Alert archive / New York / Tornado Warnings in 2011

Tornado Warning 10, NWS Buffalo, NY

November 14, 2011Chautauqua County, New York

NWS Buffalo, NY issued this tornado warning at Nov 14, 2011, 4:54 PM EST for Chautauqua County, New York. It was in force for 36 min. 4 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
Nov 14, 2011, 4:54 PM EST (21:54 UTC)
Expired
Nov 14, 2011, 5:30 PM EST
In force
36 min
Issued by
NWS Buffalo, NY
Area
Storm-based polygon

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 101 km from the middle of the area, began a volume at 21:54 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, 5:03 PM ESTHAIL 0.88Ripley, NYHAIL COVERED THE GROUND
Nov 14, 5:05 PM ESTTORNADOWestfield, NY0505-0515 PM EST... EF2
Nov 14, 5:10 PM ESTTSTM WND DMGWestfield, NYROOFS BLOWN OFF HOUSES VICINITY WESTFIELD
Nov 14, 5:14 PM ESTTSTM WND DMG2 Se Westfield, NYBARN BLOW OFF FOUNDATION VICINITY MT. BALDY RD.

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, 9.9 hours before the alert went out and 102 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.

348 
WFUS51 KBUF 142154
TORBUF
NYC013-142230-
/O.NEW.KBUF.TO.W.0010.111114T2154Z-111114T2230Z/

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

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 530 PM EST

* AT 449 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 19 MILES WEST OF
  WESTFIELD...OR 33 MILES SOUTHWEST OF FREDONIA...MOVING EAST AT 60
  MPH.

* THE TORNADO WILL BE NEAR...
   RIPLEY...
   WESTFIELD...
   MAYVILLE...

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 4229 7974 4237 7955 4243 7928 4219 7925
      4217 7977 4227 7977
TIME...MOT...LOC 2154Z 264DEG 54KT 4225 7983

$$

HITCHCOCK
2 follow-up statements
566 
WWUS51 KBUF 142214
SVSBUF

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

NYC013-142230-
/O.CON.KBUF.TO.W.0010.000000T0000Z-111114T2230Z/
CHAUTAUQUA NY-
514 PM EST MON NOV 14 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM EST FOR CENTRAL
CHAUTAUQUA COUNTY...

AT 508 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR WESTFIELD...OR 19
MILES SOUTHWEST OF FREDONIA...MOVING EAST AT 55 MPH.

THE TORNADO SOME LOCATIONS IN THE WARNING INCLUDE...   
   MAYVILLE...  
   CHAUTAUQUA INSTITUTE...
   STOCKTON...

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 4220 7973 4226 7972 4232 7963 4237 7955
      4243 7928 4219 7925
TIME...MOT...LOC 2213Z 265DEG 46KT 4227 7954

$$

ZAFF
103 
WWUS51 KBUF 142232
SVSBUF

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

NYC013-142240-
/O.EXP.KBUF.TO.W.0010.000000T0000Z-111114T2230Z/
CHAUTAUQUA NY-
532 PM EST MON NOV 14 2011

...THE TORNADO WARNING FOR CENTRAL CHAUTAUQUA COUNTY HAS BEEN 
REPLACED BY A NEW WARNING TO THE EAST...

AREAS WEST OF MAYVILLE ARE NO LONGER THREATENED BY TORNADIC 
ACTIVITY.  HOWEVER AREAS TO THE EAST...INCLUDING 
GERRY...ELLINGTON...CONEWANGO...RANDOLPH... AND LITTLE VALLEY ARE 
UNDER A NEW TORNADO WARNING.  PLEASE REFER TO THE LATEST TORNADO 
WARNING FOR FURTHER INFORMATION.

LAT...LON 4220 7973 4226 7972 4232 7963 4237 7955
      4243 7928 4219 7925
TIME...MOT...LOC 2214Z 265DEG 46KT 4227 7952

$$

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, 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, 6:06 PM ESTTornado WarningBUFCattaraugus24 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.