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Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE KOTX
900 PM PDT FRI JUL 3 2015

...GUSTY WINDS AND LOW RELATIVE HUMIDITY SATURDAY FOR THE
OKANOGAN VALLEY...HIGHLANDS...WATERVILLE PLATEAU AND WESTERN
PORTIONS OF COLUMBIA BASIN...

.GUSTY WINDS WILL COMBINE WITH A DRY AIR MASS TO PRODUCE A
POTENTIALLY DANGEROUS WILDFIRE ENVIRONMENT SATURDAY. WINDS WILL
SWITCH AROUND THE NORTH SATURDAY AND BLOW ACROSS THE OKANOGAN
COUNTY AND DOWN THE WATERVILLE PLATEAU INTO THE WESTERN COLUMBIA
BASIN AS A FRONTAL PASSAGE MOVES THROUGH.

WAZ673-684-687-041415-
/O.CON.KOTX.FW.W.0007.150704T1900Z-150705T0500Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684)-
EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687)-
900 PM PDT FRI JUL 3 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 10 PM PDT
SATURDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR OKANOGAN
VALLEY AND HIGHLANDS...WATERVILLE PLATEAU AND WESTERN COLUMBIA
BASIN...

* AFFECTED AREA: FIRE WEATHER ZONE 673 EAST WASHINGTON NORTHERN
  COLUMBIA BASIN (ZONE 673)...FIRE WEATHER ZONE 684 EAST
  WASHINGTON OKANOGAN/METHOW VALLEYS (ZONE 684) AND FIRE WEATHER
  ZONE 687 EAST WASHINGTON OKANOGAN HIGHLANDS (ZONE 687).

* WINDS: NORTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. WINDS
  WILL BE BREEZY THROUGHOUT THE DAY BUT PEAK SPEEDS LOOK TO COME
  IN TWO BURSTS...ONCE DURING THE MORNING HOURS AND A SECOND
  WITH A DRY COLD FRONT PASSAGE IN THE EVENING BETWEEN 1700 AND
  2200 PDT.

* RELATIVE HUMIDITIES: 12 TO 19 PERCENT.

* IMPACTS: RAPID FIRE SPREAD IS POSSIBLE WITH EXISTING FIRES OR
  NEW FIRE STARTS IN THE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXTREME FIRE GROWTH POTENTIAL.

&&

$$



Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
217 PM PDT FRI JUL 3 2015

WAZ034-035-038-041>044-042130-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-OKANOGAN HIGHLANDS-
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
217 PM PDT FRI JUL 3 2015

This Hazardous Weather Outlook is for portions of Central
Washington...East Central Washington and North Central
Washington.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A hot and dry airmass is over the region. High temperatures in
the upper 90s to 104 degrees will be common in the lowest
elevations of the Central Basin, along the Columbia river through
Wenatchee and into the Okanogan Valley. Increasing northwest winds
will be a concern for wildfire suppression.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Saturday and Sunday...gusty north winds will be a concern for
wildfire suppression, especially as conditions remain hot and dry.

$$




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Page last modified: May 16, 2007
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