Alert archive / California / Red Flag Warnings in 2009

Red Flag Warning 2, NWS Eureka, CA

September 21, 2009

NWS Eureka, CA issued this red flag warning at Sep 21, 2009, 9:47 AM PDT. It was in force for 29 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
Sep 21, 2009, 9:47 AM PDT (16:47 UTC)
Expired
Sep 22, 2009, 2:38 PM PDT
In force
29 hr
Issued by
NWS Eureka, CA

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS86 KEKA 211659
RFWEKA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
947 AM PDT MON SEP 21 2009

CAZ203-204-211-212-283-220100-
/O.NEW.KEKA.FW.W.0002.090921T1647Z-090922T1800Z/
UPPER SMITH...INLAND PORTION OF THE SMITH RIVER DRAINAGE WITHIN
THE SIX RIVERS NF.-
LOWER MIDDLE KLAMATH...INLAND PORTION OF THE KLAMATH RIVER
DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST AND THE UKONOM
DISTRICT OF THE KLAMATH NATIONAL FOREST.-
HUPA...THE HOOPA INDIAN RESERVATION AND THE LOWER PORTION OF THE
TRINITY RIVER DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST.-
VAN DUZEN / MAD RIVER...INLAND PORTION OF THE VAN DUZEN AND MAD
RIVER DRAINAGES WITHIN THE SIX RIVERS NATIONAL FOREST.-
TRINITY...WESTERN PORTION OF THE SHASTA TRINITY NATIONAL FOREST.-
947 AM PDT MON SEP 21 2009

...RED FLAG WARNING IN EFFECT UNTIL 11 AM PDT TUESDAY FOR VERY
LOW RELATIVE HUMIDITIES AND GUSTY EAST WINDS FOR FIRE WEATHER
ZONES 203...204...211...212 AND 283...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 11 AM PDT TUESDAY. 

A STRONG UPPER LEVEL RIDGE COUPLED WITH A MODERATELY STRONG THERMAL 
TROUGH HAS BEEN PRODUCING VERY LOW RELATIVE HUMIDITIES AND BRISK 
EAST WINDS...PRIMARILY OVER THE RIDGES AND HIGHER TERRAIN. RELATIVE 
HUMIDITIES FROM 10 TO 20 PERCENT ARE EXPECTED TODAY...WITH VERY POOR 
RECOVERIES EXPECTED AGAIN TONIGHT.

EASTERLY WINDS FROM 10 TO 20 MPH...WITH LOCALLY STRONGER GUSTS
OF 40 MPH OVER THE UPPER ELEVATIONS...WILL DECREASE THIS AFTERNOON.
THE EASTERLY WINDS WILL BEGIN TO INCREASE AGAIN TONIGHT...RANGING
FROM 15 TO 25 MPH WITH GUSTS TO 40 MPH OVER THE RIDGES AND HIGHER
TERRAIN...AND 5 TO 15 MPH WITH GUSTS TO 20 MPH IN THE VALLEYS AND
LOW LANDS.

WINDS ARE EXPECTED TO BECOME SOUTHEASTERLY ON TUESDAY AND MAY
CONTINUE TO SUSTAIN FROM 6 TO 11 MPH THROUGH MID MORNING. RELATIVE
HUMIDITIES WILL CONTINUE TO BE VERY LOW. 

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
3 follow-up statements
000 
WWUS86 KEKA 212208
RFWEKA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
308 PM PDT MON SEP 21 2009

CAZ203-204-211-212-283-221215-
/O.CON.KEKA.FW.W.0002.000000T0000Z-090922T1800Z/
UPPER SMITH...INLAND PORTION OF THE SMITH RIVER DRAINAGE WITHIN
THE SIX RIVERS NF.-
LOWER MIDDLE KLAMATH...INLAND PORTION OF THE KLAMATH RIVER
DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST AND THE UKONOM
DISTRICT OF THE KLAMATH NATIONAL FOREST.-
HUPA...THE HOOPA INDIAN RESERVATION AND THE LOWER PORTION OF THE
TRINITY RIVER DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST.-
VAN DUZEN / MAD RIVER...INLAND PORTION OF THE VAN DUZEN AND MAD
RIVER DRAINAGES WITHIN THE SIX RIVERS NATIONAL FOREST.-
TRINITY...WESTERN PORTION OF THE SHASTA TRINITY NATIONAL FOREST.-
308 PM PDT MON SEP 21 2009


...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 AM PDT TUESDAY FOR
VERY LOW RELATIVE HUMIDITIES AND GUSTY EAST WINDS FOR FIRE WEATHER
ZONES 203...204...211...212 AND 283...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 11 AM PDT TUESDAY. 

A STRONG UPPER LEVEL RIDGE...ALONG WITH A MODERATELY STRONG
THERMAL TROUGH AT THE COAST...HAS BEEN PRODUCING VERY LOW RELATIVE
HUMIDITIES AND BRISK EAST WINDS. THE BRISK EAST WINDS WERE BEING
OBSERVED PRIMARILY OVER THE RIDGES AND HIGHER TERRAIN...WITH
LIGHTER WINDS IN THE VALLEYS AND AT MID SLOPE. 

