FNUS75 KSLC 072106
FWSSLC

SPOT FORECAST FOR HEAPS BAXTER SAR
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
306 PM MDT SUN JUL 7 2013

.DISCUSSION...MOIST AND UNSTABLE AIRMASS REMAINS OVER THE PARK
TODAY. THUNDERSTORM OVER COLORADO CITY WILL MOVE ACROSS THE PARK
OVER THE NEXT 30 MINUTES. ADDITIONAL STORMS ARE DEVELOPING ACROSS
NORTHWEST ARIZONA AND IF THEY HOLD TOGETHER WOULD IMPACT THE PARK
IN ABOUT TWO HOURS. THREAT OF SCATTERED CONVECTION WILL CONTINUE
INTO THE EARLY EVENING. DRIER AIR WILL MOVE INTO THE AREA
BEGINNING TOMORROW...SO AFTERNOON CONVECTION THEN WILL BE LIMITED.
AWARE OF HELICOPTER OPERATIONS BETWEEN 4PM AND 6PM AND WILL CALL
THE PARK IF A THUNDERSTORM LOOKS LIKE IT WILL APPROACH THE PARK
DURING THAT TIME.

.REST OF TODAY...
  LAL.................4.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT CLOUD COVER).
                      SCATTERED SHOWERS AND THUNDERSTORMS.
  MAX TEMPERATURE.....83-85.
  MIN HUMIDITY........23-25 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5-10 MPH. GUSTY AND/OR ERRATIC
                      WINDS POSSIBLE NEAR ANY THUNDERSTORMS.

.TONIGHT...
  LAL.................2 UNTIL MIDNIGHT...THEN 1.
  HAINES INDEX........4 ..LOW.
  SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER). A
                      SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                      UNTIL MIDNIGHT.
  MIN TEMPERATURE.....56-58.
  MAX HUMIDITY........56-58 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5-10 MPH.

.OUTLOOK FOR MONDAY...
  LAL.................1.
  HAINES INDEX........4 ..LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT CLOUD COVER) THEN
                      BECOMING PARTLY CLOUDY (30-40 PERCENT CLOUD
                      COVER).
  MAX TEMPERATURE.....84-87.
  MIN HUMIDITY........16-19 PERCENT.
  WINDS - 20-FOOT.....SOUTHWEST WINDS 5-10 MPH.



FORECASTER...TRAPHAGAN
REQUESTED BY...THERESE PICARD
REASON FOR REQUEST...SAR
.TAG 20130707.HEAPS.01/SLC

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