...STRAIGHT LINE WIND DAMAGE CONFIRMED IN LAKE COUNTY ILLINOIS...

NATIONAL WEATHER SERVICE METEOROLOGISTS SURVEYED DAMAGE IN LAKE
COUNTY, IL WHICH WAS SUSTAINED FROM THUNDERSTORMS ON JUNE 21,
2011. DAMAGE WHICH OCCURRED IN WAUKEGAN WAS DETERMINED TO BE FROM
STRAIGHT LINE WINDS. MULTIPLE TREE DAMAGE WAS OBSERVED JUST WEST
OF THE DOWNTOWN AREA, WITH SEVERAL HARDWOOD TREES BLOWN OVER TO
THE NORTHEAST IN A DIVERGENT ORIENTATION. THE LARGEST OF THE TREES
WERE 3-5 FOOT IN DIAMETER WITH MOST OF THE OTHER DAMAGE CONSISTING
OF 3-6 INCH LIMBS DOWN.

AREAS TO THE SOUTH ALONG ROUTE 43 TOWARDS DEERFIELD WERE ALSO
SURVEYED WITH ONCE AGAIN MOST AREAS SUSTAINING TREE DAMAGE, WITH
ONCE AGAIN STRAIGHT LINE WIND DAMAGE THE CAUSE. WIDESPREAD DAMAGE
OF 3-6 INCH LIMBS DOWN WAS OBSERVED WITH LOCALIZED POCKETS OF
ENHANCED TREE DAMAGE. ONE LOCATION WHICH OBSERVED THIS ENHANCED
DAMAGE WAS NEAR BANNOCKBURN, JUST NORTH OF THE DEERFIELD HIGH
SCHOOL. LARGE HEALTHY HARDWOOD TREES WERE BLOWN OVER TO THE
NORTHEAST WITH SEVERAL SOFTWOOD TREES UPROOTED. THIS TREE DAMAGE
ALSO AFFECTED AN ATHLETIC GYM WHERE A PORTION OF THE TREE
COLLAPSED UPON A LIGHT POLE, KNOCKING IT COMPLETELY OVER.