Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 26, NWS Buffalo, NY

May 12, 2000Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 12, 2000, 10:44 PM EDT for Niagara County, New York. It was in force for 61 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 12, 2000, 10:44 PM EDT (02:44 UTC)
Expired
May 12, 2000, 11:45 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), 41 km from the middle of the area, began a volume at 02:46 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

TimeReportWhereRemark
May 12, 11:50 PM EDTThunderstorm WindMedina, 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 00:00Z, 2.7 hours before the alert went out and 43 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 00:00Z on 2000-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1267 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 00:00Z on 2000-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 173 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

898 
WUUS51 KBUF 130246
SVRBUF
NYC063-130345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1044 PM EDT FRI MAY 12 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 1145 PM EDT.

* AT 1035 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR NIAGARA-ON-THE-LAKE. MOVING EAST AT 40    
  MILES PER HOUR. WINDS OF 75 MPH HAVE BEEN REPORTED.

* THE STORM WILL BE NEAR WILSON BY 11 PM AND BARKER BY 1120 PM.


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

MCLAUGHLIN

LAT...LON 4338 7917 4325 7899 4312 7815 4347 7819

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 11:08 PM EDTSevere Thunderstorm WarningBUFOrleans67 min
May 12, 11:41 PM EDTSevere Thunderstorm WarningBUFErie, Genesee, Monroe64 min
May 13, 12:26 AM EDTSevere Thunderstorm WarningBUFWayne64 min
May 13, 12:26 AM EDTSevere Thunderstorm WarningBUFGenesee, Livingston, Wyoming64 min
May 13, 12:45 AM EDTSevere Thunderstorm WarningBUFMonroe30 min
May 13, 12:52 AM EDTSevere Thunderstorm WarningBUFNiagara38 min
May 13, 1:00 AM EDTSevere Thunderstorm WarningBUFOntario60 min
May 13, 12:25 PM EDTFlash Flood WarningBUFMonroe, Wayne7 hr

Nearby

Severe Thunderstorm Warnings in New York, 2000Every 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.