FNUS75 KTFX 211432
FWSTFX

SPOT FORECAST FOR HOPLEY UNITS...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
832 AM MDT THU MAY 21 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WESTERLY FLOW ALOFT WILL CONTINUE OVER THE BURN AREA TODAY
PROVIDING A DRY AND STABLE AIRMASS. SURFACE WINDS SHOULD BE LIGHT
TODAY AND AFTERNOON MINIMUM RELATIVE HUMIDITIES WILL AGAIN DROP
INTO THE TEENS WITH MODERATE RECOVERY OVERNIGHT.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH SHIFTING TO THE NORTHWEST
                    8 TO 10 MPH BY NOON.
RIDGE TOP WIND......WEST WINDS 12 TO 15 MPH.
MIXING HEIGHT.......5500 FT AGL.
MIXING WINDS........WEST AROUND 5 MPH.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
CWR.................0 PERCENT.
MIN TEMPERATURE.....32-37.
MAX HUMIDITY........67-72 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 5 MPH.
RIDGE TOP WIND......SOUTHEAST WINDS 8 TO 10 MPH.
MIXING HEIGHT.......500 FT AGL.
MIXING WINDS........NORTH AROUND 5 MPH.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
MAX TEMPERATURE.....59-64.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 10 MPH.
RIDGE TOP WIND......EAST WINDS 13 TO 18 MPH.
MIXING HEIGHT.......3500 FT AGL.
MIXING WINDS........EAST AROUND 15 MPH.

$$
FORECASTER...EMANUEL
REQUESTED BY...MATT PLAGENZ
TYPE OF REQUEST...PRESCRIBED
.TAG 20090521.HOPLE.01/TFX