Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 155, NWS Albany, NY

August 13, 2021Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Aug 13, 2021, 8:12 PM EDT for Dutchess County, Ulster County, New York. It was in force for 47 min. 5 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
Aug 13, 2021, 8:12 PM EDT (00:12 UTC)
Expired
Aug 13, 2021, 8:59 PM EDT
In force
47 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 87 km from the middle of the area, began a volume at 00:15 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
Aug 13, 8:12 PM EDTTSTM WND DMG1 S Olive, NYTREE AND WIRES DOWN ON WEBER LANE
Aug 13, 8:12 PM EDTTSTM WND DMG3 Ne Kerhonkson, NYWIRES DOWN ON METTACAHONTS ROAD
Aug 13, 8:15 PM EDTTSTM WND DMG3 Nw Kerhonkson, NYTREE DOWN ON WIRES ON MELODY LANE
Aug 13, 8:17 PM EDTTSTM WND DMG2 N Kerhonkson, NYTREE AND WIRES DOWN ON ROCHESTER CENTER ROAD
Aug 13, 8:34 PM EDTTSTM WND DMG1 Ssw Stone Ridge, NYTREE AND WIRES DOWN ON REST PLAUS 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
Aug 13, 3:29 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.2 hours before the alert went out and 154 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, Brookhaven, NY at 00:00Z on 2021-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 935 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, Brookhaven, NY at 00:00Z on 2021-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.1939Sfc1 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
935 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1505 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

128 
WUUS51 KALY 140012
SVRALY
NYC027-111-140115-
/O.NEW.KALY.SV.W.0155.210814T0012Z-210814T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
812 PM EDT Fri Aug 13 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  East central Ulster County in east central New York...
  Northwestern Dutchess County in east central New York...

* Until 915 PM EDT.

* At 812 PM EDT, a severe thunderstorm was located near Kerhonkson,
  or 8 miles north of Ellenville, moving east at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Kingston, New Paltz, Rhinebeck, Hyde Park, Hurley, Highland,
  Fairview, High Falls, Kerhonkson, Staatsburg, Tillson, Napanoch,
  Port Ewen, Wawarsing, Lloyd, Esopus, Rosendale, Marbletown,
  Cherrytown and Rolling Meadows.

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 4175 7441 4188 7443 4199 7389 4171 7391
TIME...MOT...LOC 0012Z 263DEG 20KT 4182 7433 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

KSL
2 follow-up statements
480 
WWUS51 KALY 140034
SVSALY

Severe Weather Statement
National Weather Service Albany NY
834 PM EDT Fri Aug 13 2021

NYC027-111-140115-
/O.CON.KALY.SV.W.0155.000000T0000Z-210814T0115Z/
Ulster NY-Dutchess NY-
834 PM EDT Fri Aug 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR EAST CENTRAL ULSTER AND NORTHWESTERN DUTCHESS COUNTIES...

At 834 PM EDT, a severe thunderstorm was located over High Falls, or
7 miles northwest of New Paltz, moving east at 25 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Kingston, New Paltz, Rhinebeck, Hyde Park, Hurley, Highland,
Fairview, High Falls, Staatsburg, Tillson, Olivebridge, Port Ewen,
Kerhonkson, Lloyd, Esopus, Rosendale, Marbletown, Rolling Meadows,
Norrie Heights and Maple Hill.

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 4174 7428 4191 7430 4199 7389 4171 7391
TIME...MOT...LOC 0034Z 263DEG 20KT 4184 7416 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

KSL
479 
WWUS51 KALY 140059
SVSALY

Severe Weather Statement
National Weather Service Albany NY
859 PM EDT Fri Aug 13 2021

NYC027-111-140108-
/O.CAN.KALY.SV.W.0155.000000T0000Z-210814T0115Z/
Ulster NY-Dutchess NY-
859 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ULSTER AND
NORTHWESTERN DUTCHESS COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

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

Remember, a Severe Thunderstorm Warning still remains in effect for 
a portion of northern Dutchess County until 945 PM EDT.

LAT...LON 4174 7428 4191 7430 4199 7389 4171 7391
TIME...MOT...LOC 0056Z 263DEG 20KT 4186 7398 

$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:08 PM EDTSpecial Weather StatementALYColumbia52 min
Aug 13, 8:10 PM EDTSpecial Weather StatementALYRensselaer50 min
Aug 13, 8:20 PM EDTSpecial Weather StatementALYUlster40 min
Aug 13, 8:47 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess45 min
Aug 13, 8:50 PM EDTSpecial Weather StatementALYFulton40 min
Aug 13, 9:03 PM EDTSpecial Weather StatementALYColumbia42 min
Aug 14, 3:30 AM EDTSpecial Weather StatementALYHerkimer75 min
Aug 14, 4:37 AM EDTSpecial Weather StatementALYHamilton53 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.