MORE IMPORTANTLY...RELATIVE HUMIDITY RECOVERIES ARE EXPECTED TO
BE VERY LOW...RANGING FROM 20 TO 30 PERCENT TONIGHT AND 5 TO 10
PERCENT ON TUESDAY. EASTERLY WINDS WILL EASE A BIT TONIGHT COMPARED
TO LAST NIGHT...RANGING FROM 10 TO 20 MPH OVER THE RIDGES AND
HIGHER TERRAIN...TO 5 TO 10 MPH IN THE VALLEYS AND MID SLOPES.

WINDS WILL BECOME SOUTHEASTERLY ON TUESDAY AND MAY CONTINUE TO
SUSTAIN FROM 6 TO 10 MPH THROUGH MID MORNING. RELATIVE HUMIDITIES
WILL CONTINUE TO BE VERY LOW THROUGH THE DAY ON TUESDAY.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.


&&

$$
000 
WWUS86 KEKA 221209
RFWEKA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
509 AM PDT TUE SEP 22 2009

CAZ203-204-211-212-283-222230-
/O.EXT.KEKA.FW.W.0002.000000T0000Z-090923T0100Z/
UPPER SMITH...INLAND PORTION OF THE SMITH RIVER DRAINAGE WITHIN
THE SIX RIVERS NF.-
LOWER MIDDLE KLAMATH...INLAND PORTION OF THE KLAMATH RIVER
DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST AND THE UKONOM
DISTRICT OF THE KLAMATH NATIONAL FOREST.-
HUPA...THE HOOPA INDIAN RESERVATION AND THE LOWER PORTION OF THE
TRINITY RIVER DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST.-
VAN DUZEN / MAD RIVER...INLAND PORTION OF THE VAN DUZEN AND MAD
RIVER DRAINAGES WITHIN THE SIX RIVERS NATIONAL FOREST.-
TRINITY...WESTERN PORTION OF THE SHASTA TRINITY NATIONAL FOREST.-
509 AM PDT TUE SEP 22 2009

...RED FLAG WARNING NOW IN EFFECT UNTIL 6 PM PDT THIS EVENING FOR
VERY LOW RELATIVE HUMIDITIES AND GUSTY EAST WINDS FOR ZONES
203...204...211...212 AND 283...

THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 6 PM PDT THIS
EVENING. 

A STRONG UPPER LEVEL RIDGE...ALONG WITH A MODERATELY STRONG
THERMAL TROUGH AT THE COAST...HAS BEEN PRODUCING VERY LOW
RELATIVE HUMIDITIES AND OCCASIONALLY GUSTY EAST WINDS. EAST 
WINDS WERE BEING OBSERVED PRIMARILY OVER THE RIDGES AND HIGHER
TERRAIN...WITH LIGHTER WINDS IN THE VALLEYS AND AT MID SLOPE.

MORE IMPORTANTLY...MINIMUM RELATIVE HUMIDITIES ARE EXPECTED TO BE
VERY LOW...RANGING FROM 5 TO 15 PERCENT TODAY. EASTERLY WINDS WILL
CONTINUE THROUGH MUCH OF THE DAY AT 10 TO 20 MPH OVER THE RIDGES
AND HIGHER TERRAIN...AND ONLY 5 TO 10 MPH IN THE VALLEYS AND MID
SLOPES.

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 WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
000 
WWUS86 KEKA 222138
RFWEKA

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
238 PM PDT TUE SEP 22 2009

CAZ203-204-211-212-283-222245-
/O.CAN.KEKA.FW.W.0002.000000T0000Z-090923T0100Z/
UPPER SMITH...INLAND PORTION OF THE SMITH RIVER DRAINAGE WITHIN
THE SIX RIVERS NF.-
LOWER MIDDLE KLAMATH...INLAND PORTION OF THE KLAMATH RIVER
DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST AND THE UKONOM
DISTRICT OF THE KLAMATH NATIONAL FOREST.-
HUPA...THE HOOPA INDIAN RESERVATION AND THE LOWER PORTION OF THE
TRINITY RIVER DRAINAGE WITHIN THE SIX RIVERS NATIONAL FOREST.-
VAN DUZEN / MAD RIVER...INLAND PORTION OF THE VAN DUZEN AND MAD
RIVER DRAINAGES WITHIN THE SIX RIVERS NATIONAL FOREST.-
TRINITY...WESTERN PORTION OF THE SHASTA TRINITY NATIONAL FOREST.-
238 PM PDT TUE SEP 22 2009

...RED FLAG WARNING IS CANCELED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELED THE RED FLAG
WARNING. 

EAST WINDS BEING OBSERVED ACROSS THE AREA...ESPECIALLY OVER THE
RIDGES AND HIGHER TERRAIN...ARE LIGHTER THAN EXPECTED. THOUGH RELATIVE
HUMIDITIES BEING OBSERVED ARE VERY LOW...RANGING FROM 5 TO 15
PERCENT...THE LOWER WINDS HAVE REDUCED THE RISK OF FIRE GROWTH.

$$

Nearby

Red Flag Warnings in California, 2009Every red flag warning in 2009

Sources

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