National Weather Service Raw Text Product

Displaying AFOS PIL: PNSTSA Received: 2012-12-21 01:13 UTC


479 
NOUS44 KTSA 210113
PNSTSA
ARZ001-002-010-011-019-020-029-OKZ049-053>076-211315-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
713 PM CST THU DEC 20 2012

...NWS DAMAGE SURVEY FOR 12/19/12 SEBASTIAN COUNTY TORNADO EVENT...

.OVERVIEW...
A LINE OF SEVERE THUNDERSTORMS DEVELOPED OVER EASTERN OKLAHOMA
DURING THE EARLY EVENING OF THE 19TH. THE STORMS MOVED RAPIDLY
EASTWARD PRODUCING LARGE HAIL AND DAMAGING WIND ACROSS MAINLY
SOUTHEAST OKLAHOMA AND WEST CENTRAL ARKANSAS. A TORNADO DEVELOPED
ALONG THE LEADING EDGE OF A PART OF THE LINE...DAMAGING
TREES...HOMES...AND OUTBUILDINGS.

.LAVACA ARKANSAS TORNADO...

RATING:                 EF-1
ESTIMATED PEAK WIND:    95 TO 105 MPH
PATH LENGTH /STATUTE/:  3 MILES
PATH WIDTH /MAXIMUM/:   650 YARDS
FATALITIES:             0
INJURIES:               0

START DATE:             DECEMBER 19 2012 
START TIME:             946 PM CST
START LOCATION:         5.3 NE LAVACA / SEBASTIAN COUNTY / AR
START LAT/LON:          35.399 / -94.119

END DATE:               DECEMBER 19 2012
END TIME:               949 PM CST
END LOCATION:           8 NE LAVACA / SEBASTIAN COUNTY / AR
END LAT/LON:            35.421 / -94.077

SURVEY SUMMARY: 
EARLIER TODAY...A TEAM OF METEOROLOGISTS FROM THE NATIONAL
WEATHER SERVICE FORECAST OFFICE IN TULSA ALONG WITH SEBASTIAN
COUNTY EMERGENCY MANAGEMENT OFFICIALS SURVEYED DAMAGE THAT
OCCURRED IN NORTHEASTERN SEBASTIAN COUNTY DURING THE EVENING OF
THE 19TH. THE DAMAGE THAT WAS SURVEYED NORTHEAST OF LAVACA WAS
STRONGLY INDICATIVE OF A TORNADO.

THE TORNADO DEVELOPED NEAR HIGHWAY 96 NORTH OF UNION ROAD WHERE IT
DAMAGED A PERMANENT HOME AND TREES. IT MOVED NORTHEAST UPROOTING
OR SNAPPING NUMEROUS HARDWOOD AND SOFTWOOD TREES AND DAMAGING
CHICKEN HOUSES AND OUTBUILDINGS. THE TORNADO DAMAGED THE SIDES AND
ROOF OF A FIRE STATION ON COUNTY ROAD 68...TORE THE ROOF OFF OF A
DOUBLE WIDE MOBILE HOME NORTH OF COUNTY ROAD 68...THEN DESTROYED
A DOUBLE WIDE MOBILE HOME AND TORE THE ROOFS OFF OF THREE CHICKEN
HOUSES. IT APPARENTLY DISSIPATED JUST BEFORE CROSSING INTO
FRANKLIN COUNTY BUT THIS AREA WAS INACCESSIBLE BY ROAD...MAKING
CONFIRMATION OF THE END POINT DIFFICULT. 

EF SCALE: THE ENHANCED FUJITA SCALE CLASSIFIES TORNADOES INTO THE
FOLLOWING CATEGORIES.

EF0...WEAK......65 TO 85 MPH
EF1...WEAK......86 TO 110 MPH
EF2...STRONG....111 TO 135 MPH
EF3...STRONG....136 TO 165 MPH
EF4...VIOLENT...166 TO 200 MPH
EF5...VIOLENT...>200 MPH

NOTE:
THE INFORMATION IN THIS STATEMENT IS PRELIMINARY AND SUBJECT TO
CHANGE PENDING FINAL REVIEW OF THE EVENT AND PUBLICATION IN
NWS STORM DATA. PLEASE CONTACT THE NATIONAL WEATHER SERVICE OFFICE
IN TULSA IF YOU HAVE ADDITIONAL INFORMATION REGARDING THIS TORNADO
THAT MAY HELP COMPLETE OUR ANALYSIS OF THE EVENT.

$$

EJC/SFP