Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 76, NWS Albany, NY

July 6, 2021Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 6, 2021, 2:38 PM EDT for Ulster County, New York. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2021, 2:38 PM EDT (18:38 UTC)
Expired
Jul 6, 2021, 3:30 PM EDT
In force
52 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Ulster County, NY

The radar

The Albany radar (KENX), 71 km from the middle of the area, began a volume at 18:41 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.

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, 6.6 hours before the alert went out and 91 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.

876 
WUUS51 KALY 061838
SVRALY
NYC111-061930-
/O.NEW.KALY.SV.W.0076.210706T1838Z-210706T1930Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northern Ulster County in east central New York...

* Until 330 PM EDT.

* At 238 PM EDT, a severe thunderstorm was located near
  Margaretville, or 18 miles southeast of Delhi, moving east at 25
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Woodstock, Woodland Valley Campground, West Shokan, Kenneth L
  Wilson Campground, Mount Tremper, Olivebridge, Phoenicia, West
  Hurley, Denning, Ashokan, Mapledale, Samsonville, Glenford,
  Palentown, Big Indian, Sundown, Oliverea, Pacama, Brodhead and
  Liebhardt.

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.

Persons in campgrounds should consider seeking sturdy shelter until
this storm passes. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now!

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 4212 7455 4209 7409 4183 7419 4189 7448
      4202 7478
TIME...MOT...LOC 1838Z 279DEG 23KT 4207 7469 

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, 2:22 PM EDTSevere Thunderstorm WarningALYAlbany, Montgomery, Schenectady, Schoharie38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.