Alert archive / Oregon / Red Flag Warnings in 2021

Red Flag Warning 1, NWS Pendleton, OR

June 3, 2021

NWS Pendleton, OR issued this red flag warning at Jun 3, 2021, 2:26 PM PDT. It took effect at Jun 4, 2021, 11:00 AM PDT. It was in force for 11 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: Jun 3, 2021, 2:26 PM PDT (21:26 UTC)
In effect from: Jun 4, 2021, 11:00 AM PDT
Expired: Jun 4, 2021, 10:00 PM PDT
In force: 11 hr
Issued by: NWS Pendleton, OR

The text

As transmitted.

013 
WWUS86 KPDT 032126
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
226 PM PDT Thu Jun 3 2021

...CRITICAL RH WITH WINDY CONDITIONS FRIDAY...

.Windy conditions in tandem with low humidity are expected 
Friday afternoon and evening. An an upper-level ridge breaks down
and flattens over the next 24 hrs, an upper trough will move into
the region by Friday to promote windy conditions. This will be 
followed by windy conditions again Saturday afternoon and evening,
however, confidence is low in this occurring with humidity not
being as low.

ORZ639>641-WAZ639-641-675-041400-
/O.UPG.KPDT.FW.A.0001.210604T1800Z-210605T0500Z/
/O.NEW.KPDT.FW.W.0001.210604T1800Z-210605T0500Z/
East Slopes of the Northern Oregon Cascades-
Central Mountains of Oregon-Lower Columbia Basin of Oregon-
East Slopes of the Southern Washington Cascades-
Lower Columbia Basin of Washington-
Eastern Washington Southern Columbia Basin-
226 PM PDT Thu Jun 3 2021

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 10 PM PDT FRIDAY FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR639,
OR640, OR641, WA639, WA641, AND WA675...

The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 11 AM to 10 PM PDT Friday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the 
  Northern Oregon Cascades, 639 East Slopes of the Southern 
  Washington Cascades, 640 Central Mountains of Oregon, 641 
  Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of 
  Washington and 675 Eastern Washington Southern Columbia Basin.

* WINDS...West 15 to 30 mph with gusts around 40 mph.

* RELATIVE HUMIDITY...10 to 20 percent.

* IMPACTS...Increased chance of rapid fire growth on 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

384 
WWUS86 KPDT 040441
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
941 PM PDT Thu Jun 3 2021

...CRITICAL FIRE WEATHER CONDITIONS FRIDAY WITH LOW HUMIDITY AND 
STRONG WINDS...

.Windy conditions in tandem with low humidity are expected 
Friday. As an upper level ridge breaks down and flattens over the 
next 24 hours, an upper trough moves into the region by Friday to 
promote windy conditions. This will be followed by windy 
conditions again Saturday afternoon and evening, but confidence is
low in critical fire weather conditions owing to slightly cooler 
temperatures and higher humidities.

ORZ639>641-WAZ639-641-675-041600-
/O.CON.KPDT.FW.W.0001.210604T1800Z-210605T0500Z/
East Slopes of the Northern Oregon Cascades-
Central Mountains of Oregon-Lower Columbia Basin of Oregon-
East Slopes of the Southern Washington Cascades-
Lower Columbia Basin of Washington-
Eastern Washington Southern Columbia Basin-
941 PM PDT Thu Jun 3 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 10 PM PDT
FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
OR639, OR640, OR641, WA639, WA641, AND WA675...

* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the 
  Northern Oregon Cascades, 639 East Slopes of the Southern 
  Washington Cascades, 640 Central Mountains of Oregon, 641 
  Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of 
  Washington and 675 Eastern Washington Southern Columbia Basin.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 10 to 13 percent.

* IMPACTS...Increased chance of rapid fire growth on 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.

&&

$$

886 
WWUS86 KPDT 041034
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
334 AM PDT Fri Jun 4 2021

...CRITICAL FIRE WEATHER CONDITIONS TODAY WITH LOW HUMIDITY AND 
STRONG WINDS...

.Windy conditions in tandem with low humidity are expected today.
The upper level ridge is breaking down and zonal flow is setting
up over the region as an upper trough strengthens to the north.
This strengthening will promote breezy conditions this afternoon
and Saturday. Confidence is low in critical fire weather
conditions being met Saturday due to cooling temperatures and
increasing humidities.

ORZ639>641-WAZ639-641-675-050500-
/O.CON.KPDT.FW.W.0001.210604T1800Z-210605T0500Z/
East Slopes of the Northern Oregon Cascades-
Central Mountains of Oregon-Lower Columbia Basin of Oregon-
East Slopes of the Southern Washington Cascades-
Lower Columbia Basin of Washington-
Eastern Washington Southern Columbia Basin-
334 AM PDT Fri Jun 4 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
10 PM PDT THIS EVENING FOR WIND AND LOW RELATIVE HUMIDITY FOR
FIRE WEATHER ZONES OR639, OR640, OR641, WA639, WA641, AND WA675...

* AFFECTED AREA...Fire Weather Zones 639 East Slopes of the 
  Northern Oregon Cascades, 639 East Slopes of the Southern 
  Washington Cascades, 640 Central Mountains of Oregon, 641 
  Lower Columbia Basin of Oregon, 641 Lower Columbia Basin of 
  Washington and 675 Eastern Washington Southern Columbia Basin.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 10 to 13 percent.

* IMPACTS...Increased chance of rapid fire growth on 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.

&&

$$

471 
WWUS86 KPDT 050436
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
936 PM PDT Fri Jun 4 2021


ORZ639>641-WAZ639-641-675-050545-
/O.EXP.KPDT.FW.W.0001.000000T0000Z-210605T0500Z/
East Slopes of the Northern Oregon Cascades-
Central Mountains of Oregon-Lower Columbia Basin of Oregon-
East Slopes of the Southern Washington Cascades-
Lower Columbia Basin of Washington-
Eastern Washington Southern Columbia Basin-
936 PM PDT Fri Jun 4 2021

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
WIND AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES OR639,
OR640, OR641, WA639, WA641, AND WA675...

Winds are decreasing, and the Red Flag Warning is no longer in
effect.

$$

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 6:56 PM PDT	Special Weather Statement	PDT	Deschutes	49 min

Nearby

Red Flag Warnings in Oregon, 2021 Red Flag Warnings in Washington, 2021 Every 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.