Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 185, NWS Albany, NY

December 11, 20216 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at Dec 11, 2021, 8:38 PM EST for 6 counties in New York. It was in force for 52 min. 6 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
Dec 11, 2021, 8:38 PM EST (01:38 UTC)
Expired
Dec 11, 2021, 9:30 PM EST
In force
52 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Rensselaer County, NY, Saratoga County, NY, Schenectady County, NY, Schoharie County, NY, Washington County, NY

The radar

The Albany radar (KENX), 55 km from the middle of the area, began a volume at 01:39 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
Dec 11, 8:45 PM ESTTSTM WND DMG1 Ene Ballston Spa, NYA TREE AND WIRES WERE DOWNED ALONG MALTA AVENUE IN BALLSTON SPA. TIME ESTIMATED.
Dec 11, 8:50 PM ESTTSTM WND DMG1 Wnw Scotia, NYMULTIPLE POLES AND TREES WERE SNAPPED ALONG SACANDAGA ROAD NEAR THE VILLAGE OF SCOTIA. TIME ESTIMATED.
Dec 11, 8:50 PM ESTTSTM WND DMG2 Sse Round Lake, NYTREE DOWN AT USHERS RD AND TABOR RD.
Dec 11, 8:55 PM ESTTSTM WND DMG2 Nw Halfmoon, NYA TREE WAS DOWNED ON SPICE MILL BLVD IN THE TOWN OF CLIFTON PARK. TIME ESTIMATED.
Dec 11, 8:55 PM ESTTSTM WND DMG2 Sw Halfmoon, NYA TREE AND WIRES WERE DOWNED ON GROOMS ROAD IN THE TOWN OF CLIFTON PARK.
Dec 11, 9:05 PM ESTTSTM WND DMG1 Sw North Easton, NYTREES DOWN IN EASTON.

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 00:00Z, 1.6 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 00:00Z on 2021-12-12Temperature 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 00:00Z on 2021-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 405 square meters per square second.1939587897117136Sfc1 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
956 m above ground
0-6 km bulk shear
95 kt
0-1 km storm-relative helicity
405 m²/s²
0-3 km storm-relative helicity
481 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

624 
WUUS51 KALY 120138
SVRALY
NYC001-083-091-093-095-115-120230-
/O.NEW.KALY.SV.W.0185.211212T0138Z-211212T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
838 PM EST Sat Dec 11 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Central Schenectady County in east central New York...
  Albany County in east central New York...
  Southeastern Saratoga County in east central New York...
  East central Schoharie County in east central New York...
  Southern Washington County in east central New York...
  Northwestern Rensselaer County in east central New York...

* Until 930 PM EST.

* At 837 PM EST, showers with very strong winds were moving across 
  the area along a line from Fort Edward to near Middleburgh, moving 
  east at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Albany, Schenectady, Troy, Clifton Park, Rotterdam, Saratoga
  Springs, East Greenbush, Cohoes, Watervliet, Rensselaer, Colonie,
  Scotia, Mechanicville, Salem, Delmar, Latham, Guilderland,
  Niskayuna, Duanesburg and Ballston Spa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Please 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 4326 7363 4326 7326 4305 7327 4257 7368
      4248 7445
TIME...MOT...LOC 0137Z 255DEG 47KT 4322 7362 4255 7432 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MSE
1 follow-up statement
914 
WWUS51 KALY 120208
SVSALY

Severe Weather Statement
National Weather Service Albany NY
908 PM EST Sat Dec 11 2021

NYC001-091-093-095-120216-
/O.CAN.KALY.SV.W.0185.000000T0000Z-211212T0230Z/
Schenectady NY-Albany NY-Saratoga NY-Schoharie NY-
908 PM EST Sat Dec 11 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SCHENECTADY...
ALBANY...SOUTHEASTERN SARATOGA AND EAST CENTRAL SCHOHARIE COUNTIES IS
CANCELLED...

The heavy showers accompanied by strong winds that prompted the 
warning have moved out of the area.  Gusty winds will continue 
through the night.  


LAT...LON 4305 7327 4257 7368 4256 7375 4262 7376
      4281 7366 4291 7368 4294 7363 4306 7358
      4322 7358 4324 7360 4326 7359 4326 7326
TIME...MOT...LOC 0206Z 255DEG 47KT 4331 7315 4264 7386 

$$

NYC083-115-120230-
/O.CON.KALY.SV.W.0185.000000T0000Z-211212T0230Z/
Washington NY-Rensselaer NY-
908 PM EST Sat Dec 11 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EST
FOR SOUTHERN WASHINGTON AND NORTHWESTERN RENSSELAER COUNTIES...

At 906 PM EST, severe thunderstorms were located along a line
extending from near Pawlet to Delmar, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Troy, East Greenbush, Watervliet, Rensselaer, Salem, Menands, Fort
Edward, Green Island, Cambridge, Greenwich, Center Brunswick,
Wyantskill, Wynantskill, West Sand Lake, North Greenbush, Brunswick,
Lee, Pittstown, Poestenkill and Easton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4305 7327 4257 7368 4256 7375 4262 7376
      4281 7366 4291 7368 4294 7363 4306 7358
      4322 7358 4324 7360 4326 7359 4326 7326
TIME...MOT...LOC 0206Z 255DEG 47KT 4331 7315 4264 7386 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 7:24 PM ESTSpecial Weather StatementALYFulton, Hamilton51 min
Dec 11, 7:44 PM ESTSpecial Weather StatementALYMontgomery, Schoharie46 min
Dec 11, 8:27 PM ESTSpecial Weather StatementALYSaratoga, Schenectady, Schoharie33 min
Dec 11, 9:15 PM ESTSevere Thunderstorm WarningALYAlbany, Rensselaer, Washington60 min
Dec 11, 9:29 PM ESTSpecial Weather StatementALYDutchess31 min
Dec 11, 9:49 PM ESTSevere Thunderstorm WarningALYColumbia, Dutchess, Rensselaer45 min

Nearby

Severe Thunderstorm Warnings in New York, 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.