Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 69, NWS Buffalo, NY

August 15, 2000Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 15, 2000, 11:29 PM EDT for Jefferson County, New York. It was in force for 61 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 15, 2000, 11:29 PM EDT (03:29 UTC)
Expired
Aug 16, 2000, 12:30 AM EDT
In force
61 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 03:29 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
Aug 16, 12:10 AM EDTThunderstorm WindCape Vincent, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 15, 10:00 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 3.5 hours before the alert went out and 231 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 00:00Z on 2000-08-16Temperature 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 00:00Z on 2000-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.1939Sfc1 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
1205 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KBUF 160328
SVRBUF
NYC045-160430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1129 PM EDT TUE AUG 15 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY IN CENTRAL NEW YORK.

* UNTIL 1230 AM EDT.

* AT 1118 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS OVER ONTARIO PROVINCE APPROACHING THE 
  UPPER ST LAWRENCE RIVER AND THOUSAND ISLAND REGEION. THE STORMS    
  WERE MOVING EAST SOUTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  CAPE VINCENT AROUND 1140 PM EDT.
  CLAYTON AROUND 1150 PM EDT.
  CHAUMONT AROUN-D MIDNIGHT EDT.
  DEXTER...SACKETS HARBOR AROUND 1215 AM EDT.
  CALCIUM...EVANS MILLS AROUND 1225 AM EDT.
  BLACK RIVER...DEFERIET AROUND 1230 AM EDT.

THESE ARE DANGEROUS STORMS. STAY INDOORS AWAY FROM WINDOWS.

SAGE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 12:30 AM EDTSevere Thunderstorm WarningBUFJefferson, Lewis60 min
Aug 16, 12:32 AM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua28 min

Nearby

Severe Thunderstorm Warnings in New York, 2000Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.