Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 13, NWS Buffalo, NY

May 31, 2002Niagara County, Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 31, 2002, 1:50 PM EDT for Niagara County, Orleans County, New York. It was in force for 55 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: May 31, 2002, 1:50 PM EDT (17:50 UTC)
Expired: May 31, 2002, 2:45 PM EDT
In force: 55 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Niagara County, NY, Orleans County, NY

The radar

The Buffalo radar (KBUF), 60 km from the middle of the area, began a volume at 17:51 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, 5.8 hours before the alert went out and 61 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: 728 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 961 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 240 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

300 
WUUS51 KBUF 311750
SVRBUF
NYC063-073-311845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
150 PM EDT FRI MAY 31 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NIAGARA COUNTY IN WESTERN NEW YORK
  ORLEANS COUNTY IN WESTERN NEW YORK

* UNTIL 245 PM EDT

* AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 21 MILES NORTHWEST OF WATERPORT...OR ABOUT 21
  MILES NORTHWEST OF MEDINA...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WATERPORT AT 210 PM EDT...
  POINT BREEZE AND ALBION AT 215 PM EDT...
  KENDALL AND HOLLEY AT 225 PM 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.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR WESTERN NEW YORK.

LAT...LON 4360 7869 4338 7881 4316 7804 4346 7796

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:10 AM EDT	Special Marine Warning	BUF		110 min
May 31, 7:30 AM EDT	Special Marine Warning	BUF		2 hr
May 31, 8:15 AM EDT	Special Marine Warning	BUF		2 hr
May 31, 9:39 AM EDT	Special Marine Warning	BUF		21 min
May 31, 9:48 AM EDT	Special Marine Warning	BUF		27 min
May 31, 11:34 AM EDT	Severe Thunderstorm Warning	BUF	Monroe, Orleans	26 min
May 31, 1:06 PM EDT	Special Marine Warning	BUF		114 min
May 31, 1:06 PM EDT	Special Marine Warning	BUF		114 min
May 31, 1:23 PM EDT	Special Marine Warning	BUF		112 min
May 31, 1:23 PM EDT	Special Marine Warning	BUF		112 min
May 31, 2:03 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	57 min
May 31, 2:55 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	50 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.