Alert archive / Washington / Red Flag Warnings in 2021

Red Flag Warning 12, NWS Spokane, WA

August 11, 2021

NWS Spokane, WA issued this red flag warning at Aug 11, 2021, 1:44 PM PDT. It took effect at Aug 12, 2021, 8:00 AM PDT. It was in force for 12 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 11, 2021, 1:44 PM PDT (20:44 UTC)
In effect from
Aug 12, 2021, 8:00 AM PDT
Expired
Aug 12, 2021, 8:00 PM PDT
In force
12 hr
Issued by
NWS Spokane, WA

The text

As transmitted.

485 
WWUS86 KOTX 112044
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
144 PM PDT Wed Aug 11 2021

...DRY AND BREEZY CONDITIONS THURSDAY...

Breezy to gusty north winds coupled with low relative humidities
will lead to fire weather concerns down the Okanogan Valley
Thursday.

WAZ684-121300-
/O.UPG.KOTX.FW.A.0007.210812T1500Z-210813T0300Z/
/O.NEW.KOTX.FW.W.0012.210812T1500Z-210813T0300Z/
East Washington Okanogan/Methow Valleys (Zone 684)-
144 PM PDT Wed Aug 11 2021

...RED FLAG WARNING IN EFFECT FROM 8 AM TO 8 PM PDT THURSDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR THE OKANOGAN VALLEY...

The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 8 AM to 8 PM PDT Thursday. The Fire Weather Watch is no
longer in effect.

* Affected Area: Fire Weather Zone 684 East Washington Okanogan
  Valley.

* Winds: North 10 to 20 mph with gusts up to 30 mph. Local gusts 
  up to 40 mph. The strongest winds will occur early Thursday 
  morning.

* Relative Humidities: 10 to 17 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
511 
WWUS86 KOTX 121140
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
440 AM PDT Thu Aug 12 2021

...DRY AND BREEZY CONDITIONS TODAY...

Breezy to gusty north winds coupled with low relative humidities
will lead to fire weather concerns down the Okanogan Valley
today.

WAZ684-130300-
/O.CON.KOTX.FW.W.0012.210812T1500Z-210813T0300Z/
East Washington Okanogan/Methow Valleys (Zone 684)-
440 AM PDT Thu Aug 12 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
8 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR THE
OKANOGAN VALLEY...

* Affected Area: Fire Weather Zone 684 East Washington Okanogan
  Valley.

* Winds: North 10 to 20 mph with gusts up to 35 mph. Local gusts
  up to 40 mph. The strongest winds will occur this morning. 

* Relative Humidities: 8 to 17 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.

&&

$$
255 
WWUS86 KOTX 130300
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
800 PM PDT Thu Aug 12 2021

WAZ684-130400-
/O.EXP.KOTX.FW.W.0012.000000T0000Z-210813T0300Z/
East Washington Okanogan/Methow Valleys (Zone 684)-
800 PM PDT Thu Aug 12 2021

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY FOR THE OKANOGAN VALLEY...

Winds will remain breezy into this evening and then decrease
overnight. Winds are not expected to meet red flag criteria
with relative humidity increasing above critical thresholds
through the rest of 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.