Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 44, NWS Albany, NY

June 21, 2021Albany County, Schenectady County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 8:49 PM EDT for Albany County, Schenectady County, Schoharie County, New York. It was in force for 30 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
Jun 21, 2021, 8:49 PM EDT (00:49 UTC)
Expired
Jun 21, 2021, 9:19 PM EDT
In force
30 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

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

The radar

The Albany radar (KENX), 16 km from the middle of the area, began a volume at 00:48 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
Jun 21, 8:50 PM EDTTSTM WND DMGMiddleburgh, NYTREES AND WIRES DOWN

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
Jun 21, 3:45 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.8 hours before the alert went out and 13 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 00:00Z on 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1525 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 00:00Z on 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
1525 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1247 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.1
Supercell composite
12.5

Open this sounding in Storm Lab

The text

As transmitted.

046 
WUUS51 KALY 220049
SVRALY
NYC001-093-095-220145-
/O.NEW.KALY.SV.W.0044.210622T0049Z-210622T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
849 PM EDT Mon Jun 21 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southern Schenectady County in east central New York...
  Albany County in east central New York...
  Eastern Schoharie County in east central New York...

* Until 945 PM EDT.

* At 849 PM EDT, a severe thunderstorm was located near Middleburgh,
  or 13 miles southeast of Cobleskill, moving northeast at 55 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Albany, Schenectady, Rotterdam, Colonie, Delmar, Guilderland,
  Niskayuna, Duanesburg, Westerlo, Berne, Voorheesville, Altamont,
  Middleburgh, Schoharie, Delanson, Livingstonville, Preston-Potter
  Hollow, Feura Bush, Central Bridge and Preston Hollow.

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 4281 7414 4282 7386 4278 7382 4278 7380
      4279 7379 4279 7377 4251 7381 4240 7429
      4269 7439
TIME...MOT...LOC 0049Z 247DEG 47KT 4258 7425 

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

MSE
2 follow-up statements
074 
WWUS51 KALY 220104 RRA
SVSALY

Severe Weather Statement
National Weather Service Albany NY
904 PM EDT Mon Jun 21 2021

NYC095-220114-
/O.CAN.KALY.SV.W.0044.000000T0000Z-210622T0145Z/
Schoharie NY-
904 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN 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. A Severe Thunderstorm Watch also remains in
effect until 1100 PM EDT for east central New York.

LAT...LON 4281 7414 4282 7386 4278 7382 4279 7377
      4251 7381 4241 7426 4247 7425 4250 7423
      4257 7424 4265 7417 4272 7417 4273 7418
      4271 7419 4271 7427 4274 7429
TIME...MOT...LOC 0104Z 246DEG 34KT 4264 7407 

$$

NYC001-093-220145-
/O.CON.KALY.SV.W.0044.000000T0000Z-210622T0145Z/
Schenectady NY-Albany NY-
904 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM EDT
FOR SOUTHERN SCHENECTADY AND ALBANY COUNTIES...

At 904 PM EDT, a severe thunderstorm was located near Berne, or 11
miles southwest of Rotterdam, moving northeast at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Albany, Schenectady, Rotterdam, Colonie, Delmar, Guilderland,
Niskayuna, Duanesburg, Westerlo, Berne, Voorheesville, Altamont,
Delanson, Preston-Potter Hollow, Feura Bush, Preston Hollow, New
Scotland, Knox, Princetown and Rensselaerville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4281 7414 4282 7386 4278 7382 4279 7377
      4251 7381 4241 7426 4247 7425 4250 7423
      4257 7424 4265 7417 4272 7417 4273 7418
      4271 7419 4271 7427 4274 7429
TIME...MOT...LOC 0104Z 246DEG 34KT 4264 7407 

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

MSE
422 
WWUS51 KALY 220119
SVSALY

Severe Weather Statement
National Weather Service Albany NY
919 PM EDT Mon Jun 21 2021

NYC001-093-220129-
/O.CAN.KALY.SV.W.0044.000000T0000Z-210622T0145Z/
Schenectady NY-Albany NY-
919 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN SCHENECTADY AND
ALBANY COUNTIES IS CANCELLED...
                
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 has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
east central New York. A Severe Thunderstorm Watch also remains in
effect until 1100 PM EDT for east central New York.

LAT...LON 4281 7414 4282 7386 4278 7382 4279 7377
      4251 7381 4241 7426 4247 7425 4250 7423
      4257 7424 4265 7417 4272 7417 4273 7418
      4271 7419 4271 7427 4274 7429
TIME...MOT...LOC 0117Z 247DEG 47KT 4272 7382 

$$

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:05 PM EDTAreal Flood AdvisoryALYWarren, Washington3 hr
Jun 21, 8:12 PM EDTSevere Thunderstorm WarningALYGreene, Schoharie51 min
Jun 21, 8:29 PM EDTSevere Thunderstorm WarningALYWarren, Washington43 min
Jun 21, 8:34 PM EDTSpecial Weather StatementALYSaratoga41 min
Jun 21, 8:37 PM EDTSevere Thunderstorm WarningALYGreene, Ulster53 min
Jun 21, 8:43 PM EDTSevere Thunderstorm WarningALYMontgomery, Saratoga, Schenectady62 min
Jun 21, 9:15 PM EDTSevere Thunderstorm WarningALYWashington60 min
Jun 21, 9:34 PM EDTSpecial Weather StatementALYColumbia, Dutchess, Rensselaer26 min
Jun 21, 9:37 PM EDTAreal Flood AdvisoryALYWashington72 min
Jun 21, 9:44 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer, Saratoga61 min
Jun 21, 9:49 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster56 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.