FNUS76 KSTO 041228
FWSSTO

SPOT FORECAST FOR MT  HOWELL MAINTENANCE...NEVADA/YUBA/PLACER UNIT
NATIONAL WEATHER SERVICE SACRAMENTO CA
528 AM PDT WED MAY 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 PDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE STILL BUILDING OVER THE AREA RESULTING IN WARMING
TEMPS AND LOWERING HUMIDITY VALUES TODAY. NORTHEAST RIDGETOPS
WINDS THIS MORNING WILL TRANSITION TO WESTERLY WINDS THIS AFTERNOON.
THURSDAY MIN HUMIDITY WILL BE UP SLIGHTLY FROM TODAY DUE TO MORE
ONSHORE FLOW UP THE WEST SLOPE OF THE SIERRA. NEXT CHANCE OF ANY
RAIN IS SUNDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........75-78 AT IGNITION.
    79-82 MAX.
HUMIDITY............MIN 15-18 PERCENT AT IGNITION.
WIND (20 FT)........
   SLOPE/VALLEY.....NORTHEAST WINDS 2 TO 6 MPH BECOMING VARIABLE UP
    TO 2 MPH AT IGNITION. THEN SHIFTING TO THE WEST
    2 TO 6 MPH IN THE AFTERNOON.
   RIDGETOP.........NORTHEAST 4 TO 7 MPH SHIFTING TO THE WEST IN THE
    AFTERNOON.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 4500-5000 FT
    AGL LATE IN THE MORNING...THEN DECREASING TO
    2500 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........NORTHEAST 5 TO 9 MPH.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........56-61 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST WINDS UP TO 4 MPH SHIFTING TO THE
                    EAST 3 TO 6 MPH AFTER MIDNIGHT.
   RIDGETOP.........LIGHT VARIABLE WINDS.
MIXING HEIGHT.......2000 FT AGL DECREASING TO LESS THAN 500 FT AGL
                    LATE IN THE EVENING.
MIXING WINDS........LIGHT VARIABLE WINDS.

.THURSDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....84-89.
MIN HUMIDITY........20-24 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....EAST WINDS 1 TO 4 MPH SHIFTING TO THE SOUTHWEST
                    3 TO 6 MPH IN THE AFTERNOON.
   RIDGETOP.........SOUTHEAST 2 TO 4 MPH SHIFTING SOUTHWEST 5 TO 9
    MPH IN THE AFTERNOON.
MIXING HEIGHT.......LESS THAN 500 FT AGL INCREASING TO 5000 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........SOUTHEAST 3 TO 6 MPH SHIFTING SOUTHWEST 6 TO 10
    MPH IN THE AFTERNOON.


FORECASTER...JCLAPP
REQUESTED BY...STEVE GARCIA
REASON FOR REQUEST...PRESCRIBED
.TAG 20110504.MTHOW.01/STO

$$