Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 75, NWS Albany, NY

July 6, 20214 counties in New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 6, 2021, 2:22 PM EDT for 4 counties in New York. It was in force for 38 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 6, 2021, 2:22 PM EDT (18:22 UTC)
Expired
Jul 6, 2021, 3:00 PM EDT
In force
38 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Montgomery County, NY, Schenectady County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 29 km from the middle of the area, began a volume at 18:25 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 6, 2:43 PM EDTTSTM WND DMG3 Ssw Delanson, NYTREE DOWN ON WIRES. TIME ESTIMATED BY RADAR.

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 6, 1:13 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.4 hours before the alert went out and 42 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 2021-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 326 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 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
326 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

576 
WUUS51 KALY 061822
SVRALY
NYC001-057-093-095-061900-
/O.NEW.KALY.SV.W.0075.210706T1822Z-210706T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
222 PM EDT Tue Jul 6 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southwestern Schenectady County in east central New York...
  Northwestern Albany County in east central New York...
  Northeastern Schoharie County in east central New York...
  Southeastern Montgomery County in eastern New York...

* Until 300 PM EDT.

* At 222 PM EDT, a severe thunderstorm was located 8 miles northwest
  of Central Bridge, or 8 miles north of Cobleskill, moving east at
  25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Duanesburg, Altamont, Delanson, Central Bridge, Knox, Princetown,
  Carlisle, Sharon, Charleston, Esperance, Duane, Rockwell Corners,
  Gifford, Flat Creek, Market Corners, Quaker Street, Becker Corners,
  Oak Ridge, Argusville and Sagendorf 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 4274 7454 4288 7451 4286 7401 4261 7404
TIME...MOT...LOC 1822Z 277DEG 23KT 4280 7443 

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

KSL
2 follow-up statements
578 
WWUS51 KALY 061833
SVSALY

Severe Weather Statement
National Weather Service Albany NY
233 PM EDT Tue Jul 6 2021

NYC001-057-093-095-061900-
/O.CON.KALY.SV.W.0075.000000T0000Z-210706T1900Z/
Schenectady NY-Albany NY-Schoharie NY-Montgomery NY-
233 PM EDT Tue Jul 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTHWESTERN SCHENECTADY...NORTHWESTERN ALBANY...NORTHEASTERN
SCHOHARIE AND SOUTHEASTERN MONTGOMERY COUNTIES...

At 232 PM EDT, a severe thunderstorm was located near Central Bridge,
or 10 miles northeast of Cobleskill, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Duanesburg, Altamont, Delanson, Central Bridge, Knox, Princetown,
Carlisle, Charleston, Esperance, Duane, Rockwell Corners, Gifford,
Market Corners, Quaker Street, Becker Corners, Oak Ridge, Sagendorf
Corners, Mariaville Lake, West Township and Dwelly 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 4272 7447 4288 7441 4286 7401 4261 7404
TIME...MOT...LOC 1832Z 279DEG 23KT 4278 7433 

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

KSL
739 
WWUS51 KALY 061843
SVSALY

Severe Weather Statement
National Weather Service Albany NY
243 PM EDT Tue Jul 6 2021

NYC057-061853-
/O.CAN.KALY.SV.W.0075.000000T0000Z-210706T1900Z/
Montgomery NY-
243 PM EDT Tue Jul 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY 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.

LAT...LON 4269 7434 4278 7429 4281 7402 4276 7402
      4261 7404
TIME...MOT...LOC 1843Z 277DEG 23KT 4277 7424 

$$

NYC001-093-095-061900-
/O.CON.KALY.SV.W.0075.000000T0000Z-210706T1900Z/
Schenectady NY-Albany NY-Schoharie NY-
243 PM EDT Tue Jul 6 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT
FOR SOUTHWESTERN SCHENECTADY...NORTHWESTERN ALBANY AND NORTHEASTERN
SCHOHARIE COUNTIES...

At 243 PM EDT, a severe thunderstorm was located near Delanson, or 12
miles south of Amsterdam, moving east at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Duanesburg, Altamont, Delanson, Knox, Princetown, Esperance, Duane,
Duane Lake, West Township, Gifford, Thompsons Lake, Vroman Corners,
East Township, Quaker Street, Kelleys, Duane Mansion, Shutter
Corners, Gallupville, Esperance Station and Sidney 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 4269 7434 4278 7429 4281 7402 4276 7402
      4261 7404
TIME...MOT...LOC 1843Z 277DEG 23KT 4277 7424 

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

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 9:10 PM EDTSpecial Weather StatementALYHerkimer35 min
Jul 5, 10:36 PM EDTSpecial Weather StatementALYHerkimer39 min
Jul 5, 11:02 PM EDTSpecial Weather StatementALYMontgomery28 min
Jul 5, 11:18 PM EDTSpecial Weather StatementALYMontgomery27 min
Jul 5, 11:30 PM EDTSpecial Weather StatementALYOtsego45 min
Jul 5, 11:54 PM EDTSpecial Weather StatementALYOtsego36 min
Jul 6, 12:07 AM EDTSpecial Weather StatementALYMontgomery38 min
Jul 6, 12:22 AM EDTSpecial Weather StatementALYSchoharie23 min
Jul 6, 1:12 AM EDTSpecial Weather StatementALYRensselaer33 min
Jul 6, 1:08 PM EDTSpecial Weather StatementALYSchoharie52 min
Jul 6, 1:23 PM EDTSpecial Weather StatementALYMontgomery52 min
Jul 6, 1:31 PM EDTSpecial Weather StatementALYRensselaer44 min
Jul 6, 1:35 PM EDTSpecial Weather StatementALYOtsego40 min
Jul 6, 1:49 PM EDTSevere Thunderstorm WarningALYHerkimer26 min
Jul 6, 1:53 PM EDTSpecial Weather StatementALYMontgomery37 min
Jul 6, 2:05 PM EDTSpecial Weather StatementALYSchoharie40 min
Jul 6, 2:13 PM EDTSpecial Weather StatementALYRensselaer47 min
Jul 6, 2:38 PM EDTSevere Thunderstorm WarningALYUlster52 min
Jul 6, 2:47 PM EDTSpecial Weather StatementALYSchoharie43 min
Jul 6, 2:53 PM EDTSpecial Weather StatementALYAlbany52 min
Jul 6, 3:06 PM EDTSevere Thunderstorm WarningALYGreene, Schoharie39 min
Jul 6, 3:23 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Rensselaer37 min
Jul 6, 3:33 PM EDTHeat AdvisoryALYColumbia, Dutchess, Greene, Ulster27 hr
Jul 6, 3:40 PM EDTSpecial Weather StatementALYDutchess35 min
Jul 6, 3:43 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster62 min
Jul 6, 4:06 PM EDTSpecial Weather StatementALYColumbia24 min
Jul 6, 4:08 PM EDTSevere Thunderstorm WarningALYColumbia24 min
Jul 6, 4:16 PM EDTSevere Thunderstorm WarningALYDutchess45 min
Jul 6, 4:51 PM EDTSpecial Weather StatementALYPutnam39 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.