Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 70, NWS Albany, NY

June 30, 2021Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 30, 2021, 6:34 PM EDT for Dutchess County, Ulster County, New York. It was in force for 41 min. 8 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
Jun 30, 2021, 6:34 PM EDT (22:34 UTC)
Expired
Jun 30, 2021, 7:15 PM EDT
In force
41 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 109 km from the middle of the area, began a volume at 22:33 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
Jun 30, 6:45 PM EDTTSTM WND DMGMarlboro, NYTREES AND WIRES DOWN. TIME ESTIMATED BY RADAR.
Jun 30, 6:52 PM EDTTSTM WND DMG1 W Wappingers Falls, NYA SEVERE THUNDERSTORM PRODUCED MICROBURSTS NEAR WAPPINGERS FALLS. TWO MAIN AREAS OF DAMAGE WERE NOTED. THE FIRST WAS AT BOWDOIN PARK ALONG THE HUDSON RIVER WHERE NUMEROUS TREES WERE DOWNED. THE SECOND WAS NEAR MESIER PARK WHERE APPROXIMATELY 50 TREES WERE DOWN
Jun 30, 6:53 PM EDTTSTM WND DMGMarlboro, NYLARGE TREE LIMB DOWN ON BLOOM STREET IN MARLBORO
Jun 30, 6:58 PM EDTTSTM WND DMGWappingers Falls, NYLOCAL OFFICIALS ESTIMATED 50 TREES DOWN IN A PARK IN THE VICINITY OF SPRING STREET AND ROUTE 9D.
Jun 30, 6:58 PM EDTTSTM WND DMGWappingers Falls, NYTREES AND WIRES DOWN ON MILL STREET AND HIGH STREET
Jun 30, 7:02 PM EDTTSTM WND GST 58Hudson Valley Region, NY
Jun 30, 7:03 PM EDTTSTM WND DMG3 Wsw Red Oaks Mill, NYSOUTH ROAD AND ANTHONY DRIVE
Jun 30, 7:03 PM EDTTSTM WND DMG3 Wsw Red Oaks Mill, NYTREES AND WIRES DOWN ON SOUTH ROAD AND ANTHONY DRIVE

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
Jun 30, 3:21 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.6 hours before the alert went out and 120 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 113 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 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
113 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1162 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

793 
WUUS51 KALY 302234
SVRALY
NYC027-111-302315-
/O.NEW.KALY.SV.W.0070.210630T2234Z-210630T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
634 PM EDT Wed Jun 30 2021

The National Weather Service in Albany has issued a

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

* Until 715 PM EDT.

* At 634 PM EDT, a severe thunderstorm was located over Marlboro, or
  7 miles southwest of Poughkeepsie, moving east at 45 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Poughkeepsie, Wappingers Falls, Highland, Hopewell Junction,
  Marlboro, Red Oaks Mill, Myers Corner, Wingdale, Dover Plains,
  Beekman, Tuckers Corner, Knapps Corner, South Dover, Hoxie Corner,
  New Hamburg, Clove Valley, South Amenia, Poughquag, Billings and
  Pleasant Ridge.

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 4155 7398 4157 7396 4159 7395 4158 7405
      4159 7405 4160 7406 4168 7408 4181 7351
      4160 7353
TIME...MOT...LOC 2234Z 257DEG 41KT 4161 7399 

HAIL...0.75IN
WIND...60MPH
 
$$

KSL
1 follow-up statement
868 
WWUS51 KALY 302256
SVSALY

Severe Weather Statement
National Weather Service Albany NY
656 PM EDT Wed Jun 30 2021

NYC027-111-302315-
/O.CON.KALY.SV.W.0070.000000T0000Z-210630T2315Z/
Ulster NY-Dutchess NY-
656 PM EDT Wed Jun 30 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM EDT
FOR SOUTHEASTERN ULSTER AND SOUTHERN DUTCHESS COUNTIES...

