Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. through Thursday, focused from the central High Plains to the Mid-Mississippi Valley. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, and dry thunderstorms may spark additional wildfires. Dangerous heat will build across the southern U.S. Friday into the weekend. Read More >

Walthall County Tornado - December 10, 2012

Rating:	EF-1
Estimated Maximum Wind:	100 mph
Injuries/Fatalities:	None
Damage Path Length:	17 miles
Maximum Path Width:	100 yards
Approximate Start Point/Time:	7 miles S of Tylertown, MS at 752 AM
Approximate End Point/Time:	15 miles E of Tylertown, MS at 819 AM

A National Weather Service Damage Assessment Team has surveyed the storm damage in Walthall County near the city of Tylertown, MS. It has been determined the damage was the result of a tornado. The tornado has been rated an EF-1 on the Enhanced Fujita Scale. Damage estimates were consistent with winds of 100 mph.

From the Local Storm Report:

THE TORNADO INITIALLY TOUCHED DOWN NEAR THE INTERSECTION OF HWY 27 AND SIMON RD. IT MOVED NORTHEAST CAUSING SPORADIC EF-0 DAMAGE FOR A FEW MILES ROUGHLY ALONG SIMON AND TAYLOR ROADS. NEAR THE INTERSECTION OF SIMON AND ALLEN HILL ROADS...THE TORNADO DESTROYED A METAL BUILDING AND THREW THE DEBRIS 200-300 YARDS DOWN ITS PATH. IT STRENGTHENED AS IT NEARED HWY 48...CAUSING MORE SIGNIFICANT DAMAGE. TWO HOMES SUFFERED MODERATE DAMAGE TO A BRICK FACADE AND ROOFING AND A DAIRY BARN WAS DESTROYED NEAR THE CROSSING OF DEXTER RD AND HWY 48. THE TORNADO THEN CROSSED HWY 48 AND CONTINUED TO CAUSE SIGNIFICANT DAMAGE TO TREES WITH SOME MINOR DAMAGE TO A FEW MORE STRUCTURES. IT ALSO PICKED UP SEVERAL LARGE HAY BALES AND THREW THEM BETWEEN 75 AND 100 FT. THE TORNADO BEGAN TO WEAKEN AS IT APPROACHED THE WALTHALL/MARION COUNTY LINE...BUT DID CONTINUE TO CAUSE DAMAGE FOR A FEW MORE MILES INTO MARION COUNTY PER SURVEY RESULTS FROM WFO JACKSON.

KLIX Reflectivity for Houma Tornado
KLIX Reflectivity for Walthall County Tornado at 811 AM CST 12/10/2012

KLIX Storm Relative Velocity for Houma Tornado
KLIX Storm Relative Velocity at maximum intensity at 816 AM CST 12/10/2012

Damage to roof of home	Brick facade destroyed
Damage to trailer and large hay bails thrown	Trees Snapped

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Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

NWS New Orleans/Baton Rouge -- Walthall County Tornado 12/10/12