NWS
St. Louis, Missouri

February 5th, 2008 Severe Weather Event
Affecting Fayette and Marion Counties in Illinois

Radar and Damage Analysis:
Coming Soon
Damage Survey Assessment Analysis:
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1148 PM CST THU FEB 7 2008

...DAMAGE SURVEY IN SOUTHEAST FAYETTE AND MARION COUNTIES...

NATIONAL WEATHER SERVICE PERSONNEL SURVEYED STORM DAMAGE FROM TUESDAY EVENING`S STORMS OVER PARTS OF SOUTHEAST FAYETTE AND MARION COUNTIES IN SOUTH CENTRAL ILLINOIS.

THE DAMAGE APPEARED TO BE CAUSED BY A LARGE SWATH OF DAMAGING DOWNBURST (STRAIGHT-LINE) WINDS EXTENDING FROM ST. PETER ILLINOIS THROUGH FARINA TO APPROXIMATELY 6 MILES SOUTHEAST OF FARINA IN NORTHEAST MARION COUNTY. SURFACE WINDS WERE ESTIMATED BETWEEN 65 AND 80 MPH. TWO LARGE MACHINE SHEDS 1.5 MILES EAST OF ST. PETER SUSTAINED VARYING DEGREES OF DAMAGE WITH DEBRIS EXTENDING AROUND 100 YARDS TO THE EAST SOUTHEAST. APPROXIMATELY 1/2 MILE NORTHWEST OF FARINA AN EXPANSION ROOF OVER THE GYMNASIUM AND LIBRARY AT SOUTH CENTRAL HIGH SCHOOL IN SOUTHEAST FAYETTE COUNTY WAS DAMAGED BY THE WIND STORM. MUCH OF THE ROOF SHEATHING BUCKLED IN THE HIGH WINDS. A BASKETBALL GAME WAS BEING PLAYED IN THE GYM AT THE TIME THE HIGH WINDS STRUCK...BUT FORTUNATELY NO INJURIES WERE REPORTED.

PART OF THE ROOF OF ANOTHER MACHINE SHED WAS UPLIFTED AND TOSSED OVER HIGHWAY 37 ON THE SOUTH SIDE OF FARINA. ALONG THE EAST SIDE OF FARINA...PARTS OF A LARGE GRAIN BIN WERE ALSO DAMAGED BY THE HIGH WINDS. THE WIND DAMAGE CONTINUED TO THE SOUTHEAST OF FARINA WHERE A A THIRD LARGE MACHINE SHED APPROXIMATELY 1.5 MILES EAST SOUTHEAST OF FARINA WAS COMPLETELY DESTROYED WITH DEBRIS TOSSED APPROXIMATELY 100 YARDS. TREE DAMAGE WAS ALSO NOTED AT THIS LOCATION.

SEVERAL WITNESSES AT THE HIGH SCHOOL INDICATED THE THAT DAMAGING WINDS BEGAN AROUND 620 PM AND LASTED BETWEEN 10 TO 15 MINUTES...WHICH IS QUITE UNUSUAL FOR SEVERE THUNDERSTORMS. PEOPLE WHO WITNESSED THE MACHINE SHED DAMAGE ALSO MENTIONED THAT THE DAMAGING WINDS LASTED BETWEEN 10 TO 15 MINUTES.

OTHER LARGE LIMB AND TREE DAMAGE OCCURRED IN KINMUNDY ILLINOIS. WINDS WERE ESTIMATED BETWEEN 55 AND 65 MPH.

THE OVERALL DAMAGE PATH FROM THE DOWNBURST WINDS WAS AROUND 10 MILES IN LENGTH AND APPROXIMATELY 5 MILES WIDE.

IN SOUTH CENTRAL AND SOUTHEAST MARION COUNTY SEVERAL STURDY PINE TREES WERE SNAPPED OVER OR AT THE BASE ACROSS THE GROUNDS OF THE MOUNT MORIAH CHURCH ALONG MOUNT MORIAH ROAD ONE MILE NORTH OF HIGHWAY 161. THE DAMAGE PATTERN OF THE FALLEN PINE TREES AND SURROUNDING LONG GRASS INDICATED A LOCALIZED MICROBURST WHICH PRODUCED WINDS OF 60 TO 70 MPH AROUND 610 PM.

