Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 21, NWS Buffalo, NY

May 10, 2000Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 10, 2000, 11:26 AM EDT for Jefferson County, New York. It was in force for 49 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: May 10, 2000, 11:26 AM EDT (15:26 UTC)
Expired: May 10, 2000, 12:15 PM EDT
In force: 49 min
Issued by: NWS Buffalo, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 35 km from the middle of the area, began a volume at 15:29 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

Time	Report	Where	Remark
May 10, 12:00 PM EDT	Thunderstorm Wind	Deferiet, 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.

Issued	Product	Office	Lasted
May 10, 10:45 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.4 hours before the alert went out and 253 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1 J/kg
Mixed-layer CIN: -156 J/kg
Mixed-layer LCL: 1131 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: -97 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 101527
SVRBUF
NYC045-101615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1126 AM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1215 PM EDT.

* AT 1121 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES SOUTHWEST OF WATERTOWN...OR ABOUT 4
  MILES WEST OF ADAMS...MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DEXTER AROUND 1135 AM EDT.
  WATERTOWN AROUND 1140 AM EDT.
  BLACK RIVER AROUND 1145 AM EDT.
  EVANS MILLS AROUND 1150 AM EDT.
  THERESA AROUND NOON EDT.
  ANTWERP AROUND 1205 PM EDT.

THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.

PACE

LAT...LON 4388 7625 4375 7601 4419 7546 4433 7572

The office that day

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

Issued	Product	Office	Counties	Lasted
May 9, 8:33 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	27 min
May 10, 12:34 AM EDT	Severe Thunderstorm Warning	BUF	Erie, Niagara	56 min
May 10, 6:39 AM EDT	Severe Thunderstorm Warning	BUF	Allegany	36 min
May 10, 7:16 AM EDT	Severe Thunderstorm Warning	BUF	Allegany	14 min
May 10, 8:45 AM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	30 min
May 10, 9:01 AM EDT	Severe Thunderstorm Warning	BUF	Cayuga	44 min
May 10, 9:23 AM EDT	Severe Thunderstorm Warning	BUF	Oswego	67 min
May 10, 10:10 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	65 min
May 10, 11:50 AM EDT	Severe Thunderstorm Warning	BUF	Allegany	55 min
May 10, 12:13 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	47 min
May 10, 12:19 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	41 min
May 10, 12:28 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	62 min
May 10, 1:20 PM EDT	Flash Flood Warning	BUF	Lewis	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2000 Every 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.