Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 49, NWS Albany, NY

June 29, 2021Washington County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 29, 2021, 3:41 PM EDT for Washington County, New York. It was in force for 13 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 29, 2021, 3:41 PM EDT (19:41 UTC)
Expired: Jun 29, 2021, 3:54 PM EDT
In force: 13 min
Issued by: NWS Albany, NY
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Washington County, NY

The radar

The Albany radar (KENX), 110 km from the middle of the area, began a volume at 19:41 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 29, 3:41 PM EDT	TSTM WND DMG	Granville, NY	TREE AND WIRES DOWN ALONG STATE ROUTE 149 IN GRANVILLE. TIME ESTIMATED BY RADAR.
Jun 29, 3:43 PM EDT	TSTM WND DMG	2 Nnw Granville, NY	2 TREES AND SOME BRANCHES DOWN.

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, 7.7 hours before the alert went out and 90 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: 333 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1057 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

As transmitted.

430 
WUUS51 KALY 291941
SVRALY
NYC115-292030-
/O.NEW.KALY.SV.W.0049.210629T1941Z-210629T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
341 PM EDT Tue Jun 29 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  East central Washington County in east central New York...

* Until 430 PM EDT.

* At 341 PM EDT, a severe thunderstorm was located over Granville, or
  13 miles southeast of Whitehall, moving east at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Granville, Raceville, Middle Granville, Slateville, West Pawlet and
  South Granville.

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.

&&

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 4333 7325 4333 7335 4350 7331 4349 7325
TIME...MOT...LOC 1941Z 286DEG 12KT 4340 7326 

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

JPV

1 follow-up statement

418 
WWUS51 KALY 291954
SVSALY

Severe Weather Statement
National Weather Service Albany NY
354 PM EDT Tue Jun 29 2021

NYC115-292004-
/O.CAN.KALY.SV.W.0049.000000T0000Z-210629T2030Z/
Washington NY-
354 PM EDT Tue Jun 29 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL WASHINGTON COUNTY
IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 4333 7325 4333 7335 4350 7331 4349 7325
TIME...MOT...LOC 1953Z 286DEG 12KT 4339 7320 

$$

JPV

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 1:54 PM EDT	Special Weather Statement	ALY	Dutchess	36 min
Jun 29, 1:59 PM EDT	Special Weather Statement	ALY	Columbia	31 min
Jun 29, 2:01 PM EDT	Special Weather Statement	ALY	Montgomery	29 min
Jun 29, 2:12 PM EDT	Severe Thunderstorm Warning	ALY	Columbia	22 min
Jun 29, 2:19 PM EDT	Areal Flood Advisory	ALY	Columbia, Dutchess	64 min
Jun 29, 2:43 PM EDT	Special Weather Statement	ALY	Dutchess	32 min
Jun 29, 2:45 PM EDT	Special Weather Statement	ALY	Warren	30 min
Jun 29, 2:52 PM EDT	Special Weather Statement	ALY	Schoharie	23 min
Jun 29, 3:16 PM EDT	Special Weather Statement	ALY	Washington	29 min
Jun 29, 3:18 PM EDT	Special Weather Statement	ALY	Schenectady	27 min
Jun 29, 3:29 PM EDT	Special Weather Statement	ALY	Washington	31 min
Jun 29, 3:52 PM EDT	Heat Advisory	ALY	Albany, Columbia, Dutchess, Greene, Rensselaer, Saratoga and 4 more	27 hr
Jun 29, 4:20 PM EDT	Special Weather Statement	ALY	Rensselaer	40 min
Jun 29, 4:42 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	63 min
Jun 29, 4:49 PM EDT	Special Weather Statement	ALY	Otsego	26 min
Jun 29, 5:02 PM EDT	Special Weather Statement	ALY	Dutchess	28 min
Jun 29, 5:07 PM EDT	Special Weather Statement	ALY	Rensselaer	38 min
Jun 29, 5:15 PM EDT	Severe Thunderstorm Warning	ALY	Columbia, Rensselaer	60 min
Jun 29, 5:20 PM EDT	Special Weather Statement	ALY	Otsego	25 min
Jun 29, 5:44 PM EDT	Special Weather Statement	ALY	Montgomery	46 min
Jun 29, 5:46 PM EDT	Areal Flood Advisory	ALY	Columbia	119 min
Jun 29, 5:57 PM EDT	Severe Thunderstorm Warning	ALY	Montgomery, Schenectady, Schoharie	63 min
Jun 29, 6:00 PM EDT	Special Weather Statement	ALY	Montgomery	45 min
Jun 29, 6:32 PM EDT	Special Weather Statement	ALY	Columbia	43 min
Jun 29, 6:44 PM EDT	Special Weather Statement	ALY	Schenectady	31 min
Jun 29, 6:53 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Schenectady, Schoharie	52 min
Jun 29, 7:38 PM EDT	Special Weather Statement	ALY	Albany	37 min
Jun 29, 7:45 PM EDT	Severe Thunderstorm Warning	ALY	Albany, Columbia, Greene, Rensselaer	60 min
Jun 29, 7:47 PM EDT	Special Weather Statement	ALY	Rensselaer	28 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.