Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 156, NWS Albany, NY

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

NWS Albany, NY issued this severe thunderstorm warning at Aug 13, 2021, 8:47 PM EDT for Columbia County, Dutchess County, New York. It was in force for 45 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
Aug 13, 2021, 8:47 PM EDT (00:47 UTC)
Expired
Aug 13, 2021, 9:32 PM EDT
In force
45 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Columbia County, NY, Dutchess County, NY

The radar

The Albany radar (KENX), 79 km from the middle of the area, began a volume at 00:46 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
Aug 13, 3:29 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 0.8 hours before the alert went out and 142 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.

709 
WUUS51 KALY 140047
SVRALY
NYC021-027-140145-
/O.NEW.KALY.SV.W.0156.210814T0047Z-210814T0145Z/

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

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northern Dutchess County in east central New York...
  South central Columbia County in east central New York...

* Until 945 PM EDT.

* At 847 PM EDT, a severe thunderstorm was located over Staatsburg,
  or near Rhinebeck, moving east at 15 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...
  Rhinebeck, Amenia, Pine Plains, Stanfordville, Staatsburg, Bethel,
  Milan, Smithfield, Ellerslie, Pachin Mills, Ancramdale, Norrie
  Heights, Dutchess County Fairgrounds, Lithgow, Rhinecliff, Dewitt
  Mills, Attlebury, Shunpike, Pleasant Plains and Shekomeko.

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 4183 7395 4185 7395 4186 7394 4187 7394
      4190 7396 4192 7396 4193 7395 4196 7395
      4204 7357 4179 7355
TIME...MOT...LOC 0047Z 261DEG 12KT 4188 7393 

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

$$

KSL
1 follow-up statement
370 
WWUS51 KALY 140132
SVSALY

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

NYC021-027-140142-
/O.CAN.KALY.SV.W.0156.000000T0000Z-210814T0145Z/
Dutchess NY-Columbia NY-
932 PM EDT Fri Aug 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DUTCHESS AND SOUTH
CENTRAL COLUMBIA 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.

LAT...LON 4183 7395 4185 7395 4186 7394 4187 7394
      4190 7396 4192 7396 4193 7395 4196 7395
      4204 7357 4179 7355
TIME...MOT...LOC 0130Z 261DEG 12KT 4190 7373 

$$

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, 8:12 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster47 min
Aug 13, 8:20 PM EDTSpecial Weather StatementALYUlster40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.