Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 30, NWS Buffalo, NY

May 23, 2004Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 23, 2004, 3:25 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 65 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 23, 2004, 3:25 PM EDT (19:25 UTC)
Expired: May 23, 2004, 4:30 PM EDT
In force: 65 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 87 km from the middle of the area, began a volume at 19:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 7.4 hours before the alert went out and 217 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: 1054 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 109 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.9

Open this sounding in Storm Lab

The text

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

238 
WUUS51 KBUF 231925
SVRBUF
NYC009-013-232030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
325 PM EDT SUN MAY 23 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATTARAUGUS COUNTY IN WESTERN NEW YORK
  CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 430 PM EDT

* AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED NEAR FALCONER...OR ABOUT 5 MILES NORTHEAST OF
  JAMESTOWN...AND WAS MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RANDOLPH AT 340 PM EDT...
  EAST RANDOLPH AT 345 PM EDT...

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 4216 7933 4203 7916 4228 7878 4244 7900

$$

DJF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:45 PM EDT	Severe Thunderstorm Warning	BUF	Ontario	60 min
May 22, 10:02 PM EDT	Flash Flood Warning	BUF	Livingston, Ontario	4 hr
May 22, 10:11 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Livingston, Monroe	49 min
May 23, 12:20 AM EDT	Flash Flood Warning	BUF	Allegany, Cattaraugus	4 hr
May 23, 5:53 AM EDT	Flash Flood Warning	BUF	Cattaraugus	2 hr
May 23, 6:26 AM EDT	Flash Flood Warning	BUF	Chautauqua, Erie	3 hr
May 23, 2:31 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.