FNUS75 KSLC 271559
FWSSLC

SPOT FORECAST FOR GREEN HILLS RX
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
959 AM MDT TUE APR 27 2010

.DISCUSSION...SOUTHERLY WINDS WILL REALLY RAMP UP TODAY AHEAD OF
A VERY STRONG COLD FRONT SCHEDULED TO ARRIVE EARLY WEDNESDAY
MORNING. COMBINATION OF WINDS AND MIXING POTENTIAL WILL KEEP
CLEARING INDICES NEARLY UNLIMITED THROUGH THE PERIOD...BUT
STRENGTH OF ANTICIPATED WINDS THIS AFTERNOON...TONIGHT...AND INTO
WEDNESDAY MORNING POSES A SIGNIFICANT FIRE WEATHER CONCERN.
ADDITION OF WETTING RAINS LATE TONIGHT AND GOOD OVERNIGHT
HUMIDITY RECOVERY IS A DEFINITE PLUS...BUT PERSISTENT STRONG WIND
DEVELOPMENT CERTAINLY A POINT TO ADDRESS. WINDS WILL REMAIN
STRONG SOUTHERLY THIS AFTERNOON AND EVENING THROUGH ABOUT 02/0300
WEDNESDAY...AT WHICH TIME COLD FRONTAL PASSAGE WILL RAPIDLY
SWITCH WINDS TO STRONG WEST. TRANSITION TO SNOW SHORTLY AFTER
ONSET OF PRECIP WEDNESDAY MORNING...WITH UNSETTLED OFF/ON SNOWY
PERIODS LASTING INTO SATURDAY.

.TODAY...
LAL...................1.
HAINES INDEX..........5 ..MODERATE.
CLEARING INDEX........1000+.
SKY/WEATHER...........PARTLY CLOUDY (45-55 PERCENT CLOUD COVER).
MAX TEMPERATURE.......70.
MIN HUMIDITY..........18-20 PERCENT.
WIND (20 FT)..........WINDY. LIGHT SOUTHEAST WINDS THROUGH 1100...
                      BECOMING SOUTHWEST WINDS 15 TO 20 MPH WITH GUSTS
                      TO 30 MPH MIDDAY...INCREASING TO SOUTH 20 TO 30
                      MPH WITH GUSTS TO AROUND 40 MPH AFTER 2200.

.TONIGHT...
LAL...................2.
HAINES INDEX..........3 ..VERY LOW.
SKY/WEATHER...........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER). A
                      CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL
                      MIDNIGHT...THEN SHOWERS AND A SLIGHT CHANCE
                      OF THUNDERSTORMS.
MIN TEMPERATURE.......34-36.
MAX HUMIDITY..........92-94 PERCENT.
WIND (20 FT)..........WINDY. SOUTHWEST WINDS 25 TO 35 MPH.

.OUTLOOK FOR WEDNESDAY...
LAL...................2 UNTIL NOON...THEN 1.
HAINES INDEX..........2 ..VERY LOW.
CLEARING INDEX........1000+.
SKY/WEATHER...........CLOUDY (95-100 PERCENT CLOUD COVER). SNOW
                      SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
                      IN THE MORNING...THEN OCCASIONAL SNOW SHOWERS
                      IN THE AFTERNOON.
MAX TEMPERATURE.......40-42.
MIN HUMIDITY..........49-51 PERCENT.
WIND (20 FT)..........WINDY. WEST WINDS 30 MPH WITH GUSTS TO AROUND
                      45 MPH EARLY DECREASING TO 20 MPH IN THE AFTERNOON.



FORECASTER...MERRILL
REQUESTED BY...DAVE VICKERS
REASON FOR REQUEST...PRESCRIBED
.TAG 20100427.GREEN.01/SLC

$$