Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 19, NWS Buffalo, NY

June 8, 2007Ontario County, Wayne County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2007, 6:35 PM EDT for Ontario County, Wayne County, New York. It was in force for 55 min. 3 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, 6:35 PM EDT (22:35 UTC)
Expired: Jun 8, 2007, 7:30 PM EDT
In force: 55 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Ontario County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 120 km from the middle of the area, began a volume at 22:35 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, 6:50 PM EDT	TSTM WND DMG	Manchester, NY	TREES AND WIRES DOWN
Jun 8, 7:00 PM EDT	TSTM WND DMG	Newark, NY	TREES AND WIRES DOWN
Jun 8, 7:40 PM EDT	TSTM WND DMG	Wolcott, NY	TREES AND WIRES

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, 10.6 hours before the alert went out and 117 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 082235
SVRBUF
NYC069-117-082330-
/O.NEW.KBUF.SV.W.0019.070608T2235Z-070608T2330Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ONTARIO COUNTY IN WESTERN NEW YORK
  WAYNE COUNTY IN WESTERN NEW YORK

* UNTIL 730 PM EDT

* AT 631 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES
  NORTHWEST OF VICTOR...AND   MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PALMYRA BY 650 PM EDT...
  MARION BY 700 PM EDT...

THIS STORM HAS 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 4303 7672 4301 7697 4277 7697 4277 7731
      4259 7737 4259 7749 4267 7747 4269 7760
      4285 7758 4288 7754 4294 7757 4295 7747
      4303 7747 4304 7735 4328 7737 4328 7698
      4334 7672

$$

TJP

1 follow-up statement

000 
WWUS51 KBUF 082257
SVSBUF

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

NYC069-117-082330-
/O.CON.KBUF.SV.W.0019.000000T0000Z-070608T2330Z/
ONTARIO NY-WAYNE NY-
657 PM EDT FRI JUN 8 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR WAYNE AND ONTARIO COUNTIES...

AT 653 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR PALMYRA...OR ABOUT 11 MILES EAST OF FAIRPORT...MOVING
EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEWARK BY 705 PM EDT...
  LYONS BY 715 PM EDT...
  CLYDE BY 725 PM EDT...
  SAVANNAH BY 730 PM EDT...

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

LAT...LON 4303 7672 4301 7697 4277 7697 4277 7731
      4259 7737 4259 7749 4267 7747 4269 7760
      4285 7758 4288 7754 4294 7757 4295 7747
      4303 7747 4304 7735 4328 7737 4328 7698
      4334 7672

$$

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	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.