Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Burlington, VT

June 9, 2004St. Lawrence County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jun 9, 2004, 3:53 PM EDT for St. Lawrence County, New York. It was in force for 82 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, 3:53 PM EDT (19:53 UTC)
Expired: Jun 9, 2004, 5:15 PM EDT
In force: 82 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, 7.9 hours before the alert went out and 243 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 
WUUS51 KBTV 091953
SVRBTV
NYC089-092115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
353 PM EDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ST. LAWRENCE COUNTY IN NORTHERN NEW YORK

* UNTIL 515 PM EDT.

* AT 344 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST
  OF OGDENSBURG TO AROUND 39 MILES WEST OF OGDENSBURG...MOVING EAST 
  AT AROUND 30 MPH.

* SEVERE THUNDERSTORMS WILL BE...
  NEAR OGDENSBURG AROUND 350 PM EDT
  NEAR MADRID AROUND 400 PM EDT
  NEAR NORWOOD AROUND 420 PM EDT
  NEAR POTSDAM...CANTON AROUND 430 PM EDT
  NEAR HOPKINTON...COLTON AROUND 440 PM EDT
  NEAR DE KALB AROUND 450 PM EDT.

* OTHER LOCATIONS IN THE WARNING INCLUDE CHILDWOLD...COLTON...
  CRANBERRY LAKE...DE KALB...DEGRASSE...FINE...GOUVERNEUR...
  HOPKINTON...LAWRENCEVILLE...MADRID...NORWOOD...RAYMONDVILLE...
  RUSSELL AND SOUTH COLTON.

THIS IS A DANGEROUS STORM. PREPARE FOR DAMAGING WINDS AND LARGE HAIL.
SEEK INDOOR SHELTER...AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN
PRODUCE TORNADOES WITH LITTLE WARNING.

LAT...LON 4482 7528 4473 7560 4469 7603 4460 7628
      4455 7680 4424 7552 4416 7504 4422 7476
      4424 7456 4488 7466

$$

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, 4:27 PM EDT	Tornado Warning	BTV	St. Lawrence	33 min
Jun 9, 5:20 PM EDT	Severe Thunderstorm Warning	BTV	Franklin, St. Lawrence	55 min

Nearby

Severe Thunderstorm Warnings in New York, 2004 Every severe thunderstorm warning 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.