FNUS76 KSTO 270530
FWSSTO

SPOT FORECAST FOR SPECTACULAR FIREWORK EVENT...CAL FIRE
NATIONAL WEATHER SERVICE SACRAMENTO CA
1030 PM PDT FRI JUN 26 2009

FORECAST IS BASED ON IGNITION TIME OF 2100 PDT ON JUNE 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...VERY HOT AND DRY THIS WEEKEND...

.DISCUSSION...A STRONG RIDGE OF HIGH PRESSURE WILL BUILD OVER
THE REGION THIS WEEKEND...BRINGING HOT AND DRY WEATHER.
TEMPERATURES WILL LIKELY BREAK THE TRIPLE DIGIT MARK BOTH SATURDAY
AND SUNDAY...WITH DAYTIME HUMIDITIES AROUND 10 PERCENT. MODERATE
OVERNIGHT HUMIDITY RECOVERY VALUES AT IGNITION LOCATION WILL ALSO
DEVELOP SATURDAY NIGHT AND SUNDAY NIGHT.

.SATURDAY...
SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....101-105.
MIN HUMIDITY........9-12 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....VARIABLE WINDS LESS THAN 3 MPH IN THE MORNING
                    BECOMING SOUTHWEST 5 TO 10 MPH.
   RIDGETOP.........VARIABLE WINDS 2 TO 5 MPH IN THE MORNING
                    BECOMING SOUTHWEST TO WEST 5 TO 9 MPH WITH
                    LOCAL GUSTS 15 TO 20 MPH.

.SATURDAY NIGHT...
SKY/WEATHER.........CLEAR.
TEMPERATURE.........IGNITION 75-78...MIN 67-71.
HUMIDITY............IGNITION 20-25...MAX 40-45 PERCENT.
WIND (20 FT)........
   SLOPE/VALLEY.....WEST TO NORTHWEST WINDS 5 TO 10 MPH IN THE
                    EVENING BECOMING DOWNSLOPE 3 TO 6 MPH AFT 2100.
   RIDGETOP.........WEST TO NORTHWEST WINDS 6 TO 10 MPH IN THE
                    EVENING BECOMING NORTHEAST 4 TO 8 MPH AFT 2100.

FORECASTER...JCLAPP
REQUESTED BY...D  MATZDORFF
REASON FOR REQUEST...PRESCRIBED
.TAG 20090627.SPECT.03/STO

$$