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Weather Alert Detail

  • Fire Weather Watch for East Slopes Northern Cascades County, Washington
  • Fire Weather Watch issued September 12 at 3:51AM PDT until September 13 at 9:00PM PDT by NWS
  • Effective: Saturday, September 12, 2015 at 3:51 a.m.
  • Expires: Sunday, September 13, 2015 at 9 p.m.
  • ...RED FLAG WARNING FOR WINDS AND LOW HUMIDITY LATE THIS AFTERNOON
    AND SUNDAY FOR THE KITTITAS VALLEY. A FIRE WEATHER WATCH REMAINS
    IN EFFECT FOR THE WENATCHEE AREA...COLUMBIA BASIN...WEST PLAINS
    AND PALOUSE SUNDAY...
    .WARM AND DRY CONDITIONS WILL BE IN PLACE TODAY AND SUNDAY. WINDS
    WILL INCREASE THROUGH THE CASCADE GAPS THIS AFTERNOON AND EVENING
    WITH THE STRONGEST SPEEDS CHANNELING THROUGH THE KITTITAS VALLEY.
    WINDS CONTINUE TO INCREASE AND SPREAD INTO THE COLUMBIA BASIN ON
    SUNDAY. THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL BRING
    THE POTENTIAL FOR RAPID FIRE GROWTH ON ANY NEW IGNITIONS OR
    ONGOING WILDFIRES.
    ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
    THROUGH SUNDAY EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
    CASCADE VALLEYS...COLUMBIA BASIN...PALOUSE...AND WEST PLAINS...
    * AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN
    COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 674 EAST
    WASHINGTON PALOUSE AND SPOKANE AREA (ZONE 674) AND FIRE
    WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE
    677).
    * WINDS: WEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH.
    * RELATIVE HUMIDITIES: 14 TO 20 PERCENT.
    * IMPACTS: DRY CONDITIONS WITH GUSTY WINDS CAN RESULT IN RAPID
    FIRE GROWTH. ADDITIONALLY THE ATMOSPHERE WILL BE SOMEWHAT
    UNSTABLE WITH A HIGH LEVEL HAINES INDEX OF 5 (MODERATE) WHICH
    CAN ALSO BE A CONTRIBUTOR FOR RAPID FIRE GROWTH.