000 
FNUS76 KSTO 211351
FWSSTO

SPOT FORECAST FOR RBFWO CANALS
NATIONAL WEATHER SERVICE SACRAMENTO CA
651 AM PDT THU JUL 21 2005

IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE.

DISCUSSION...MONSOONAL MOISTURE IS MOVING NORTHWARD AND WILL BRING
MID AND HIGH CLOUDINESS WITH A SLIGHT CHANCE OF SHOWERS OR
THUNDERSTORMS THIS AFTERNOON INTO EVENING. ANY THUNDERSTORMS THAT
DEVELOP MAY INITIALLY PRODUCE DRY LIGHTNING BUT THE PRECIPITATION
POTENTIAL WILL QUICKLY INCREASE AS THE ATMOSHPERE MOISTENS. HIGH
PRESSURE THEN STRENGHTENS OVER THE AREA FRIDAY INTO THE WEEKEND
FOR DRY WEATHER WITH WARMER TEMPERATURES AND LOWER HUMIDITIES.

FOR PLANNED IGNITION TIME OF 900 PDT 7/21/05
   WEATHER............INCREASING CLOUDS. SLIGHT CHANCE OF SHOWERS
                      THUNDERSTORMS THIS AFTERNOON.
   CWR................10%
   TEMPERATURE........80...MAX 98
   HUMIDITY...........45%...MIN 25%
   WIND...EYE LEVEL...WEST 3 TO 7 MPH BECOMING SOUTHEAST 5 TO 10
                      MPH AROUND MIDDAY THEN SOUTH 9 TO 14 MPH IN THE
                      AFTERNOON WITH GUSTS TO 20 MPH.
   MIXING HEIGHT......RISING TO 15000 FT AGL IN THE AFTERNOON.
   MIXING WINDS.......NORTHWEST 4 TO 8 MPH THIS MORNING BECOMING
                      SOUTH AROUND MIDDAY AND INCREASING 15 TO 20 MPH
                      IN THE AFTERNOON.

FOR TONIGHT
   WEATHER............DECREASING CLOUDS. SLIGHT CHANCE OF AN EVENING
                      SHOWER OR THUNDERSTORM.
   HUMIDITY...........MAX 70%
   WIND...EYE LEVEL...EVENING SOUTH WIND 9 TO 15 MPH...DECREASING AND
                      BECOMING NORTHWEST 3 TO 7 MPH AROUND MIDNIGHT.

OUTLOOK FOR TOMORROW
   WEATHER............MOSTLY SUNNY
   HUMIDITY...........MIN 12%
   WIND...EYE LEVEL...NORTHWEST 3 TO 7 MPH BECOMING SOUTHEAST 4 TO 9
                      MPH AROUND MIDDAY THEN SOUTH 7 TO 13 MPH IN THE
                      AFTERNOON.


FORECASTER...PCH

$$

REQUESTED BY...PERRY GRISSOM
REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, USFWS, BIA).