Alert archive / Massachusetts / Special Weather Statements in 2021

Special Weather Statement, NWS Albany, NY

June 29, 2021Berkshire County, Massachusetts

NWS Albany, NY issued this special weather statement at Jun 29, 2021, 7:21 PM EDT for Berkshire County, Massachusetts. It was in force for 39 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 29, 2021, 7:21 PM EDT (23:21 UTC)
Expired: Jun 29, 2021, 8:00 PM EDT
In force: 39 min
Issued by: NWS Albany, NY

County Berkshire County, MA

The radar

The Albany radar (KENX), 77 km from the middle of the area, began a volume at 23:20 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 nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.4 hours before the alert went out and 70 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: 333 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

839 
WWUS81 KALY 292321
SPSALY

Special Weather Statement
National Weather Service Albany NY
721 PM EDT Tue Jun 29 2021

MAZ025-300000-
Southern Berkshire-
721 PM EDT Tue Jun 29 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN BERKSHIRE COUNTY...

At 721 PM EDT, a strong thunderstorm was located over Great
Barrington, moving east at 10 mph.

Winds in excess of 30 mph are possible with this storm.

Locations impacted include...
Great Barrington, Sandisfield, Housatonic, Monterey, Alford,
Tyringham, Risingdale, Otis Wood Lanes, Hartsville, Egremont Plain,
North Otis, Newsboy Statue, Montville, Hephzibah Heights, Van
Deusenville, Williamsville, Brookside, Belcher Square, Berkshire
Heights and South Egremont.

Torrential rainfall is also occurring with this storm, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4216 7345 4228 7340 4225 7308 4211 7312
TIME...MOT...LOC 2321Z 276DEG 11KT 4220 7337 

$$

JPV

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 1:54 PM EDT	Special Weather Statement	ALY	Dutchess	36 min
Jun 29, 1:59 PM EDT	Special Weather Statement	ALY	Columbia	31 min
Jun 29, 2:01 PM EDT	Special Weather Statement	ALY	Montgomery	29 min
Jun 29, 2:12 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	22 min
Jun 29, 2:19 PM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess	64 min
Jun 29, 2:43 PM EDT	Special Weather Statement	ALY	Dutchess	32 min
Jun 29, 2:45 PM EDT	Special Weather Statement	ALY	Warren	30 min
Jun 29, 2:52 PM EDT	Special Weather Statement	ALY	Schoharie	23 min
Jun 29, 3:16 PM EDT	Special Weather Statement	ALY	Washington	29 min
Jun 29, 3:18 PM EDT	Special Weather Statement	ALY	Schenectady	27 min
Jun 29, 3:29 PM EDT	Special Weather Statement	ALY	Washington	31 min
Jun 29, 3:41 PM EDT	Severe Thunderstorm Warning	ALY	Washington	13 min
Jun 29, 3:52 PM EDT	Heat Advisory	ALY	Albany, Columbia, Dutchess, Greene, Rensselaer, Saratoga and 4 more	27 hr
Jun 29, 4:20 PM EDT	Special Weather Statement	ALY	Rensselaer	40 min
Jun 29, 4:42 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	63 min
Jun 29, 4:49 PM EDT	Special Weather Statement	ALY	Otsego	26 min
Jun 29, 5:02 PM EDT	Special Weather Statement	ALY	Dutchess	28 min
Jun 29, 5:07 PM EDT	Special Weather Statement	ALY	Rensselaer	38 min
Jun 29, 5:15 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	60 min
Jun 29, 5:20 PM EDT	Special Weather Statement	ALY	Otsego	25 min
Jun 29, 5:44 PM EDT	Special Weather Statement	ALY	Montgomery	46 min
Jun 29, 5:46 PM EDT	Areal Flood Advisory	ALY	Columbia	119 min
Jun 29, 5:57 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery, Schenectady, Schoharie	63 min
Jun 29, 6:00 PM EDT	Special Weather Statement	ALY	Montgomery	45 min
Jun 29, 6:32 PM EDT	Special Weather Statement	ALY	Columbia	43 min
Jun 29, 6:44 PM EDT	Special Weather Statement	ALY	Schenectady	31 min
Jun 29, 6:53 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schenectady, Schoharie	52 min
Jun 29, 7:38 PM EDT	Special Weather Statement	ALY	Albany	37 min
Jun 29, 7:45 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	60 min
Jun 29, 7:47 PM EDT	Special Weather Statement	ALY	Rensselaer	28 min
Jun 29, 3:52 PM EDT	Special Weather Statement	ALY	Bennington	38 min
Jun 29, 4:18 PM EDT	Special Weather Statement	ALY	Bennington	42 min
Jun 29, 6:12 PM EDT	Special Weather Statement	ALY	Bennington	33 min
Jun 29, 5:55 PM EDT	Special Weather Statement	ALY	Berkshire	35 min
Jun 29, 6:17 PM EDT	Special Weather Statement	ALY	Berkshire	28 min
Jun 29, 6:28 PM EDT	Special Weather Statement	ALY		32 min
Jun 29, 7:06 PM EDT	Special Weather Statement	ALY		24 min

Nearby

Special Weather Statements in Massachusetts, 2021 Every special weather statement 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.