Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 32, NWS Buffalo, NY

May 13, 2000Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 13, 2000, 12:45 AM EDT for Monroe 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 counties it named.

The facts

Issued
May 13, 2000, 12:45 AM EDT (04:45 UTC)
Expired
May 13, 2000, 1:15 AM EDT
In force
30 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 04:49 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.

IssuedProductOfficeLasted
May 12, 11:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 4.8 hours before the alert went out and 90 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.

310 
WUUS51 KBUF 130449
SVRBUF
NYC055-130515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1245 AM EDT SAT MAY 13 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 115 AM EDT.

* AT 1237 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM ALONG A LINE EXTENDING ACROSS CENTRAL MONROE
  COUNTY...MOVING SOUTHEAST AT 35 MPH.


* SEVERE THUNDERSTORMS WILL BE NEAR...
  HENRIETTA AROUND 1255 AM EDT.
  PITTSFORD AROUND 110 AM EDT.
  EAST ROCHESTER...FAIRPORT AROUND 115 AM EDT.

THIS ARE DANGEROUS STORMS. STAY INDOORS AWAY FROM WINDOWS.

*** LEVAN ***

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 10:44 PM EDTSevere Thunderstorm WarningBUFNiagara61 min
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, 12:52 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.