FNUS75 KPIH 291328
FWSPIH

SPOT FORECAST FOR EAST CASSIA UNIT 10...FS-STF
NATIONAL WEATHER SERVICE POCATELLO ID
728 AM MDT FRI MAY 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0710 MDT ON MAY 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE IS ALLOWING CLEAR SKIES THAT HEAT THE
LOWER ATMOSPHERE ENOUGH FOR IT TO GO UNSTABLE IN THE AFTERNOON. THE
AIR IS STILL DRY ENOUGH THAT IT WILL BE MAINLY DRY THUNDERSTORMS AND
AT BEST LIGHT SHOWERS.  THE THREAT FOR THUNDERSTORMS IS HIGHER FOR
SATURDAY AS MOISTURE AND INSTABILITY INCREASE.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLEAR BECOMING PARTLY CLOUDY. A SLIGHT
                     CHANCE OF SHOWERS AFTER 1100.  A SLIGHT CHANCE
                     OF THUNDERSTORMS AFTER 1500.  GUSTS TO 25 MPH
                     NEAR THUNDERSTORMS.
TEMPERATURE.........MAX 76.
RH..................MIN 20 PERCENT.
WIND (20 FT)........SOUTH 1 TO 3 MPH, BY 1300 BECOMING NORTH 2 TO 8
                     MPH GUSTS TO 14 MPH
MIXING HEIGHT.......10700 TO 12000 FT AGL.
MIXING WINDS........WEST 6 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF THUNDERSTORMS
                     UNTIL 2200.  A SLIGHT CHANCE OF SHOWERS UNTIL
                     0100.  GUSTS TO 25 MPH NEAR THUNDERSTORMS.
TEMPERATURE.........MIN 57.
RH..................MAX 51 PERCENT.
WIND (20 FT)........SOUTH 1 TO 3 MPH.
MIXING HEIGHT.......TOP OF INVERSION 6800 FT ELEVATION. ABOVE
                    INVERSION, MIXING HEIGHT 1000 FT AGL.
MIXING WINDS........SOUTH 6 MPH.

.SATURDAY...

SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND A SLIGHT
                     CHANCE OF THUNDERSTORMS AFTER 1000.  GUSTS
                     TO 20 MPH NEAR THUNDERSTORMS.
TEMPERATURE.........MAX 74.
RH..................MIN 29 PERCENT.
WIND (20 FT)........SOUTH 2 TO 10 MPH GUSTS TO 18 MPH, BY 0900
                     DECREASING TO 1 TO 4 MPH.  AFTER 1300, WIND
                     BECOMING NORTH 2 TO 8 MPH GUSTS TO 14 MPH.
MIXING HEIGHT.......7300 TO 8600 FT AGL.
MIXING WINDS........SOUTHWEST 6 MPH.

$$
FORECASTER...MESSICK
REQUESTED BY...CHRIS SCHENCK
TYPE OF REQUEST...PRESCRIBED
.TAG 20090529.EASTC.02/PIH