Public Information Statement
Issued by NWS Spokane, WA

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NOUS46 KOTX 231737
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IDZ001>004-026-027-WAZ031>038-041>044-240545-

Public Information Statement
National Weather Service Spokane WA
1037 AM PDT Sat Jul 23 2016

...TWO CONFIRMED TORNADOES IN EASTERN WASHINGTON FRIDAY JULY 22ND...

TWO EF0 TORNADOES OCCURRED ON THE AFTERNOON OF FRIDAY JULY 22ND.

TIME          EF MAG    LOCATION        COUNTY      SOURCE
1236 PM       EF-0      5 NNW MOLD      DOUGLAS     PUBLIC: FACEBOOK
 330 PM       EF-0      2 ENE AIRWAY    SPOKANE     NWS EMPLOYEE
                          HEIGHTS

* DOUGLAS COUNTY TORNADO (EF-0): TWO SEPARATELY POSTED FACEBOOK
  VIDEOS WERE USED TO ESTIMATE THE TIME AND LOCATION OF A TORNADO
  THAT OCCURRED RURAL SOUTHERN DOUGLAS COUNTY. ONE VIDEO WAS SHOT
  NEAR COULEE CITY WA APPARENTLY LOOKING WEST OR NORTHWEST.
  ANOTHER VIDEO WAS SHOT BY A FARMER 13 MILES EAST OF MANSFIELD
  WASHINGTON. THIS VIDEO APPEARED TO HAVE BEEN SHOT LOOKING EAST.
  AT THIS TIME...THERE HAVE BEEN NO REPORTS OF DAMAGE. BOTH VIDEOS
  SHOW THE TORNADO OVER AN OPEN DRYLAND WHEAT FIELD.

* SPOKANE COUNTY TORNADO (EF-0): AN OFF-DUTY NATIONAL WEATHER
  SERVICE EMPLOYEE TOOK VIDEO OF A SHORT-LIVED TORNADO THAT
  OCCURRED EAST-NORTHEAST OF AIRWAY HEIGHTS WASHINGTON. A SECOND
  OFF-DUTY NATIONAL WEATHER SERVICE EMPLOYEE REPORTED SEEING ROOF
  DAMAGE (SHEET METAL) TO AN OUTBUILDING NEAR THE INTERSECTION OF
  FLINT ROAD AND WEST GREENWOOD ROAD WHICH IS APPROXIMATELY 2
  MILES EAST-NORTHEAST OF AIRWAY HEIGHTS WASHINGTON.

* THE ENHANCED F-SCALE (EF SCALE) WAS DEVELOPED BY A TEAM OF
  METEOROLOGISTS AND WIND ENGINEERS TO ESTIMATE WIND SPEED FROM
  OBSERVED WIND DAMAGE. EF-0 IS DEFINED AS WIND GUSTS BETWEEN 65
  AND 85 MPH. SHEET METAL DAMAGE TO FARM OUTBUILDINGS FALLS UNDER
  THE EF-0 RATING FOR THE SPOKANE COUNTY TORNADO. SINCE NO
  STRUCTURAL DAMAGE OCCURRED WITH THE TORNADO IN DOUGLAS
  COUNTY...IT WAS ASSIGNED AN EF-0 RATING BY DEFAULT.

* THE LINE OF THUNDERSTORMS THAT SPAWNED THE BRIEF TORNADO IN
  SPOKANE COUNTY INTENSIFIED AND PRODUCED STRAIGHT-LINE WIND
  DAMAGE OVER PORTIONS OF THE NORTH SPOKANE METRO. BETWEEN 4 PM
  AND 430 PM...DAMAGE TO TREES AND POWERLINES OCCURRED IN THE
  MEAD...GREEN ACRES...AND WANDERMERE AREAS. HAIL TO THE SIZE OF
  NICKELS AND WALNUTS WERE ALSO REPORTED WITH THIS LINE OF
  THUNDERSTORMS AS IT MOVE THROUGH THE CITY OF SPOKANE AND ITS
  NORTHERN SUBURBS.

* THE STATE OF WASHINGTON AVERAGES ABOUT 2 TORNADOS A YEAR
  ACCORDING TO THE STORM EVENTS DATABASE MAINTAINED BY THE
  NATIONAL WEATHER SERVICE AND THE NATIONAL CLIMATE DATA CENTER.

$$


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