Damage Survey From Severe Weather on Monday, October 2, 2006

Damage Survey from Severe Weather on Monday, October 2, 2006

PUBLIC INFORMATION STATEMENT 
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
957 PM CDT TUE OCT 3 2006

...DAMAGE SURVEY FROM SEVERE WEATHER OF MONDAY OCT 2...

ON TUESDAY OCTOBER 3RD...METEOROLOGISTS FROM THE NATIONAL WEATHER 
SERVICE SURVEYED STORM DAMAGE FROM SEVERE THUNDERSTORMS THAT 
OCCURRED MONDAY. THE AREAS SURVEYED INCLUDED HICKORY 
HILLS...BRIDGEVIEW AND PALOS HILLS IN SOUTHERN COOK COUNTY...AND IN 
CENTRAL WILL COUNTY BETWEEN MANHATTAN AND PEOTONE.

THE MOST SIGNIFICANT STRUCTURAL DAMAGE WAS OBSERVED IN HICKORY HILLS 
AND BRIDGEVIEW. AT THE INTERSECTION OF ROBERTS ROAD AND 97TH STREET 
IN HICKORY HILLS...A LARGE SECTION OF THE GYMNASIUM ROOF OF CONRADY 
JUNIOR HIGH SCHOOL WAS BLOWN INTO A PARKING LOT ON THE SOUTH SIDE OF 
THE BUILDING...OVERTURNING A SERVICE VAN WHICH WAS IN THE PARKING 
LOT. DEBRIS AND INSULATION WAS ALSO CARRIED INTO HOUSES IMMEDIATELY 
ACROSS THE STREET TO THE SOUTH OF THE SCHOOL. SEVERAL HOMES ALONG 
97TH STREET RECEIVED DAMAGE FROM FALLING TREES AND TREE LIMBS. TREE 
DAMAGE...AS WELL AS ADDITIONAL MINOR STRUCTURAL DAMAGE WAS NOTED FOR 
SEVERAL BLOCKS ON THE SOUTH AND SOUTHEAST SIDES OF HICKORY HILLS.

IN BRIDGEVIEW...STRUCTURAL DAMAGE WAS NOTED TO WAREHOUSE BUILDINGS 
IN AN INDUSTRIAL PARK ALONG 100TH PLACE...WEST OF HARLEM AVENUE. ONE 
BUILDING OF CINDER BLOCK CONSTRUCTION WITH A BRICK FACADE SUFFERED 
PARTIAL COLLAPSE OF THE NORTH AND EAST WALLS. ADDITIONAL MINOR 
DAMAGE WAS NOTED AT BRIDGEVIEW FIRE STATION NUMBER 2...ALSO ALONG 
100TH PLACE. 

IN CENTRAL WILL COUNTY...SIGNIFICANT DAMAGE WAS OBSERVED TO A LARGE 
METAL GRAIN SILO...ALONG US ROUTE 45 ROUGHLY 5 MILES SOUTHEAST OF 
MANHATTAN. SIGNIFICANT STRUCTURAL DAMAGE TO A LARGE METAL POLE BARN 
WAS OBSERVED APPROXIMATELY 4 MILES EAST OF MANHATTAN.

THE DEBRIS SPREAD FROM ALL OF THESE LOCATIONS APPEARED TO BE THE 
RESULT OF STRAIGHT LINE WINDS FROM THE NORTH...WITH THE STRUCTURAL 
DAMAGE SUGGESTIVE OF WIND SPEEDS IN A RANGE FROM 80 TO 110 MPH. THIS 
WAS LIKELY THE RESULT OF A MICROBURST ALONG THE LEADING EDGE OF A 
LINE OF SEVERE THUNDERSTORMS WHICH MOVED FROM NORTH TO SOUTH ACROSS 
THE AREA THE EVENING OF OCTOBER 2ND.

MANY OTHER AREAS ACROSS NORTHEAST ILLINOIS AND NORTHWEST INDIANA 
RECEIVED TREE DAMAGE AND FLOODING MONDAY EVENING. ESPECIALLY HARD 
HIT AREAS INCLUDED PORTIONS OF CREST HILL AND JOLIET IN WILL COUNTY 
WHERE EXTENSIVE TREE DAMAGE OCCURRED.

$$

RATZER/HALBACH

HERE ARE SOME PICTURES TAKEN FROM THE STORM SURVEY ON TUESDAY.

Roof damage at Conrady Jr. High School
Damage from a roof blown off of the gymnasium at Conrady Jr. High School in Hickory Hills. The roof blew onto a service van that was parked on the south side of the building. The windshield of the van is visible through a hole that was cut by emergency workers to get to the people stuck inside the van.

Trees blown down in Hickory Hills
Pine trees were blown over all along 97th St near the Junior High School in Hickory Hills. Most of the other trees had large limbs and branches blown out of them and onto houses or property.

Roof damage from debris
Debris from the Junior High School was scattered all along 97th St. Most roofs had some sort of damage.

Tree down on top of power lines
Trees were blown onto power lines all over northeastern Illinois and thousands of people were still without power on Tuesday.

Hole blown into north side of building
Wind blew a hole through a building in Bridgeview. Wall is facing the north.

East side of the building in Bridgeview with wall collapsed
East side of the same building in the last picture. Cinder block wall is blown out from winds.

Silo damage between Manhattan and Peotone
Empty silo blown down at a grain elevator in between Manhattan and Peotone.

Halbach/Ratzer Updated 10/4/06