Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 12, NWS Buffalo, NY

June 8, 2007Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2007, 5:36 PM EDT for Cattaraugus County, New York. It was in force for 69 min. 2 reports 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 8, 2007, 5:36 PM EDT (21:36 UTC)
Expired: Jun 8, 2007, 6:45 PM EDT
In force: 69 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), 66 km from the middle of the area, began a volume at 21:36 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 8, 5:53 PM EDT	TSTM WND DMG	Otto, NY	TREES AND LINES DOWN
Jun 8, 6:01 PM EDT	TSTM WND DMG	Carrollton, NY	TREES DOWN

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

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 8, 2:59 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.6 hours before the alert went out and 64 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: 648 J/kg
Mixed-layer CIN: -252 J/kg
Mixed-layer LCL: 1305 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 165 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 082137
SVRBUF
NYC009-082245-
/O.NEW.KBUF.SV.W.0012.070608T2136Z-070608T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
536 PM EDT FRI JUN 8 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 645 PM EDT

* AT 532 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS   
  IN EXCESS OF 60 MPH AND PENNY SIZED HAIL. THESE STORMS WERE        
  LOCATED ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF GOWANDA   
  TO 35 MILES WEST OF ALLEGANY PARK...OR ALONG A LINE EXTENDING FROM 
  17 MILES EAST OF DUNKIRK TO 14 MILES WEST OF JAMESTOWN...AND       
  MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  OTTO BY 555 PM EDT...
  ASHFORD HOLLOW BY 605 PM EDT...
  ASHFORD AND SALAMANCA BY 620 PM EDT...
  ALLEGANY PARK BY 625 PM EDT...
  FRANKLINVILLE BY 630 PM EDT...
  ALLEGANY BY 640 PM EDT...

STRONG DAMAGING WINDS HAVE MOVED WELL AHEAD OF THIS LINE OF STORMS. 
DO NOT WAIT FOR THE SOUND OF THUNDER TO SEEK SHELTER.

THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE 
IMMEDIATELY FOR DAMAGING WINDS...AND DEADLY CLOUD TO GROUND 
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY 
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7902 4201 7905 4202 7832 4251 7831
      4252 7850 4243 7878

$$

HITCHCOCK

2 follow-up statements

000 
WWUS51 KBUF 082201
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
601 PM EDT FRI JUN 8 2007

NYC009-082245-
/O.CON.KBUF.SV.W.0012.000000T0000Z-070608T2245Z/
CATTARAUGUS NY-
601 PM EDT FRI JUN 8 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CATTARAUGUS COUNTY...

AT 557 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTH OF ASHFORD HOLLOW TO ISCHUA.
...MOVING EAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  DELEVAN AND YORKSHIRE BY 610 PM EDT...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS. SEEK 
SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7902 4201 7905 4202 7832 4251 7831
      4252 7850 4243 7878

$$

TJP

000 
WWUS51 KBUF 082243
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
643 PM EDT FRI JUN 8 2007

NYC009-082253-
/O.EXP.KBUF.SV.W.0012.000000T0000Z-070608T2245Z/
CATTARAUGUS NY-
643 PM EDT FRI JUN 8 2007

...THE SEVERE THUNDERSTORM WARNING FOR CATTARAUGUS COUNTY EXPIRES AT
645 PM EDT...

AT 643 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4251 7902 4201 7905 4202 7832 4251 7831
      4252 7850 4243 7878

$$

TJP

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 3:46 PM EDT	Special Marine Warning	BUF		119 min
Jun 8, 4:44 PM EDT	Severe Thunderstorm Warning	BUF	Erie	61 min
Jun 8, 4:46 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	74 min
Jun 8, 4:50 PM EDT	Special Marine Warning	BUF		115 min
Jun 8, 4:59 PM EDT	Special Marine Warning	BUF		61 min
Jun 8, 5:12 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	78 min
Jun 8, 5:20 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Wyoming	55 min
Jun 8, 5:39 PM EDT	Severe Thunderstorm Warning	BUF	Erie	51 min
Jun 8, 5:47 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	58 min
Jun 8, 5:48 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	57 min
Jun 8, 5:53 PM EDT	Severe Thunderstorm Warning	BUF	Livingston	82 min
Jun 8, 5:59 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	18 min
Jun 8, 6:13 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Wyoming	24 min
Jun 8, 6:35 PM EDT	Severe Thunderstorm Warning	BUF	Ontario, Wayne	55 min
Jun 8, 6:35 PM EDT	Tornado Warning	BUF	Livingston	40 min
Jun 8, 6:36 PM EDT	Special Marine Warning	BUF		54 min
Jun 8, 6:40 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	57 min
Jun 8, 7:09 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga	64 min
Jun 8, 7:11 PM EDT	Special Marine Warning	BUF		85 min
Jun 8, 7:27 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	33 min
Jun 8, 7:31 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	71 min
Jun 8, 7:58 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson	64 min

Nearby

Severe Thunderstorm Warnings in New York, 2007 Every severe thunderstorm warning in 2007

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.