Alert archive / New York / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 21, NWS Albany, NY

May 15, 2020Dutchess County, Ulster County, New York

NWS Albany, NY issued this severe thunderstorm warning at May 15, 2020, 7:09 PM EDT for Dutchess County, Ulster County, New York. It was in force for 51 min. 4 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
May 15, 2020, 7:09 PM EDT (23:09 UTC)
Expired
May 15, 2020, 8:00 PM EDT
In force
51 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 82 km from the middle of the area, began a volume at 23:09 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
May 15, 7:26 PM EDTTSTM WND DMG1 Sse Lomontville, NYA NATIONAL WEATHER SERVICE STORM SURVEY DETERMINED A MICROBURST IMPACTED MARCOTTE ROAD IN COTTEKILL, NY ON MAY 15, 2020. ESTIMATED WINDSD OF 85MPH OVER A SMALL AREA RESULTED IN SEVERAL UPROOTED AND SNAPPED HARDWOOD AND SOFTWOOD TREES.
May 15, 7:30 PM EDTTSTM WND DMG2 N Stone Ridge, NYTREE AND WIRES DOWN ON ATWOOD ROAD IN STONE RIDGE..CORRECTED EVENT TIME
May 15, 7:33 PM EDTTSTM WND DMG1 N Rosendale Village, NYTREE AND WIRES DOWN ON BINNEWATER RD. TIME ESTIMATED BY RADAR.
May 15, 7:55 PM EDTTSTM WND DMG5 Sw Stanfordville, NYTREES DOWN BLOCKING 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
May 15, 3:32 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 11.2 hours before the alert went out and 96 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 2020-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2020-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 136 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
136 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

592 
WUUS51 KALY 152309
SVRALY
NYC027-111-160000-
/O.NEW.KALY.SV.W.0021.200515T2309Z-200516T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
709 PM EDT Fri May 15 2020

The National Weather Service in Albany has issued a

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

* Until 800 PM EDT.

* At 709 PM EDT, a severe thunderstorm was located near West Shokan,
  or 13 miles north of Ellenville, 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...
  Kingston, Rhinebeck, Hyde Park, Pleasant Valley, Hurley, Amenia,
  Millbrook, Stanfordville, Tillson, Port Ewen, Staatsburg, Dover
  Plains, Olivebridge, Kerhonkson, Esopus, Rosendale, Marbletown,
  Milan, Smithfield and Cherrytown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for east central
New York.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

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

&&

A Tornado Watch remains in effect until 1000 PM EDT for east central
New York.

LAT...LON 4180 7442 4196 7441 4195 7351 4172 7353
TIME...MOT...LOC 2309Z 273DEG 37KT 4190 7432 

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

NAS
1 follow-up statement
816 
WWUS51 KALY 152339 RRA
SVSALY

Severe Weather Statement
National Weather Service Albany NY
739 PM EDT Fri May 15 2020

NYC111-152348-
/O.CAN.KALY.SV.W.0021.000000T0000Z-200516T0000Z/
Ulster NY-
739 PM EDT Fri May 15 2020

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL ULSTER COUNTY IS
CANCELLED...
    
There is a Tornado Warning in effect until 745 PM.

A Tornado Watch remains in effect until 1000 PM EDT for east central
New York.

LAT...LON 4176 7394 4177 7395 4195 7393 4195 7351
      4172 7353
TIME...MOT...LOC 2338Z 273DEG 37KT 4188 7392 

$$

NYC027-160000-
/O.CON.KALY.SV.W.0021.000000T0000Z-200516T0000Z/
Dutchess NY-
739 PM EDT Fri May 15 2020

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR CENTRAL DUTCHESS COUNTY...

At 738 PM EDT, a severe thunderstorm was located over Staatsburg, or
near Rhinebeck, 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...
Rhinebeck, Hyde Park, Pleasant Valley, Amenia, Millbrook, Dover
Plains, Stanfordville, Staatsburg, Smithfield, Salt Point, Norrie
Heights, Dutchess County Fairgrounds, Lithgow, Dewitt Mills,
Millbrook Heights, Haviland, Attlebury, South Amenia, Shunpike and
Pleasant Plains.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM EDT for east central
New York.

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 4176 7394 4177 7395 4195 7393 4195 7351
      4172 7353
TIME...MOT...LOC 2338Z 273DEG 37KT 4188 7392 

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

NAS

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:48 PM EDTSpecial Weather StatementALYLewis27 min
May 15, 4:06 PM EDTSpecial Weather StatementALYHerkimer39 min
May 15, 4:26 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Herkimer64 min
May 15, 4:46 PM EDTTornado WarningALYHamilton, Herkimer23 min
May 15, 4:58 PM EDTTornado WarningALYFulton, Hamilton, Herkimer21 min
May 15, 5:11 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Saratoga51 min
May 15, 5:42 PM EDTSevere Thunderstorm WarningALYFulton, Montgomery, Rensselaer, Saratoga, Schenectady, Warren and 1 more48 min
May 15, 5:48 PM EDTSevere Thunderstorm WarningALYAlbany, Montgomery, Schenectady, Schoharie42 min
May 15, 6:09 PM EDTSpecial Weather StatementALYDutchess36 min
May 15, 6:16 PM EDTTornado WarningALYWashington29 min
May 15, 6:20 PM EDTSevere Thunderstorm WarningALYAlbany, Greene, Schoharie, Ulster25 min
May 15, 6:22 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Greene, Rensselaer, Saratoga, Schenectady38 min
May 15, 6:26 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington49 min
May 15, 6:42 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster33 min
May 15, 6:59 PM EDTSevere Thunderstorm WarningALYColumbia, Rensselaer31 min
May 15, 7:04 PM EDTSpecial Weather StatementALYDutchess, Ulster41 min
May 15, 7:13 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess47 min
May 15, 7:21 PM EDTTornado WarningALYUlster24 min
May 15, 7:59 PM EDTSevere Thunderstorm WarningALYDutchess61 min

Nearby

Severe Thunderstorm Warnings in New York, 2020Every severe thunderstorm warning in 2020

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.