Alert archive / New York / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 55, NWS Buffalo, NY

July 17, 2000Erie County, Genesee County, Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 17, 2000, 10:45 PM EDT for Erie County, Genesee County, Monroe County, New York. It was in force for 60 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
Jul 17, 2000, 10:45 PM EDT (02:45 UTC)
Expired
Jul 17, 2000, 11:45 PM EDT
In force
60 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Erie County, NY, Genesee County, NY, Monroe County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 2.8 hours before the alert went out and 41 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 2000-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 307 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2000-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
307 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1109 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 180247
SVRBUF
NYC029-037-055-180345-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1045 PM EDT MON JUL 17 2000

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST MONROE COUNTY IN WESTERN NEW YORK.
  NORTHERN ERIE COUNTY IN WESTERN NEW YORK.
  GENESEE COUNTY IN WESTERN NEW YORK.

* UNTIL 1145 PM EDT.

* AT 1045 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS EXTENDING FROM LOCKPORT IN NIAGARA COUNTY
  EAST ACROSS ORLEANS COUNTY TO NEAR HOLLEY...MOVING EAST SOUTHEAST
  AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  HARRIS HILL...WILLIAMSVILLE...CLARENCE CENTER AROUND 1050 PM EDT.
  AKRON...CHURCHVILLE AROUND 1100 PM EDT.
  BERGEN AROUND 1105 PM EDT.
  BATAVIA AROUND 1110 PM EDT.
  CORFU AROUND 1115 PM EDT.

THESE ARE DANGEROUS STORMS THAT HAVE A HISTORY OF PRODUCING GUSTY @
WINDS AND LARGE HAIL. STAY INDOORS AWAY FROM WINDOWS.

LEVAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 9:00 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans60 min
Jul 17, 10:02 PM EDTSevere Thunderstorm WarningBUFNiagara, Orleans58 min

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.