Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 20, NWS Buffalo, NY

June 8, 2007Allegany County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2007, 6:40 PM EDT for Allegany County, New York. It was in force for 57 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 8, 2007, 6:40 PM EDT (22:40 UTC)
Expired: Jun 8, 2007, 7:37 PM EDT
In force: 57 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 88 km from the middle of the area, began a volume at 22:40 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, 7:00 PM EDT	TSTM WND DMG	Canaseraga, NY	TREES AND WIRES 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, 10.7 hours before the alert went out and 85 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 082240
SVRBUF
NYC003-090000-
/O.NEW.KBUF.SV.W.0020.070608T2240Z-070609T0000Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 800 PM EDT

* AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
  FROM 9 MILES NORTHWEST OF RUSHFORD TO 21 MILES SOUTHWEST OF CUBA...
  AND MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RUSHFORD BY 645 PM EDT...
  HOUGHTON AND CUBA BY 650 PM EDT...
  BELFAST BY 655 PM EDT...
  WELLSVILLE BY 715 PM EDT...
  ALFRED BY 725 PM EDT...
  WHITESVILLE BY 735 PM EDT...

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 4253 7830 4201 7831 4201 7775 4246 7773
      4251 7785

$$

HITCHCOCK

2 follow-up statements

000 
WWUS51 KBUF 082301
SVSBUF

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

NYC003-090000-
/O.CON.KBUF.SV.W.0020.000000T0000Z-070609T0000Z/
ALLEGANY NY-
659 PM EDT FRI JUN 8 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR ALLEGANY COUNTY...

AT 657 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 CENTERVILLE TO BELFAST...MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RICHBURG AND BOLIVAR AND ANGELICA BY 705 PM EDT...
  BIRDSALL AND BELMONT BY 710 PM EDT...
  WELLSVILLE AND STANNARDS AND CANASERAGA BY 720 PM EDT...
  ALMOND AND ALFRED BY 725 PM EDT...
  WHITESVILLE AND ANDOVER BY 730 PM EDT...

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

LAT...LON 4253 7830 4201 7831 4201 7775 4246 7773
      4251 7785

$$

TJP

000 
WWUS51 KBUF 082337
SVSBUF

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

NYC003-082348-
/O.CAN.KBUF.SV.W.0020.000000T0000Z-070609T0000Z/
ALLEGANY NY-
738 PM EDT FRI JUN 8 2007

...THE SEVERE THUNDERSTORM WARNING FOR ALLEGANY COUNTY IS
CANCELLED...

AT 738 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN CANCELLED.

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

LAT...LON 4253 7830 4201 7831 4201 7775 4246 7773
      4251 7785

$$

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, 5:36 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	69 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, 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.