Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 96, NWS Albany, NY

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

NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 6:06 PM EDT for Albany County, Rensselaer County, New York. It was in force for 39 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, 6:06 PM EDT (22:06 UTC)
Expired
Jul 7, 2021, 6:45 PM EDT
In force
39 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Rensselaer County, NY

The radar

The Albany radar (KENX), 38 km from the middle of the area, began a volume at 22:09 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, 10.1 hours before the alert went out and 24 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.

797 
WUUS51 KALY 072206
SVRALY
NYC001-083-072245-
/O.NEW.KALY.SV.W.0096.210707T2206Z-210707T2245Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southeastern Albany County in east central New York...
  Southern Rensselaer County in east central New York...

* Until 645 PM EDT.

* At 606 PM EDT, a severe thunderstorm was located over Feura Bush,
  or near 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...
  Albany, East Greenbush, Rensselaer, Nassau, Delmar, Ravena,
  Stephentown, Berlin, Castleton-On-Hudson, West Sand Lake, Averill
  Park, Feura Bush, Selkirk, Sand Lake, Coeymans, Poestenkill,
  Clarksville, East Nassau, Coeymans Hollow and Brookview.

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 4251 7337 4244 7395 4261 7399 4272 7332
TIME...MOT...LOC 2206Z 262DEG 25KT 4254 7388 

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

NAS
2 follow-up statements
025 
WWUS51 KALY 072225
SVSALY

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

NYC001-083-072245-
/O.CON.KALY.SV.W.0096.000000T0000Z-210707T2245Z/
Albany NY-Rensselaer NY-
625 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN ALBANY AND SOUTHERN RENSSELAER COUNTIES...

At 625 PM EDT, a severe thunderstorm was located over
Castleton-On-Hudson, or over East Greenbush, 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...
Albany, East Greenbush, Rensselaer, Nassau, Ravena, Stephentown,
Berlin, Castleton-On-Hudson, West Sand Lake, Averill Park, Selkirk,
Sand Lake, Coeymans, East Nassau, Brookview, Van Hoesen Station, West
Stephentown, Jacks Corners, Beckers Corners and Millers Corners.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4251 7337 4246 7385 4264 7380 4272 7332
TIME...MOT...LOC 2225Z 262DEG 25KT 4256 7373 

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

NAS
582 
WWUS51 KALY 072235
SVSALY

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

NYC001-072245-
/O.CAN.KALY.SV.W.0096.000000T0000Z-210707T2245Z/
Albany NY-
635 PM EDT Wed Jul 7 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN 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 4251 7337 4247 7376 4265 7371 4272 7332
TIME...MOT...LOC 2235Z 262DEG 25KT 4257 7365 

$$

NYC083-072245-
/O.CON.KALY.SV.W.0096.000000T0000Z-210707T2245Z/
Rensselaer NY-
635 PM EDT Wed Jul 7 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHERN RENSSELAER COUNTY...

At 635 PM EDT, a severe thunderstorm was located near East Greenbush,
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...
East Greenbush, Nassau, Stephentown, Berlin, Averill Park, West Sand
Lake, Sand Lake, East Nassau, Totem Lodge, East Schodack, Brookview,
Garfield, East Poestenkill, North Stephentown, Van Hoesen Station,
West Stephentown, Jacks Corners, Hoag Corners, Millers Corners and
Taborton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4251 7337 4247 7376 4265 7371 4272 7332
TIME...MOT...LOC 2235Z 262DEG 25KT 4257 7365 

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

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, 6:15 PM EDTSpecial Weather StatementALYSchoharie30 min
Jul 7, 6:25 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie54 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.