Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 33, NWS Buffalo, NY

June 19, 2007Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 19, 2007, 12:45 PM EDT for Monroe County, New York. It was in force for 60 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, 12:45 PM EDT (16:45 UTC)
Expired: Jun 19, 2007, 1:45 PM EDT
In force: 60 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 83 km from the middle of the area, began a volume at 16:47 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, 1:00 PM EDT	TSTM WND DMG	Rochester, NY	* 1 FATAL, 1 INJ * ONE MAN KILLED BY FALLING TREE. ONE INJURED IN CRUSHED CAR.
Jun 19, 1:20 PM EDT	TSTM WND DMG	Rochester, 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 19, 12:19 PM EDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.8 hours before the alert went out and 81 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 191646
SVRBUF
NYC055-191745-
/O.NEW.KBUF.SV.W.0033.070619T1645Z-070619T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1245 PM EDT TUE JUN 19 2007

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 145 PM EDT

* AT 1245 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 6 MILES SOUTHWEST OF BROCKPORT TO 15 MILES SOUTH OF   
  CHURCHVILLE...MOVING NORTHEAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  SPENCERPORT BY 1255 PM EDT...
  GREECE...GATES-NORTH GATES AND GATES BY 100 PM EDT...
  HENRIETTA BY 105 PM EDT...
  ROCHESTER...IRONDEQUOIT AND BRIGHTON BY 110 PM EDT...
  EAST ROCHESTER BY 115 PM EDT...
  FAIRPORT BY 120 PM EDT...

THESE STORMS HAVE A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE 
DAMAGING HAIL. THE STORMS WILL ALSO PRODUCE FREQUENT CLOUD TO GROUND 
LIGHTNING AND POSSIBLY SOME SMALL HAIL. SEEK SHELTER NOW INSIDE A 
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

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

LAT...LON 4323 7798 4315 7795 4314 7787 4307 7790
      4301 7788 4302 7772 4295 7770 4297 7750
      4304 7750 4306 7740 4323 7741

$$

RSH

2 follow-up statements

000 
WWUS51 KBUF 191729
SVSBUF

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

NYC055-191745-
/O.CON.KBUF.SV.W.0033.000000T0000Z-070619T1745Z/
MONROE NY-
128 PM EDT TUE JUN 19 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR MONROE COUNTY...

AT 126 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUE TO 
SHOW 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 NORTH OF IRONDEQUOIT TO FAIRPORT...MOVING 
NORTHEAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  RURAL MONROE COUNTY.

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

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

LAT...LON 4323 7798 4315 7795 4314 7787 4307 7790
      4301 7788 4302 7772 4295 7770 4297 7750
      4304 7750 4306 7740 4323 7741

$$

TJP

000 
WWUS51 KBUF 191749
SVSBUF

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

NYC055-191759-
/O.EXP.KBUF.SV.W.0033.000000T0000Z-070619T1745Z/
MONROE NY-
149 PM EDT TUE JUN 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR MONROE COUNTY EXPIRES AT 145
PM EDT...

AT 149 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

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

LAT...LON 4323 7798 4315 7795 4314 7787 4307 7790
      4301 7788 4302 7772 4295 7770 4297 7750
      4304 7750 4306 7740 4323 7741

$$

RSH

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, 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, 4:30 PM EDT	Severe Thunderstorm Warning	BUF	Genesee, Wyoming	69 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.