Straight-Line Winds Estimated up to 110 to 115 mph

...SURVEY TEAM CONFIRMS STRAIGHT-LINE WIND DAMAGE UP TO 110 TO 115
MPH IN EAST CENTRAL NEBRASKA AND WEST CENTRAL IOWA...

A NATIONAL WEATHER SERVICE DAMAGE ASSESSMENT TEAM HAS COMPLETED
SURVEYING THE WIND DAMAGE THAT OCCURRED ON FRIDAY IN THE LATE
AFTERNOON AND EARLY EVENING.  THE TEAM HAS DETERMINED THAT ALL AREAS
OF DAMAGE FROM NORTHERN SAUNDERS AND SOUTHERN DODGE COUNTIES
SOUTHEASTWARD INTO POTTAWATTAMIE AND MILLS COUNTIES WERE CAUSED BY
STRAIGHT-LINE WINDS.  THE DAMAGE SWATH WAS 3 TO 5 MILES
WIDE...STARTING IN NORTH CENTRAL SAUNDERS AND SOUTH CENTRAL DODGE
COUNTIES...TRACKING SOUTHEASTWARD THROUGH NORTHWEST OMAHA AND THE
DOWNTOWN AREA OF OMAHA...AND CONTINUING ACROSS SOUTHERN
POTTAWATTAMIE AND NORTHERN MILLS COUNTIES.  MAXIMUM ESTIMATED WIND
SPEEDS IN THE DAMAGE SWATH WERE 110 TO 115 MPH...CONSISTENT WITH
LOWER-END EF2 RATED DAMAGE.

THE SURVEY BEGAN IN THE CEDAR BLUFFS AREA IN NORTH CENTRAL SAUNDERS
AND SOUTH CENTRAL DODGE COUNTY.  WIND SPEEDS ARE ESTIMATED TO HAVE
REACHED 110 TO 115 MPH IN A SWATH EXTENDING FROM NEAR THE WOODCLIFF
AREA...ACROSS HIGHWAY 275 JUST NORTHWEST OF MERCER....AND TOWARD
AREAS JUST NORTH OF ELKHORN NEBRASKA.  NUMEROUS TREES WERE UPROOTED
AND BROKEN ACROSS THE SWATH OF DAMAGE...NUMEROUS POWER POLES WERE
BROKEN...AND FIELDS OF CORN WERE FLATTENED AND SHREDDED.  IN
WOODCLIFF...SEVERAL BOATS AND BOAT HOISTS WERE TIPPED...AND MANY
HOMES AND OUTBUILDINGS WERE DAMAGED BY FALLEN TREES.  NORTHWEST OF
MERCER...A FARMSTEAD HAD SIGNIFICANT DAMAGE TO GRAIN BINS AND
OUTBUILDINGS...INCLUDING ONE BIN THAT WAS BLOWN ABOUT 0.4 MILES
DOWNSTREAM.  NORTH OF VALLEY...SEVERAL HOMES AND OUTBUILDINGS HAD
UPLIFTED ROOF SECTIONS...AND NUMEROUS GRAIN BINS WERE DAMAGED OR
DESTROYED...WITH DEBRIS BLOWN QUITE A DISTANCE DOWNSTREAM.  IN
ADDITION...MOUNT MICHAEL JUST NORTH OF ELKHORN HAD ROOF SECTIONS
UPLIFTED AND TOSSED.

THE DAMAGE SWATH CONTINUED FROM NORTH OF ELKHORN INTO WEST OMAHA.
TWO HOUSES NEAR 180TH ST JUST NORTH OF MAPLE ST HAD DAMAGE DUE TO
GARAGE STRUCTURES FAILING...WHICH CAUSED THE ROOF OF THOSE HOUSES TO
ALSO FAIL.  WIND SPEEDS APPEAR TO HAVE DIMINISHED SOMEWHAT...TO THE
70 TO 90 MPH RANGE.  TREE AND POWER POLE DAMAGE WAS NOTED ON A PATH
TOWARD 132ND ST AND MAPLE ST.  NEAR THAT INTERSECTION...MORE
SUBSTANTIAL DAMAGE WAS NOTED...INCLUDING A GAS STATION WITH A
DAMAGED CANOPY AND A SWATH OF BROKEN LIGHT AND POWER POLES ACROSS
THE INTERSECTION.  MAINLY TREE DAMAGE WAS NOTED AS THE SWATH MOVED
TOWARD THE DUNDEE AREA OF OMAHA.  IN THAT AREA...WITH THE HIGHER
CONCENTRATION OF LARGE TREES...MORE SUBSTANTIAL TREE DAMAGE WAS
NOTED.  THE SWATH CONTINUED TOWARD THE DOWNTOWN OF OMAHA...WITH
WELL-DOCUMENTED DAMAGE TO THE OUTSIDE OF THE QWEST CENTER.

IN IOWA...MORE SUBSTANTIAL WINDS ON THE HIGHER END OF THE 70 TO 90
MPH RANGE WERE NOTED IN AN AREA SOUTHWEST OF TREYNOR AND NORTH OF
MINEOLA.  A CONCENTRATION OF TREE DAMAGE WAS NOTED THERE...AS WELL
AS HOUSES AND OUTBUILDINGS WITH SECTIONS OF ROOFING UPLIFTED AND
GRAIN BINS WITH SIGNIFICANT DAMAGE.  THE SWATH PERSISTED...THOUGH
WEAKENING TO THE 60 TO 70 MPH RANGE...TOWARD AREAS SOUTH AND
SOUTHEAST OF MACEDONIA AND NORTH OF SILVER CITY.  THE SURVEY ENDED
NEAR THE EAST SIDE OF POTTAWATTAMIE AND NORTH CENTRAL MONTGOMERY
COUNTY.

MORE INFORMATION WILL BE ADDED TO THIS STATEMENT ON
MONDAY...INCLUDING A MAP OF THE DAMAGE SWATH AND PICTURES.



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