Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 66, NWS Albany, NY

June 30, 2021Albany County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 4:47 PM EDT for Albany County, Schoharie County, New York. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 30, 2021, 4:47 PM EDT (20:47 UTC)
Expired
Jun 30, 2021, 5:30 PM EDT
In force
43 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 22 km from the middle of the area, began a volume at 20:46 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.

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, 8.8 hours before the alert went out and 43 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.

421 
WUUS51 KALY 302047
SVRALY
NYC001-095-302130-
/O.NEW.KALY.SV.W.0066.210630T2047Z-210630T2130Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southwestern Albany County in east central New York...
  Central Schoharie County in east central New York...

* Until 530 PM EDT.

* At 447 PM EDT, a severe thunderstorm was located near Breakabeen,
  or 7 miles south of Cobleskill, moving east at 30 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Westerlo, Berne, Middleburgh, Livingstonville, Breakabeen,
  Rensselaerville, East Berne, Shoefelt Corners, West Berne,
  Huntersland, Smith Corner, West Fulton, Vintonton, Bramans Corners,
  Helderberg, Eminence, Lambs Corner, Housons Corners, Zucks Corners
  and Snyders Corners.

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 4266 7452 4265 7401 4243 7405 4252 7456
TIME...MOT...LOC 2047Z 278DEG 26KT 4258 7444 

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

KSL
2 follow-up statements
344 
WWUS51 KALY 302117
SVSALY

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

NYC095-302126-
/O.CAN.KALY.SV.W.0066.000000T0000Z-210630T2130Z/
Schoharie NY-
517 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SCHOHARIE 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 800 PM EDT for
east central New York. A Severe Thunderstorm Watch also remains in
effect until 1000 PM EDT for east central New York.

LAT...LON 4265 7418 4265 7401 4243 7405 4244 7408
      4246 7422
TIME...MOT...LOC 2116Z 278DEG 26KT 4255 7415 

$$

NYC001-302130-
/O.CON.KALY.SV.W.0066.000000T0000Z-210630T2130Z/
Albany NY-
517 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR SOUTHWESTERN ALBANY COUNTY...

At 516 PM EDT, a severe thunderstorm was located near Berne, or 16
miles west of Delmar, moving east at 30 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Westerlo, Berne, Rensselaerville, East Berne, Snyders Corners,
Shoefelt Corners, Bensons Corners, West Berne, Thompsons Lake, Smith
Corner, Thatcher State Park, South Berne, Bramans Corners,
Helderberg, Lambs Corner, Reidsville and Medusa.

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 4265 7418 4265 7401 4243 7405 4244 7408
      4246 7422
TIME...MOT...LOC 2116Z 278DEG 26KT 4255 7415 

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

KSL
406 
WWUS51 KALY 302122
SVSALY

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

NYC001-302132-
/O.EXP.KALY.SV.W.0066.000000T0000Z-210630T2130Z/
Albany NY-
522 PM EDT Wed Jun 30 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ALBANY COUNTY
WILL EXPIRE AT 530 PM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
east central New York. A Severe Thunderstorm Watch also remains in
effect until 1000 PM EDT for east central New York.

LAT...LON 4265 7418 4265 7401 4243 7405 4244 7408
      4246 7422
TIME...MOT...LOC 2122Z 278DEG 26KT 4254 7410 

$$

KSL

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, 2:54 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Schenectady, Washington36 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, 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

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.