NWS
St. Louis, Missouri

November 27th, 2005 Severe Weather Event
Downburst Winds and an Isolated Tornado
in Maplewood, Missouri

Radar and Analysis:
   
Radar Reflectivity
from WSR-88D KLSX
(image loop)
Damage Photos from the Maplewood, MO Area Damage Map of Downburst Winds and an Isolated Tornado Across Maplewood, MO    
     
Radar Reflectivity
from WSR-88D KLSX
at 11:02 pm CST
Radar Velocity
from WSR-88D KLSX
at 11:02 pm CST
     
     
Radar Reflectivity
from WSR-88D KLSX
at 11:07 pm CST
Radar Velocity
from WSR-88D KLSX
at 11:07 pm CST
   
 
Damage Assessment:

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ST. LOUIS MO
930 PM CST MON NOV 28 2005

...PRELIMINARY DAMAGE ASSESSMENT FOR PARTS OF ST. LOUIS COUNTY FROM LATE SUNDAY EVENING'S SEVERE WEATHER EVENT...

A DAMAGE ASSESSMENT WAS COMPLETED BY PERSONNEL FROM THE NATIONAL WEATHER SERVICE IN ST. LOUIS INVESTIGATING DAMAGE WHICH OCCURRED LATE SUNDAY EVENING OVER PARTS OF ST. LOUIS COUNTY. THE DAMAGE ALONG AND NEAR SOUTH HANLEY ROAD BETWEEN INTERSTATE 64 AND MANCHESTER ROAD WAS PRODUCED BY A TORNADO.

BETWEEN 1105 AND 1110 PM CST A TORNADO INITIALLY TOUCHED DOWN 0.3 MILES NORTH OF THE INTERSECTION OF MANCHESTER AND SOUTH HANLEY ROAD IN MAPLEWOOD MISSOURI. THE TORNADO DAMAGED A LARGE UTILITY POLE BLOCKING THE SOUTHBOUND LANE OF SOUTH HANLEY ROAD. THE TORNADO THEN DAMAGED PARTS OF THE ROOF OF THE RED LOBSTER RESTAURANT. DEBRIS FROM THE ROOF WAS THROWN APPROXIMATELY 50 TO 70 YARDS TO THE NORTH. METAL FENCING AROUND THIS ESTABLISHMENT SUGGESTED A CONVERGENT DAMAGE PATTERN. THE TORNADO THEN CAUSED MINOR ROOF DAMAGE AND DAMAGE TO A CONDENSER AT THE APPLEBEES RESTAURANT. THE TORNADO THEN SKIPPED ACROSS A LARGE PARKING LOT MOVING SEVERAL VEHICLES AND THEN CAUSED WINDOW DAMAGE TO THE ENTRANCE WAY OF WALMART. A SEMI WAS ALSO OVERTURNED IN THIS AREA.

THE LENGTH OF THE TORNADIC DAMAGE TRACK WAS 0.5 MILES WHILE THE WIDTH OF THE DAMAGE AREA WAS 40 YARDS. THE DAMAGE INTENSITY WAS RATED F(0).

ISOLATED TREE DAMAGE WAS UNCOVERED FROM WEBSTER GROVES (BIG BEND AND LOCKWOOD) TO THE BEGINNING OF THE TORNADIC DAMAGE TRACK. A FEW HOMES WERE DAMAGED BY FALLEN LARGE LIMBS AND TREES.

THIS TORNADO IS REFFERED TO AS A NON-SUPERCELL TORNADO WHICH FORMED WITHIN A CONVECTIVE LINE SEGMENT. THE PARENT CIRCULATION WHICH SPAWNED THIS TORNADO WAS MOVING NORTH AT AN APPROXIMATE SPEED OF 60 MPH OVER THE WEBSTER GROVES...MAPLE WOOD AREA.

PRZYBYLINSKI
 

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