Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 34, NWS Albany, NY

June 21, 2021Warren County, Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 5:21 PM EDT for Warren County, Washington County, New York. It was in force for 39 min. 5 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 21, 2021, 5:21 PM EDT (21:21 UTC)
Expired
Jun 21, 2021, 6:00 PM EDT
In force
39 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Warren County, NY, Washington County, NY

The radar

The Albany radar (KENX), 97 km from the middle of the area, began a volume at 21:23 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 21, 5:25 PM EDTTSTM WND DMG1 Ene Glens Falls Airpo, NYTREE ON POWER LINES ON BARDIN RD IN KINGSBURY.
Jun 21, 5:25 PM EDTTSTM WND DMG3 Ene Glens Falls Airpo, NYTREES AND WIRES DOWN IN KINGSBURY.
Jun 21, 5:40 PM EDTTSTM WND DMG2 Nw Granville, NYTREES AND WIRES DOWN IN MIDDLE GRANVILLE.
Jun 21, 5:50 PM EDTTSTM WND DMG4 N Granville, NYTREE AND WIRES DOWN ON CROSS AND BUTLER ROAD INTERSECTION.
Jun 21, 6:07 PM EDTTSTM WND DMG3 Nnw Granville, NYTREE AND WIRES DOWN ON STATE ROUTE 22A IN GRANVILLE.

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 21, 1:11 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.4 hours before the alert went out and 78 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 524 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
524 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
990 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.4

Open this sounding in Storm Lab

The text

As transmitted.

190 
WUUS51 KALY 212121
SVRALY
NYC113-115-212200-
/O.NEW.KALY.SV.W.0034.210621T2121Z-210621T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
521 PM EDT Mon Jun 21 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southeastern Warren County in east central New York...
  Central Washington County in east central New York...

* Until 600 PM EDT.

* At 521 PM EDT, a severe thunderstorm was located near Hudson Falls,
  moving northeast at 25 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Glens Falls, Hudson Falls, Granville, Hartford, Comstock, Glens
  Falls North, Queensbury, Kingsbury, South Glens Falls, Fort Ann,
  Middle Granville, Dunham Basin, Smiths Basin, Adamsville, North
  Granville, South Granville, Truthville, Raceville, Oneida Corners
  and Tripoli.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

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 4336 7325 4328 7358 4329 7360 4330 7359
      4331 7360 4330 7363 4331 7364 4340 7372
      4349 7346 4348 7325
TIME...MOT...LOC 2121Z 236DEG 22KT 4335 7358 

HAIL...0.88IN
WIND...60MPH
 
$$

KSL
1 follow-up statement
413 
WWUS51 KALY 212142
SVSALY

Severe Weather Statement
National Weather Service Albany NY
542 PM EDT Mon Jun 21 2021

NYC113-212151-
/O.CAN.KALY.SV.W.0034.000000T0000Z-210621T2200Z/
Warren NY-
542 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WARREN COUNTY 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 900 PM EDT for
east central New York.

LAT...LON 4336 7325 4333 7347 4333 7353 4344 7359
      4349 7346 4348 7325
TIME...MOT...LOC 2141Z 236DEG 22KT 4342 7344 

$$

NYC115-212200-
/O.CON.KALY.SV.W.0034.000000T0000Z-210621T2200Z/
Washington NY-
542 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR CENTRAL WASHINGTON COUNTY...

At 541 PM EDT, a severe thunderstorm was located over Comstock, or 9
miles south of Whitehall, moving northeast at 25 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Granville, Hartford, Comstock, Kingsbury, Fort Ann, Middle Granville,
Smiths Basin, North Granville, Slyboro, Baldwin Corner, South
Granville, South Hartford, Truthville, Raceville, West Granville and
West Fort Ann.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

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

&&

LAT...LON 4336 7325 4333 7347 4333 7353 4344 7359
      4349 7346 4348 7325
TIME...MOT...LOC 2141Z 236DEG 22KT 4342 7344 

TORNADO...POSSIBLE
HAIL...0.88IN
WIND...60MPH
 
$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 5:14 AM EDTSpecial Weather StatementALYFulton31 min
Jun 21, 8:12 AM EDTSpecial Weather StatementALYHerkimer33 min
Jun 21, 2:21 PM EDTSpecial Weather StatementALYHamilton, Herkimer39 min
Jun 21, 2:33 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer42 min
Jun 21, 2:56 PM EDTSpecial Weather StatementALYHerkimer49 min
Jun 21, 3:03 PM EDTSevere Thunderstorm WarningALYHamilton42 min
Jun 21, 3:16 PM EDTAreal Flood AdvisoryALYHamilton, Herkimer91 min
Jun 21, 3:34 PM EDTSevere Thunderstorm WarningALYHamilton, Warren41 min
Jun 21, 3:36 PM EDTSpecial Weather StatementALYHerkimer39 min
Jun 21, 3:41 PM EDTSevere Thunderstorm WarningALYHamilton34 min
Jun 21, 3:48 PM EDTSpecial Weather StatementALYOneida42 min
Jun 21, 3:52 PM EDTAreal Flood AdvisoryALYHamilton61 min
Jun 21, 4:05 PM EDTSpecial Weather StatementALYHamilton40 min
Jun 21, 4:14 PM EDTSevere Thunderstorm WarningALYHamilton, Warren46 min
Jun 21, 4:22 PM EDTFlash Flood WarningALYHamilton44 min
Jun 21, 4:29 PM EDTSpecial Weather StatementALYWarren31 min
Jun 21, 4:37 PM EDTSevere Thunderstorm WarningALYWarren, Washington23 min
Jun 21, 4:48 PM EDTSevere Thunderstorm WarningALYWarren, Washington42 min
Jun 21, 4:51 PM EDTSpecial Weather StatementALYHamilton24 min
Jun 21, 5:03 PM EDTSevere Thunderstorm WarningALYWarren, Washington27 min
Jun 21, 5:12 PM EDTSpecial Weather StatementALYWashington33 min
Jun 21, 5:15 PM EDTAreal Flood AdvisoryALYWarren, Washington69 min
Jun 21, 5:50 PM EDTAreal Flood AdvisoryALYWashington55 min
Jun 21, 5:54 PM EDTSevere Thunderstorm WarningALYWashington36 min
Jun 21, 6:18 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer57 min
Jun 21, 6:28 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer62 min
Jun 21, 6:46 PM EDTTornado WarningALYFulton, Hamilton, Herkimer29 min
Jun 21, 7:22 PM EDTSpecial Weather StatementALYWarren23 min
Jun 21, 7:28 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Saratoga, Warren62 min
Jun 21, 7:46 PM EDTSpecial Weather StatementALYMontgomery44 min
Jun 21, 7:55 PM EDTSpecial Weather StatementALYWarren50 min
Jun 21, 7:57 PM EDTSevere Thunderstorm WarningALYWarren, Washington34 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.