Alert archive / New York / Tornado Warnings in 2011

Tornado Warning 8, NWS Buffalo, NY

August 21, 2011Cayuga County, Wayne County, New York

NWS Buffalo, NY issued this tornado warning at Aug 21, 2011, 3:25 PM EDT for Cayuga County, Wayne County, New York. It was in force for 35 min. 7 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: Aug 21, 2011, 3:25 PM EDT (19:25 UTC)
Expired: Aug 21, 2011, 4:00 PM EDT
In force: 35 min
Issued by: NWS Buffalo, NY
Area: Storm-based polygon

Counties Cayuga County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 101 km from the middle of the area, began a volume at 19:27 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
Aug 21, 3:30 PM EDT	TSTM WND DMG	Cato, NY	MULTIPLE TREES AND WIRES DOWN.
Aug 21, 3:30 PM EDT	TSTM WND DMG	Conquest, NY	MULTIPLE TREES AND WIRES DOWN.
Aug 21, 3:30 PM EDT	TSTM WND DMG	Savannah, NY	MULTIPLE HOMES WITH ROOFS RIPPED OFF.
Aug 21, 3:30 PM EDT	HAIL 1.25	Meridian, NY	MULTIPLE REPORTS OF HAIL IN THE TOWN OF MERIDIAN.
Aug 21, 3:40 PM EDT	TSTM WND DMG	Cato, NY	MULTIPLE TREES AND WIRES DOWN.
Aug 21, 3:45 PM EDT	TSTM WND DMG	Port Byron, NY	MULTIPLE TREES DOWN AND WIRES... BUSH HILL RD.
Aug 21, 3:58 PM EDT	HAIL 1	Weedsport, NY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.4 hours before the alert went out and 175 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: 390 J/kg
Mixed-layer CIN: -28 J/kg
Mixed-layer LCL: 607 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

803 
WFUS51 KBUF 211925
TORBUF
NYC011-117-212000-
/O.NEW.KBUF.TO.W.0008.110821T1925Z-110821T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
325 PM EDT SUN AUG 21 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL CAYUGA COUNTY IN CENTRAL NEW YORK...
  SOUTHEASTERN WAYNE COUNTY IN WESTERN NEW YORK...

* UNTIL 400 PM EDT

* AT 323 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
  SOUTHWEST OF CATO...OR 7 MILES NORTH OF MONTEZUMA...MOVING EAST AT
  25 MPH.

* THE TORNADO WILL BE NEAR...
   CATO...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

&&

LAT...LON 4310 7649 4303 7648 4302 7655 4302 7681
      4320 7683 4323 7648 4320 7647 4311 7647
TIME...MOT...LOC 1925Z 265DEG 24KT 4312 7669

$$

JJR

2 follow-up statements

698 
WWUS51 KBUF 211939
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
339 PM EDT SUN AUG 21 2011

NYC011-117-212000-
/O.CON.KBUF.TO.W.0008.000000T0000Z-110821T2000Z/
WAYNE NY-CAYUGA NY-
339 PM EDT SUN AUG 21 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR NORTH
CENTRAL CAYUGA AND SOUTHEASTERN WAYNE COUNTIES...

AT 336 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR CATO...OR 10 MILES
NORTHEAST OF MONTEZUMA...MOVING EAST AT 30 MPH. A TRAINED WEATHER 
SPOTTER REPORTED STRUCTURAL DAMAGE IN SOUTH BUTLER. 

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...
  MERIDIAN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.


&&

LAT...LON 4310 7649 4303 7648 4302 7655 4302 7681
      4320 7683 4323 7648 4320 7647 4311 7647
TIME...MOT...LOC 1938Z 265DEG 24KT 4313 7657

$$

TJP

415 
WWUS51 KBUF 211957
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
357 PM EDT SUN AUG 21 2011

NYC011-117-212007-
/O.EXP.KBUF.TO.W.0008.000000T0000Z-110821T2000Z/
WAYNE NY-CAYUGA NY-
357 PM EDT SUN AUG 21 2011

...THE TORNADO WARNING FOR NORTH CENTRAL CAYUGA AND SOUTHEASTERN
WAYNE COUNTIES WILL EXPIRE AT 400 PM EDT...

AT 357 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM WITH THE POSSIBLE TORNADO HAD WEAKENED AND NO LONGER 
APPEARED CAPABLE OF PRODUCING TORNADOES. THUS...THE WARNING HAS BEEN 
ALLOWED TO EXPIRE.

LAT...LON 4310 7649 4303 7648 4302 7655 4302 7681
      4320 7683 4323 7648 4320 7647 4311 7647
TIME...MOT...LOC 1957Z 265DEG 24KT 4314 7640

$$

TJP

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 21, 3:36 AM EDT	Special Weather Statement	BUF	Erie	39 min
Aug 21, 5:08 AM EDT	Special Weather Statement	BUF	Genesee, Monroe, Orleans	67 min
Aug 21, 11:39 AM EDT	Special Weather Statement	BUF	Erie, Genesee	66 min
Aug 21, 12:08 PM EDT	Special Marine Warning	BUF		52 min
Aug 21, 12:09 PM EDT	Severe Thunderstorm Warning	BUF	Erie, Genesee, Wyoming	51 min
Aug 21, 12:27 PM EDT	Special Weather Statement	BUF	Cattaraugus, Chautauqua, Erie, Genesee, Monroe, Orleans and 1 more	63 min
Aug 21, 1:03 PM EDT	Special Weather Statement	BUF	Chautauqua	57 min
Aug 21, 1:42 PM EDT	Special Weather Statement	BUF	Livingston, Wyoming	63 min
Aug 21, 2:11 PM EDT	Special Marine Warning	BUF		64 min
Aug 21, 2:15 PM EDT	Special Marine Warning	BUF		79 min
Aug 21, 2:29 PM EDT	Special Weather Statement	BUF	Allegany, Livingston	61 min
Aug 21, 2:50 PM EDT	Severe Thunderstorm Warning	BUF	Cayuga, Oswego, Wayne	55 min
Aug 21, 3:13 PM EDT	Special Marine Warning	BUF		62 min
Aug 21, 4:02 PM EDT	Small Craft Advisory	BUF		36 hr
Aug 21, 4:17 PM EDT	Special Marine Warning	BUF		58 min
Aug 21, 4:35 PM EDT	Special Marine Warning	BUF		55 min
Aug 21, 4:44 PM EDT	Special Weather Statement	BUF	Monroe	61 min
Aug 21, 5:23 PM EDT	Special Marine Warning	BUF		52 min
Aug 21, 6:27 PM EDT	Special Marine Warning	BUF		33 min
Aug 21, 6:28 PM EDT	Special Weather Statement	BUF	Erie, Genesee, Wyoming	62 min
Aug 21, 6:34 PM EDT	Special Weather Statement	BUF	Oswego	56 min
Aug 21, 6:48 PM EDT	Severe Thunderstorm Warning	BUF	Jefferson, Lewis, Oswego	57 min

Nearby

Tornado Warnings in New York, 2011 Every tornado warning in 2011 Tornadoes in 2011

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.