Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 10, NWS Buffalo, NY

April 28, 2002Livingston County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 28, 2002, 3:38 PM EDT for Livingston County, New York. It was in force for 37 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: Apr 28, 2002, 3:38 PM EDT (19:38 UTC)
Expired: Apr 28, 2002, 4:15 PM EDT
In force: 37 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Livingston County, NY

The radar

The Buffalo radar (KBUF), 76 km from the middle of the area, began a volume at 19:39 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.

Issued	Product	Office	Lasted
Apr 28, 2:00 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.6 hours before the alert went out and 72 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: 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.

866 
WUUS51 KBUF 281938
SVRBUF
NYC051-282015-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 334 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES NORTHWEST OF MOUNT MORRIS...OR ABOUT 10
  MILES WEST OF GENESEO...MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER YORK AND GENESEO AT 350 PM EDT   
  OVER AVON AT 400 PM EDT

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

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

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 4290 7794 4258 7794 4262 7760 4297 7775

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 12:54 PM EDT	Special Marine Warning	BUF		36 min
Apr 28, 1:27 PM EDT	Special Marine Warning	BUF		33 min
Apr 28, 2:05 PM EDT	Special Marine Warning	BUF		55 min
Apr 28, 2:34 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Chautauqua	26 min
Apr 28, 2:40 PM EDT	Severe Thunderstorm Warning	BUF	Erie	35 min
Apr 28, 2:43 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	32 min
Apr 28, 2:43 PM EDT	Tornado Warning	BUF	Erie	32 min
Apr 28, 2:49 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	26 min
Apr 28, 3:00 PM EDT	Tornado Warning	BUF	Erie, Wyoming	30 min
Apr 28, 3:12 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	48 min
Apr 28, 3:29 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	31 min
Apr 28, 3:30 PM EDT	Severe Thunderstorm Warning	BUF	Wyoming	30 min
Apr 28, 3:48 PM EDT	Tornado Warning	BUF	Allegany	42 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.