Alert archive / California / Red Flag Warnings in 2018

Red Flag Warning 4, NWS Eureka, CA

August 9, 2018

NWS Eureka, CA issued this red flag warning at Aug 9, 2018, 9:27 AM PDT. It took effect at Aug 9, 2018, 2:00 PM PDT. It was in force for 57 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 9, 2018, 9:27 AM PDT (16:27 UTC)
In effect from
Aug 9, 2018, 2:00 PM PDT
Expired
Aug 11, 2018, 11:00 PM PDT
In force
57 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

768 
WWUS86 KEKA 091627
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
927 AM PDT Thu Aug 9 2018

CAZ277-100030-
/O.NEW.KEKA.FW.W.0004.180809T2100Z-180811T0400Z/
W Mendocino NF/E Mendocino Unit-
927 AM PDT Thu Aug 9 2018

...RED FLAG WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM
FRIDAY FOR LOW RH AND GUSTY WINDS...

* AFFECTED AREA...SE half of fire weather zone 277.

* WIND...SW to W 5 to 10 mph on lower slopes. SW to W increasing
  to 10 to 15 mph with occasional gusts to 25 mph on upper slopes
  and ridgetops.

* HUMIDITY...Minimum values 15 to 25 percent this afternoon and
  Friday afternoon. Recoveries to 50 percent on lower slopes and 
  30 to 40 percent on upper slopes and ridgetops tonight.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
9 follow-up statements
026 
WWUS86 KEKA 100020
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
520 PM PDT Thu Aug 9 2018

CAZ277-101200-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180811T0400Z/
W Mendocino NF/E Mendocino Unit-
520 PM PDT Thu Aug 9 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT FRIDAY...

* AFFECTED AREA...SE half of fire weather zone 277.

* WIND...SW to W 5 to 10 mph on lower slopes. SW to W 
  increasing to 10 to 15 mph with occasional gusts to 25 mph on 
  upper slopes and ridgetops. 

* HUMIDITY...Minimum values 15 to 25 percent this evening and 
  Friday afternoon. Recoveries to 50 percent on lower slopes and 
  30 to 40 percent on upper slopes and ridgetops tonight.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
462 
WWUS86 KEKA 101150
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
450 AM PDT Fri Aug 10 2018

CAZ277-102000-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180811T0400Z/
W Mendocino NF/E Mendocino Unit-
450 AM PDT Fri Aug 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* AFFECTED AREA...SE half of fire weather zone 277.

* WIND...Calm or NW 3 to 5 mph this morning. This afternoon: W to
  NW 6 to 12 mph on lower slopes. W to NW increasing to 12 to 18
  mph with gusts over 25 mph on upper slopes and ridgetops. 
  Lighter NW wind expected on Saturday. 

* HUMIDITY...Minimum values 15 to 25 percent Friday afternoon.
  Recoveries to 50 percent on lower slopes and 30 to 40 percent on
  upper slopes and ridgetops this morning. Recoveries improving
  tonight to 50 to 70 percent in valleys, 40 to 50 percent upper 
  slopes and ridges. 

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
709 
WWUS86 KEKA 101618
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
918 AM PDT Fri Aug 10 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday. As
a result...the previous Red Flag Warning for zone 277 has been 
extended through Saturday evening.

CAZ277-110030-
/O.EXT.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
918 AM PDT Fri Aug 10 2018

...RED FLAG WARNING NOW IN EFFECT UNTIL 11 PM PDT SATURDAY...

* AFFECTED AREA...SE half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in
  the afternoons and evenings both today and Saturday. Winds 
  reducing by 5 to 10 mph overnight.

  VALLEYS: Northwest/upslope 5 to 10 mph with 
  occasional gusts to 20 mph in the late afternoon. Becoming light
  and downvalley overnight.

* HUMIDITY...Minimum values 15 to 25 percent Friday afternoon.
  Recoveries to 50 percent on lower slopes and 30 to 40 percent on
  upper slopes and ridgetops this morning. Recoveries improving
  slightly tonight to 50 to 70 percent in valleys, 35 to 50 
  percent upper slopes and ridges.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
803 
WWUS86 KEKA 102205
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
305 PM PDT Fri Aug 10 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday. As
a result...the previous Red Flag Warning for zone 277 has been
extended through Saturday evening.

CAZ277-110615-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
305 PM PDT Fri Aug 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY...

