Alert archive / New York / Tornado Warnings in 2004

Tornado Warning 2, NWS Burlington, VT

June 9, 2004St. Lawrence County, New York

NWS Burlington, VT issued this tornado warning at Jun 9, 2004, 4:27 PM EDT for St. Lawrence County, New York. It was in force for 33 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 9, 2004, 4:27 PM EDT (20:27 UTC)
Expired: Jun 9, 2004, 5:00 PM EDT
In force: 33 min
Issued by: NWS Burlington, VT
Area: Counties, with a storm outline in the text

County St. Lawrence County, NY

What was reported inside it

Time	Report	Where	Remark
Jun 9, 4:45 PM EDT	TORNADO	Richville, NY	TORNADO HIT A HOUSE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.5 hours before the alert went out and 235 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: 192 J/kg
Mixed-layer CIN: -182 J/kg
Mixed-layer LCL: 1000 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 109 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.

000 
WFUS51 KBTV 092027
TORBTV
NYC089-092100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
427 PM EDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL ST. LAWRENCE COUNTY IN NORTHERN NEW YORK

* UNTIL 500 PM EDT.

* AT 419 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 16 MILES NORTHWEST OF GOUVERNEUR...MOVING EAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE...
  5 MILES NORTH OF GOUVERNEUR...7 MILES SOUTH OF DE KALB AROUND 
  440 PM
  NEAR DEGRASSE...RUSSELL AROUND 455 PM
  7 MILES NORTH OF FINE AROUND 500 PM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

SEEK SHELTER IN A BASEMENT OR ON THE LOWEST FLOOR OF A BUILDING IN AN
INTERIOR HALLWAY OR CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR
BODY AND ALWAYS STAY AWAY FROM WINDOWS.

EVACUATE MOBILE HOMES OR VEHICLES AND GET INSIDE A SUBSTANTIAL
SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH
OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4464 7563 4439 7589 4416 7504 4449 7493 $$

$$

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 11:34 AM EDT	Severe Thunderstorm Warning	BTV	Clinton, Franklin	56 min
Jun 9, 2:42 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	63 min
Jun 9, 3:06 PM EDT	Severe Thunderstorm Warning	BTV	Essex	54 min
Jun 9, 3:53 PM EDT	Severe Thunderstorm Warning	BTV	St. Lawrence	82 min
Jun 9, 5:20 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	55 min

Nearby

Tornado Warnings in New York, 2004 Every tornado warning in 2004 Tornadoes in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.