Alert archive / New York / Tornado Warnings in 2011

Tornado Warning 12, NWS Buffalo, NY

November 14, 2011Cattaraugus County, New York

NWS Buffalo, NY issued this tornado warning at Nov 14, 2011, 6:06 PM EST for Cattaraugus County, New York. It was in force for 24 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
Nov 14, 2011, 6:06 PM EST (23:06 UTC)
Expired
Nov 14, 2011, 6:30 PM EST
In force
24 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Cattaraugus County, NY

The radar

The Buffalo radar (KBUF), 75 km from the middle of the area, began a volume at 23:08 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

TimeReportWhereRemark
Nov 14, 6:08 PM ESTTSTM WND DMGLittle Valley, NYROOF BLOWN OFF HOME

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, 11.1 hours before the alert went out and 72 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2011-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 19 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2011-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
19 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
289 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.

709 
WFUS51 KBUF 142306
TORBUF
NYC009-142330-
/O.NEW.KBUF.TO.W.0012.111114T2306Z-111114T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
606 PM EST MON NOV 14 2011

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL CATTARAUGUS COUNTY IN WESTERN NEW YORK...

* UNTIL 630 PM EST

* AT 603 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES
  SOUTHWEST OF ASHFORD...OR 7 MILES NORTHWEST OF SALAMANCA...MOVING
  EAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
   LITTLE VALLEY...
   ELLICOTTVILLE...
   ASHFORD...
   ISCHUA...
   FRANKLINVILLE...

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 4241 7832 4215 7832 4218 7891 4231 7890
TIME...MOT...LOC 2306Z 266DEG 38KT 4225 7876

$$

HITCHCOCK
2 follow-up statements
931 
WWUS51 KBUF 142321
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
621 PM EST MON NOV 14 2011

NYC009-142330-
/O.CON.KBUF.TO.W.0012.000000T0000Z-111114T2330Z/
CATTARAUGUS NY-
621 PM EST MON NOV 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EST FOR EAST
CENTRAL CATTARAUGUS COUNTY...

AT 617 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR 
ELLICOTTVILLE...MOVING EAST AT 45 MPH.

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...   
   ELLICOTTVILLE...  
   ISCHUA...

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 4235 7832 4215 7832 4220 7869 4230 7870
TIME...MOT...LOC 2320Z 270DEG 38KT 4224 7858

$$

ZAFF
795 
WWUS51 KBUF 142332
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
632 PM EST MON NOV 14 2011

NYC009-142341-
/O.EXP.KBUF.TO.W.0012.000000T0000Z-111114T2330Z/
CATTARAUGUS NY-
632 PM EST MON NOV 14 2011

...THE TORNADO WARNING FOR EAST CENTRAL CATTARAUGUS COUNTY HAS
EXPIRED...

ALTHOUGH THE THREAT FOR TORNADOES HAVE DIMINISHED...SEVERE WEATHER 
IS STILL A POSSIBILITY.  A SEVERE THUNDERSTORM WARNING REMAINS IN 
EFFECT UNTIL 700 PM EST.  PLEASE REFER TO THE LATEST SEVERE WEATHER 
STATEMENTS FOR THE LATEST INFORMATION.

LAT...LON 4235 7832 4215 7832 4220 7869 4230 7870
TIME...MOT...LOC 2321Z 270DEG 38KT 4224 7857

$$

ZAFF

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 4:17 PM ESTSpecial Marine WarningBUF88 min
Nov 14, 4:41 PM ESTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua, Erie64 min
Nov 14, 4:47 PM ESTTornado WarningBUFCattaraugus, Chautauqua, Erie43 min
Nov 14, 4:54 PM ESTTornado WarningBUFChautauqua36 min
Nov 14, 5:27 PM ESTSevere Thunderstorm WarningBUFCattaraugus, Erie, Wyoming36 min
Nov 14, 5:30 PM ESTTornado WarningBUFCattaraugus, Chautauqua30 min
Nov 14, 5:46 PM ESTSevere Thunderstorm WarningBUFChautauqua59 min
Nov 14, 5:59 PM ESTSevere Thunderstorm WarningBUFAllegany, Cattaraugus, Chautauqua61 min
Nov 14, 6:38 PM ESTTornado WarningBUFCattaraugus, Chautauqua37 min
Nov 14, 6:40 PM ESTSevere Thunderstorm WarningBUFAllegany, Livingston, Ontario20 min
Nov 14, 6:57 PM ESTSevere Thunderstorm WarningBUFAllegany, Cattaraugus63 min

Nearby

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