Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 11, NWS Pendleton, OR

July 30, 2021

NWS Pendleton, OR issued this red flag warning at Jul 30, 2021, 2:41 PM PDT. It took effect at Jul 31, 2021, 12:00 PM 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
Jul 30, 2021, 2:41 PM PDT (21:41 UTC)
In effect from
Jul 31, 2021, 12:00 PM PDT
Expired
Aug 1, 2021, 12:00 AM PDT
In force
12 hr
Issued by
NWS Pendleton, OR

The text

As transmitted.

897 
WWUS86 KPDT 302141
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
241 PM PDT Fri Jul 30 2021

...THUNDERSTORMS WITH ABUNDANT LIGHTNING POSSIBLE IN CENTRAL
OREGON THROUGH THIS EVENING AND AGAIN SATURDAY...

...MORE ABUNDANT LIGHTNING POSSIBLE SATURDAY INCLUDING IN EASTERN
OREGON...

.Isolated to scattered thunderstorms through this evening in 
Central Oregon. Another surge of moisture over the weekend is 
forecast to produce more widespread thunderstorms along with the 
potential for wetting rains.

ORZ610-611-311400-
/O.CAN.KPDT.FW.A.0010.210731T1900Z-210801T0700Z/
/O.EXT.KPDT.FW.W.0010.000000T0000Z-210801T0700Z/
East Slopes of Central Oregon Cascades-Deschutes National Forest -
minus Sisters Ranger District-
241 PM PDT Fri Jul 30 2021

...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT PDT SATURDAY
NIGHT FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONES OR610 AND
OR611...
...FIRE WEATHER WATCH IS CANCELLED FOR ABUNDANT LIGHTNING FOR
FIRE WEATHER ZONES OR610 AND OR611...

The National Weather Service in Pendleton has cancelled the Fire
Weather Watch.

* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central 
  Oregon Cascades and 611 Deschutes National Forest  -minus 
  Sisters Ranger District.

* THUNDERSTORMS...Isolated to scattered storms will be possible 
  with a LAL 3.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$

ORZ640-642>645-WAZ643-645-311400-
/O.UPG.KPDT.FW.A.0010.210731T1900Z-210801T0700Z/
/O.NEW.KPDT.FW.W.0011.210731T1900Z-210801T0700Z/
Central Mountains of Oregon-
Southern Blue and Strawberry Mountains-
Northern Blue Mountains of Oregon-Central Blue Mountains-
Wallowa District-Blue Mountains of Washington-Asotin County-
241 PM PDT Fri Jul 30 2021

...RED FLAG WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT PDT
SATURDAY NIGHT FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONES
OR640, OR642, OR643, OR644, OR645, WA643, AND WA645...

The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect from noon
Saturday to midnight PDT Saturday night. The Fire Weather Watch
is no longer in effect.

* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of 
  Oregon, 642 Southern Blue and Strawberry Mountains, 643 
  Northern Blue Mountains of Oregon, 643 Blue Mountains of 
  Washington, 644 Central Blue Mountains, 645 Wallowa District 
  and 645 Asotin County.

* THUNDERSTORMS...Isolated to scattered storms will be possible
  with a LAL 3 to 4.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$
3 follow-up statements
360 
WWUS86 KPDT 311201
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
501 AM PDT Sat Jul 31 2021

...THUNDERSTORMS WITH ABUNDANT LIGHTNING IN CENTRAL OREGON AND
EASTERN OREGON TODAY AND TONIGHT...

.Thunderstorms are expected to develop today and expand in 
coverage this afternoon and evening. Dry fuels and abundant 
lighting will create critical fire conditions. Also some storms 
may become strong along with producing brief heavy rain that could
cause water to pond on roadways and fill streams with rapid 
running water.

ORZ610-611-312345-
/O.CON.KPDT.FW.W.0010.000000T0000Z-210801T0700Z/
East Slopes of Central Oregon Cascades-Deschutes National Forest -
minus Sisters Ranger District-
501 AM PDT Sat Jul 31 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
OR610 AND OR611...

* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central 
  Oregon Cascades and 611 Deschutes National Forest  -minus 
  Sisters Ranger District.

