Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 81, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 6, 2021, 3:49 PM EDT for Berkshire County, Massachusetts. It was in force for 56 min. 3 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
- Jul 6, 2021, 3:49 PM EDT (19:49 UTC)
- Expired
- Jul 6, 2021, 4:45 PM EDT
- In force
- 56 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Berkshire County, MA
The radar
The Albany radar (KENX), 92 km from the middle of the area, began a volume at 19:50 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 |
|---|---|---|---|
| Jul 6, 4:01 PM EDT | TSTM WND DMG | Sheffield, MA | TREES DOWN. TIME ESTIMATED BY RADAR. |
| Jul 6, 4:20 PM EDT | TSTM WND DMG | 2 Ene Sheffield, MA | TREES DOWN. TIME ESTIMATED BY RADAR. |
| Jul 6, 4:30 PM EDT | TSTM WND DMG | Sandisfield, MA | SEVERAL TREES DOWN. TIME ESTIMATED BY RADAR. |
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 |
|---|---|---|---|
| Jul 6, 1:13 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 85 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.
- Mixed-layer CAPE
- 326 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 941 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 182 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
224
WUUS51 KALY 061949
SVRALY
MAC003-062045-
/O.NEW.KALY.SV.W.0081.210706T1949Z-210706T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
349 PM EDT Tue Jul 6 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Southern Berkshire County in western Massachusetts...
* Until 445 PM EDT.
* At 349 PM EDT, a severe thunderstorm was located near Ashley Falls,
or 9 miles southeast of Great Barrington, moving east at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Sheffield, Sandisfield, Ashley Falls, New Marlborough, South
Sandisfield, Hartsville, Konkapot, Gomorrah, New Boston, Montville,
Free Quarter, Roosterville, Hephzibah Heights, Brookside,
Southfield, West New Boston, East Otis, Cold Spring and South
Egremont.
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 4215 7303 4215 7307 4212 7307 4212 7306
4211 7307 4204 7306 4206 7349 4217 7347
4218 7303
TIME...MOT...LOC 1949Z 273DEG 22KT 4209 7325
HAIL...0.75IN
WIND...60MPH
$$
BGM2 follow-up statements
609
WWUS51 KALY 062034
SVSALY
Severe Weather Statement
National Weather Service Albany NY
434 PM EDT Tue Jul 6 2021
MAC003-062045-
/O.CON.KALY.SV.W.0081.000000T0000Z-210706T2045Z/
Berkshire MA-
434 PM EDT Tue Jul 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHEASTERN BERKSHIRE COUNTY...
At 433 PM EDT, a severe thunderstorm was located over Sandisfield, or
14 miles southeast of Great Barrington, moving east at 20 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Sheffield, Sandisfield, Ashley Falls, New Marlborough, South
Sandisfield, East Sheffield, Hartsville, Konkapot, Gomorrah, New
Boston, Montville, Free Quarter, Roosterville, Hephzibah Heights,
Brookside, Southfield, West New Boston, East Otis and Cold Spring.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4215 7303 4215 7307 4212 7307 4212 7306
4211 7307 4204 7306 4205 7338 4217 7337
4218 7303
TIME...MOT...LOC 2033Z 280DEG 19KT 4210 7311
HAIL...0.75IN
WIND...60MPH
$$
BGM065
WWUS51 KALY 062054
SVSALY
Severe Weather Statement
National Weather Service Albany NY
454 PM EDT Tue Jul 6 2021
MAC003-062104-
/O.EXP.KALY.SV.W.0081.000000T0000Z-210706T2045Z/
Berkshire MA-
454 PM EDT Tue Jul 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BERKSHIRE COUNTY
HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northern Connecticut...and western Massachusetts.
LAT...LON 4215 7303 4215 7307 4212 7307 4212 7306
4211 7307 4204 7306 4205 7338 4217 7337
4218 7303
TIME...MOT...LOC 2054Z 273DEG 22KT 4209 7295
$$
BGMThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 2:34 PM EDT | Special Weather Statement | ALY | Berkshire | 56 min |
| Jul 6, 3:15 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 60 min |
| Jul 6, 3:16 PM EDT | Special Weather Statement | ALY | Berkshire | 44 min |
| Jul 6, 3:36 PM EDT | Areal Flood Advisory | ALY | Berkshire | 97 min |
| Jul 6, 3:39 PM EDT | Special Weather Statement | ALY | Berkshire | 51 min |
| Jul 6, 4:13 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 49 min |
| Jul 6, 4:29 PM EDT | Areal Flood Advisory | ALY | Berkshire | 2 hr |
Nearby
Severe 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.