Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 25, NWS Buffalo, NY

July 24, 2003Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 24, 2003, 11:00 AM EDT for Jefferson County, New York. It was in force for 60 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: Jul 24, 2003, 11:00 AM EDT (15:00 UTC)
Expired: Jul 24, 2003, 12:00 PM EDT
In force: 60 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Jefferson County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 3.0 hours before the alert went out and 233 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: 370 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 531 m above ground
0-6 km bulk shear: 56 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 97 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.

184 
WUUS51 KBUF 241500
SVRBUF
NYC045-241600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1059 AM EDT THU JUL 24 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL NOON EDT

* AT 1056 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER HENDERSON HARBOR...OR ABOUT 16 MILES
  SOUTHWEST OF WATERTOWN...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CHAUMONT AT 1130 AM EDT

LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN 
THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A 
SUBSTANTIAL SHELTER.

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 4383 7633 4371 7615 4413 7577 4422 7613

$$

DJF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 8:01 AM EDT	Special Marine Warning	BUF		29 min
Jul 24, 10:33 AM EDT	Severe Thunderstorm Warning	BUF	Oswego	27 min
Jul 24, 11:05 AM EDT	Special Marine Warning	BUF		115 min
Jul 24, 12:24 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	51 min
Jul 24, 2:30 PM EDT	Special Marine Warning	BUF		75 min
Jul 24, 3:40 PM EDT	Special Marine Warning	BUF		50 min
Jul 24, 4:30 PM EDT	Special Marine Warning	BUF		60 min
Jul 24, 5:04 PM EDT	Severe Thunderstorm Warning	BUF	Erie	56 min
Jul 24, 5:40 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	50 min
Jul 24, 5:45 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	45 min
Jul 24, 6:31 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	29 min
Jul 24, 6:54 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	51 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.