Expires:201208180015;;297110
FPUS56 KSTO 171202
ZFPSTO
FIRE WEATHER PLANNING FORECAST FOR INTERIOR NORTHERN CALIFORNIA
NATIONAL WEATHER SERVICE SACRAMENTO CA
500 AM PDT FRI AUG 17 2012
...ISOLATED TO SCATTERED THUNDERSTORMS POSSIBLE OVER THE HIGHER 
ELEVATIONS TODAY AND SATURDAY...
.DISCUSSION...HIGH PRESSURE OVER THE WEST COAST WILL BRING ABOVE 
NORMAL TEMPERATURES AND RELATIVELY LOW HUMIDITY AGAIN TODAY. 
SOUTHERLY FLOW ALOFT WILL BEGIN BRINGING MONSOON MOISTURE NORTHWARD 
INTO THE AREA THIS AFTERNOON. THIS WILL BRING A THREAT OF 
THUNDERSTORMS OVER THE HIGHER TERRAIN THIS AFTERNOON. ANY 
THUNDERSTORMS ARE EXPECTED TO CONTAIN AT LEAST SOME RAINFALL. THE 
MOUNTAIN THUNDERSTORM THREAT IS EXPECTED TO CONTINUE THROUGH 
SATURDAY. AN UPPER LEVEL LOW OFF THE COAST IS FORECAST TO PUSH INTO 
THE PACIFIC NORTHWEST ON SUNDAY. THIS WILL BRING A MORE STABLE 
SOUTHWEST FLOW ACROSS THE REGION PUSHING MONSOON MOISTURE EASTWARD 
OUT OF THE AREA AND ENDING THE MOUNTAIN THUNDERSTORMS. DRY AND 
STABLE CONDITIONS ARE EXPECTED FOR THE EARLY PART OF NEXT WEEK. 

CAZ268-180015-
NORTHERN SIERRA INCLUDING LASSEN NP AND PLUMAS AND LASSEN NF/S
WEST OF THE SIERRA CREST (WEST OF EVANS PEAK-GRIZZLY PEAK-
BECKWORTH PEAK)-
500 AM PDT FRI AUG 17 2012
.TODAY...
SKY/WEATHER..............MOSTLY SUNNY IN THE MORNING...THEN PARTLY 
                         CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND 
                         THUNDERSTORMS IN THE AFTERNOON. AREAS OF 
                         SMOKE THROUGH THE DAY. 
MAX TEMPERATURE..........89-97 LOWER ELEVATIONS...EXCEPT 83-91 
                         HIGHER ELEVATIONS. 
   24 HR TREND...........LITTLE CHANGE. 
MIN HUMIDITY.............13-20 PERCENT. 
   24 HR TREND...........LITTLE CHANGE. 
20-FOOT WINDS............ 
    VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH. 
    RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 10 MPH. 
LAL......................1 INCREASING TO 3 IN THE AFTERNOON. 
CWR......................10 PERCENT. 
.TONIGHT...
SKY/WEATHER..............MOSTLY CLOUDY WITH ISOLATED SHOWERS AND 
                         THUNDERSTORMS. AREAS OF SMOKE. 
MIN TEMPERATURE..........53-66. 
   24 HR TREND...........LITTLE CHANGE. 
MAX HUMIDITY.............58-73 PERCENT...EXCEPT 64-76 PERCENT IN 
                         THE HIGH MOUNTAIN VALLEYS. 
   24 HR TREND...........5 TO 9 PERCENT UP. 
20-FOOT WINDS............ 
    VALLEYS/LWR SLOPES...SOUTHWEST WINDS UP TO 8 MPH IN THE EVENING 
                         BECOMING DRAINAGE UP TO 5 MPH. 
    RIDGES/UPR SLOPES....WEST WINDS UP TO 8 MPH IN THE EVENING 
                         BECOMING VARIABLE UP TO 7 MPH. 
LAL......................3 DECREASING TO 2 AFTER MIDNIGHT. 
CWR......................10 PERCENT. 
.SATURDAY...
SKY/WEATHER..............MOSTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS 
                         AND THUNDERSTORMS. AREAS OF SMOKE THROUGH 
                         THE DAY. 
MAX TEMPERATURE..........83-91 LOWER ELEVATIONS...EXCEPT 76-86 
                         HIGHER ELEVATIONS. 
MIN HUMIDITY.............19-34 PERCENT. 
20-FOOT WINDS............ 
    VALLEYS/LWR SLOPES...UPSLOPE WINDS UP TO 5 MPH BECOMING 
                         SOUTHWEST UP TO 8 MPH IN THE AFTERNOON. 
    RIDGES/UPR SLOPES....VARIABLE WINDS UP TO 10 MPH BECOMING 
                         SOUTHWEST 4 TO 10 MPH IN THE AFTERNOON. 
LAL......................2. 
CWR......................10 PERCENT. 
$$