Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 94, NWS Albany, NY

July 7, 2021Northwest Hills Planning Region, Connecticut; Berkshire County, Massachusetts; Columbia County, Dutchess County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 5:23 PM EDT for Northwest Hills Planning Region, Connecticut; Berkshire County, Massachusetts; Columbia County, Dutchess County, New York. It was in force for 49 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 7, 2021, 5:23 PM EDT (21:23 UTC)
Expired: Jul 7, 2021, 6:12 PM EDT
In force: 49 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Northwest Hills Planning Region, CT, Berkshire County, MA, Columbia County, NY, Dutchess County, NY

The radar

The Albany radar (KENX), 110 km from the middle of the area, began a volume at 21:22 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, 5:33 PM EDT	TSTM WND DMG	2 Ne Ancram, NY	TREE LEANING ON WIRES AND ON FIRE ON FOUR CORNERS ROAD BETWEEN JACKSON AND ELM
Jul 7, 5:33 PM EDT	TSTM WND DMG	2 Nne Ancram, NY	TREE AND WIRES DOWN ON COUNTY ROUTE 7 BETWEEN WESTFALL ROAD AND TIMS ROAD
Jul 7, 5:48 PM EDT	TSTM WND DMG	Winsted, CT	WIRES WERE DOWNED

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, 9.4 hours before the alert went out and 105 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: 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

Open this sounding in Storm Lab

The text

As transmitted.

187 
WUUS51 KALY 072123
SVRALY
CTC005-MAC003-NYC021-027-072230-
/O.NEW.KALY.SV.W.0094.210707T2123Z-210707T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
523 PM EDT Wed Jul 7 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northern Litchfield County in northern Connecticut...
  Southwestern Berkshire County in western Massachusetts...
  Northeastern Dutchess County in east central New York...
  Southeastern Columbia County in east central New York...

* Until 630 PM EDT.

* At 523 PM EDT, a severe thunderstorm was located over Ancram, or 15
  miles east of Saugerties, moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Torrington, New Hartford, Copake, Sheffield, Pine Plains, Norfolk,
  Ancram, Canaan, Millerton, Northwest Harwinton, New Hartford
  Center, Ashley Falls, Falls Village, Winsted, Harwinton, Bethel,
  Barkhamsted, Salisbury, Goshen and Hillsdale.

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 4190 7291 4189 7294 4185 7295 4184 7294
      4183 7294 4181 7295 4180 7302 4175 7301
      4198 7377 4223 7369 4209 7307 4204 7306
      4204 7301 4197 7303 4197 7289
TIME...MOT...LOC 2123Z 286DEG 26KT 4205 7365 

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

NAS

3 follow-up statements

281 
WWUS51 KALY 072142
SVSALY

Severe Weather Statement
National Weather Service Albany NY
542 PM EDT Wed Jul 7 2021

CTC005-MAC003-NYC021-027-072230-
/O.CON.KALY.SV.W.0094.000000T0000Z-210707T2230Z/
Litchfield CT-Berkshire MA-Dutchess NY-Columbia NY-
542 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHERN LITCHFIELD...SOUTHWESTERN BERKSHIRE...NORTHEASTERN
DUTCHESS AND SOUTHEASTERN COLUMBIA COUNTIES...

At 540 PM EDT, a severe thunderstorm was located near Millerton, or 
13 miles southwest of Great Barrington, moving east at 30 mph. 
Another severe thunderstorm was near Torrington, also moving east at 
30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Torrington, New Hartford, Sheffield, Norfolk, Canaan, Millerton,
Northwest Harwinton, New Hartford Center, Ashley Falls, Falls
Village, Winsted, Harwinton, Barkhamsted, Salisbury, Goshen, New
Marlborough, Colebrook, West Torrington, South Canaan and
Wrightville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
      4183 7294 4181 7295 4180 7302 4175 7301
      4194 7360 4219 7351 4209 7307 4204 7306
      4204 7301 4197 7303 4197 7289
TIME...MOT...LOC 2140Z 286DEG 26KT 4201 7349 

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

NAS

390 
WWUS51 KALY 072152
SVSALY

Severe Weather Statement
National Weather Service Albany NY
552 PM EDT Wed Jul 7 2021

MAC003-NYC021-027-072200-
/O.CAN.KALY.SV.W.0094.000000T0000Z-210707T2230Z/
Berkshire MA-Dutchess NY-Columbia NY-
552 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN BERKSHIRE...
NORTHEASTERN DUTCHESS AND SOUTHEASTERN COLUMBIA COUNTIES IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northern Connecticut...and western Massachusetts.

LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
      4183 7294 4181 7295 4180 7302 4175 7301
      4190 7349 4205 7347 4204 7307 4204 7301
      4197 7303 4197 7289
TIME...MOT...LOC 2150Z 286DEG 26KT 4199 7339 

$$

CTC005-072230-
/O.CON.KALY.SV.W.0094.000000T0000Z-210707T2230Z/
Litchfield CT-
552 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR NORTHERN LITCHFIELD COUNTY...

At 550 PM EDT, a cluster of severe thunderstorms was located around 
Falls Village and Winsted, or 14 miles south of Great Barrington, 
moving east at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Torrington, New Hartford, Norfolk, Canaan, Falls Village, Northwest
Harwinton, Winsted, New Hartford Center, Harwinton, Barkhamsted,
Salisbury, Goshen, Colebrook, South Norfolk, West Torrington, Sodom,
Torringford, South Canaan, Mooreville and Wangum Village.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
      4183 7294 4181 7295 4180 7302 4175 7301
      4190 7349 4205 7347 4204 7307 4204 7301
      4197 7303 4197 7289
TIME...MOT...LOC 2150Z 286DEG 26KT 4199 7339 

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

NAS

857 
WWUS51 KALY 072212
SVSALY

Severe Weather Statement
National Weather Service Albany NY
612 PM EDT Wed Jul 7 2021

CTC005-072222-
/O.CAN.KALY.SV.W.0094.000000T0000Z-210707T2230Z/
Litchfield CT-
612 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LITCHFIELD 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 1100 PM EDT for
northern Connecticut...and western Massachusetts.

LAT...LON 4190 7291 4189 7294 4185 7295 4184 7294
      4183 7294 4181 7295 4180 7302 4175 7301
      4190 7349 4205 7347 4204 7307 4204 7301
      4197 7303 4197 7289
TIME...MOT...LOC 2209Z 286DEG 26KT 4195 7318 

$$

NAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 4:16 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	59 min
Jul 7, 4:44 PM EDT	Severe Thunderstorm Warning	ALY	Northwest Hills Planning Region	31 min
Jul 7, 5:17 PM EDT	Special Weather Statement	ALY		58 min
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, 3:38 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	67 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, 6:48 PM EDT	Severe Thunderstorm Warning	ALY	Berkshire	27 min
Jul 7, 7:53 PM EDT	Special Weather Statement	ALY	Berkshire	52 min
Jul 7, 1:22 PM EDT	Special Weather Statement	ALY	Schoharie	53 min
Jul 7, 2:14 PM EDT	Special Weather Statement	ALY	Albany	31 min
Jul 7, 2:25 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Greene, Schoharie	35 min
Jul 7, 2:58 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	32 min
Jul 7, 3:07 PM EDT	Special Weather Statement	ALY	Greene	23 min
Jul 7, 3:23 PM EDT	Special Weather Statement	ALY	Columbia	37 min
Jul 7, 3:29 PM EDT	Special Weather Statement	ALY	Rensselaer	31 min
Jul 7, 3:29 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Greene	31 min
Jul 7, 3:46 PM EDT	Special Weather Statement	ALY	Greene	29 min
Jul 7, 4:41 PM EDT	Special Weather Statement	ALY	Columbia	34 min
Jul 7, 4:59 PM EDT	Special Weather Statement	ALY	Columbia	16 min
Jul 7, 5:03 PM EDT	Special Weather Statement	ALY	Greene	27 min
Jul 7, 5:19 PM EDT	Special Weather Statement	ALY	Columbia	26 min
Jul 7, 5:42 PM EDT	Severe Thunderstorm Warning	ALY	Schoharie	48 min
Jul 7, 6:03 PM EDT	Special Weather Statement	ALY	Albany	27 min
Jul 7, 6:06 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer	39 min
Jul 7, 6:15 PM EDT	Special Weather Statement	ALY	Schoharie	30 min
Jul 7, 6:25 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schoharie	54 min
Jul 7, 6:35 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schoharie	70 min
Jul 7, 6:46 PM EDT	Special Weather Statement	ALY	Rensselaer	59 min
Jul 7, 7:06 PM EDT	Special Weather Statement	ALY	Albany	24 min
Jul 7, 7:22 PM EDT	Special Weather Statement	ALY	Ulster	38 min
Jul 7, 7:34 PM EDT	Special Weather Statement	ALY	Columbia	41 min
Jul 7, 7:59 PM EDT	Special Weather Statement	ALY	Dutchess	46 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Severe Thunderstorm Warnings in Connecticut, 2021 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.