Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 14, NWS Buffalo, NY

May 10, 2000Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 10, 2000, 12:34 AM EDT for Erie County, Niagara County, New York. It was in force for 56 min. 2 reports 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: May 10, 2000, 12:34 AM EDT (04:34 UTC)
Expired: May 10, 2000, 1:30 AM EDT
In force: 56 min
Issued by: NWS Buffalo, NY
Area: Whole counties

Counties Erie County, NY, Niagara County, NY

The radar

The Buffalo radar (KBUF), 2 km from the middle of the area, began a volume at 04:36 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, 12:45 AM EDT	Thunderstorm Wind	North Tonawanda, NY
May 10, 12:55 AM EDT	Thunderstorm Wind	East Amherst, 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, 12:00 AM EDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.6 hours before the alert went out and 5 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: 838 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1173 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 100438
SVRBUF
NYC029-063-100530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1234 AM EDT WED MAY 10 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NIAGARA COUNTY IN WESTERN NEW YORK.
  ERIE COUNTY IN WESTERN NEW YORK.

* UNTIL 130 AM EDT.

* AT 1224 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS THAT EXTENDED FROM HAMILTON ONTARIO   
  SOUTH ACROSS LAKE ERIE TO ERIE PENNSYLVANIA. THE STORMS WERE       
  MOVING NORTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BUFFALO AND KENMORE AROUND 1255 AM EDT.
  NIAGARA FALLS CHEEKTOWAGA AND WILLIAMSVILLE AROUND 100 AM EDT.
  LOCKPORT AND CLARENCE AROUND 110 AM EDT.
  AKRON AROUND 120 AM EDT.

THESE STORMS HAVE A HISTORY OF PRODUCING WIND GUSTS IN EXCESS OF 60 
MPH. PLEASE TAKE SHELTER IMMEDIATELY. STAY AWAY FROM WINDOWS.

NIZIOL

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, 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, 11:26 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson	49 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.