* THUNDERSTORMS...Isolated to scattered storms will be possible 
  with a LAL 3.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$

ORZ640-642>645-WAZ643-645-312345-
/O.CON.KPDT.FW.W.0011.210731T1900Z-210801T0700Z/
Central Mountains of Oregon-
Southern Blue and Strawberry Mountains-
Northern Blue Mountains of Oregon-Central Blue Mountains-
Wallowa District-Blue Mountains of Washington-Asotin County-
501 AM PDT Sat Jul 31 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT
PDT TONIGHT FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONES OR640, OR642, OR643, OR644, OR645, WA643, AND WA645...

* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of 
  Oregon, 642 Southern Blue and Strawberry Mountains, 643 
  Northern Blue Mountains of Oregon, 643 Blue Mountains of 
  Washington, 644 Central Blue Mountains, 645 Wallowa District 
  and 645 Asotin County.

* THUNDERSTORMS...Isolated to scattered storms will be possible 
  with a LAL 3 to 4.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$
334 
WWUS86 KPDT 312134
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
234 PM PDT Sat Jul 31 2021

...THUNDERSTORMS WITH ABUNDANT LIGHTNING IN CENTRAL OREGON AND
EASTERN OREGON THROUGH EARLY TONIGHT...

.Thunderstorms are developing and expanding in coverage this 
afternoon and evening. Dry fuels and abundant lighting will create
critical fire conditions. Also some storms may become strong 
along with producing brief heavy rain that could cause water to 
pond on roadways and fill streams with rapid running water.

ORZ610-611-010700-
/O.CON.KPDT.FW.W.0010.000000T0000Z-210801T0700Z/
East Slopes of Central Oregon Cascades-Deschutes National Forest -
minus Sisters Ranger District-
234 PM PDT Sat Jul 31 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
OR610 AND OR611...

* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central 
  Oregon Cascades and 611 Deschutes National Forest  -minus 
  Sisters Ranger District.

* THUNDERSTORMS...Isolated to scattered storms will be possible 
  with a LAL 3.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$

ORZ640-642>645-WAZ643-645-010700-
/O.CON.KPDT.FW.W.0011.000000T0000Z-210801T0700Z/
Central Mountains of Oregon-
Southern Blue and Strawberry Mountains-
Northern Blue Mountains of Oregon-Central Blue Mountains-
Wallowa District-Blue Mountains of Washington-Asotin County-
234 PM PDT Sat Jul 31 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT
FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR640,
OR642, OR643, OR644, OR645, WA643, AND WA645...

* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of 
  Oregon, 642 Southern Blue and Strawberry Mountains, 643 
  Northern Blue Mountains of Oregon, 643 Blue Mountains of 
  Washington, 644 Central Blue Mountains, 645 Wallowa District 
  and 645 Asotin County.

* THUNDERSTORMS...Isolated to scattered storms will be possible 
  with a LAL 3 to 4.

* OUTFLOW WINDS...Gusty outflow winds are possible in and near 
  thunderstorms.

* IMPACTS...The potential for abundant lightning combined with 
  very dry fuels may lead to increased fire starts. Breezy winds 
  may lead to fire spread of 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.

&&

$$
696 
WWUS86 KPDT 010659
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
1159 PM PDT Sat Jul 31 2021

ORZ610-611-010800-
/O.EXP.KPDT.FW.W.0010.000000T0000Z-210801T0700Z/
East Slopes of Central Oregon Cascades-Deschutes National Forest -
minus Sisters Ranger District-
1159 PM PDT Sat Jul 31 2021

...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT PDT TONIGHT FOR FIRE 
WEATHER ZONES OR610 AND OR611...

The threat for abundant lightning has ended.

$$

ORZ640-642>645-WAZ643-645-010800-
/O.EXP.KPDT.FW.W.0011.000000T0000Z-210801T0700Z/
Central Mountains of Oregon-
Southern Blue and Strawberry Mountains-
Northern Blue Mountains of Oregon-Central Blue Mountains-
Wallowa District-Blue Mountains of Washington-Asotin County-
1159 PM PDT Sat Jul 31 2021

...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT PDT TONIGHT FOR FIRE 
WEATHER ZONES OR640, OR642, OR643, OR644, OR645, WA643, AND 
WA645...

The threat for abundant lightning has ended. A few storms may
redevelop on Sunday but they will be accompanied by a wetting
rain. 

$$

Nearby

Red Flag Warnings in Oregon, 2021Red 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.