Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 3, NWS Albany, NY

April 21, 2021Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Apr 21, 2021, 2:04 PM EDT for Dutchess County, Ulster County, New York. It was in force for 41 min. 6 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: Apr 21, 2021, 2:04 PM EDT (18:04 UTC)
Expired: Apr 21, 2021, 2:45 PM EDT
In force: 41 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), 110 km from the middle of the area, began a volume at 18:03 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

Time	Report	Where	Remark
Apr 21, 2:09 PM EDT	TSTM WND DMG	1 Wsw Clintondale, NY	A TREE WAS DOWNED ONTO WIRES ON ROUTE 44
Apr 21, 2:20 PM EDT	FUNNEL CLOUD	Lagrange, NY	NO DAMAGE AND WIND GUSTS AROUND 30 MPH.
Apr 21, 2:25 PM EDT	TSTM WND DMG	2 Ssw Beekman, NY	TREES DOWN.
Apr 21, 2:45 PM EDT	TSTM WND DMG	3 Nnw Wingdale, NY	TREES DOWN SOUTH OF DOVER PLAINS HIGH SCHOOL.
Apr 21, 2:45 PM EDT	HAIL 0.88	3 Nnw Wingdale, NY	JUST SOUTH OF DOVER PLAINS HIGH SCHOOL.
Apr 21, 2:49 PM EDT	TORNADO	Amenia, NY	EF-1 TORNADO WAS CONFIRMED IN THE TOWN OF AMENIA, NY. MAX WINDS OF 100 MPH.

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.

Issued	Product	Office	Lasted
Apr 21, 12:28 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.1 hours before the alert went out and 122 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 814 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 298 m²/s²
0-3 km storm-relative helicity: 352 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

497 
WUUS51 KALY 211804
SVRALY
NYC027-111-211845-
/O.NEW.KALY.SV.W.0003.210421T1804Z-210421T1845Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
204 PM EDT Wed Apr 21 2021

The National Weather Service in Albany has issued a

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

* Until 245 PM EDT.

* At 203 PM EDT, a severe thunderstorm was located near Gardnertown,
  or near Newburgh, moving northeast at 40 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...
  Poughkeepsie, Beacon, New Paltz, Rhinebeck, Pawling, Wallkill, Hyde
  Park, Milton, Plattekill, Pleasant Valley, Wappingers Falls,
  Amenia, Highland, Fishkill, Millbrook, Modena, Stanfordville,
  Fairview, Hopewell Junction and Marlboro.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail, damaging winds and frequent 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.

&&

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 4145 7400 4152 7400 4159 7396 4158 7405
      4160 7407 4160 7409 4162 7413 4158 7413
      4158 7414 4161 7425 4163 7425 4201 7385
      4193 7351 4153 7353 4149 7393 4144 7398
TIME...MOT...LOC 1803Z 223DEG 36KT 4158 7405 

HAIL...1.00IN
WIND...60MPH
 
$$

Frugis

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 20, 9:54 PM EDT	Winter Weather Advisory	ALY	Hamilton, Herkimer	18 hr
Apr 21, 1:02 PM EDT	Special Weather Statement	ALY	Ulster	43 min
Apr 21, 1:57 PM EDT	Special Weather Statement	ALY	Dutchess	33 min
Apr 21, 2:20 PM EDT	Special Weather Statement	ALY	Fulton, Montgomery, Schoharie	55 min
Apr 21, 2:41 PM EDT	Severe Thunderstorm Warning	ALY	Dutchess	64 min
Apr 21, 2:47 PM EDT	Tornado Warning	ALY	Dutchess	28 min

Nearby

Severe Thunderstorm Warnings in New York, 2021 Every 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.