Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 60, NWS Buffalo, NY

July 28, 2002Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 28, 2002, 9:42 AM EDT for Chautauqua County, Erie County, New York. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 28, 2002, 9:42 AM EDT (13:42 UTC)
Expired: Jul 28, 2002, 10:45 AM EDT
In force: 63 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Chautauqua County, NY, Erie County, NY

The radar

The Buffalo radar (KBUF), 65 km from the middle of the area, began a volume at 13:41 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, 1.7 hours before the alert went out and 67 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 171 J/kg
Mixed-layer CIN: -265 J/kg
Mixed-layer LCL: 1200 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

735 
WUUS51 KBUF 281342
SVRBUF
NYC013-029-281445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
942 AM EDT SUN JUL 28 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK
  ERIE COUNTY IN WESTERN NEW YORK

* UNTIL 1045 AM EDT

* AT 936 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS FROM 18 MILES NORTH OF DUNKIRK TO 
  30 MILES NORTHWEST OF LAWRENCE PARK...MOVING SOUTHEAST AT 45 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  DERBY AND SILVER CREEK AND LAKE ERIE BEACH AT 1000 AM EDT...
  ATHOL SPRINGS AT 1005 AM EDT...

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM FLOOD-PRONE AREAS. A SEVERE THUNDERSTORM CAN PRODUCE LARGE
DAMAGING HAIL...DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY
LIGHTNING...AND VERY HEAVY RAIN.

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

LAT...LON 4284 7943 4260 7964 4255 8047 4202 7968
          4249 7922 4255 7856 4278 7849

DJF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 3:18 AM EDT	Special Marine Warning	BUF		72 min
Jul 28, 4:12 AM EDT	Severe Thunderstorm Warning	BUF	Chautauqua, Erie	48 min
Jul 28, 9:18 AM EDT	Special Marine Warning	BUF		72 min
Jul 28, 10:11 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	64 min
Jul 28, 3:47 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	28 min
Jul 28, 4:18 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	57 min
Jul 28, 4:47 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	58 min
Jul 28, 5:43 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Wayne	62 min

Nearby

Severe Thunderstorm Warnings in New York, 2002 Every 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.