Alert archive / New York / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 39, NWS Buffalo, NY

August 5, 2003Lewis County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 5, 2003, 5:05 PM EDT for Lewis County, New York. It was in force for 55 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: Aug 5, 2003, 5:05 PM EDT (21:05 UTC)
Expired: Aug 5, 2003, 6:00 PM EDT
In force: 55 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Lewis County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 9.1 hours before the alert went out and 161 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: 478 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 624 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

017 
WUUS51 KBUF 052105
SVRBUF
NYC049-052200-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
504 PM EDT TUE AUG 5 2003

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 600 PM EDT

* AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 20 MILES SOUTHWEST OF 
  HIGHMARKET TO 25 MILES SOUTH OF HIGHMARKET...MOVINGG NORTHEAST AT 
  20 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  HIGHMARKET AT 545 PM EDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THE THUNDERSTORMS. 
STAY INDOORS AWAY FROM WINDOWS. HEAVY RAIN MAY ALSO CAUSE FLOODING.

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 4342 7578 4335 7573 4318 7561 4341 7498
          4360 7512 4367 7571

$$

DJF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 5, 12:24 PM EDT	Severe Thunderstorm Warning	BUF	Erie	36 min
Aug 5, 12:56 PM EDT	Severe Thunderstorm Warning	BUF	Wyoming	34 min
Aug 5, 1:55 PM EDT	Special Marine Warning	BUF		50 min
Aug 5, 1:55 PM EDT	Special Marine Warning	BUF		50 min
Aug 5, 1:55 PM EDT	Special Marine Warning	BUF		50 min
Aug 5, 1:55 PM EDT	Special Marine Warning	BUF		50 min
Aug 5, 3:38 PM EDT	Flash Flood Warning	BUF	Ontario	112 min
Aug 5, 3:45 PM EDT	Flash Flood Warning	BUF	Allegany	2 hr
Aug 5, 4:22 PM EDT	Flash Flood Warning	BUF	Monroe, Wayne	53 min
Aug 5, 4:23 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	52 min
Aug 5, 4:34 PM EDT	Flash Flood Warning	BUF	Wyoming	26 min
Aug 5, 4:54 PM EDT	Flash Flood Warning	BUF	Lewis, Oswego	2 hr
Aug 5, 4:59 PM EDT	Flash Flood Warning	BUF	Wyoming	31 min
Aug 5, 5:06 PM EDT	Flash Flood Warning	BUF	Wayne	54 min
Aug 5, 5:19 PM EDT	Flash Flood Warning	BUF	Allegany	56 min
Aug 5, 5:24 PM EDT	Flash Flood Warning	BUF	Wyoming	36 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.