Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 8, NWS Buffalo, NY

May 11, 2003Oswego County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 11, 2003, 4:31 PM EDT for Oswego County, New York. It was in force for 59 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, 4:31 PM EDT (20:31 UTC)
Expired: May 11, 2003, 5:30 PM EDT
In force: 59 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Oswego 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 hours before the alert went out and 196 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: 281 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 850 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

230 
WUUS51 KBUF 112031
SVRBUF
NYC075-112130-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 530 PM EDT

* AT 416 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES WEST OF OSWEGO...MOVING NORTHEAST AT
  20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NINE MILE POINT AT 450 PM EDT
  SELKIRK BEACH AT 510 PM EDT
  PULASKI AT 515 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 4353 7681 4342 7660 4341 7593 4368 7597

$$

TMA

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, 4:39 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
May 11, 5:43 PM EDT	Severe Thunderstorm Warning	BUF	Lewis	62 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.