National Weather Service Raw Text Product

088 
NOUS46 KSTO 231818 CCA
PNSSTO

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1120 AM PDT TUE OCT 23 2012

...INFORMATION FROM DAMAGE SURVEY FOR THE YUBA CITY TORNADO...

THE NATIONAL WEATHER SERVICE CONDUCTED A DAMAGE SURVEY IN THE SOUTH 
YUBA CITY AREA IN THE EARLY EVENING ON OCTOBER 22 2012. EYE 
WITNESSES...VIDEO EVIDENCE...AND RESULTS FROM THE DAMAGE SURVEY 
CONFIRMED AN EF 1 TORNADO. THE GREATEST DAMAGE INDICATED A LOWER 
BOUND WIND SPEED OF 88 MPH AND AN UPPER BOUND OF 128 MPH...WITH THE 
MOST LIKELY VALUE BEING ABOUT 100 MPH.

THE TORNADO INITIALLY TOUCHED DOWN IN THE MALLARD LAKE GOLF CENTER 
GOLF COURSE JUST OFF HIGHWAY 99 AROUND 3 PM PDT...AND PROCEEDED IN A 
NORTHEAST DIRECTION FOR ABOUT 2 MILES TOWARDS OSWALD AND BARRY ROADS 
AND NORTH OF BARRY ROAD ALONG RAILROAD AVE TOWARDS TUSCAN ROAD... 
INTERMITTENTLY TOUCHING DOWN ALONG THE WAY.   

THE TORNADO DAMAGED SEVERAL TREES OF VARIOUS SIZES ON THE MALLARD 
LAKE GOLF CENTER GOLF COURSE. THE MOST EXTENSIVE DAMAGE WAS TO A 2 
TO 2 1/2 FOOT DIAMETER SOFTWOOD TREE WHICH SNAPPED NEAR THE GROUND. 

THE TORNADO NEXT TOUCHED DOWN LESS THAN A HALF MILE NORTHEAST OF THE 
MALLARD LAKE GOLF CENTER...CAUSING TREE...ROOF...AND PROPERTY DAMAGE 
TO ABOUT 3 TO 4  HOMES IN THE AREA. SEVERAL TREE BRANCHES WERE 
SNAPPED...2 SECTIONS OF AN IRON FENCE WERE BROKEN OFF...A SMALL 
OPEN-BOW BOAT WAS LIFTED AND BLOWN ABOUT 100 FEET...AND A 10 FOOT BY 
10 FOOT STRUCTURE WAS PULLED OUT OF THE GROUND AND TURNED UPSIDE 
DOWN. 

ANOTHER QUARTER TO HALF MILE NORTHEAST...THE TORNADO DAMAGED SEVERAL 
METAL DOORS AT THE BONANZA SEED PLANT...DAMAGED A 12 FOOT BY 18 FOOT 
GREENHOUSE...AND BROKE NUMEROUS BRANCHES OR FULLY SNAPPED ABOUT 
30 TO 40 SMALL WALNUT AND PEACH TREES IN A NEARBY ORCHARD. 
LASTLY...AFTER DRIFTING ANOTHER QUARTER MILE NORTHEASTWARD...THE 
TORNADO DAMAGED A CAR PORT...KNOCKED DOWN A SECTION OF WOODEN 
FENCE...AND REMOVED A FEW ASPHALT SHINGLES FROM A RESIDENCE.     
 

$$

JHM/DVC