Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 32, NWS Buffalo, NY

June 26, 2002Allegany County, Livingston County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 26, 2002, 4:50 PM EDT for Allegany County, Livingston County, New York. It was in force for 40 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
Jun 26, 2002, 4:50 PM EDT (20:50 UTC)
Expired
Jun 26, 2002, 5:30 PM EDT
In force
40 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Allegany County, NY, Livingston County, NY

The radar

The Buffalo radar (KBUF), 85 km from the middle of the area, began a volume at 20:54 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 nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.8 hours before the alert went out and 81 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 12:00Z on 2002-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 780 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 12:00Z on 2002-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
780 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1163 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 262050
SVRBUF
NYC003-051-262130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
450 PM EDT WED JUN 26 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALLEGANY COUNTY IN WESTERN NEW YORK
  LIVINGSTON COUNTY IN WESTERN NEW YORK

* UNTIL 530 PM EDT

* AT 439 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HOUGHTON...OR ABOUT 25 MILES WEST OF
  DANSVILLE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GROVELAND AT 515 PM EDT...
  DANSVILLE AT 525 PM EDT...

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS. STAY INDOORS AWAY FROM
WINDOWS. HEAVY RAIN MAY CAUSE FLOODING.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR WESTERN NEW YORK.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:06 PM EDTSevere Thunderstorm WarningBUFAllegany24 min
Jun 26, 1:32 PM EDTSevere Thunderstorm WarningBUFGenesee, Monroe58 min
Jun 26, 2:27 PM EDTSevere Thunderstorm WarningBUFWayne63 min
Jun 26, 2:35 PM EDTSpecial Marine WarningBUF85 min
Jun 26, 2:48 PM EDTSevere Thunderstorm WarningBUFCayuga27 min
Jun 26, 3:07 PM EDTSevere Thunderstorm WarningBUFOswego53 min
Jun 26, 3:28 PM EDTSpecial Marine WarningBUF92 min
Jun 26, 3:31 PM EDTTornado WarningBUFOswego59 min
Jun 26, 4:08 PM EDTSevere Thunderstorm WarningBUFJefferson, Lewis67 min
Jun 26, 5:17 PM EDTSevere Thunderstorm WarningBUFLewis28 min

Nearby

Severe Thunderstorm Warnings in New York, 2002Every severe thunderstorm warning in 2002

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.