Intermittent Track Tornadoes Monday Evening Across Cass County

...TWO EF0 TORNADOES OCCURRED OVER CASS COUNTY MONDAY EVENING...

THE FOLLOWING IS A FINAL ASSESSMENT FOR THE DAMAGE THAT OCCURRED OVER
CASS COUNTY ON MARCH 23 2009.

* EVENT DATE: MARCH 23 2009
* ESTIMATED START TIME: 810 PM CDT
* EVENT TYPE: TWO EF0 TORNADOES
* EVENT LOCATION: FROM AROUND 3 MILES EAST-SOUTHEAST OF LYMAN TO ABOUT
2 MILES WEST OF CUMBERLAND...AND THEN ANOTHER SHORT
TRACK ABOUT 2 MILES SOUTH OF WIOTA

* PEAK WIND: 85 MPH
* AVERAGE PATH WIDTH: 25 TO 50 YARDS
* PATH LENGTH: APPROXIMATELY 5 MILES FOR FIRST TORNADO...AND ABOUT 1 MILE
FOR THE SECOND.

* INJURIES: NONE
* FATALITIES: NONE
* DISCUSSION/DAMAGE: OBSERVED NARROW TRACKS WITH MINOR ROOF...GRAIN BIN...
TREE...AND OUTBUILDING DAMAGE.

&&

FOR REFERENCE...THE ENHANCED FUJITA TORNADO SCALE CLASSIFIES
TORNADOES INTO THE FOLLOWING CATEGORIES:

EF0...WIND SPEEDS 65 TO 85 MPH.
EF1...WIND SPEEDS 86 TO 110 MPH.
EF2...WIND SPEEDS 111 TO 135 MPH.
EF3...WIND SPEEDS 136 TO 165 MPH.
EF4...WIND SPEEDS 166 TO 200 MPH.
EF5...WIND SPEEDS GREATER THAN 200 MPH.
 

Image depicting intermittent tornado track across Cass County, IA from Mar. 23, 2009.  Click for a  larger image.

(Click image to enlarge)



Return to Latest News

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.