Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 45, NWS Buffalo, NY

June 19, 2007Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 19, 2007, 4:47 PM EDT for Orleans County, New York. It was in force for 58 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 19, 2007, 4:47 PM EDT (20:47 UTC)
Expired: Jun 19, 2007, 5:45 PM EDT
In force: 58 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Orleans County, NY

The radar

The Buffalo radar (KBUF), 60 km from the middle of the area, began a volume at 20:48 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, 5:00 PM EDT	TSTM WND DMG	Medina, NY	TREE LIMBS DOWN ON GOLF COURSE

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, 8.8 hours before the alert went out and 59 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 192047
SVRBUF
NYC073-192145-
/O.NEW.KBUF.SV.W.0045.070619T2047Z-070619T2145Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 545 PM EDT

* AT 444 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 12 MILES SOUTH OF
  MEDINA...AND MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MEDINA BY 500 PM EDT...
  ALBION BY 515 PM EDT...
  POINT BREEZE BY 520 PM EDT...
  KENDALL BY 525 PM EDT...

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

LAT...LON 4337 7800 4314 7800 4314 7846 4332 7846
      4336 7843 4338 7840 4336 7837 4338 7809
      4337 7805 4338 7802

$$

TMA

2 follow-up statements

000 
WWUS51 KBUF 192117
SVSBUF

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

NYC073-192145-
/O.CON.KBUF.SV.W.0045.000000T0000Z-070619T2145Z/
ORLEANS NY-
518 PM EDT TUE JUN 19 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR ORLEANS COUNTY...

AT 509 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 NORTHWEST OF LYNDONVILLE TO HOLLEY TO 8 MILES
SOUTH OF HOLLEY...OR ALONG A LINE EXTENDING FROM 12 MILES NORTH OF
MEDINA TO ALBION TO 7 MILES SOUTH OF BROCKPORT...MOVING NORTHEAST AT
20 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  POINT BREEZE BY 525 PM EDT...
  KENDALL BY 530 PM EDT...

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

LAT...LON 4337 7800 4314 7800 4314 7846 4332 7846
      4336 7843 4338 7840 4336 7837 4338 7809
      4337 7805 4338 7802

$$

HIBBERT

000 
WWUS51 KBUF 192144
SVSBUF

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

NYC073-192154-
/O.EXP.KBUF.SV.W.0045.000000T0000Z-070619T2145Z/
ORLEANS NY-
544 PM EDT TUE JUN 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR ORLEANS COUNTY EXPIRES AT 545
PM EDT...

AT 544 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 ALLOWED TO EXPIRE.

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

LAT...LON 4337 7800 4314 7800 4314 7846 4332 7846
      4336 7843 4338 7840 4336 7837 4338 7809
      4337 7805 4338 7802

$$

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, 4:30 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, 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.