FNUS75 KSLC 211652
FWSSLC

SPOT FORECAST FOR STEEP CREEK
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1051 AM MDT TUE JUL 21 2009

.DISCUSSION...AN UPPER LOW ACROSS NORTHWEST ARIZONA THIS MORNING WILL
DRIFT SLOWLY SOUTH TODAY. MOISTURE WRAPPED AROUND THIS LOW WILL
PRODUCE AN INCREASING AREA OF SHOWERS AND THUNDERSTORMS BEGINNING
LATE THIS MORNING...AND CONTINUE INTO THIS EVENING.

EXTENSIVE CLOUD COVER AND PRECIPITATION WILL KEEP TEMPERATURES DOWN
AND RH VALUES UP TODAY. DRIER AIR WORKING SLOWLY SOUTH THROUGH
CENTRAL UTAH TODAY WILL SPREAD INTO THE FIRE SITE TONIGHT/WEDNESDAY.
ENOUGH MOISTURE WILL LINGER INTO WEDNESDAY FOR A FEW SHWOERS/STORMS
OVER/NEAR THE SITE ...BUT THE THREAT FOR WETTING RAINS WILL BE
SIGNIFICANT LESS WHEN COMPARED TO TODAY.

.TODAY...
  LAL.................2 UNTIL NOON...THEN 4.
  HAINES INDEX........5 ..MODERATE.
  CLEARING INDEX......900.
  SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS UNTIL NOON...THEN
                      SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....69-72.
  MIN HUMIDITY........38-41 PERCENT.
  WINDS - 20-FOOT.....SOUTH-SOUTHEAST WINDS 5 TO 10 MPH...GUSTS
                      GUSTS TO 15 MPH. WINDS BECOMING WEST-SOUTHWEST
                      AFTER NOON. ERRATIC AND GUSTY WINDS WITH
                      SHOWERS AND THUNDERSTORMS.

.TONIGHT...
  LAL.................4 UNTIL 2200...THEN 1.
  HAINES INDEX........5 ..MODERATE.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
                      2200...THEN PARTLY CLOUDY (25-35 PERCENT
                      CLOUD COVER) WITH ISOLATED SHOWERS UNTIL 0200.
  MIN TEMPERATURE.....49-51.
  MAX HUMIDITY........74-78 PERCENT.
  WINDS - 20-FOOT.....NORTHWEST WINDS 6 TO 12 MPH DECREASING TO 5
                      MPH BY MIDNIGHT.

.OUTLOOK FOR WEDNESDAY...
  LAL.................1 UNTIL NOON...THEN 2.
  HAINES INDEX........6 ..HIGH.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                      THE AFTERNOON.
  MAX TEMPERATURE.....74-77.
  MIN HUMIDITY........23-25 PERCENT.
  WINDS - 20-FOOT.....SOUTHEAST WINDS 5 MPH EARLY IN THE MORNING
                      ...THEN BECOMING SOUTH 6 TO 12 MPH IN THE
                      EARLY AFTERNOON.

EXTENDED 3-5 DAY DISCUSSION...HIGH PRESSURE ALOFT WILL SETTLE
SQUARELY OVER UTAH LATE THIS WEEK...THEN SHIFT SOUTHEAST INTO THE
4-CORNERS REGION THIS WEEKEND. THIS SHIFT OF THE RIDGE TOWARDS
SOUTHEAST UTAH WILL ALLOW MOISTURE TO SURGE NORTH AGAIN ACROSS
UTAH...LEADING TO A RETURN OF SHOWERS AND THUNDERSTORMS TO SOUTHERN
UTAH.



FORECASTER...CONGER
REQUESTED BY...Eddie Taylor
REASON FOR REQUEST...WILDFIRE
.TAG 20090721.STEEP.01/SLC

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