Alert archive / New York / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 21, NWS Buffalo, NY

June 8, 2007Cayuga County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 8, 2007, 7:09 PM EDT for Cayuga County, New York. It was in force for 64 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, 7:09 PM EDT (23:09 UTC)
Expired: Jun 8, 2007, 8:13 PM EDT
In force: 64 min
Issued by: NWS Buffalo, NY
Area: Counties, with a storm outline in the text

County Cayuga County, NY

The radar

The Ft Drum radar (KTYX), 96 km from the middle of the area, began a volume at 23:11 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, 7:30 PM EDT	TSTM WND DMG	Cato, NY	TREES AND POWER LINES 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, 11.2 hours before the alert went out and 172 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 082310
SVRBUF
NYC011-090030-
/O.NEW.KBUF.SV.W.0021.070608T2309Z-070609T0030Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CAYUGA COUNTY IN CENTRAL NEW YORK

* UNTIL 830 PM EDT

* AT 706 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN
  EXCESS OF 70 MPH.  THIS STORM WAS LOCATED 27 MILES WEST OF CATO...
  OR ABOUT 16 MILES NORTHEAST OF CANANDAIGUA...AND MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  MONTEZUMA BY 740 PM EDT...
  CATO AND WEEDSPORT BY 750 PM EDT...

THIS IS A DANGEROUS STORM WHICH HAS A HISTORY OF PRODUCING 
WIDESPREAD WIND DAMAGE. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY 
FOR DAMAGING WINDS...DESTRUCTIVE HAIL...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 4333 7672 4303 7672 4303 7648 4325 7649
      4326 7661 4341 7661

$$

HITCHCOCK

2 follow-up statements

000 
WWUS51 KBUF 082347
SVSBUF

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

NYC011-090030-
/O.CON.KBUF.SV.W.0021.000000T0000Z-070609T0030Z/
CAYUGA NY-
747 PM EDT FRI JUN 8 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM EDT
FOR CAYUGA COUNTY...

AT 740 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS
IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 21 MILES EAST OF IRA...
OR ABOUT 10 MILES NORTH OF CLAY...MOVING EAST AT 40 MPH.

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

LAT...LON 4333 7672 4303 7672 4303 7648 4325 7649
      4326 7661 4341 7661

$$

TJP

000 
WWUS51 KBUF 090013
SVSBUF

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

NYC011-090023-
/O.CAN.KBUF.SV.W.0021.000000T0000Z-070609T0030Z/
CAYUGA NY-
813 PM EDT FRI JUN 8 2007

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

RADAR INDICATED THAT HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS WERE
STILL POSSIBLE FROM THE THUNDERSTORM.

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

LAT...LON 4333 7672 4303 7672 4303 7648 4325 7649
      4326 7661 4341 7661

$$

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, 6:40 PM EDT	Severe Thunderstorm Warning	BUF	Allegany	57 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.