Alert archive / Washington / Red Flag Warnings in 2011

Red Flag Warning 1, NWS Spokane, WA

August 17, 2011

NWS Spokane, WA issued this red flag warning at Aug 17, 2011, 3:19 AM PDT. It took effect at Aug 17, 2011, 1:00 PM PDT. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 17, 2011, 3:19 AM PDT (10:19 UTC)
In effect from
Aug 17, 2011, 1:00 PM PDT
Expired
Aug 17, 2011, 8:00 PM PDT
In force
7 hr
Issued by
NWS Spokane, WA

The text

As transmitted, in the capitals the NWS used until 2016.

988 
WWUS86 KOTX 171019
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
319 AM PDT WED AUG 17 2011

...DRY AND BREEZY CONDITIONS ALONG THE EAST SLOPES OF THE
CASCADES THIS AFTERNOON AND EVENING...

.A DRY COLD FRONT WILL MOVE THROUGH CENTRAL WASHINGTON THIS
AFTERNOON. THE COMBINATION OF WEST WINDS BEHIND THE COLD
FRONT...CRITICALLY LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CONTRIBUTE TO THE POTENTIAL FOR RAPID FIRE GROWTH.


WAZ673-677-172100-
/O.NEW.KOTX.FW.W.0001.110817T2200Z-110818T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
319 AM PDT WED AUG 17 2011

...RED FLAG WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE 
WEATHER ZONES 673 AND 677...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 8 PM PDT
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 677 AND GRANT AND DOUGLAS
  COUNTIES IN FIRE WEATHER ZONE 673. SOME COMMUNITIES INCLUDED ARE
  WENATCHEE...CHELAN...WATERVILLE...EPHRATA...MOSES LAKE...AND
  VANTAGE.

* WIND...WEST WINDS OF 15 TO 20 MPH WITH GUSTS UP TO 30 MPH.

* HUMIDITY...RELATIVE HUMIDITY OF 12 TO 15 PERCENT ARE EXPECTED
  BETWEEN 3 PM AND 8 PM.

* IMPACTS...ANY GRASS OR BRUSH FIRES THAT DEVELOP WILL LIKELY
  SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

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 EXPLOSIVE FIRE GROWTH POTENTIAL. 

&&

$$

WAZ676-172100-
/O.NEW.KOTX.FW.W.0001.110817T2000Z-110818T0300Z/
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
319 AM PDT WED AUG 17 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE 
WEATHER ZONE 676...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM PDT
THIS EVENING. 

* AFFECTED AREA...FIRE WEATHER ZONE 676...INCLUDING THE CITY OF
  ELLENSBURG.

* WIND...WEST WIND OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 40 MPH.

* HUMIDITY...RELATIVE HUMIDITY OF 15 TO 20 PERCENT ARE EXPECTED 
  BETWEEN 1 PM AND 8 PM.

* IMPACTS...ANY GRASS OR BRUSH FIRES THAT DEVELOP WILL LIKELY
  SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

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 EXPLOSIVE FIRE GROWTH POTENTIAL. 

&&

$$
2 follow-up statements
540 
WWUS86 KOTX 171949
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1249 PM PDT WED AUG 17 2011

...DRY AND BREEZY CONDITIONS ALONG THE EAST SLOPES OF THE
CASCADES AND PARTS OF THE UPPER COLUMBIA BASIN THIS AFTERNOON
AND EVENING...

.A DRY COLD FRONT WILL MOVE THROUGH CENTRAL WASHINGTON THIS
AFTERNOON AND EVENING. THE COMBINATION OF WEST WINDS BEHIND THE COLD
FRONT... CRITICALLY LOW RELATIVE HUMIDITY...AND DRY FUELS WILL
CONTRIBUTE TO THE POTENTIAL FOR RAPID FIRE GROWTH FOR ANY BRUSH OR
GRASS FIRES. 

WAZ673-677-180300-
/O.CON.KOTX.FW.W.0001.110817T2200Z-110818T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
1249 PM PDT WED AUG 17 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 673 AND
677...

* AFFECTED AREA...FIRE WEATHER ZONE 677 AND GRANT AND DOUGLAS 
  COUNTIES IN FIRE WEATHER ZONE 673. SOME COMMUNITIES INCLUDED 
  ARE WENATCHEE...CHELAN...WATERVILLE...EPHRATA...MOSES LAKE... 
  AND VANTAGE. 

* WIND...WEST WINDS OF 15 TO 25 MPH WITH GUSTS AROUND 30 MPH.

* HUMIDITY...RELATIVE HUMIDITY OF 12 TO 15 PERCENT ARE EXPECTED 
  BETWEEN 3 PM AND 8 PM.

* IMPACTS...ANY GRASS OR BRUSH FIRES THAT DEVELOP WILL LIKELY 
  SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$

WAZ676-180300-
/O.CON.KOTX.FW.W.0001.110817T2000Z-110818T0300Z/
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
1249 PM PDT WED AUG 17 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 676...

* AFFECTED AREA...FIRE WEATHER ZONE 676...INCLUDING THE CITY OF 
  ELLENSBURG. 

* WIND...WEST WIND OF 20 TO 25 MPH WITH GUSTS AS HIGH AS 40 MPH.

* HUMIDITY...RELATIVE HUMIDITY OF 14 TO 20 PERCENT ARE EXPECTED 
  BETWEEN 1 PM AND 8 PM.

* IMPACTS...ANY GRASS OR BRUSH FIRES THAT DEVELOP WILL LIKELY 
  SPREAD RAPIDLY. OUTDOOR BURNING IS NOT RECOMMENDED.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
183 
WWUS86 KOTX 180251
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
751 PM PDT WED AUG 17 2011

...RED FLAG CONDITIONS SUBSIDING...

.WHILE WINDS WILL LIKELY REMAIN BRISK IN A FEW MORE EXPOSED
LOCATIONS FOR THE NEXT SEVERAL HOURS...RELATIVE HUMIDITY
VALUES WILL BEGIN TO RISE...AND FOR THE MOST PART...WINDS 
WILL SUBSIDE.  AS A RESULT...RED FLAG CONDITIONS ARE NOT
EXPECTED TO CONTINUE PAST 8 PM ON A WIDESPREAD BASIS.

WAZ673-677-180400-
/O.EXP.KOTX.FW.W.0001.000000T0000Z-110818T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
751 PM PDT WED AUG 17 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 673 AND 
677...

RELATIVE HUMIDITIES WILL CONTINUE TO COME UP THIS EVENING
AND WINDS WILL EVENTUALLY DIMINISH.  THIS ALLOWS THE RED FLAG
WARNING TO EXPIRE.

$$

WAZ676-180400-
/O.EXP.KOTX.FW.W.0001.000000T0000Z-110818T0300Z/
EAST WASHINGTON SOUTH CENTRAL CASCADE VALLEYS (ZONE 676)-
751 PM PDT WED AUG 17 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR 
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 676...

RELATIVE HUMIDITIES WILL CONTINUE TO COME UP THIS EVENING
AND WINDS WILL EVENTUALLY DIMINISH.  THIS ALLOWS THE RED FLAG
WARNING TO EXPIRE.

$$

Nearby

Red Flag Warnings in Washington, 2011Every red flag warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.