Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 11, NWS Buffalo, NY

May 11, 2003Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 11, 2003, 5:43 PM EDT for Lewis County, New York. It was in force for 62 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 11, 2003, 5:43 PM EDT (21:43 UTC)
Expired: May 11, 2003, 6:45 PM EDT
In force: 62 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Lewis County, NY

The watch it was issued in

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

Issued	Product	Office	Lasted
May 11, 1:50 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.7 hours before the alert went out and 180 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 888 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 145 m²/s²
0-3 km storm-relative helicity: 190 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.

408 
WUUS51 KBUF 112143
SVRBUF
NYC049-112245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
541 PM EDT SUN MAY 11 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LEWIS COUNTY IN CENTRAL NEW YORK

* UNTIL 645 PM EDT

* AT 540 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A LINE OF SEVERE THUNDERSTORMS OVER EASTERN OSWEGO COUNTY FROM     
  ALTMAR TO WEST MONROE...MOVING NORTHEAST AT 25 MPH.

* THIS LINE OF STORMS WILL BE NEAR...
  NORTH OSCEOLA AND BARNES CORNERS BY 610 PM
  HIGHMARKET BY 620 PM EDT
  LOWVILLE BY 640 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.

LAT...LON 4368 7577 4349 7575 4363 7516 4398 7539

$$

SFM

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 7:10 AM EDT	Special Marine Warning	BUF		65 min
May 11, 1:34 PM EDT	Special Marine Warning	BUF		86 min
May 11, 1:46 PM EDT	Severe Thunderstorm Warning	BUF	Genesee	44 min
May 11, 2:11 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	49 min
May 11, 2:53 PM EDT	Special Marine Warning	BUF		82 min
May 11, 2:54 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	51 min
May 11, 4:09 PM EDT	Special Marine Warning	BUF		96 min
May 11, 4:31 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	59 min
May 11, 4:39 PM EDT	Special Marine Warning	BUF		96 min
May 11, 5:24 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	51 min
May 11, 5:33 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	42 min
May 11, 5:39 PM EDT	Special Marine Warning	BUF		96 min

Nearby

Severe Thunderstorm Warnings in New York, 2003 Every severe thunderstorm warning in 2003

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.