021Berkshire County, Massachusetts

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 3:48 PM EDT for Berkshire County, Massachusetts. It was in force for 14 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, 3:48 PM EDT (19:48 UTC)
Expired: Jun 30, 2021, 4:02 PM EDT
In force: 14 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

County Berkshire County, MA

The radar

The Albany radar (KENX), 88 km from the middle of the area, began a volume at 19:48 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.

Issued	Product	Office	Lasted
Jun 30, 3:21 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.8 hours before the alert went out and 69 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.

374 
WUUS51 KALY 301948
SVRALY
MAC003-302015-
/O.NEW.KALY.SV.W.0062.210630T1948Z-210630T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
348 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...

* Until 415 PM EDT.

* At 347 PM EDT, a severe thunderstorm was located near Florida, or
  near North Adams, moving east at 20 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  North Adams, Florida, Savoy Center, Little Egypt, Whitcomb Summit,
  Eastern Summit, West Summit, North Adams State College Athletic
  Field, Drury and Brier.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

&&

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 4259 7297 4259 7308 4269 7309 4272 7302
      4270 7302 4270 7295 4269 7295 4269 7298
      4268 7298 4267 7300 4266 7298 4266 7296
      4264 7295
TIME...MOT...LOC 1947Z 271DEG 17KT 4263 7303 

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

KSL

1 follow-up statement

151 
WWUS51 KALY 302002
SVSALY

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

MAC003-302012-
/O.CAN.KALY.SV.W.0062.000000T0000Z-210630T2015Z/
Berkshire MA-
402 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BERKSHIRE COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

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

LAT...LON 4259 7297 4259 7308 4269 7309 4272 7302
      4270 7302 4270 7295 4269 7295 4269 7298
      4268 7298 4267 7300 4266 7298 4266 7296
      4264 7295
TIME...MOT...LOC 2001Z 271DEG 17KT 4263 7293 

$$

KSL

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, 4:01 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	27 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

Nearby

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