Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 9, NWS Buffalo, NY

April 28, 2002Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 28, 2002, 3:30 PM EDT for Wyoming County, New York. It was in force for 30 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, 3:30 PM EDT (19:30 UTC)
Expired: Apr 28, 2002, 4:00 PM EDT
In force: 30 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Wyoming County, NY

The radar

The Buffalo radar (KBUF), 56 km from the middle of the area, began a volume at 19:34 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, 7.5 hours before the alert went out and 52 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.

256 
WUUS51 KBUF 281930
SVRBUF
NYC121-282000-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 400 PM EDT

* AT 324 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER WARSAW...OR ABOUT 15 MILES WEST OF
  GENESEO...MOVING EAST AT 40 MPH.

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 4284 7820 4266 7814 4268 7797 4287 7797

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, 3:38 PM EDT	Severe Thunderstorm Warning	BUF	Livingston	37 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.