Public Information Statement
Issued by NWS Tulsa, OK

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000
NOUS44 KTSA 040259
PNSTSA
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041500-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
959 PM CDT Fri Apr 3 2015

...NWS DAMAGE SURVEY FOR 04/02/15 TORNADO EVENT...

.AFTON OKLAHOMA TORNADO...

RATING:                 EF-1
ESTIMATED PEAK WIND:    100 TO 110 MPH
PATH LENGTH /STATUTE/:  12.3 MILES
PATH WIDTH /MAXIMUM/:   800 YARDS
FATALITIES:             0
INJURIES:               1

START DATE:             APRIL 2 2015
START TIME:             959 PM CDT
START LOCATION:         5.5 NE VINITA / CRAIG COUNTY / OK
START LAT/LON:          36.7045 / -95.0953

END DATE:               APRIL 2 2015
END TIME:               1019 PM CDT
END LOCATION:           3.3 NE BERNICE / DELAWARE COUNTY / 0K
END LAT/LON:            36.6561 / -94.8845

SURVEY SUMMARY:
A TORNADO DEVELOPED FROM A SUPERCELL THUNDERSTORM NORTH OF I-44 IN
EAST CENTRAL CRAIG COUNTY TO THE NORTHEAST OF VINITA. THE FIRST
DAMAGE NOTED OCCURRED TO BARNS AND TREES AT THE S 440 ROAD. THE
TORNADO MOVED EAST SOUTHEAST SNAPPING AND UPROOTING TREES AND
DAMAGING BARNS AND OUTBUILDING ALONG THE E 220 ROAD...S 440
ROAD...AND E 230 ROAD BEFORE CROSSING I-40...WHERE IT BLEW OVER
TWO TRACTOR TRAILERS RESULING IN AN INJURY TO ONE OF THE DRIVERS.

THE TORNADO MOVED EAST THROUGH OPEN COUNTRY AS IT MOVED INTO
SOUTHWESTERN OTTAWA COUNTY THEN CROSSED HIGHWAY 60 ABOUT A MILE
SOUTHWEST OF AFTON. ROUND HAY BALES WERE BLOWN ACROSS A FIELD AND
LIMBS WERE SNAPPED FROM TREES. THE TORNADO DESTROYED BARNS AND
OUTBUILDINGS...DAMAGED SEVERAL HOMES...AND SNAPPED OR UPROOTED
NUMEROUS TREES AS IT CROSSED THE S 510 AND S 520 ROADS.

THE TORNADO MOVED INTO NORTHERN DELAWARE COUNTY NEAR THE S 520
ROAD. TREES WERE SNAPPED OR UPROOTED...BARNS AND OUTBUILDINGS WERE
DAMAGED...AND HOMES WERE DAMAGED AS IT APPROACHED THE NORTH END OF
GRAND LAKE FROM THE WEST NORTHWEST. IT DESTROYED A PRIVATE BOAT
DOCK THE LAKE THEN MOVED THROUGH A COMMUNITY OF HOUSES TO THE EAST
OF THE LAKE...RESULTING IN DAMAGE TO HOMES AND TREES.

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.

$$

EJC/SFP



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