FNUS75 KBYZ 041456
FWSBYZ

SPOT FORECAST FOR TIE CREEK...NCA
NATIONAL WEATHER SERVICE BILLINGS MT
856 AM MDT SAT JUN 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON JUNE 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A HIGH PRESSURE RIDGE BUILDING INTO THE REGION THIS WEEKEND WILL
BRING WARM DRY CONDITIONS TO THE BURN SITE TODAY THROUGH MONDAY.
HOWEVER...THIS WILL KEEP MIXING FROM BECOMING VERY DEEP WITH
FAIRLY LIGHT TRANSPORT WINDS. MINIMUM RELATIVE HUMIDITIES AROUND
30 PERCENT ARE EXPECTED TODAY...FALLING TO AROUND 23 PERCENT ON
SUNDAY. WIND SPEEDS WILL BE MUCH LIGHTER THAN LAST FEW DAYS...BUT
WILL INCREASE THIS MORNING...TO AROUND 7 TO 12 MPH. WINDS WILL TURN
SOUTHEAST BY THIS AFTERNOON. WINDS SUNDAY WILL CONTINUE TO BE
LIGHT...FOLLOWING THE NORMAL DIURNAL PATTERN. A DISTURBANCE WILL MOVE INTO
THE AREA MONDAY...WITH A GOOD CHANCE OF THUNDERSTORMS OVER THE
BURN SITE BY THE EVENING.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........28-34 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHWEST WINDS 7 TO 12 MPH IN THE MORNING
                    SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......4500 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 15 MPH.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....49-54.
MAX HUMIDITY........69-74 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......EAST WINDS 5 TO 10 MPH.
 RIDGETOP...........SOUTH 10 TO 20 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTHEAST 10 TO 20 MPH.

.SUNDAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....77-82.
MIN HUMIDITY........21-27 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......LIGHT WINDS IN THE MORNING BECOMING NORTH 5 TO
                    10 MPH IN THE AFTERNOON.
 RIDGETOP...........WEST 10 TO 20 MPH.
MIXING HEIGHT.......8200 FT AGL.
MIXING WINDS........WEST 5 TO 15 MPH.

$$
FORECASTER...GILSTAD/BORSUM
REQUESTED BY...MIKE BEARCOMESOUT
TYPE OF REQUEST...PRESCRIBED
.TAG 20110604.TIECR.01/BYZ