Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 90, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 3:38 PM EDT for Berkshire County, Massachusetts. It was in force for 67 min. 2 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 7, 2021, 3:38 PM EDT (19:38 UTC)
- Expired
- Jul 7, 2021, 4:45 PM EDT
- In force
- 67 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), 89 km from the middle of the area, began a volume at 19:37 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 7, 4:03 PM EDT | TSTM WND DMG | 1 Nw South Egremont, MA | A TREE WAS DOWNED ONTO WIRES ON BALDWIN HILL ROAD SOUTH AT TOWNHOUSE HILL ROAD |
| Jul 7, 4:15 PM EDT | TSTM WND DMG | 4 Ssw Monterey, MA | TREE DOWN LEANING ON WIRES ON NEW MARLBOROUGH HILL ROAD |
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 7, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 7.6 hours before the alert went out and 82 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
- 18 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
708
WUUS51 KALY 071938
SVRALY
MAC003-072045-
/O.NEW.KALY.SV.W.0090.210707T1938Z-210707T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
338 PM EDT Wed Jul 7 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 338 PM EDT, a severe thunderstorm was located over Great
Barrington, moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Great Barrington, Sheffield, Otis, Sandisfield, Housatonic, Ashley
Falls, Stockbridge, New Marlborough, Monterey, Alford, Tyringham,
Hartsville, Konkapot, Gomorrah, New Boston, North Otis, Newsboy
Statue, Montville, Glendale and Williamsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
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 7306 4211 7307
4209 7307 4207 7306 4204 7305 4206 7350
4207 7350 4208 7351 4231 7342 4227 7300
TIME...MOT...LOC 1938Z 280DEG 13KT 4219 7334
HAIL...0.75IN
WIND...60MPH
$$
NAS1 follow-up statement
484
WWUS51 KALY 072003
SVSALY
Severe Weather Statement
National Weather Service Albany NY
403 PM EDT Wed Jul 7 2021
MAC003-072045-
/O.CON.KALY.SV.W.0090.000000T0000Z-210707T2045Z/
Berkshire MA-
403 PM EDT Wed Jul 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHERN BERKSHIRE COUNTY...
At 401 PM EDT, a cluster of severe thunderstorms was located from
the Massachusetts and New York border to near Sandisfield, or 7
miles east of Great Barrington, moving east at 15 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Great Barrington, Sheffield, Otis, Sandisfield, Housatonic, Ashley
Falls, Stockbridge, New Marlborough, Monterey, Alford, Tyringham,
Hartsville, Konkapot, Gomorrah, New Boston, North Otis, Newsboy
Statue, Montville, Glendale and Williamsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4215 7303 4215 7307 4212 7306 4211 7307
4209 7307 4207 7306 4204 7305 4206 7350
4207 7350 4208 7351 4231 7342 4227 7300
TIME...MOT...LOC 2001Z 280DEG 13KT 4218 7323
HAIL...0.75IN
WIND...60MPH
$$
NASThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:19 PM EDT | Special Weather Statement | ALY | Berkshire | 26 min |
| Jul 7, 3:27 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 13 min |
| Jul 7, 4:00 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 15 min |
| Jul 7, 4:01 PM EDT | Areal Flood Advisory | ALY | Berkshire | 119 min |
| Jul 7, 4:16 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 59 min |
| Jul 7, 5:23 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 49 min |
| Jul 7, 6:48 PM EDT | Severe Thunderstorm Warning | ALY | Berkshire | 27 min |
| Jul 7, 7:53 PM EDT | Special Weather Statement | ALY | Berkshire | 52 min |
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.