Damage in Nebraska from 06/27

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY
842 PM CDT SAT JUN 28 2008

…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.

MAYES/SMITH

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About Putnam Reiter

Putnam has been storm chasing since 1990 and is a co-founder of Hook-Echo.com. For his day job, Putnam works in emergency management for information technology.
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