Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 133, NWS Albany, NY

July 27, 2021Albany County, Greene County, Schoharie County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 27, 2021, 4:34 PM EDT for Albany County, Greene County, Schoharie County, New York. It was in force for 21 min. 2 reports 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 27, 2021, 4:34 PM EDT (20:34 UTC)
Expired
Jul 27, 2021, 4:55 PM EDT
In force
21 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Greene County, NY, Schoharie County, NY

The radar

The Albany radar (KENX), 15 km from the middle of the area, began a volume at 20:34 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 27, 4:44 PM EDTHAIL 0.75Selkirk, NY
Jul 27, 5:00 PM EDTTSTM WND DMGCoxsackie, NYTREES DOWN FROM THUNDERSTORM OUTFLOW BOUNDARY.

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 27, 2:47 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.6 hours before the alert went out and 26 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 2021-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1464 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

418 
WUUS51 KALY 272034
SVRALY
NYC001-039-095-272130-
/O.NEW.KALY.SV.W.0133.210727T2034Z-210727T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
434 PM EDT Tue Jul 27 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southern Albany County in east central New York...
  Northeastern Greene County in east central New York...
  Southeastern Schoharie County in east central New York...

* Until 530 PM EDT.

* At 433 PM EDT, a severe thunderstorm was located over
  Livingstonville, or 16 miles southeast of Cobleskill, moving east
  at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  New Baltimore, Westerlo, Ravena, Coxsackie, Middleburgh,
  Livingstonville, Preston-Potter Hollow, Preston Hollow, Selkirk, 
  Coeymans, Rensselaerville, Coeymans Hollow, Huntersland, Spawn 
  Hollow, Dormansville. 

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 4262 7432 4253 7376 4247 7379 4246 7378
      4244 7377 4237 7379 4231 7378 4245 7438
TIME...MOT...LOC 2033Z 284DEG 42KT 4252 7426 

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

MSE
1 follow-up statement
143 
WWUS51 KALY 272055
SVSALY

Severe Weather Statement
National Weather Service Albany NY
455 PM EDT Tue Jul 27 2021

NYC001-039-095-272104-
/O.CAN.KALY.SV.W.0133.000000T0000Z-210727T2130Z/
Albany NY-Greene NY-Schoharie NY-
455 PM EDT Tue Jul 27 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ALBANY...NORTHEASTERN
GREENE AND SOUTHEASTERN SCHOHARIE 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.

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

LAT...LON 4262 7432 4253 7376 4247 7379 4246 7378
      4244 7377 4237 7379 4231 7378 4245 7438
TIME...MOT...LOC 2052Z 284DEG 42KT 4246 7393 

$$

MSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 2:48 PM EDTSpecial Weather StatementALYMontgomery, Schenectady27 min
Jul 27, 2:51 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady54 min
Jul 27, 2:52 PM EDTAreal Flood AdvisoryALYMontgomery2 hr
Jul 27, 3:09 PM EDTSpecial Weather StatementALYWarren36 min
Jul 27, 3:15 PM EDTSpecial Weather StatementALYOtsego30 min
Jul 27, 3:20 PM EDTSevere Thunderstorm WarningALYHerkimer23 min
Jul 27, 3:30 PM EDTSpecial Weather StatementALYAlbany30 min
Jul 27, 3:40 PM EDTSpecial Weather StatementALYRensselaer35 min
Jul 27, 3:43 PM EDTSpecial Weather StatementALYWashington32 min
Jul 27, 3:59 PM EDTSevere Thunderstorm WarningALYAlbany, Rensselaer, Saratoga46 min
Jul 27, 4:20 PM EDTSpecial Weather StatementALYSchoharie25 min
Jul 27, 4:30 PM EDTSevere Thunderstorm WarningALYRensselaer43 min
Jul 27, 4:54 PM EDTSpecial Weather StatementALYRensselaer36 min
Jul 27, 5:16 PM EDTSpecial Weather StatementALYColumbia44 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.