Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 43, NWS Albany, NY

June 21, 2021Montgomery County, Saratoga County, Schenectady County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 8:43 PM EDT for Montgomery County, Saratoga County, Schenectady County, New York. It was in force for 62 min. 2 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, 8:43 PM EDT (00:43 UTC)
Expired: Jun 21, 2021, 9:45 PM EDT
In force: 62 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Montgomery County, NY, Saratoga County, NY, Schenectady County, NY

The radar

The Albany radar (KENX), 56 km from the middle of the area, began a volume at 00:42 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

Time	Report	Where	Remark
Jun 21, 8:44 PM EDT	TSTM WND DMG	Galway, NY	TREE DOWN ON WIRES ALONG SOUTHLINE RD. ALSO LIGHTNING HIT A STRUCTURE, CAUSING A FIRE, ON LAKE RD.
Jun 21, 8:52 PM EDT	TSTM WND DMG	3 N Porter Corners, NY	TREE DOWN ON WIRES

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.

Issued	Product	Office	Lasted
Jun 21, 1:11 PM EDT	Severe Thunderstorm Watch	SPC	10 hr
Jun 21, 3:45 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.7 hours before the alert went out and 41 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1525 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 1247 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 218 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 12.5

Open this sounding in Storm Lab

The text

As transmitted.

897 
WUUS51 KALY 220043
SVRALY
NYC057-091-093-220145-
/O.NEW.KALY.SV.W.0043.210622T0043Z-210622T0145Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Schenectady County in east central New York...
  Saratoga County in east central New York...
  Southeastern Montgomery County in eastern New York...

* Until 945 PM EDT.

* At 842 PM EDT, severe thunderstorms were located along a line
  extending from near Corinth to near Pattersonville-Rotterdam
  Junction, moving east at 20 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Schenectady, Clifton Park, Rotterdam, Saratoga Springs, Amsterdam,
  Scotia, Mechanicville, Glenville, Niskayuna, Ballston Spa, Fort
  Edward, Corinth, Waterford, Hagaman, Round Lake, Galway, Rotterdam
  Junction, East Glenville, Burnt Hills and Rock City Falls.

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 4298 7415 4298 7410 4304 7411 4327 7391
      4328 7383 4325 7384 4322 7377 4327 7373
      4328 7369 4326 7367 4329 7367 4330 7359
      4308 7358 4295 7363 4291 7368 4282 7366
      4278 7369 4282 7372 4277 7384 4279 7431
TIME...MOT...LOC 0042Z 264DEG 17KT 4322 7386 4286 7416 

HAIL...1.00IN
WIND...60MPH
 
$$

DBT

2 follow-up statements

846 
WWUS51 KALY 220104
SVSALY

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

NYC057-220113-
/O.CAN.KALY.SV.W.0043.000000T0000Z-210622T0145Z/
Montgomery NY-
904 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY 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 1100 PM EDT for
east central New York. A Severe Thunderstorm Watch also remains in
effect until 1100 PM EDT for east central New York.

LAT...LON 4294 7407 4297 7405 4301 7403 4325 7384
      4322 7377 4327 7373 4328 7369 4326 7367
      4329 7367 4330 7359 4308 7358 4295 7363
      4291 7368 4282 7366 4278 7369 4282 7372
      4277 7384 4285 7407
TIME...MOT...LOC 0103Z 263DEG 23KT 4324 7365 4288 7395 

$$

NYC091-093-220145-
/O.CON.KALY.SV.W.0043.000000T0000Z-210622T0145Z/
Schenectady NY-Saratoga NY-
904 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR NORTHEASTERN SCHENECTADY AND SARATOGA COUNTIES...

At 903 PM EDT, severe thunderstorms were located along a line
extending from near Fort Edward to East Glenville, moving east at 25
mph.

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

SOURCE...Emergency management. At 844 pm, trees and wires were 
         reported down in the vicinity of Corinth and Galway.

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

Locations impacted include...
Schenectady, Clifton Park, Saratoga Springs, Scotia, Mechanicville,
Glenville, Niskayuna, Ballston Spa, Fort Edward, Corinth, Waterford,
Round Lake, Rotterdam Junction, East Glenville, Burnt Hills, Rock
City Falls, Country Knolls, North Ballston Spa, Alplaus and
Pattersonville-Rotterdam Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4294 7407 4297 7405 4301 7403 4325 7384
      4322 7377 4327 7373 4328 7369 4326 7367
      4329 7367 4330 7359 4308 7358 4295 7363
      4291 7368 4282 7366 4278 7369 4282 7372
      4277 7384 4285 7407
TIME...MOT...LOC 0103Z 263DEG 23KT 4324 7365 4288 7395 

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

DBT

323 
WWUS51 KALY 220130
SVSALY

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

NYC091-093-220145-
/O.CON.KALY.SV.W.0043.000000T0000Z-210622T0145Z/
Schenectady NY-Saratoga NY-
930 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR NORTHEASTERN SCHENECTADY AND SOUTHEASTERN SARATOGA COUNTIES...

At 928 PM EDT, severe thunderstorms were located along a line
extending from near Fort Edward to near Country Knolls, moving east
at 20 mph.

HAZARD...60 mph wind gusts.

SOURCE...Emergency management. A few reports of trees and wires 
         downed were received between 845 and 900 pm EDT in Galway 
         and Porters Corners.

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

Locations impacted include...
Schenectady, Clifton Park, Saratoga Springs, Scotia, Mechanicville,
Niskayuna, Ballston Spa, Fort Edward, Waterford, Round Lake,
Rotterdam Junction, East Glenville, Burnt Hills, Country Knolls,
North Ballston Spa, Alplaus, Pattersonville-Rotterdam Junction,
Gates, Halfmoon and Malta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4292 7402 4296 7399 4300 7395 4317 7375
      4326 7363 4330 7359 4308 7358 4295 7363
      4291 7368 4282 7366 4278 7369 4282 7372
      4277 7384 4285 7407
TIME...MOT...LOC 0128Z 269DEG 18KT 4325 7349 4290 7377 

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

DBT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 8:05 PM EDT	Areal Flood Advisory	ALY	Warren, Washington	3 hr
Jun 21, 8:12 PM EDT	Severe Thunderstorm Warning	ALY	Greene, Schoharie	51 min
Jun 21, 8:29 PM EDT	Severe Thunderstorm Warning	ALY	Warren, Washington	43 min
Jun 21, 8:34 PM EDT	Special Weather Statement	ALY	Saratoga	41 min
Jun 21, 8:37 PM EDT	Severe Thunderstorm Warning	ALY	Greene, Ulster	53 min
Jun 21, 8:49 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schenectady, Schoharie	30 min
Jun 21, 9:15 PM EDT	Severe Thunderstorm Warning	ALY	Washington	60 min
Jun 21, 9:34 PM EDT	Special Weather Statement	ALY	Columbia, Dutchess, Rensselaer	26 min
Jun 21, 9:37 PM EDT	Areal Flood Advisory	ALY	Washington	72 min
Jun 21, 9:44 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Rensselaer, Saratoga	61 min
Jun 21, 9:49 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Dutchess, Greene, Ulster	56 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Every 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.