At 656 PM EDT, a severe thunderstorm was located over Wappingers
Falls, or near Poughkeepsie, moving east at 25 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Poughkeepsie, Wappingers Falls, Highland, Hopewell Junction,
Marlboro, Red Oaks Mill, Myers Corner, Wingdale, Dover Plains,
Beekman, Tuckers Corner, Knapps Corner, South Dover, Hoxie Corner,
New Hamburg, Clove Valley, South Amenia, Poughquag, Billings and
Pleasant Ridge.

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 4155 7398 4157 7396 4159 7395 4158 7405
      4159 7405 4160 7406 4168 7408 4181 7351
      4160 7353
TIME...MOT...LOC 2256Z 262DEG 22KT 4160 7390 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 8:33 PM EDTSpecial Weather StatementALYColumbia27 min
Jun 29, 8:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 29, 9:29 PM EDTSpecial Weather StatementALYColumbia46 min
Jun 29, 10:53 PM EDTAreal Flood AdvisoryALYColumbia, Greene, Ulster3 hr
Jun 29, 11:05 PM EDTSevere Thunderstorm WarningALYColumbia, Greene, Ulster32 min
Jun 30, 11:14 AM EDTSpecial Weather StatementALYHamilton46 min
Jun 30, 11:59 AM EDTSpecial Weather StatementALYHamilton31 min
Jun 30, 12:50 PM EDTSpecial Weather StatementALYHerkimer25 min
Jun 30, 1:13 PM EDTSpecial Weather StatementALYWarren32 min
Jun 30, 1:16 PM EDTSpecial Weather StatementALYHamilton29 min
Jun 30, 1:22 PM EDTSevere Thunderstorm WarningALYHerkimer38 min
Jun 30, 1:41 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer49 min
Jun 30, 1:45 PM EDTSpecial Weather StatementALYFulton45 min
Jun 30, 2:18 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Saratoga, Schenectady, Warren42 min
Jun 30, 2:21 PM EDTSpecial Weather StatementALYSchenectady39 min
Jun 30, 2:41 PM EDTSpecial Weather StatementALYSchoharie34 min
Jun 30, 2:53 PM EDTSpecial Weather StatementALYColumbia37 min
Jun 30, 2:54 PM EDTSevere Thunderstorm WarningALYRensselaer, Saratoga, Schenectady, Washington36 min
Jun 30, 2:59 PM EDTSpecial Weather StatementALYMontgomery31 min
Jun 30, 3:00 PM EDTSpecial Weather StatementALYRensselaer30 min
Jun 30, 3:24 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington30 min
Jun 30, 3:25 PM EDTAreal Flood AdvisoryALYRensselaer44 min
Jun 30, 3:31 PM EDTSpecial Weather StatementALYRensselaer29 min
Jun 30, 3:35 PM EDTAreal Flood AdvisoryALYRensselaer55 min
Jun 30, 3:35 PM EDTSevere Thunderstorm WarningALYColumbia40 min
Jun 30, 4:01 PM EDTSevere Thunderstorm WarningALYRensselaer27 min
Jun 30, 4:36 PM EDTSpecial Weather StatementALYSchoharie24 min
Jun 30, 4:47 PM EDTSevere Thunderstorm WarningALYAlbany, Schoharie43 min
Jun 30, 5:31 PM EDTSpecial Weather StatementALYColumbia44 min
Jun 30, 5:34 PM EDTSevere Thunderstorm WarningALYColumbia56 min
Jun 30, 5:43 PM EDTSpecial Weather StatementALYUlster47 min
Jun 30, 5:45 PM EDTSpecial Weather StatementALYColumbia30 min
Jun 30, 5:49 PM EDTAreal Flood AdvisoryALYColumbia80 min
Jun 30, 5:58 PM EDTFlash Flood WarningALYColumbia3 hr
Jun 30, 6:12 PM EDTSevere Thunderstorm WarningALYDutchess48 min
Jun 30, 6:32 PM EDTSevere Thunderstorm WarningALYUlster28 min
Jun 30, 6:58 PM EDTAreal Flood AdvisoryALYDutchess, Ulster107 min
Jun 30, 7:08 PM EDTSevere Thunderstorm WarningALYDutchess67 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.