* AFFECTED AREA...SE half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in
  the afternoons and evenings both today and Saturday. Winds
  reducing by 5 to 10 mph overnight. VALLEYS: Northwest/upslope 5
  to 10 mph with occasional gusts to 20 mph in the late 
  afternoon. Becoming light and downvalley overnight.

* HUMIDITY...Minimum values 15 to 25 percent Friday afternoon. 
  Recoveries to 50 percent on lower slopes and 30 to 40 percent 
  on upper slopes and ridgetops this morning. Recoveries 
  improving slightly tonight to 50 to 70 percent in valleys, 35 
  to 50 percent upper slopes and ridges. 

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
225 
WWUS86 KEKA 110601
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
1101 PM PDT Fri Aug 10 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridgetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday.

CAZ277-111400-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
1101 PM PDT Fri Aug 10 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT SATURDAY...

* AFFECTED AREA...Southeast half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in
  the afternoon and evening. Winds weakening to 5 to 10 mph
  overnight. Northwest winds 5 to 10 mph in valleys with 
  occasional gusts to 20 mph in the late afternoon. Becoming light
  and downvalley overnight.

* HUMIDITY...Minimum values 15 to 25 percent Friday afternoon. 
  Recoveries to 50 percent on lower slopes and 30 to 40 percent 
  on upper slopes and ridgetops this morning. Recoveries 
  improving slightly tonight to 50 to 70 percent in valleys, 30 
  to 50 percent upper slopes and ridges.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
682 
WWUS86 KEKA 111003
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
303 AM PDT Sat Aug 11 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridgetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday.

CAZ277-111815-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
303 AM PDT Sat Aug 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* AFFECTED AREA...Southern half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in
  the afternoon and evening. Winds weakening to 5 to 10 mph
  overnight. VALLEYS: Northwest winds 5 to 10 mph in valleys with
  occasional gusts to 20 mph in the late afternoon. Becoming 
  light and downvalley overnight. 

* HUMIDITY...Minimum values 15 to 25. Recoveries to 50 percent on
  lower slopes and 30 to 40 percent on upper slopes and ridgetops.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
472 
WWUS86 KEKA 111636
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
936 AM PDT Sat Aug 11 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridgetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday.

CAZ277-120045-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
936 AM PDT Sat Aug 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* AFFECTED AREA...Southern half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in 
  the afternoon and evening. Winds weakening to 5 to 10 mph 
  overnight. VALLEYS: Northwest winds 5 to 10 mph in valleys 
  with occasional gusts to 20 mph in the late afternoon. 
  Becoming light and downvalley overnight.

* HUMIDITY...Minimum values 15 to 25. Recoveries to 50 percent 
  on lower slopes and 30 to 40 percent on upper slopes and 
  ridgetops.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
318 
WWUS86 KEKA 112221
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
321 PM PDT Sat Aug 11 2018

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED NEAR THE MENDOCINO
COMPLEX THROUGH SATURDAY EVENING...

.Gusty northwest winds and low humidity, particularly along
ridgetops, will continue in the vicinity of the Mendocino Complex
through Saturday evening. Winds are expected to weaken Sunday.

CAZ277-120600-
/O.CON.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
321 PM PDT Sat Aug 11 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* AFFECTED AREA...Southern half of fire weather zone 277.

* WIND...RIDGES: Northwest 10 to 20 mph with gusts to 30 mph in 
  the afternoon and evening. Winds weakening to 5 to 10 mph 
  overnight. VALLEYS: Northwest winds 5 to 10 mph in valleys 
  with occasional gusts to 20 mph in the late afternoon. 
  Becoming light and downvalley overnight.

* HUMIDITY...Minimum values 12 to 20. Recoveries to 50 percent on
  lower slopes and 30 to 40 percent on upper slopes and 
  ridgetops.

* IMPACTS...Any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

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.

$$


http://weather.gov/eureka
529 
WWUS86 KEKA 120600
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
1100 PM PDT Sat Aug 11 2018



CAZ277-120700-
/O.EXP.KEKA.FW.W.0004.000000T0000Z-180812T0600Z/
W Mendocino NF/E Mendocino Unit-
1100 PM PDT Sat Aug 11 2018

...RED FLAG WARNING HAS EXPIRED...


$$


http://weather.gov/eureka

Nearby

Red Flag Warnings in California, 2018Every red flag warning in 2018

Sources

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