FNUS75 KSLC 101717
FWSSLC

SPOT FORECAST FOR SANTA CLARA FLOOD PREP
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1117 AM MDT WED OCT 10 2012

.DISCUSSION...THE LOW OVER THE PACIFIC OCEAN WILL TRACK
SOUTHEASTWARD ALONG THE CALIFORNIA COAST TODAY BEFORE TURNING
NORTHEASTWARD TOWARD THE STATE OVERNIGHT. THE LOW PRESSURE SYSTEM
WILL CROSS SOUTHERN UTAH THURSDAY NIGHT THROUGH FRIDAY BEFORE A
DRIER AND MORE STABLE AIRMASS RETURNS FOR SATURDAY. AHEAD OF THE
LOW...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED
OVER THE HIGHER TERRAIN NEAR SANTA CLARA AND WILL REMAIN A THREAT
THROUGH THURSDAY. HOWEVER...RAINFALL TOTALS ASSOCIATED WITH THESE
SHOWERS WILL BE LIGHT...WITH SOMEWHERE BETWEEN 0.00 AND 0.10
INCHES OF TOTAL PRECIPITATION EXPECTED BETWEEN NOW AND THURSDAY
EVENING. BIGGEST PUSH OF RAIN WILL OCCUR BETWEEN MIDNIGHT AND NOON
ON FRIDAY AS THE LOW MOVES INTO THE STATE. BELIEVE THAT THERE IS A
70 PERCENT CHANCE OF 0.20 TO 0.50 INCHES OF RAIN FOR THE SANTA CLARA
AREA DURING THIS TIME WITH A 30 PERCENT CHANCE OF 0.50 TO 1.00
INCHES FALLING DURING THE PERIOD. RAIN IS EXPECTED TO QUICKLY
TAPER OFF FRIDAY AFTERNOON WITH LESS THAN 0.10 INCHES OF RAIN
EXPECTED AFTER 12PM ON FRIDAY. THE RAIN WILL BE STRATIFORM IN
NATURE AND THUS RATES WILL BE FAIRLY STEADY DURING THE THURSDAY
NIGHT/FRIDAY MORNING PERIOD. PLEASE FEEL FREE TO CALL THE OFFICE
IF YOU HAVE ANY QUESTIONS OR OTHERWISE REQUIRE ADDITIONAL
INFORMATION.

.TODAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........2 ..VERY LOW.
  CLEARING INDEX......560.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER)
                      UNTIL NOON...THEN MOSTLY CLOUDY (70-80
                      PERCENT CLOUD COVER). A CHANCE OF SHOWERS AND
                      THUNDERSTORMS.
  MAX TEMPERATURE.....78-80.
  MIN HUMIDITY........25-27 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY 3-7 MPH.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF THUNDERSTORMS UNTIL
                      MIDNIGHT. A SLIGHT CHANCE OF SHOWERS.
  MIN TEMPERATURE.....61-95.
  MAX HUMIDITY........62-67 PERCENT.
  WINDS - 20-FOOT.....DOWNSLOPE/DOWNVALLEY WINDS 3-7 MPH.

.OUTLOOK FOR THURSDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS IN THE
                      MORNING...THEN A CHANCE OF SHOWERS AND A
                      SLIGHT CHANCE OF THUNDERSTORMS IN THE
                      AFTERNOON.
  MAX TEMPERATURE.....74-78.
  MIN HUMIDITY........32-36 PERCENT.
  WINDS - 20-FOOT.....UPSLOPE/UPVALLEY WINDS 3-7 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...TY HANSEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20121010.SANTA.01/SLC

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