Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 33, NWS Buffalo, NY

May 13, 2000Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 13, 2000, 12:52 AM EDT for Niagara County, New York. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 13, 2000, 12:52 AM EDT (04:52 UTC)
Expired: May 13, 2000, 1:30 AM EDT
In force: 38 min
Issued by: NWS Buffalo, NY
Area: Whole counties

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 04:55 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.

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 12, 11:30 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.9 hours before the alert went out and 27 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: 1267 J/kg
Mixed-layer CIN: -78 J/kg
Mixed-layer LCL: 854 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 173 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

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

356 
WUUS51 KBUF 130454
SVRBUF
NYC063-130530-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1252 AM EDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NIAGARA COUNTY IN WESTERN NEW YORK.
 
* UNTIL 130 AM EDT.

* AT 1245 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  ANOTHER LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDING FROM      
  NIAGARA-ON-THE-LAKE TO WELLAND ONTARIO...MOVING SOUTHEAST AT 30    
  MPH. 

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  LEWISTON BY 100 AM EDT.
  NIAGARA FALLS BY 115 AM EDT.
  LOCKPORT BY 125 AM EDT.

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

MCLAUGHLIN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 12, 10:44 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	61 min
May 12, 11:08 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	67 min
May 12, 11:41 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Monroe	64 min
May 13, 12:26 AM EDT	Severe Thunderstorm Warning	BUF	Wayne	64 min
May 13, 12:26 AM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Wyoming	64 min
May 13, 12:45 AM EDT	Severe Thunderstorm Warning	BUF	Monroe	30 min
May 13, 1:00 AM EDT	Severe Thunderstorm Warning	BUF	Ontario	60 min
May 13, 12:25 PM EDT	Flash Flood Warning	BUF	Monroe, Wayne	7 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.