Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 50, NWS Albany, NY

June 29, 2021Berkshire County, Massachusetts; Columbia County, Rensselaer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 29, 2021, 4:42 PM EDT for Berkshire County, Massachusetts; Columbia County, Rensselaer County, New York. It was in force for 63 min. 1 report 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
Jun 29, 2021, 4:42 PM EDT (20:42 UTC)
Expired
Jun 29, 2021, 5:45 PM EDT
In force
63 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Berkshire County, MA, Columbia County, NY, Rensselaer County, NY

The radar

The Albany radar (KENX), 48 km from the middle of the area, began a volume at 20:41 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

TimeReportWhereRemark
Jun 29, 4:55 PM EDTTSTM WND DMGNassau, NYSEVERAL LARGE LIMBS DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.7 hours before the alert went out and 35 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-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2021-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 333 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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.

965 
WUUS51 KALY 292042
SVRALY
MAC003-NYC021-083-292145-
/O.NEW.KALY.SV.W.0050.210629T2042Z-210629T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
442 PM EDT Tue Jun 29 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Central Berkshire County in western Massachusetts...
  Northeastern Columbia County in east central New York...
  Southeastern Rensselaer County in east central New York...

* Until 545 PM EDT.

* At 442 PM EDT, a severe thunderstorm was located near Stephentown,
  or near Nassau, moving southeast 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...
  Pittsfield, Nassau, Lenox, Cheshire, Stephentown, New Lebanon,
  Hancock, West Sand Lake, Averill Park, Berkshire, Sand Lake,
  Lanesborough, Canaan, Richmond, West Stockbridge, East Nassau,
  Barkerville, Van Hoesen Station, West Stephentown and Jacks
  Corners.

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 4248 7374 4267 7359 4257 7312 4229 7329
TIME...MOT...LOC 2042Z 297DEG 13KT 4258 7352 

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

JPV
1 follow-up statement
073 
WWUS51 KALY 292111
SVSALY

Severe Weather Statement
National Weather Service Albany NY
511 PM EDT Tue Jun 29 2021

MAC003-NYC021-083-292145-
/O.CON.KALY.SV.W.0050.000000T0000Z-210629T2145Z/
Berkshire MA-Columbia NY-Rensselaer NY-
511 PM EDT Tue Jun 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR CENTRAL BERKSHIRE...NORTHEASTERN COLUMBIA AND SOUTHEASTERN
RENSSELAER COUNTIES...

At 509 PM EDT, a severe thunderstorm was located near New Lebanon, or
8 miles southeast of Nassau, moving southeast at 25 mph.

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

SOURCE...Public.

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

Locations impacted include...
Pittsfield, Lenox, Cheshire, Stephentown, New Lebanon, Hancock,
Berkshire, Lanesborough, Canaan, Richmond, West Stockbridge, East
Nassau, Barkerville, West Stephentown, Jacks Corners, Rayville,
Riders Mills, Denault Corners, The Center At Lenox and Adams
Junction.

Large tree limbs reported down in the Nassau area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for damaging winds. People outside should move 
to a shelter, inside a strong building and away from windows.

&&

LAT...LON 4245 7366 4265 7348 4257 7312 4229 7329
TIME...MOT...LOC 2109Z 300DEG 21KT 4245 7347 

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

JPV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 3:52 PM EDTHeat AdvisoryALYBerkshire27 hr
Jun 29, 5:15 PM EDTSevere Thunderstorm WarningALYBerkshire60 min
Jun 29, 5:46 PM EDTAreal Flood AdvisoryALYBerkshire119 min
Jun 29, 5:55 PM EDTSpecial Weather StatementALYBerkshire35 min
Jun 29, 6:17 PM EDTSpecial Weather StatementALYBerkshire28 min
Jun 29, 7:21 PM EDTSpecial Weather StatementALYBerkshire39 min
Jun 29, 1:54 PM EDTSpecial Weather StatementALYDutchess36 min
Jun 29, 1:59 PM EDTSpecial Weather StatementALYColumbia31 min
Jun 29, 2:01 PM EDTSpecial Weather StatementALYMontgomery29 min
Jun 29, 2:12 PM EDTSevere Thunderstorm WarningALYColumbia22 min
Jun 29, 2:19 PM EDTAreal Flood AdvisoryALYColumbia, Dutchess64 min
Jun 29, 2:43 PM EDTSpecial Weather StatementALYDutchess32 min
Jun 29, 2:45 PM EDTSpecial Weather StatementALYWarren30 min
Jun 29, 2:52 PM EDTSpecial Weather StatementALYSchoharie23 min
Jun 29, 3:16 PM EDTSpecial Weather StatementALYWashington29 min
Jun 29, 3:18 PM EDTSpecial Weather StatementALYSchenectady27 min
Jun 29, 3:29 PM EDTSpecial Weather StatementALYWashington31 min
Jun 29, 3:41 PM EDTSevere Thunderstorm WarningALYWashington13 min
Jun 29, 4:20 PM EDTSpecial Weather StatementALYRensselaer40 min
Jun 29, 4:49 PM EDTSpecial Weather StatementALYOtsego26 min
Jun 29, 5:02 PM EDTSpecial Weather StatementALYDutchess28 min
Jun 29, 5:07 PM EDTSpecial Weather StatementALYRensselaer38 min
Jun 29, 5:20 PM EDTSpecial Weather StatementALYOtsego25 min
Jun 29, 5:44 PM EDTSpecial Weather StatementALYMontgomery46 min
Jun 29, 5:57 PM EDTSevere Thunderstorm WarningALYMontgomery, Schenectady, Schoharie63 min
Jun 29, 6:00 PM EDTSpecial Weather StatementALYMontgomery45 min
Jun 29, 6:32 PM EDTSpecial Weather StatementALYColumbia43 min
Jun 29, 6:44 PM EDTSpecial Weather StatementALYSchenectady31 min
Jun 29, 6:53 PM EDTSevere Thunderstorm WarningALYAlbany, Schenectady, Schoharie52 min
Jun 29, 7:38 PM EDTSpecial Weather StatementALYAlbany37 min
Jun 29, 7:45 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer60 min
Jun 29, 7:47 PM EDTSpecial Weather StatementALYRensselaer28 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Severe 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.