Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 6, NWS Buffalo, NY

April 28, 2002Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 28, 2002, 2:49 PM EDT for Cattaraugus County, New York. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 28, 2002, 2:49 PM EDT (18:49 UTC)
Expired
Apr 28, 2002, 3:15 PM EDT
In force
26 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 18:49 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.

What was reported inside it

TimeReportWhereRemark
Apr 28, 3:00 PM EDTThunderstorm Wind 55 ERandolph, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 28, 2:00 PM EDTTornado WatchSPC5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.8 hours before the alert went out and 76 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 2002-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 2002-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 686 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
419 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
686 m²/s²
0-3 km storm-relative helicity
744 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

673 
WUUS51 KBUF 281849
SVRBUF
NYC009-281915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
248 PM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATTARAUGUS COUNTY IN WESTERN NEW YORK
  THIS INCLUDES THE CITY OF SALAMANCA

* UNTIL 315 PM EDT

* AT 244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 7 MILES SOUTH OF GOWANDA TO 8   
MILES WEST OF ALLEGANY PARK...MOVING EAST AT 20 MPH.

* SEVERE THUNDERSTORMS WILL BE...
  OVER ALLEGANY PARK...3 MILES SOUTH OF OTTO AT 305 PM EDT
  OVER SALAMANCA AT 310 PM EDT
  3 MILES SOUTHWEST OF ASHFORD HOLLOW...6 MILES WEST OF ASHFORD AT
  315 PM EDT

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY EVENING FOR
WESTERN NEW YORK.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 12:54 PM EDTSpecial Marine WarningBUF36 min
Apr 28, 1:27 PM EDTSpecial Marine WarningBUF33 min
Apr 28, 2:05 PM EDTSpecial Marine WarningBUF55 min
Apr 28, 2:34 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua26 min
Apr 28, 2:40 PM EDTSevere Thunderstorm WarningBUFErie35 min
Apr 28, 2:43 PM EDTSevere Thunderstorm WarningBUFChautauqua32 min
Apr 28, 2:43 PM EDTTornado WarningBUFErie32 min
Apr 28, 3:00 PM EDTTornado WarningBUFErie, Wyoming30 min
Apr 28, 3:12 PM EDTSevere Thunderstorm WarningBUFCattaraugus48 min
Apr 28, 3:29 PM EDTSevere Thunderstorm WarningBUFAllegany31 min
Apr 28, 3:30 PM EDTSevere Thunderstorm WarningBUFWyoming30 min
Apr 28, 3:38 PM EDTSevere Thunderstorm WarningBUFLivingston37 min
Apr 28, 3:48 PM EDTTornado WarningBUFAllegany42 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.