Alert archive / Washington / Red Flag Warnings in 2021

Red Flag Warning 11, NWS Spokane, WA

August 4, 2021

NWS Spokane, WA issued this red flag warning at Aug 4, 2021, 1:53 PM PDT. It took effect at Aug 5, 2021, 11:00 AM PDT. It was in force for 10 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 4, 2021, 1:53 PM PDT (20:53 UTC)
In effect from
Aug 5, 2021, 11:00 AM PDT
Expired
Aug 5, 2021, 9:02 PM PDT
In force
10 hr
Issued by
NWS Spokane, WA

The text

As transmitted.

339 
WWUS86 KOTX 042053
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
153 PM PDT Wed Aug 4 2021

...Thunderstorms on Thursday...

Scattered showers and thunderstorms with little precipitation
could produce scattered lightning and generate gusty outflow
boundaries Thursday afternoon and evening across the Northern
Columbia Basin, East Washington Palouse, and Spokane Area.

WAZ673-674-060000-
/O.UPG.KOTX.FW.A.0006.210805T1800Z-210806T0600Z/
/O.NEW.KOTX.FW.W.0011.210805T1800Z-210806T0600Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
153 PM PDT Wed Aug 4 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 11 PM PDT THURSDAY
FOR THUNDERSTORMS FOR EAST WASHINGTON NORTH COLUMBIA BASIN AND 
THE PALOUSE AND SPOKANE AREA...

The National Weather Service in Spokane has issued a Red Flag
Warning for thunderstorms, which is in effect from 11 AM to 11 PM
PDT Thursday. This replaces the Fire Weather Watch which is no 
longer in effect.

* Affected Area: Fire Weather Zone 673 East Washington Northern 
  Columbia Basin (Zone 673) and Fire Weather Zone 674 East 
  Washington Palouse and Spokane Area (Zone 674).

* Thunderstorms: Scattered thunderstorms with lightning and 
  little precipitation.

* Outflow Winds: Winds 15 to 25 mph with gusts 40 to 45 mph 
  possible.

* Impacts: Hot and dry conditions preceding the thunderstorms 
  will result in elevated fire conditions. The addition of 
  scattered thunderstorms with lightning and very little 
  precipitation may lead to increased fire starts and fire 
  spreads.

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.

&&

$$
4 follow-up statements
645 
WWUS86 KOTX 051037
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
337 AM PDT Thu Aug 5 2021

...BREEZY WINDS AND THUNDERSTORMS TODAY...

Scattered showers and thunderstorms with little precipitation
could produce scattered lightning and generate gusty outflow
winds this afternoon and evening across the portions of the 
Columbia Basin, Washington Palouse, and Spokane Area. In
addition...breezy to windy conditions coupled with low relative
humidities will lead to fire weather concerns for the central WA
Cascade gaps. 

WAZ676-677-060000-
/O.EXB.KOTX.FW.W.0011.210805T2000Z-210806T0500Z/
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
337 AM PDT Thu Aug 5 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
PDT THIS EVENING FOR WINDS AND RELATIVE HUMIDITY FOR THE CENTRAL 
AND SOUTH CENTRAL CASCADE VALLEYS...

* Affected Area: Fire Weather Zone 676 East Washington South
  Central Cascade Valleys and Fire Weather Zone 677 East
  Washington Central Cascade Valleys.

* Winds: Northwest 15 to 25 mph with gusts up to 35 mph. In the
  Kittitas Valley northwest winds 20 to 30 mph with gusts up to 45
  mph.

* Relative Humidities: 9 to 19 percent in the valleys and 15 to 
  25 percent over the higher terrain.

* Impacts: Rapid fire spread is likely 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.

&&

$$

WAZ673-674-060000-
/O.CON.KOTX.FW.W.0011.210805T1800Z-210806T0600Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
337 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING FOR THUNDERSTORMS FOR THE COLUMBIA BASIN
PALOUSE AND SPOKANE AREA...

* Affected Area: Fire Weather Zone 673 East Washington Northern
  Columbia Basin and Fire Weather Zone 674 East Washington Palouse
  and Spokane Area.

* Thunderstorms: Scattered thunderstorms with lightning and 
  little precipitation.

