Alert archive / New York / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 21, NWS Albany, NY

May 15, 2018Dutchess County, Ulster County, New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at May 15, 2018, 3:34 PM EDT for Dutchess County, Ulster County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 56 min. 11 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, 2018, 3:34 PM EDT (19:34 UTC)
Expired
May 15, 2018, 4:30 PM EDT
In force
56 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Tornado
Possible
Hail
2.0 in
Wind
60.0 mph

Counties Northwest Hills Planning Region, CT, Dutchess County, NY, Ulster County, NY

The radar

The Albany radar (KENX), 99 km from the middle of the area, began a volume at 19:34 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, 3:34 PM EDTTSTM WND DMG2 S Norfolk, CTWIRES DOWN ON WINCHESTER ROAD
May 15, 3:36 PM EDTTSTM WND DMG2 W Falls Village, CTTREE AND WIRES DOWN ON SALMON KILL ROAD
May 15, 3:41 PM EDTHAIL 13 Ene Rosendale Village, NY
May 15, 3:41 PM EDTHAIL 1.75Falls Village, CT
May 15, 3:41 PM EDTHAIL 2Falls Village, CT
May 15, 3:44 PM EDTTORNADOWinsted, CTEF1 TORNADO CONFIRMED IN WINSTED, CT. MAXIMUM ESTIMATED WIND WAS 95 MPH.
May 15, 3:45 PM EDTTSTM WND DMGWinsted, CTTREE DOWN ACROSS NORTH MAIN STREET
May 15, 3:52 PM EDTTORNADO4 Nne New Hartford, CTEFU TORNADO. PREVIOUSLY CONFIRMED FROM DAMAGE SURVEY.
May 15, 3:57 PM EDTHAIL 1.56 Nne New Hartford, CTGOLF BALL SIZE HAIL COVERING THE GROUND IN BARKHAMSTED
May 15, 4:00 PM EDTTSTM WND DMGWinsted, CTTREES DOWN. ONE DOWN ON A CAR.
May 15, 4:00 PM EDTNON-TSTM WND DMGWinsted, CTTREES DOWN. ONE DOWN ON A CAR.

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, 1:03 PM EDTTornado WatchSPC4 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.6 hours before the alert went out and 99 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 2018-05-15Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2018-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
932 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
259 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

500 
WUUS51 KALY 151934
SVRALY
CTC005-NYC027-111-152030-
/O.NEW.KALY.SV.W.0021.180515T1934Z-180515T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
334 PM EDT TUE MAY 15 2018

The National Weather Service in Albany has issued a

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

* Until 430 PM EDT.

* At 334 PM EDT, a severe thunderstorm was located over Tillson, or
  near Kingston, moving east at 50 mph.

  HAZARD...Two inch hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Rhinebeck, Hyde Park and Staatsburg around 340 PM EDT.
  Pleasant Valley around 345 PM EDT.
  Millbrook and Stanfordville around 355 PM EDT.
  Dover Plains around 400 PM EDT.
  Amenia and Millerton around 405 PM EDT.
  Sharon around 410 PM EDT.
  Cornwall Bridge and Falls Village around 415 PM EDT.
  Torrington, New Hartford, Winsted and Northwest Harwinton around 
  430 PM EDT.

Other locations impacted by this severe thunderstorm include Norrie
Heights, South Canaan, Maple Hill, Atwood, Lithgow, Hoxie Corner,
Elting Corners, Wrightville, Salisbury and South Amenia.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 800 PM EDT for northern
Connecticut...and east central New York.

LAT...LON 4175 7417 4201 7416 4201 7372 4198 7353
      4201 7352 4201 7302 4197 7303 4197 7290
      4190 7291 4189 7294 4181 7295 4180 7302
      4164 7298 4162 7302
TIME...MOT...LOC 1934Z 268DEG 45KT 4186 7404 

TORNADO...POSSIBLE
HAIL...2.00IN
WIND...60MPH
 
$$

DBT

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 9:58 AM EDTSpecial Weather StatementALYAlbany, Greene, Schoharie47 min
May 15, 10:44 AM EDTSpecial Weather StatementALYColumbia, Greene, Rensselaer61 min
May 15, 1:30 PM EDTSpecial Weather StatementALYGreene30 min
May 15, 1:55 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster50 min
May 15, 2:20 PM EDTSevere Thunderstorm WarningALYGreene, Ulster40 min
May 15, 2:31 PM EDTTornado WarningALYColumbia, Dutchess, Ulster29 min
May 15, 2:48 PM EDTTornado WarningALYUlster42 min
May 15, 2:53 PM EDTSevere Thunderstorm WarningALYColumbia, Rensselaer53 min
May 15, 2:57 PM EDTTornado WarningALYColumbia, Dutchess33 min
May 15, 2:58 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Ulster62 min
May 15, 3:07 PM EDTSevere Thunderstorm WarningALYUlster38 min
May 15, 3:42 PM EDTSevere Thunderstorm WarningALYUlster48 min
May 15, 3:51 PM EDTTornado WarningALYUlster24 min
May 15, 4:15 PM EDTTornado WarningALYDutchess, Ulster30 min
May 15, 3:38 PM EDTTornado WarningALYNorthwest Hills Planning Region22 min
May 15, 4:28 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region32 min
May 15, 4:48 PM EDTTornado WarningALYNorthwest Hills Planning Region19 min
May 15, 4:58 PM EDTSevere Thunderstorm WarningALYNorthwest Hills Planning Region17 min

Nearby

Severe Thunderstorm Warnings in New York, 2018Severe Thunderstorm Warnings in Connecticut, 2018Every severe thunderstorm warning in 2018

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.