Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 59, NWS Albany, NY

June 30, 20214 counties in New York; Bennington County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 2:54 PM EDT for 4 counties in New York; Bennington County, Vermont. It was in force for 36 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
Jun 30, 2021, 2:54 PM EDT (18:54 UTC)
Expired
Jun 30, 2021, 3:30 PM EDT
In force
36 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), 71 km from the middle of the area, began a volume at 18:54 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 30, 3:00 PM EDTTSTM WND DMG2 Sse Round Lake, NYLARGE TREE BRANCHES >2 INCH DIAMETER DOWN.
Jun 30, 3:06 PM EDTTSTM WND DMG2 Se Malta, NY4-6 DIAMETER BRANCHES DOWN IN LUTHER FOREST
Jun 30, 3:15 PM EDTTSTM WND DMGCambridge, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Jun 30, 3:18 PM EDTTSTM WND DMG1 S North Easton, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.

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.

IssuedProductOfficeLasted
Jun 30, 11:47 AM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.9 hours before the alert went out and 51 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

044 
WUUS51 KALY 301854
SVRALY
NYC083-091-093-115-VTC003-301930-
/O.NEW.KALY.SV.W.0059.210630T1854Z-210630T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
254 PM EDT Wed Jun 30 2021

The National Weather Service in Albany has issued a

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

* Until 330 PM EDT.

* At 254 PM EDT, severe thunderstorms were located along a line
  extending from near Hudson Falls to near Saratoga Springs to near
  Duanesburg, 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, Clifton Park, Saratoga Springs, Scotia, Hudson Falls,
  Mechanicville, Hoosick Falls, Salem, Niskayuna, Ballston Spa, Fort
  Edward, Hartford, Cambridge, Greenwich, Round Lake, Rotterdam
  Junction, East Glenville, Burnt Hills, Country Knolls and Alplaus.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, 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 4300 7321 4281 7349 4281 7372 4282 7373
      4281 7374 4281 7426 4303 7378 4329 7366
      4329 7364 4331 7364 4331 7360 4339 7361
      4337 7325 4332 7325 4331 7318
TIME...MOT...LOC 1854Z 256DEG 41KT 4334 7357 4304 7370 4284 7416 

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

Rathbun
1 follow-up statement
188 
WWUS51 KALY 301915
SVSALY

Severe Weather Statement
National Weather Service Albany NY
315 PM EDT Wed Jun 30 2021

NYC093-301924-
/O.CAN.KALY.SV.W.0059.000000T0000Z-210630T1930Z/
Schenectady NY-
315 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SCHENECTADY COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York...and southern Vermont.

LAT...LON 4300 7321 4281 7349 4281 7372 4282 7373
      4281 7374 4281 7385 4313 7359 4333 7347
      4331 7318
TIME...MOT...LOC 1914Z 270DEG 41KT 4339 7328 4309 7341 4289 7387 

$$

NYC083-091-115-VTC003-301930-
/O.CON.KALY.SV.W.0059.000000T0000Z-210630T1930Z/
Saratoga NY-Washington NY-Rensselaer NY-Bennington VT-
315 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR SOUTHEASTERN SARATOGA...SOUTHERN WASHINGTON...NORTHWESTERN
RENSSELAER AND NORTHWESTERN BENNINGTON COUNTIES...

At 314 PM EDT, severe thunderstorms were located along a line
extending from Granville to near Greenwich to Burnt Hills, moving
east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Clifton Park, Mechanicville, Hoosick Falls, Salem, Cambridge,
Greenwich, Halfmoon, Porter, Lee, Pittstown, White Creek, Easton,
Stillwater, Schuylerville, Rupert, Victory, Schaghticoke, Valley
Falls, Sandgate and Argyle.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4300 7321 4281 7349 4281 7372 4282 7373
      4281 7374 4281 7385 4313 7359 4333 7347
      4331 7318
TIME...MOT...LOC 1914Z 270DEG 41KT 4339 7328 4309 7341 4289 7387 

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

Rathbun

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:33 PM EDTSpecial Weather StatementALYColumbia27 min
Jun 29, 8:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 29, 9:29 PM EDTSpecial Weather StatementALYColumbia46 min
Jun 29, 10:53 PM EDTAreal Flood AdvisoryALYColumbia, Greene, Ulster3 hr
Jun 29, 11:05 PM EDTSevere Thunderstorm WarningALYColumbia, Greene, Ulster32 min
Jun 30, 11:14 AM EDTSpecial Weather StatementALYHamilton46 min
Jun 30, 11:59 AM EDTSpecial Weather StatementALYHamilton31 min
Jun 30, 12:50 PM EDTSpecial Weather StatementALYHerkimer25 min
Jun 30, 1:13 PM EDTSpecial Weather StatementALYWarren32 min
Jun 30, 1:16 PM EDTSpecial Weather StatementALYHamilton29 min
Jun 30, 1:22 PM EDTSevere Thunderstorm WarningALYHerkimer38 min
Jun 30, 1:41 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer49 min
Jun 30, 1:45 PM EDTSpecial Weather StatementALYFulton45 min
Jun 30, 2:18 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady, Warren42 min
Jun 30, 2:21 PM EDTSpecial Weather StatementALYSchenectady39 min
Jun 30, 2:41 PM EDTSpecial Weather StatementALYSchoharie34 min
Jun 30, 2:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 30, 2:59 PM EDTSpecial Weather StatementALYMontgomery31 min
Jun 30, 3:00 PM EDTSpecial Weather StatementALYRensselaer30 min
Jun 30, 3:24 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington30 min
Jun 30, 3:25 PM EDTAreal Flood AdvisoryALYRensselaer44 min
Jun 30, 3:31 PM EDTSpecial Weather StatementALYRensselaer29 min
Jun 30, 3:35 PM EDTAreal Flood AdvisoryALYRensselaer55 min
Jun 30, 3:35 PM EDTSevere Thunderstorm WarningALYColumbia40 min
Jun 30, 4:01 PM EDTSevere Thunderstorm WarningALYRensselaer27 min
Jun 30, 4:36 PM EDTSpecial Weather StatementALYSchoharie24 min
Jun 30, 4:47 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie43 min
Jun 30, 5:31 PM EDTSpecial Weather StatementALYColumbia44 min
Jun 30, 5:34 PM EDTSevere Thunderstorm WarningALYColumbia56 min
Jun 30, 5:43 PM EDTSpecial Weather StatementALYUlster47 min
Jun 30, 5:45 PM EDTSpecial Weather StatementALYColumbia30 min
Jun 30, 5:49 PM EDTAreal Flood AdvisoryALYColumbia80 min
Jun 30, 5:58 PM EDTFlash Flood WarningALYColumbia3 hr
Jun 30, 6:12 PM EDTSevere Thunderstorm WarningALYDutchess48 min
Jun 30, 6:32 PM EDTSevere Thunderstorm WarningALYUlster28 min
Jun 30, 6:34 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster41 min
Jun 30, 6:58 PM EDTAreal Flood AdvisoryALYDutchess, Ulster107 min
Jun 30, 7:08 PM EDTSevere Thunderstorm WarningALYDutchess67 min
Jun 30, 2:06 PM EDTSpecial Weather StatementALYBennington39 min
Jun 30, 2:48 PM EDTSpecial Weather StatementALYWindham42 min
Jun 30, 3:49 PM EDTSevere Thunderstorm WarningALYBennington, Windham26 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.