Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 40, NWS Buffalo, NY

June 9, 2004Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 9, 2004, 1:42 PM EDT for Cattaraugus County, New York. It was in force for 48 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: Jun 9, 2004, 1:42 PM EDT (17:42 UTC)
Expired: Jun 9, 2004, 2:30 PM EDT
In force: 48 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 78 km from the middle of the area, began a volume at 17:46 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 9, 1:00 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.7 hours before the alert went out and 75 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: 623 J/kg
Mixed-layer CIN: -93 J/kg
Mixed-layer LCL: 1163 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 106 m²/s²
0-3 km storm-relative helicity: 137 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.

732 
WUUS51 KBUF 091742
SVRBUF
NYC009-091830-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
142 PM EDT WED JUN 9 2004

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 230 PM EDT

* AT 140 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES SOUTH OF
  ASHFORD...OR ABOUT 6 MILES NORTHEAST OF SALAMANCA...AND WAS MOVING
  EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ISCHUA AT 150 PM EDT...

A SEVERE THUNDERSTORM WATCH IS ALSO IN EFFECT FOR WESTERN NEW YORK 
UNTIL 6 PM.

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 4232 7863 4234 7843 4235 7832 4216 7831
          4215 7863

$$

NIZIOL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 12:41 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	34 min
Jun 9, 12:46 PM EDT	Special Marine Warning	BUF		89 min
Jun 9, 2:42 PM EDT	Special Marine Warning	BUF		2 hr
Jun 9, 3:44 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	76 min
Jun 9, 3:52 PM EDT	Special Marine Warning	BUF		53 min
Jun 9, 4:00 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	60 min
Jun 9, 4:23 PM EDT	Special Marine Warning	BUF		97 min
Jun 9, 4:37 PM EDT	Special Marine Warning	BUF		83 min
Jun 9, 5:06 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	69 min
Jun 9, 5:09 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	66 min
Jun 9, 5:50 PM EDT	Special Marine Warning	BUF		55 min
Jun 9, 5:57 PM EDT	Special Marine Warning	BUF		63 min
Jun 9, 5:58 PM EDT	Special Marine Warning	BUF		47 min
Jun 9, 6:07 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	53 min
Jun 9, 6:19 PM EDT	Severe Thunderstorm Warning	BUF	Genesee	56 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.