Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 57, NWS Buffalo, NY

July 28, 2000Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 28, 2000, 3:29 PM EDT for Niagara County, New York. It was in force for 61 min. 2 reports 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: Jul 28, 2000, 3:29 PM EDT (19:29 UTC)
Expired: Jul 28, 2000, 4:30 PM EDT
In force: 61 min
Issued by: NWS Buffalo, NY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 33 km from the middle of the area, began a volume at 19:33 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
Jul 28, 3:45 PM EDT	Thunderstorm Wind	Niagara Falls, NY
Jul 28, 3:45 PM EDT	Hail 0.75	Niagara Falls, 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, 7.5 hours before the alert went out and 37 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: 59 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 1601 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 41 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.

537 
WUUS51 KBUF 281932
SVRBUF
NYC063-282030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
329 PM EDT FRI JUL 28 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 430 PM EDT.

* AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM OVER NORTH TONAWANDA IN NIAGARA              
  COUNTY...MOVING NORTHWEST AT 20 MPH. LARGE HAIL IS POSSIBLE WITH   
  THIS STORM.

* THE SEVERE THUNDERSTORM WILL REACH...
  NIAGARA FALLS BY 345 PM EDT.
  LEWISTON BY 400 PM.
  THE LOWER NIAGARA RIVER THROUGH 430 PM.

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

MCLAUGHLIN

LAT...LON 4308 7920 4306 7870 4335 7856 4323 7947

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 2:08 PM EDT	Flash Flood Warning	BUF	Erie, Wyoming	112 min

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.