Alert archive / California / Red Flag Warnings in 2023

Red Flag Warning 6, NWS Eureka, CA

August 20, 2023

NWS Eureka, CA issued this red flag warning at Aug 20, 2023, 2:27 PM PDT. It took effect at Aug 20, 2023, 8:00 PM PDT. It was in force for 15 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 20, 2023, 2:27 PM PDT (21:27 UTC)
In effect from
Aug 20, 2023, 8:00 PM PDT
Expired
Aug 21, 2023, 11:00 AM PDT
In force
15 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

280 
WWUS86 KEKA 202127
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
227 PM PDT Sun Aug 20 2023

...Gusty northeast winds developing overnight...

.Northeast winds will increase across fire weather zone 203
overnight tonight, with gusts in excess of 30 mph possible. These
winds, along with fair relative humidity recovery, will create
conditions more conducive for fire spread. Gusty conditions will
diminish by mid to late morning on Monday.

CAZ203-210530-
/O.NEW.KEKA.FW.W.0006.230821T0300Z-230821T1800Z/
Upper Smith-
227 PM PDT Sun Aug 20 2023

...RED FLAG WARNING IN EFFECT FROM 8 PM THIS EVENING TO 11 AM 
MONDAY...

The National Weather Service in Eureka has issued a Red Flag
Warning, which is in effect from 8 PM this evening to 11 AM 
Monday. 

* AFFECTED AREA...Fire weather zone 203.

* WIND...Northeast increasing to 20 mph with gusts to 35 mph
  across exposed upper slopes, ridgetops, and some wind-oriented
  gaps and valleys.

* HUMIDITY...Possibly as low as 45 to 55 percent on ridges and
  upper slopes.

* 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
2 follow-up statements
503 
WWUS86 KEKA 210516
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
1016 PM PDT Sun Aug 20 2023

...Gusty northeast winds developing overnight...

.Northeast winds will increase across fire weather zone
203 overnight tonight, with gusts in excess of 30 mph possible.
These winds, along with fair relative humidity recovery, will
create conditions more conducive for fire spread. Gusty
conditions will diminish by mid to late morning on Monday.

CAZ203-211330-
/O.CON.KEKA.FW.W.0006.000000T0000Z-230821T1800Z/
Upper Smith-
1016 PM PDT Sun Aug 20 2023

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT MONDAY...

* AFFECTED AREA...Fire weather zone 203 in Northeastern Del Norte
  county.

* WIND...Northeast increasing to 20 mph with gusts to 35 mph 
  across exposed upper slopes, ridgetops, and some 
  wind-oriented gaps and valleys.

* HUMIDITY...Possibly as low as 45 to 55 percent on ridges and 
  upper slopes.

* 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
184 
WWUS86 KEKA 211759
RFWEKA

Urgent - Fire Weather Message
National Weather Service Eureka CA
1059 AM PDT Mon Aug 21 2023

CAZ203-211900-
/O.EXP.KEKA.FW.W.0006.000000T0000Z-230821T1800Z/
Upper Smith-
1059 AM PDT Mon Aug 21 2023

...RED FLAG WARNING WILL EXPIRE AT 11 AM PDT THIS MORNING...

Wind speeds have decreased this morning as expected. Therefore,
the Red Flag Warning will be allowed to expire.

$$


http://weather.gov/eureka

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 20, 2:55 AM PDTGale WarningEKA36 hr
Aug 20, 2:55 AM PDTSmall Craft AdvisoryEKA36 hr
Aug 20, 2:55 AM PDTHazardous Seas WarningEKA36 hr

Nearby

Red Flag Warnings in California, 2023Every red flag warning in 2023

Sources

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