* Outflow Winds: Winds 15 to 25 mph with gusts 40 to 45 mph 
  possible.

* Impacts: Hot and dry conditions preceding the thunderstorms 
  will result in elevated fire conditions. The addition of 
  scattered thunderstorms with lightning and very little 
  precipitation may lead to increased fire starts and fire 
  spreads.

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.

&&

$$
361 
WWUS86 KOTX 051254
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
554 AM PDT Thu Aug 5 2021

...BREEZY WINDS AND THUNDERSTORMS TODAY...

Scattered showers and thunderstorms with little precipitation
could produce scattered lightning and generate gusty outflow
winds this afternoon and evening across the portions of the
Columbia Basin, Washington Palouse, and Spokane Area. In
addition...breezy to windy conditions coupled with low relative
humidities will lead to fire weather concerns for the central WA
Cascade gaps and over a portion of the Okanogan Valley.

WAZ684-052100-
/O.EXA.KOTX.FW.W.0011.210805T2000Z-210806T0500Z/
East Washington Okanogan/Methow Valleys (Zone 684)-
554 AM PDT Thu Aug 5 2021

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 10 PM
PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY VALUES 
FOR THE OKANOGAN VALLEY SOUTH OF OMAK|...

The National Weather Service in Spokane has issued a Red Flag
Warning for gusty winds and low relative humidity values, which 
is in effect from 1 PM this afternoon to 10 PM PDT this evening.

* Affected Area: Portions of Fire Weather Zone 684 East Washington
  Okanogan/Methow Valleys (Zone 684) mainly for the existing fires
  around and southwest of Nespelem. 

* Winds: West 10 to 15 mph with gusts up to 25 mph.

* Relative Humidities: 12 to 18 percent.

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

* Timing: The winds are expected to begin increasing later this
  afternoon combined with low relative humidity values. Winds
  should remain breezy through the night, however relative
  humidity values will increase steadily. 


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.

&&

$$

WAZ673-674-052100-
/O.CON.KOTX.FW.W.0011.210805T1800Z-210806T0600Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
554 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING FOR THUNDERSTORMS FOR THE COLUMBIA BASIN
PALOUSE AND SPOKANE AREA...

* Affected Area: Fire Weather Zone 673 East Washington Northern 
  Columbia Basin (Zone 673) and Fire Weather Zone 674 East 
  Washington Palouse and Spokane Area (Zone 674).

* Thunderstorms: Scattered thunderstorms with lightning and 
  little precipitation.

* Outflow Winds: Winds 15 to 25 mph with gusts 40 to 45 mph 
  possible.

* Impacts: Hot and dry conditions preceding the thunderstorms 
  will result in elevated fire conditions. The addition of 
  scattered thunderstorms with lightning and very little 
  precipitation may lead to increased fire starts and fire 
  spreads.

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.

&&

$$

WAZ676-677-052100-
/O.CON.KOTX.FW.W.0011.210805T2000Z-210806T0500Z/
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
554 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM PDT THIS EVENING FOR WINDS AND RELATIVE HUMIDITY FOR THE
CENTRAL AND SOUTH CENTRAL CASCADE VALLEYS...

* Affected Area: Fire Weather Zone 676 East Washington South 
  Central Cascade Valleys (Zone 676) and Fire Weather Zone 677 
  East Washington Central Cascade Valleys (Zone 677).

* Winds: Northwest 15 to 25 mph with gusts up to 45 mph.

* Relative Humidities: 9 to 19 percent in the valleys and 19 to 
  28 percent over the higher terrain.

* Impacts: Rapid fire spread is likely 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.

&&

$$
126 
WWUS86 KOTX 051658
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
958 AM PDT Thu Aug 5 2021

...BREEZY WINDS AND THUNDERSTORMS TODAY...

Scattered showers and thunderstorms with little precipitation
could produce scattered lightning and generate gusty outflow
winds this afternoon and evening across the portions of the
Columbia Basin, Washington Palouse, and Spokane Area. In
addition...breezy to windy conditions coupled with low relative
humidities will lead to fire weather concerns for the central WA
Cascade gaps and over a portion of the Okanogan Valley.

WAZ673-674-060600-
/O.CON.KOTX.FW.W.0011.210805T1800Z-210806T0600Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
958 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING FOR THUNDERSTORMS FOR THE COLUMBIA BASIN PALOUSE AND
SPOKANE AREA...

