Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 97, NWS Albany, NY

July 7, 2021Albany County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 6:25 PM EDT for Albany County, Schoharie County, New York. It was in force for 54 min. 1 report 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
Jul 7, 2021, 6:25 PM EDT (22:25 UTC)
Expired
Jul 7, 2021, 7:19 PM EDT
In force
54 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Albany County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 11 km from the middle of the area, began a volume at 22:25 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
Jul 7, 6:51 PM EDTTSTM WND DMG2 S Clarksville, NYSEVERAL TREES WERE DOWNED BLOCKING LAWSON LAKE ROAD

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
Jul 7, 2:41 PM EDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.4 hours before the alert went out and 34 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 2021-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2021-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
18 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
923 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

822 
WUUS51 KALY 072225
SVRALY
NYC001-095-072330-
/O.NEW.KALY.SV.W.0097.210707T2225Z-210707T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
625 PM EDT Wed Jul 7 2021

The National Weather Service in Albany has issued a

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

* Until 730 PM EDT.

* At 625 PM EDT, a severe thunderstorm was located near Middleburgh,
  or 12 miles southeast of Cobleskill, moving east 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...
  Westerlo, Berne, Voorheesville, Altamont, Middleburgh,
  Livingstonville, Feura Bush, Breakabeen, New Scotland, Knox,
  Rensselaerville, Clarksville, East Berne, Meadowdale, Shoefelt
  Corners, South Albany, West Berne, Huntersland, Selkirk Yards and
  Spawn Hollow.

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 4243 7437 4260 7446 4273 7397 4254 7378
TIME...MOT...LOC 2225Z 253DEG 21KT 4254 7432 

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

ATE
2 follow-up statements
569 
WWUS51 KALY 072311
SVSALY

Severe Weather Statement
National Weather Service Albany NY
711 PM EDT Wed Jul 7 2021

NYC095-072321-
/O.CAN.KALY.SV.W.0097.000000T0000Z-210707T2330Z/
Schoharie NY-
711 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN 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 1100 PM EDT for
east central New York.

LAT...LON 4252 7391 4261 7398 4264 7388 4254 7378
TIME...MOT...LOC 2311Z 253DEG 21KT 4262 7397 

$$

NYC001-072330-
/O.CON.KALY.SV.W.0097.000000T0000Z-210707T2330Z/
Albany NY-
711 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR CENTRAL ALBANY COUNTY...

At 711 PM EDT, a severe thunderstorm was located over Voorheesville,
or 7 miles west of Delmar, moving east 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...
Feura Bush, New Scotland, South Bethlehem, Bethlehem Heights,
Mallorys Corners, South Albany, Selkirk Yards, Spawn Hollow,
Callanans Corners, Beckers Corners and Houcks Corners.

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 4252 7391 4261 7398 4264 7388 4254 7378
TIME...MOT...LOC 2311Z 253DEG 21KT 4262 7397 

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

NAS
309 
WWUS51 KALY 072319
SVSALY

Severe Weather Statement
National Weather Service Albany NY
719 PM EDT Wed Jul 7 2021

NYC001-072329-
/O.CAN.KALY.SV.W.0097.000000T0000Z-210707T2330Z/
Albany NY-
719 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ALBANY 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 1100 PM EDT for
east central New York.

LAT...LON 4252 7391 4261 7398 4264 7388 4254 7378
TIME...MOT...LOC 2318Z 253DEG 21KT 4263 7391 

$$

NAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 1:22 PM EDTSpecial Weather StatementALYSchoharie53 min
Jul 7, 2:14 PM EDTSpecial Weather StatementALYAlbany31 min
Jul 7, 2:25 PM EDTSevere Thunderstorm WarningALYAlbany, Greene, Schoharie35 min
Jul 7, 2:58 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer32 min
Jul 7, 3:07 PM EDTSpecial Weather StatementALYGreene23 min
Jul 7, 3:23 PM EDTSpecial Weather StatementALYColumbia37 min
Jul 7, 3:29 PM EDTSpecial Weather StatementALYRensselaer31 min
Jul 7, 3:29 PM EDTSevere Thunderstorm WarningALYColumbia, Greene31 min
Jul 7, 3:46 PM EDTSpecial Weather StatementALYGreene29 min
Jul 7, 4:01 PM EDTAreal Flood AdvisoryALYColumbia119 min
Jul 7, 4:41 PM EDTSpecial Weather StatementALYColumbia34 min
Jul 7, 4:44 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess31 min
Jul 7, 4:59 PM EDTSpecial Weather StatementALYColumbia16 min
Jul 7, 5:03 PM EDTSpecial Weather StatementALYGreene27 min
Jul 7, 5:19 PM EDTSpecial Weather StatementALYColumbia26 min
Jul 7, 5:23 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess49 min
Jul 7, 5:42 PM EDTSevere Thunderstorm WarningALYSchoharie48 min
Jul 7, 6:03 PM EDTSpecial Weather StatementALYAlbany27 min
Jul 7, 6:06 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer39 min
Jul 7, 6:15 PM EDTSpecial Weather StatementALYSchoharie30 min
Jul 7, 6:35 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie70 min
Jul 7, 6:46 PM EDTSpecial Weather StatementALYRensselaer59 min
Jul 7, 6:48 PM EDTSevere Thunderstorm WarningALYRensselaer27 min
Jul 7, 7:06 PM EDTSpecial Weather StatementALYAlbany24 min
Jul 7, 7:22 PM EDTSpecial Weather StatementALYUlster38 min
Jul 7, 7:34 PM EDTSpecial Weather StatementALYColumbia41 min
Jul 7, 7:59 PM EDTSpecial Weather StatementALYDutchess46 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.