Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 17, NWS Buffalo, NY

May 10, 2000Ontario County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 10, 2000, 8:45 AM EDT for Ontario County, Wayne County, New York. It was in force for 30 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, 8:45 AM EDT (12:45 UTC)
Expired: May 10, 2000, 9:15 AM EDT
In force: 30 min
Issued by: NWS Buffalo, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Ontario County, NY, Wayne County, NY

The radar

The Binghamton radar (KBGM), 114 km from the middle of the area, began a volume at 12:44 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, 8:50 AM EDT	Hail 1	Geneva, 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 0.8 hours before the alert went out and 143 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 101246
SVRBUF
NYC069-117-101315-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK.
  NORTHEASTERN ONTARIO COUNTY IN WESTERN NEW YORK.

* UNTIL 915 AM EDT.

* AT 835 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF GENEVA...MOVING NORTHEAST
  AT 40 MPH.

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

*** NAME ***

LAT...LON 4289 7712 4276 7696 4306 7671 4312 7681

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, 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.