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Severe Microburst Winds and Large Hail Impact the Roundup Area

Severe Microburst Winds and Large Hail Impact the Roundup Area

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE BILLINGS MT
123 PM MDT MON JUN 25 2007

...SEVERE MICROBURST WINDS AND LARGE HAIL IMPACT THE ROUNDUP AREA...

THE NATIONAL WEATHER SERVICE IN BILLINGS CONDUCTED A SURVEY OF
DAMAGE THAT RESULTED FROM SEVERE THUNDERSTORMS IN THE ROUNDUP AREA
SUNDAY EVENING AROUND 825 PM.

THE NATIONAL WEATHER SERVICE HAS CONCLUDED THAT THE WIND DAMAGE
WAS CAUSED BY 70 TO 80 MPH MICROBURST WINDS. A MICROBURST IS A
STRONG OUTFLOW OF WIND FROM THUNDERSTORMS THAT CAN CREATE DAMAGE
SIMILAR TO A WEAK TORNADO. 

THE STRONGEST OF THESE WINDS OCCURRED ON THE SOUTHEAST SIDE OF
ROUNDUP. NUMEROUS TREES WERE TILTED OVER OR EVEN SNAPPED OFF. A
LARGE GARAGE DOOR WAS ALSO BLOWN IN. A FEW OTHER SMALLER
STRUCTURES SUSTAINED DAMAGE. 

BESIDES THE WIND...WIDESPREAD GOLFBALL SIZE HAIL WAS REPORTED
THROUGHOUT ROUNDUP. TENNIS BALL TO BASEBALL SIZE HAIL WAS ALSO
REPORTED JUST SOUTH AND EAST OF TOWN.


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