FNUS76 KSTO 090424
FWSSTO

SPOT FORECAST FOR SCOTTS INCIDENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
924 PM PDT SAT SEP 8 2012

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

SPOT FORECAST FOR SCOTTS INCIDENT...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
920 PM PDT SAT SEP 8 2012

UPDATED FOR RED FLAG WARNING

FORECAST IS BASED ON REQUEST TIME OF 1731 PDT ON SEPTEMBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM PDT SUNDAY...

.DISCUSSION...
LOW PRESSURE TROUGH OFF THE COAST WILL BE MOVING INLAND ON SUNDAY
CAUSING DRY WESTERLY FLOW OVER THE FIRE SITE. GUSTY WESTERLY WINDS
ARE LIKELY OVER THE RIDGE TOPS OR CHANNELED THROUGH MOUNTAIN GAPS
UNTIL THE TROUGH PASSES SUNDAY NIGHT.

THE COMBINATION OF GUSTY WINDS...LOW HUMIDITY AND EXTREMELY DRY FUELS
CAN CAUSE EXTREME FIRE BEHAVIOR. BEHIND THE TROUGH...WINDS WILL BE
WEST TO NORTHWEST ON MONDAY AND WEAKEN DURING THE DAY...BUT DRY
CONDITIONS (LOW HUMIDITY)WILL CONTINUE. MODERATE HUMIDITY RECOVERY IS
EXPECTED SUNDAY AND MONDAY NIGHT.

HIGH PRESSURE WILL BUILD OVER THE AREA FOR THE REST OF THE WEEK WITH
HOT AND DRY CONDITIONS CONTINUING. WINDS WILL BE LIGHTER AND MAINLY
TERRAIN DRIVEN.


.SUNDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....83-88.
MIN HUMIDITY........23-28 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....UP VALLEY OR WEST TO NORTHWEST 5 TO 11 MPH.
   RIDGETOP.........WEST TO NORTHWEST 10 TO 15 MPH WITH GUSTS
                    20 TO 25 MPH...POSSIBLY AS HIGH AS 30 MPH
                    AT TIMES.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING 2000 TO 3000 FT AGL.
MIXING WINDS........WEST TO NORTHWEST 10 TO 15 MPH.


.TONIGHT (SUNDAY NIGHT)...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....55-60.
MAX HUMIDITY........70-75 PERCENT...45-55 PERCENT RIDGE TOPS.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHWEST WINDS 6 TO 12 MPH.
   RIDGETOP.........NORTHWEST 10 TO 15 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......LOWERING TO GROUND LEVEL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.


.MONDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....89-94.
MIN HUMIDITY........20-25 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHWEST WINDS UP TO 5 MPH.
   RIDGETOP.........VARIABLE WINDS LESS THAN 5 MPH BECOMING
                    BECOMING NORTHWEST 10 TO 16 MPH.
CWR.................0 PERCENT.
LAL.................1.
MIXING HEIGHT.......RISING TO 3000 TO 4000 FT AGL.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.


.FORECAST DAYS 3 THROUGH 5...
.TUESDAY...
CLEAR. LOWS 56 TO 61. HIGHS 94 TO 99. NORTHWEST WINDS UP TO
8 MPH.
.WEDNESDAY THROUGH SATURDAY...
CLEAR. LOWS 57 TO 63. HIGHS 93 TO 100. NORTHWEST WINDS UP TO 7 MPH.



FORECASTER...JHM
REQUESTED BY...B  BAXTER
REASON FOR REQUEST...WILDFIRE

$$

REQUESTED BY...B. BAXTER
REASON FOR REQUEST...WILDFIRE