FNUS75 KSLC 111559
FWSSLC

SPOT FORECAST FOR SANTA CLARA FLOOD PREP
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
959 AM MDT THU OCT 11 2012

.DISCUSSION...THE PACIFIC STORM SYSTEM IS MOVING ACROSS SOUTHERN
CALIFORNIA AND SOUTHERN NEVADA THIS MORNING. THIS SYSTEM IS
ADVANCING A LITTLE FASTER THAN WE THOUGHT YESTERDAY AND NOW LOOKS
LIKE IT WILL SPREAD RAIN INTO SOUTHERN UTAH STARTING ABOUT MID
AFTERNOON TODAY WITH THE HEAVIEST RAINFALL AND THE GREATEST RAIN
ACCUMULATION RATES EXPECTED BETWEEN ABOUT 3 PM MDT TODAY THROUGH
ABOUT MIDNIGHT TONIGHT. THE RAIN WILL BECOME MORE INTERMITTENT
AND LIGHTER AFTER MIDNIGHT BUT SHOWERS WILL LINGER THROUGH THE
DAY FRIDAY INTO FRIDAY NIGHT BEFORE TAPERING OFF.

RAINFALL TOTALS THIS AFTERNOON THROUGH MIDNIGHT WILL MOST LIKELY
RANGE FROM AROUND 0.25 TO 0.50 INCHES FOR SNOW CANYON AND THE
TUACAHN WASH ABOVE SANTA CLARA DURING THIS TIME. THERE IS A 30
PERCENT CHANCE OF 0.50 TO 1.00 INCHES FALLING DURING THIS PERIOD.
RAINFALL AFTER MIDNIGHT TONIGHT THROUGH FRIDAY EVENING WOULD BE
IN THE 0.10 TO 0.20 INCH RANGE AND RAINFALL ACCUMULATION RATES
WOULD BE LOWER.

PLEASE FEEL FREE TO CALL THE OFFICE IF YOU HAVE ANY QUESTIONS OR
OTHERWISE REQUIRE ADDITIONAL INFORMATION.


.TODAY...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS UNTIL NOON. A SLIGHT
                      CHANCE OF THUNDERSTORMS. SHOWERS AND
                      THUNDERSTORMS LIKELY AFTER ABOUT 1500.
  MAX TEMPERATURE.....74-76.
  MIN HUMIDITY........31-33 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE...THEN BECOMING
                      SOUTH 10 TO 15 MPH IN THE AFTERNOON.

.TONIGHT...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER). RAIN
                      SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
  MIN TEMPERATURE.....55-57.
  MAX HUMIDITY........85-90 PERCENT.
  WINDS - 20-FOOT.....SOUTH WINDS 15 MPH SHIFTING TO THE NORTH LATE
                      IN THE EVENING...THEN SHIFTING TO THE
                      SOUTHEAST AFTER MIDNIGHT.

.OUTLOOK FOR FRIDAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER).
                      OCCASIONAL RAIN IN THE MORNING...THEN A
                      CHANCE OF RAIN IN THE AFTERNOON.
  MAX TEMPERATURE.....61-63.
  MIN HUMIDITY........39-41 PERCENT.
  WINDS - 20-FOOT.....LIGHT AND VARIABLE WINDS BECOMING SOUTHWEST
                      15 MPH.



FORECASTER...WILENSKY
REQUESTED BY...TY HANSEN
REASON FOR REQUEST...PRESCRIBED
.TAG 20121011.SANTA.01/SLC

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