Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 135, NWS Albany, NY

July 29, 20214 counties in New York; Bennington County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at Jul 29, 2021, 7:41 PM EDT for 4 counties in New York; Bennington County, Vermont. It was in force for 64 min. 4 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 29, 2021, 7:41 PM EDT (23:41 UTC)
Expired
Jul 29, 2021, 8:45 PM EDT
In force
64 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Washington County, NY, Bennington County, VT

The radar

The Albany radar (KENX), 44 km from the middle of the area, began a volume at 23:42 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
Jul 29, 7:45 PM EDTTSTM WND DMGSaratoga Springs, NYA FEW TREES DOWN IN SARATOGA SPRINGS.
Jul 29, 8:10 PM EDTTSTM WND DMGHalfmoon, NYA FEW TREES DOWN IN HALFMOON TOWNSHIP.
Jul 29, 8:20 PM EDTTSTM WND DMGHoosick Falls, NYTREE ON WIRES.
Jul 29, 8:30 PM EDTTSTM WND DMG2 E Cambridge, NYTREE DOWN ON ROADWAY ON ASH GROVE NEAR HILL LANE.

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, 11.7 hours before the alert went out and 28 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 2021-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1046 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

737 
WUUS51 KALY 292341
SVRALY
NYC083-091-093-115-VTC003-300045-
/O.NEW.KALY.SV.W.0135.210729T2341Z-210730T0045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
741 PM EDT Thu Jul 29 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Central Schenectady County in east central New York...
  Southern Saratoga County in east central New York...
  Southern Washington County in east central New York...
  Northern Rensselaer County in east central New York...
  Western Bennington County in southern Vermont...

* Until 845 PM EDT.

* At 741 PM EDT, a severe thunderstorm was located over Burnt Hills,
  or near Scotia, moving east at 85 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Schenectady, Bennington, Clifton Park, Saratoga Springs, Scotia,
  Mechanicville, Hoosick Falls, Arlington, Salem, Manchester,
  Glenville, Niskayuna, Ballston Spa, Shaftsbury, Cambridge,
  Greenwich, Round Lake, Rotterdam Junction, East Glenville and Burnt
  Hills.

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 4281 7416 4289 7411 4290 7408 4292 7409
      4315 7394 4321 7301 4286 7301
TIME...MOT...LOC 2341Z 267DEG 73KT 4293 7393 

HAIL...<.75IN
WIND...60MPH
 
$$

MSE
1 follow-up statement
711 
WWUS51 KALY 292356
SVSALY

Severe Weather Statement
National Weather Service Albany NY
756 PM EDT Thu Jul 29 2021

NYC083-091-093-115-VTC003-300045-
/O.CON.KALY.SV.W.0135.000000T0000Z-210730T0045Z/
Schenectady NY-Saratoga NY-Washington NY-Rensselaer NY-Bennington VT-
756 PM EDT Thu Jul 29 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CENTRAL SCHENECTADY...SOUTHERN SARATOGA...SOUTHERN WASHINGTON...
NORTHERN RENSSELAER AND WESTERN BENNINGTON COUNTIES...

At 756 PM EDT, a severe thunderstorm was located near Mechanicville,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Schenectady, Bennington, Clifton Park, Saratoga Springs, Scotia,
Mechanicville, Hoosick Falls, Arlington, Salem, Manchester,
Glenville, Niskayuna, Ballston Spa, Shaftsbury, Cambridge, Greenwich,
Round Lake, Rotterdam Junction, East Glenville and Burnt Hills.

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 4281 7416 4289 7411 4290 7408 4292 7409
      4315 7394 4321 7301 4286 7301
TIME...MOT...LOC 2356Z 268DEG 38KT 4295 7369 

HAIL...<.75IN
WIND...60MPH
 
$$

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 5:49 PM EDTAreal Flood AdvisoryALYSaratoga, Warren, Washington3 hr
Jul 29, 6:55 PM EDTAreal Flood AdvisoryALYFulton, Hamilton, Herkimer, Saratoga, Warren115 min
Jul 29, 7:50 PM EDTFlash Flood WarningALYSaratoga, Washington115 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Severe Thunderstorm Warnings in Vermont, 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.