Alert archive / Washington / Red Flag Warnings in 2012

Red Flag Warning 8, NWS Spokane, WA

August 23, 2012

NWS Spokane, WA issued this red flag warning at Aug 23, 2012, 11:37 AM PDT. It took effect at Aug 23, 2012, 4:00 PM PDT. It was in force for 4 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 23, 2012, 11:37 AM PDT (18:37 UTC)
In effect from
Aug 23, 2012, 4:00 PM PDT
Expired
Aug 23, 2012, 8:00 PM PDT
In force
4 hr
Issued by
NWS Spokane, WA

The text

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

787 
WWUS86 KOTX 231837
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1137 AM PDT THU AUG 23 2012

...DRY COLD FRONT WILL BRING WINDY CONDITIONS THIS EVENING...

.A DRY COLD FRONT WILL PASS THROUGH THE REGION EARLY THIS EVENING
PROMOTING WINDY AND GUSTY CONDITIONS IN THE WENATCHEE AREA AND
WATERVILLE PLATEAU. THESE WINDS WILL BEGIN BEFORE RELATIVE
HUMIDITIES APPRECIABLY RECOVER...PRODUCING CRITICAL FIRE WEATHER
CONDITIONS. WHILE GUSTY CONDITIONS WILL CONTINUE THROUGH MUCH OF
THE NIGHT...RELATIVE HUMIDITIES WILL RECOVER ABOVE CRITICAL
THRESHOLDS AFTER 8 PM THIS EVENING.

WAZ673-677-240245-
/O.NEW.KOTX.FW.W.0008.120823T2300Z-120824T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
1137 AM PDT THU AUG 23 2012

...RED FLAG WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 8 PM
PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST
CENTRAL CASCADE VALLEYS AND THE WATERVILLE PLATEAU...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A RED FLAG
WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT
FROM 4 PM THIS AFTERNOON TO 8 PM PDT THIS EVENING.

* AFFECTED AREA: THE WATERVILLE PLATEAU PORTION OF FIRE WEATHER
  ZONE 673 EAST WASHINGTON NORTHERN COLUMBIA BASIN...AND FIRE
  WEATHER ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS.

* WINDS: WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITIES: 15 TO 20 PERCENT. 

* IMPACTS: ANY FIRE STARTS WILL RAPIDLY SPREAD DURING THESE DRY
  AND WINDY CONDITIONS. EXISTING FIRES MAY EXHIBIT EXTREME BEHAVIOR.

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
123 
WWUS86 KOTX 232203
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
303 PM PDT THU AUG 23 2012

...DRY COLD FRONT WILL BRING WINDY CONDITIONS THIS EVENING...

.A DRY COLD FRONT WILL PASS THROUGH THE REGION EARLY THIS EVENING
PROMOTING WINDY AND GUSTY CONDITIONS IN THE WENATCHEE AREA AND
WATERVILLE PLATEAU. THESE WINDS WILL BEGIN BEFORE RELATIVE
HUMIDITIES APPRECIABLY RECOVER...PRODUCING CRITICAL FIRE WEATHER
CONDITIONS. WHILE GUSTY CONDITIONS WILL CONTINUE THROUGH MUCH OF
THE NIGHT...RELATIVE HUMIDITIES WILL RECOVER ABOVE CRITICAL
THRESHOLDS AFTER 8 PM THIS EVENING.

WAZ673-677-240300-
/O.CON.KOTX.FW.W.0008.120823T2300Z-120824T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
303 PM PDT THU AUG 23 2012

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR WIND AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL CASCADE
VALLEYS AND THE WATERVILLE PLATEAU...

* AFFECTED AREA: WATERVILLE PLATEAU PORTION OF FIRE WEATHER ZONE
  673 EAST WASHINGTON NORTHERN COLUMBIA BASIN AND FIRE WEATHER
  ZONE 677 EAST WASHINGTON CENTRAL CASCADE VALLEYS.

* WINDS: WEST 15 TO 25 MPH WITH GUSTS UP TO 35 MPH.

* RELATIVE HUMIDITIES: 15 TO 20 PERCENT.

* IMPACTS: ANY FIRE STARTS WILL RAPIDLY SPREAD DURING THESE DRY 
  AND WINDY CONDITIONS. EXISTING FIRES MAY EXHIBIT EXTREME 
  BEHAVIOR. 

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.

&&

$$
963 
WWUS86 KOTX 240253
RFWOTX

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
753 PM PDT THU AUG 23 2012

WAZ673-677-240400-
/O.EXP.KOTX.FW.W.0008.000000T0000Z-120824T0300Z/
EAST WASHINGTON NORTHERN COLUMBIA BASIN (ZONE 673)-
EAST WASHINGTON CENTRAL CASCADE VALLEYS (ZONE 677)-
753 PM PDT THU AUG 23 2012

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR THE EAST CENTRAL CASCADE VALLEYS AND
THE WATERVILLE PLATEAU...

WIND WILL CONTINUE TO BLOW GENERALLY FROM THE WEST AND REMAIN
GUSTY THROUGH MUCH OF THE NIGHT...HOWEVER RELATIVE HUMIDITY WILL NOT
DROP TO CRITICAL LEVELS AND INSTEAD WILL START TO RECOVER
OVERNIGHT...THEREFORE THE RED FLAG WARNING WILL EXPIRE AT 8 PM
PDT.

$$

Nearby

Red Flag Warnings in Washington, 2012Every red flag warning in 2012

Sources

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