Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 42, NWS Buffalo, NY

June 19, 2007Genesee County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 19, 2007, 4:30 PM EDT for Genesee County, Wyoming 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 19, 2007, 4:30 PM EDT (20:30 UTC)
Expired: Jun 19, 2007, 5:39 PM EDT
In force: 69 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

Counties Genesee County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 47 km from the middle of the area, began a volume at 20:31 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 19, 4:45 PM EDT	TSTM WND DMG	Arcade, NY	LIMB AND WIRE DOWN
Jun 19, 5:24 PM EDT	TSTM WND DMG	Oakfield, NY	WIRE 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 19, 12:19 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.5 hours before the alert went out and 43 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: 150 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 1612 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KBUF 192030
SVRBUF
NYC037-121-192200-
/O.NEW.KBUF.SV.W.0042.070619T2030Z-070619T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
430 PM EDT TUE JUN 19 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GENESEE COUNTY IN WESTERN NEW YORK
  WYOMING COUNTY IN WESTERN NEW YORK

* UNTIL 600 PM EDT

* AT 427 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 10 MILES WEST OF DARIEN TO 10 MILES SOUTHWEST OF JAVA
  CENTER...OR ALONG A LINE EXTENDING FROM 7 MILES NORTHEAST OF
  LANCASTER TO 19 MILES SOUTH OF EAST AURORA...AND MOVING NORTHEAST
  AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  JAVA CENTER BY 435 PM EDT...
  BENNINGTON BY 440 PM EDT...
  VARYSBURG AND DARIEN BY 445 PM EDT...
  OAKFIELD AND ATTICA BY 455 PM EDT...
  WARSAW AND BATAVIA BY 505 PM EDT...
  PAVILION AND PERRY BY 515 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7795 4304 7791 4297 7790 4293 7797
      4270 7796 4253 7830 4253 7845 4263 7842
      4276 7842 4279 7845 4309 7844 4313 7838
      4313 7792

$$

TMA

2 follow-up statements

000 
WWUS51 KBUF 192109
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
509 PM EDT TUE JUN 19 2007

NYC037-121-192200-
/O.CON.KBUF.SV.W.0042.000000T0000Z-070619T2200Z/
WYOMING NY-GENESEE NY-
509 PM EDT TUE JUN 19 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR GENESEE AND WYOMING COUNTIES...

AT 505 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 ELBA TO WARSAW...MOVING NORTHEAST AT 30 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  STAFFORD AND WYOMING BY 515 PM EDT...
  PAVILION AND BYRON AND PERRY BY 520 PM EDT...
  LE ROY BY 525 PM EDT...
  BERGEN BY 530 PM EDT...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7795 4304 7791 4297 7790 4293 7797
      4270 7796 4253 7830 4253 7845 4263 7842
      4276 7842 4279 7845 4309 7844 4313 7838
      4313 7792

$$

TJP

000 
WWUS51 KBUF 192139
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
538 PM EDT TUE JUN 19 2007

NYC037-121-192148-
/O.CAN.KBUF.SV.W.0042.000000T0000Z-070619T2200Z/
WYOMING NY-GENESEE NY-
538 PM EDT TUE JUN 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR GENESEE AND WYOMING COUNTIES
IS CANCELLED...

AT 538 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 900 PM EDT
TUESDAY EVENING FOR WESTERN NEW YORK.

LAT...LON 4305 7795 4304 7791 4297 7790 4293 7797
      4270 7796 4253 7830 4253 7845 4263 7842
      4276 7842 4279 7845 4309 7844 4313 7838
      4313 7792

$$

TMA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 19, 11:43 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	47 min
Jun 19, 11:55 AM EDT	Severe Thunderstorm Warning	BUF	Erie	35 min
Jun 19, 11:59 AM EDT	Severe Thunderstorm Warning	BUF	Wyoming	51 min
Jun 19, 12:16 PM EDT	Severe Thunderstorm Warning	BUF	Genesee	50 min
Jun 19, 12:21 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	54 min
Jun 19, 12:41 PM EDT	Severe Thunderstorm Warning	BUF	Livingston	41 min
Jun 19, 12:45 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	60 min
Jun 19, 1:25 PM EDT	Special Marine Warning	BUF		65 min
Jun 19, 1:34 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	56 min
Jun 19, 2:17 PM EDT	Special Marine Warning	BUF		58 min
Jun 19, 2:27 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego	48 min
Jun 19, 2:44 PM EDT	Special Marine Warning	BUF		61 min
Jun 19, 2:51 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	54 min
Jun 19, 3:00 PM EDT	Special Marine Warning	BUF		30 min
Jun 19, 3:07 PM EDT	Severe Thunderstorm Warning	BUF	Oswego	38 min
Jun 19, 3:20 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis	55 min
Jun 19, 3:23 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	67 min
Jun 19, 3:32 PM EDT	Tornado Warning	BUF	Chautauqua	28 min
Jun 19, 3:43 PM EDT	Severe Thunderstorm Warning	BUF	Erie	62 min
Jun 19, 3:57 PM EDT	Special Marine Warning	BUF		63 min
Jun 19, 4:04 PM EDT	Special Marine Warning	BUF		86 min
Jun 19, 4:17 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	58 min
Jun 19, 4:34 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	56 min
Jun 19, 4:45 PM EDT	Severe Thunderstorm Warning	BUF	Erie	30 min
Jun 19, 4:47 PM EDT	Special Marine Warning	BUF		88 min
Jun 19, 4:47 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	58 min
Jun 19, 5:00 PM EDT	Severe Thunderstorm Warning	BUF	Monroe	90 min
Jun 19, 5:09 PM EDT	Severe Thunderstorm Warning	BUF	Livingston	66 min
Jun 19, 5:31 PM EDT	Special Marine Warning	BUF		89 min
Jun 19, 5:58 PM EDT	Severe Thunderstorm Warning	BUF	Wayne	77 min
Jun 19, 6:30 PM EDT	Special Marine Warning	BUF		2 hr
Jun 19, 7:05 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Oswego	40 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.