Final Tornado Report Issued By NWS
Saturday, January 12, 2008
Tornado lifts up for traffic as it travels over NE 78th St and I -5.
PUBLIC INFORMATION STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PORTLAND OR
540 PM PST FRI JAN 11 2008
...FINAL STORM REPORT FOR VANCOUVER/HAZEL DELL TORNADO ON JAN 10...
A SEVERE THUNDERSTORM MOVED THROUGH CLARK COUNTY IN SOUTHWEST
WASHINGTON ON THURSDAY JANUARY 10 2008 AND SPAWNED A TORNADO. THE
TORNADO TOUCHED DOWN APPROXIMATELY 1215 PM NEAR VANCOUVER LAKE THEN
MOVED EAST INTO HAZEL DELL WA. THE TORNADO CONTINUED EASTWARD
TO HOCKINSON WA WITH MULTIPLE TOUCHDOWNS. THE TORNADO WAS
APPROXIMATELY 1/4 MILE WIDE WITH A PATH LENGTH OF NEARLY 10
MILES...WITH MULTIPLE TOUCHDOWNS. A POST STORM DAMAGE SURVEY
REVEALED THERE WAS A TOUCHDOWN OF THE TORNADO NEAR HOCKINSON
WA AROUND 1240 PM.
THE MAJORITY OF THE DAMAGE WAS FOUND NEAR THE BOAT LANDING ON THE
EAST SIDE OF VANCOUVER LAKE...WHICH CONTINUED EASTWARD INTO HAZEL
DELL ALONG SLUMAN ROAD. THE STORM ALSO PRODUCED QUITE A BIT OF HAIL
JUST NORTH OF THE PATH OF THE TORNADO. SOME REPORTS FROM TRAINED
WEATHER SPOTTERS INDICATE THAT THE HAIL WAS AS LARGE AS PENNY SIZED
OR ABOUT THREE-QUARTERS OF AN INCH IN DIAMETER. REPORTS FROM THE
PRINT MEDIA ALSO INDICATED HAIL WAS SEVERAL INCHES DEEP IN THE
VICINITY OF 2800 BLOCK OF NW 93RD STREET IN HAZEL DELL.
AFTER A DAMAGE SURVEY ASSESSMENT BY NATIONAL WEATHER SERVICE
STAFF...THE TORNADO WAS RATED AS AN EF-1 ON THE ENHANCED FUJITA
SCALE WITH ESTIMATED PEAK WIND SPEEDS OF 90 TO 110 MPH.
DAMAGE REPORTS ALONG THE PATH INCLUDE THE FOLLOWING:
- 200 PLUS TREES DOWN....MOST OF THE TREES WERE 12 TO 24
INCHES IN DIAMETER THAT WERE SNAPPED OFF. APPROXIMATELY
6 TREES WERE IN EXCESS OF 36 INCHES IN DIAMETER. THE LARGEST
TREE TOPPLED WAS 50 INCHES IN DIAMETER. SOME OF THE FALLEN
TREES RESULTED IN DAMAGE TO HOMES AND VEHICLES.
- 30 TO 40 HOMES DAMAGED...PRIMARILY ROOF DAMAGE...THOUGH SOME
BROKEN WINDOWS WERE OBSERVED AS WELL AS SHINGLE DAMAGE.
- 19 POWER POLES WERE SNAPPED OFF.
- DAMAGED 2 HVAC SYSTEMS ON A LARGE RETAIL STORE
- 3 LIGHTLY CONSTRUCTED STRUCTURES WERE DESTROYED
- A SEMI TRAILER WAS TIPPED OVER.
- HAIL SEVERAL INCHES DEEP IN A SMALL NEIGHBORHOOD IN HAZEL DELL
- STRUCTURE DAMAGE TO BOAT CLUB HOUSE NEAR VANCOUVER LAKE
- SEVERAL DOZEN SCULLING BOATS DAMAGED NEAR VANCOUVER LAKE
- DAMAGED AWNINGS AND SIDINGS TO OVER TWO DOZEN MOBILE HOMES
- DAMAGE TO FARM BUILDINGS NEAR HOCKINSON
- GARDEN/PATIO BUILDING DESTROYED NEAR HOCKINSON
THIS WILL BE THE FINAL STATEMENT FOR THIS EVENT.
-- posted by Pat Timm @ 5:12 PM,
