Alert archive / New York / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 822

December 17, 20005 states

The Storm Prediction Center issued this severe thunderstorm watch at Dec 17, 2000, 12:00 PM EST for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Dec 17, 2000, 12:00 PM EST (17:00 UTC)
Expired
Dec 17, 2000, 5:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 44 counties

Berkshire County, MA, Bristol County, MA, Dukes County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Rockingham County, NH, Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Passaic County, NJ, Somerset County, NJ, Sussex County, NJ, Union County, NJ, Bronx County, NY, Columbia County, NY, Dutchess County, NY, Greene County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Orange County, NY, Putnam County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Suffolk County, NY, Ulster County, NY, Westchester County, NY, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Dec 17, 12:30 PM ESTSevere Thunderstorm WarningOKXPutnam, Westchester40 min
Dec 17, 12:30 PM ESTSevere Thunderstorm WarningOKXRockland40 min
Dec 17, 12:32 PM ESTSevere Thunderstorm WarningOKXQueens28 min
Dec 17, 12:49 PM ESTSevere Thunderstorm WarningPHIMonmouth26 min
Dec 17, 1:26 PM ESTSevere Thunderstorm WarningOKXNassau, Suffolk34 min
Dec 17, 2:53 PM ESTSevere Thunderstorm WarningOKXSuffolk27 min
Dec 17, 3:00 PM ESTFlash Flood WarningOKXBergen, Essex, Passaic, Union3 hr
Dec 17, 3:55 PM ESTFlash Flood WarningALYBerkshire3 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.0 hours before the alert went out and 95 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 12:00Z on 2000-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 313 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2000-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 582 square meters per square second.1939587897117136Sfc1 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
313 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
453 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
582 m²/s²
0-3 km storm-relative helicity
603 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 17, 2:15 AM ESTTornado WatchSPCAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more5 hr
Dec 17, 7:00 AM ESTTornado WatchSPCAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 2 more5 hr

Nearby

Severe Thunderstorm Watches in New York, 2000Severe Thunderstorm Watches in Massachusetts, 2000Severe Thunderstorm Watches in New Jersey, 2000Every severe thunderstorm watch in 2000

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.