Alert archive / New York / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 16, NWS Buffalo, NY

July 1, 2001Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 1, 2001, 11:45 AM EDT for Wayne County, New York. It was in force for 30 min. No storm report in the archive falls 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.

The facts

Issued: Jul 1, 2001, 11:45 AM EDT (15:45 UTC)
Expired: Jul 1, 2001, 12:15 PM EDT
In force: 30 min
Issued by: NWS Buffalo, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Wayne County, NY

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 1, 8:15 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.8 hours before the alert went out and 133 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: 1768 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 563 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 8.3

Open this sounding in Storm Lab

The text

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

119 
WUUS51 KBUF 011545
SVRBUF
NYC117-011615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1145 AM EDT SUN JUL 1 2001

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 1215 PM EDT

* AT 1134 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF ONTARIO...OR ABOUT 3 MILES
  WEST OF WEBSTER...MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER WILLIAMSON...6 MILES NORTH OF MARION AT 1150 AM EDT
  OVER SODUS AT 1155 AM EDT

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS AND LARGE HAIL. STAY
INDOORS AWAY FROM WINDOWS.

LAT...LON 4330 7740 4311 7737 4314 7670 4338 7674

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 9:38 AM EDT	Severe Thunderstorm Warning	BUF	Oswego	37 min
Jul 1, 9:49 AM EDT	Severe Thunderstorm Warning	BUF	Jefferson	41 min
Jul 1, 11:06 AM EDT	Severe Thunderstorm Warning	BUF	Monroe, Orleans	39 min
Jul 1, 12:11 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	49 min
Jul 1, 12:48 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	42 min

Nearby

Severe Thunderstorm Warnings in New York, 2001 Every severe thunderstorm warning in 2001

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.