* Affected Area: Fire Weather Zone 673 East Washington Northern 
  Columbia Basin (Zone 673) and Fire Weather Zone 674 East 
  Washington Palouse and Spokane Area (Zone 674).

* Thunderstorms: Scattered thunderstorms with lightning and 
  little precipitation.

* Outflow Winds: Winds 15 to 25 mph with gusts 40 to 45 mph 
  possible.

* Impacts: Hot and dry conditions preceding the thunderstorms 
  will result in elevated fire conditions. The addition of 
  scattered thunderstorms with lightning and very little 
  precipitation may lead to increased fire starts and fire 
  spreads.

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.

&&

$$

WAZ676-677-060500-
/O.CON.KOTX.FW.W.0011.210805T2000Z-210806T0500Z/
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
958 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM PDT THIS EVENING FOR WINDS AND RELATIVE HUMIDITY FOR THE
CENTRAL AND SOUTH CENTRAL CASCADE VALLEYS...

* Affected Area: Fire Weather Zone 676 East Washington South 
  Central Cascade Valleys (Zone 676) and Fire Weather Zone 677 
  East Washington Central Cascade Valleys (Zone 677).

* Winds: Northwest 15 to 25 mph with gusts up to 45 mph.

* Relative Humidities: 9 to 19 percent in the valleys and 19 to 
  28 percent over the higher terrain.

* Impacts: Rapid fire spread is likely 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.

&&

$$

WAZ684-060500-
/O.CON.KOTX.FW.W.0011.210805T2000Z-210806T0500Z/
East Washington Okanogan/Methow Valleys (Zone 684)-
958 AM PDT Thu Aug 5 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY
VALUES FOR THE OKANOGAN VALLEY SOUTH OF OMAK|...

* Affected Area: Fire Weather Zone 684 East Washington 
  Okanogan/Methow Valleys (Zone 684).

* Winds: West 10 to 15 mph with gusts up to 25 mph.

* Relative Humidities: 12 to 18 percent.

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

* Timing: The winds are expected to begin increasing later this 
  afternoon combined with low relative humidity values. Winds 
  should remain breezy through the night, however relative 
  humidity values will increase steadily.

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.

&&

$$
813 
WWUS86 KOTX 060402
RFWOTX

URGENT - FIRE WEATHER MESSAGE
National Weather Service Spokane WA
902 PM PDT Thu Aug 5 2021

WAZ676-677-684-060515-
/O.CAN.KOTX.FW.W.0011.000000T0000Z-210806T0500Z/
East Washington South Central Cascade Valleys (Zone 676)-
East Washington Central Cascade Valleys (Zone 677)-
East Washington Okanogan/Methow Valleys (Zone 684)-
902 PM PDT Thu Aug 5 2021

...RED FLAG WARNING IS CANCELLED FOR WINDS AND LOW RELATIVE
HUMIDITY FOR FIRE WEATHER ZONES 674, 676, AND 677...

The National Weather Service in Spokane has cancelled the Red
Flag Warning.

Breezy winds will continue this evening in the lee of the 
Cascades but relative humidity is expected to remain above
critical thresholds. 

$$

WAZ673-674-060515-
/O.CAN.KOTX.FW.W.0011.000000T0000Z-210806T0600Z/
East Washington Northern Columbia Basin (Zone 673)-
East Washington Palouse and Spokane Area (Zone 674)-
902 PM PDT Thu Aug 5 2021

...RED FLAG WARNING IS CANCELLED FOR THUNDERSTORMS FOR FIRE
WEATHER ZONES 673 AND 674...

The National Weather Service in Spokane has cancelled the Red
Flag Warning.

A few thunderstorms are still possible tonight but the threat for
scattered coverage of thunderstorms with little precipitation has
ended.

$$

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 6:13 PM PDTSpecial Weather StatementOTXDouglas62 min
Aug 3, 6:17 PM PDTSpecial Weather StatementOTX73 min
Aug 3, 6:58 PM PDTSpecial Weather StatementOTXDouglas62 min
Aug 3, 8:12 PM PDTSpecial Weather StatementOTXOkanogan78 min

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.