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NOUS44 KBMX 032100
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ALZ011>015-017>050-040900-

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
300 PM CST MON DEC 3 2018


...NWS DAMAGE SURVEY FOR DECEMBER 1ST, 2018 TORNADO...

BEHIND AN EXTENSIVE AREA OF RAINFALL SATURDAY MORNING, DECEMBER 1ST, 
ISOLATED THUNDERSTORMS DEVELOPED ALONG A BOUNDARY IN A HIGHLY
SHEARED, INCREASINGLY UNSTABLE AIRMASS ACROSS SOUTH CENTRAL ALABAMA
THAT AFTERNOON. ONE PARTICULARLY STRONGER STORM DEVELOPED JUST SOUTH 
OF A WARM FRONT WHERE ENHANCED LOW LEVEL SHEAR WAS IN PLACE AS IT
MOVED INTO SOUTHWEST PERRY COUNTY. THE LOW TOPPED SUPERCELL DEVELOPED
A STRONGER MESOCYCLONE AS IT MOVED EAST NORTHEAST ACROSS SOUTHERN
PERRY COUNTY.

..VAIDEN EF-0 TORNADO (PERRY COUNTY)...

RATING:                 EF0
ESTIMATED PEAK WIND:    65 MPH
PATH LENGTH /STATUTE/:  0.31 MILES
PATH WIDTH /MAXIMUM/:   75.0 YARDS
FATALITIES:             0
INJURIES:               0

START DATE:             12/01/2018
START TIME:             02:34 PM CST
START LOCATION:         1 NNE VAIDEN / PERRY COUNTY / AL
START LAT/LON:          32.529 / -87.364

END DATE:               12/01/2018
END TIME:               02:36 PM CST
END LOCATION:           1 NE VAIDEN / PERRY COUNTY / AL
END LAT/LON:            32.5294 / -87.3588

SURVEY SUMMARY:

NWS BIRMINGHAM SURVEY TEAMS DETERMINED A WEAK TORNADO TOUCHED DOWN
NEAR ALABAMA HIGHWAY 5 NORTHEAST OF VAIDEN FIELD AIRPORT IN PERRY
COUNTY. THE TORNADO PROCEEDED EAST NORTHEAST ONTO A PROPERTY WHERE
MINOR STRUCTURAL DAMAGE AND TREE DAMAGE WAS SURVEYED. TWO LARGE TREES
WERE SNAPPED AT THE BASE ALONG WITH SEVERAL SMALL TO MEDIUM SIZED
TREES EITHER SNAPPED OR UPROOTED THROUGHOUT THE DAMAGE PATH. TWO
MOBILE HOMES ON THE PROPERTY SUSTAINED MINOR ROOF DAMAGE, AS WELL AS
DAMAGE TO SIDING AND VEHICLES PARKED NEARBY. DEBRIS FROM THE PROPERTY
WAS LOFTED INTO THE NEARBY WOODED AREA INCLUDING ROOFING MATERIAL AND
A TRAMPOLINE WHERE MORE TREE DAMAGE AND SNAPPED TREE BRANCHES WERE
OBSERVED. NO ADDITIONAL DAMAGE COULD BE OBSERVED BEYOND THE ENDPOINT
ON THE EASTERN PORTION OF THE PROPERTY.

DAMAGE WAS ALSO SURVEYED ON HEMLOCK ROAD AND HIGHWAY 183 NORTH OF
UNIONTOWN IN PERRY COUNTY. MINOR STRUCTURAL AND TREE DAMAGE WAS
OBSERVED ON THIS PROPERTY THAT EXHIBITED CHARACTERISTICS OF STRAIGHT
LINE WIND DAMAGE. A SHED WAS BLOWN OVER ON ITS SIDE AS WELL AS
SEVERAL SMALL TREES SNAPPED OR UPROOTED. NO ADDITIONAL DAMAGE COULD
BE OBSERVED NEARBY.

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.

$$

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