Alert archive / Washington / Red Flag Warnings in 2021

Red Flag Warning 15, NWS Spokane, WA

August 29, 2021

NWS Spokane, WA issued this red flag warning at Aug 29, 2021, 1:18 PM PDT. It took effect at Aug 30, 2021, 12:00 PM PDT. It was in force for 9 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 29, 2021, 1:18 PM PDT (20:18 UTC)
In effect from
Aug 30, 2021, 12:00 PM PDT
Expired
Aug 30, 2021, 9:00 PM PDT
In force
9 hr
Issued by
NWS Spokane, WA

The text

As transmitted.

504 
WWUS86 KOTX 292018
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
118 PM PDT Sun Aug 29 2021

...Breezy and dry conditions causing critical Fire Weather 
concerns Monday...

.Breezy to gusty winds through the Cascade Gaps and into eastern
Washington are expected Monday with low humidity values.

WAZ673-674-676-677-682-301300-
/O.UPG.KOTX.FW.A.0009.210830T2000Z-210831T0400Z/
/O.NEW.KOTX.FW.W.0015.210830T1900Z-210831T0400Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington Central Cascade Mountains (Zone 682)-
118 PM PDT Sun Aug 29 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT MONDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL AND SOUTH CENTRAL 
CASCADE VALLEYS AND MOUNTAINS EAST OF THE CASCADE CREST...THE 
NORTHERN COLUMBIA BASIN AND THE PALOUSE AND SPOKANE AREAS...

The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 9 PM PDT Monday. The Fire Weather Watch is no longer
in effect.

* 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), Fire Weather 
  Zone 676 East Washington South Central Cascade Valleys (Zone 
  676), Fire Weather Zone 677 East Washington Central Cascade 
  Valleys (Zone 677) and Fire Weather Zone 682 East Washington 
  Central Cascade Mountains (Zone 682).

* Winds: West 10 to 20 mph with gusts up to 30 mph.

* Relative Humidities: 15 to 25 percent. In the Kittitas Valley,
  relative humidity 20 to 30 percent.

* Impacts: Rapid fire spread with any new or existing fires.

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 can
contribute to extreme fire behavior.

&&

$$
2 follow-up statements
889 
WWUS86 KOTX 301143
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
443 AM PDT Mon Aug 30 2021

...Breezy and dry conditions causing critical Fire Weather
concerns today...

.Breezy to gusty winds through the Cascade Gaps and into eastern
Washington are expected today with low humidity values.

WAZ673-674-676-677-682-310400-
/O.CON.KOTX.FW.W.0015.210830T1900Z-210831T0400Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington Central Cascade Mountains (Zone 682)-
443 AM PDT Mon Aug 30 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT
THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE CENTRAL
AND SOUTH CENTRAL CASCADE VALLEYS AND MOUNTAINS EAST OF THE
CASCADE CREST...THE NORTHERN COLUMBIA BASIN AND THE PALOUSE AND
SPOKANE AREAS...

* 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), Fire Weather 
  Zone 676 East Washington South Central Cascade Valleys (Zone 
  676), Fire Weather Zone 677 East Washington Central Cascade 
  Valleys (Zone 677) and Fire Weather Zone 682 East Washington 
  Central Cascade Mountains (Zone 682).

* Winds: West 10 to 20 mph with gusts up to 35 mph.

* Relative Humidities: 10 to 22 percent in the valleys and 22 to 
  34 percent over the higher terrain.

* Impacts: Rapid fire spread with any new or existing fires.

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 can
contribute to extreme fire behavior.

&&

$$
381 
WWUS86 KOTX 310344
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
844 PM PDT Mon Aug 30 2021

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT...

WAZ673-674-676-677-682-310445-
/O.EXP.KOTX.FW.W.0015.000000T0000Z-210831T0400Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington Central Cascade Mountains (Zone 682)-
844 PM PDT Mon Aug 30 2021

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR WIND
AND LOW HUMIDITY FOR EASTERN WA...

Winds are beginning to weaken this evening while relative humidity
is starting to recover. Therefore, the Red Flag Warning will be
allowed to expire at 9 pm this evening.  

$$

Nearby

Red Flag Warnings in Washington, 2021Every red flag warning in 2021

Sources

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