Alert archive / New York / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 44, NWS Buffalo, NY

June 9, 2004Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 9, 2004, 5:09 PM EDT for Orleans County, New York. It was in force for 66 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, 5:09 PM EDT (21:09 UTC)
Expired: Jun 9, 2004, 6:15 PM EDT
In force: 66 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Orleans County, NY

The radar

The Buffalo radar (KBUF), 62 km from the middle of the area, began a volume at 21:11 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.

What was reported inside it

Time	Report	Where	Remark
Jun 9, 5:15 PM EDT	HAIL 0.75	Waterport, NY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.2 hours before the alert went out and 62 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.

000 
WUUS51 KBUF 092109
SVRBUF
NYC073-092215-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 615 PM EDT

* AT 456 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 7 MILES WEST OF       
  MEDINA...AND WAS MOVING EAST AT 45 MPH. 

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  POINT BREEZE AT 510 PM EDT...
  KENDALL AT 520 PM EDT...

A STORM SPOTTER REPORTED A TREE DOWNED FROM THIS ACTIVITY AS IT 
CROSSED NIAGARA COUNTY. 

ANOTHER LINE OF STORMS WAS LOCATED 10 MILES NORTH OF THE LAKE 
ONTARIO SHORE AND THESE WERE  HEADING TOWARD THE SOUTHEAST AT 30 
MPH. THOSE STORMS WILL CROSS THE ENTIRE COUNTY BETWEEN 530 PM AND 
615 PM. 

PERSONS IN THE PATH OF THESE STORMS SHOULD TAKE SHELTER IMMEDIATELY. 

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 4324 7800 4324 7836 4337 7837 4336 7821
          4337 7814 4338 7800

$$

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, 1:42 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	48 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, 5:50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.