AN OIL TANK ONE QUARTER MILE NORTH FROM HIGHWAY 161 ON MOUNT MORIAH ROAD WAS STRUCK BY LIGHTNING AND SPLIT INTO TWO RESULTING IN AN EXTENSIVE OIL SPILL ACROSS ADJACENT FIELDS.

THE GREATEST DEGREE OF DAMAGE CONSISTED OF TWO MACHINE SHEDS ALONG MEDLIN ROAD SOUTH OF HIGHWAY 161. THE FIRST MACHINE SHED LOCATED 1/2 MILE SOUTH OF HIGHWAY 161 WAS HIT BY A TORNADO AND SUSTAINED HEAVY DAMAGE. SIGNIFICANT PIECES OF THE ROOF WERE STREWN ONE QUARTER MILE TO THE SOUTHEAST OF THE SHED. AN ADJACENT ABANDONED HOUSE HAD TWO UPROOTED TREES LAID TO THE EAST ACROSS ITS ROOF. THE PATH LENGTH OF THIS TORNADO WAS OVER 1/4 MILE WHILE PATH WIDTH WAS 30 YARDS. DAMAGE INTENSITY WAS EF0 ON THE ENHANCED FUJITA SCALE.

THE SECOND MACHINE SHED A MILE SOUTH ON MEDLIN WAS HIT BY A SECOND TORNADO AND SUSTAINED HEAVY DAMAGE. THE NORTH...WEST...AND SOUTH FACES OF THE MACHINE SHED BUCKLED AND COLLAPSED...WHILE AN ATTACHED UNSECURED AWNING WAS COMPLETELY UPTURNED AND STREWN TO THE SOUTHEAST. THE ENTIRE ROOF WAS UPENDED AND SPREAD OVER A DISTANCE OF 100 YARDS TO THE SOUTHEAST INTO THE ADJACENT WOODS. THE OVERALL LENGTH OF THE TORNADIC DAMAGE WAS 200 YARDS WHILE THE DAMAGE WIDTH WAS 40 YARDS. DAMAGE INTENSITY WAS RATED EF0.

PERSONAL ACCOUNTS FROM A FAMILY OF FOUR WHO WERE PRESENT INSIDE THE SHED DURING ITS DESTRUCTION STATED WINDS WERE INITIALLY OUT OF THE SOUTHWEST BEFORE THE DESTRUCTION OF THE MACHINE SHED. THE NORTH FACING GARAGE DOOR...IN THE CLOSED POSITION...WAS TORN THROUGH THE ROOF AND DEPOSITED SEVERAL FEET SOUTHEAST OF THE SHED. THE SOUTH FACING WALL WAS TORN AND LAID TO THE SOUTHEAST 180 DEGREES FROM ITS INITIAL POSITION. LUCKILY NO INJURIES OCCURED AND TIME OF THE EVENTS WERE ESTIMATED BY THE FAMILY TO HAVE TAKEN PLACE AROUND 610 TO 615 PM.

LIMB AND TREE DAMAGE WAS OBSERVED ACROSS MUCH OF SOUTHERN AND SOUTHWESTERN MARION COUNTY WITH THE PRIMARY DIRECTION OF THE FALLEN TREES TO THE EAST-NORTHEAST.

THE STORM THAT SPAWNED THE WEAK TORNADOES AND WIND DAMAGE OVER SOUTHERN MARION COUNTY IF REFERRED TO AS A HIGH-PRECIPITATION SUPERCELL.

EF0: 65 - 85 MPH
EF1: 86 - 110 MPH
EF2: 111- 135 MPH
EF3: 136- 165 MPH
EF4: 166- 200 MPH
EF5: > 200 MPH

$$

SIPPRELL/PRZYBYLINSKI

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