FNUS75 KBYZ 021652
FWSBYZ

SPOT FORECAST FOR ACRO...NORTHERN CHEYENNE AGENCY
NATIONAL WEATHER SERVICE BILLINGS MT
1052 AM MDT SUN SEP 2 2012

FORECAST IS BASED ON REQUEST TIME OF 1025 MDT ON SEPTEMBER 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

.DISCUSSION...
EXPECT WARM AND DRY CONDITIONS AT THE FIRE TODAY WITH AFTERNOON
HUMIDITY FALLING TO THE LOW TEENS. WINDS WILL REMAIN OUT OF A
NORTHWEST DIRECTION FOR MOST OF THE DAY...WITH MORNING GUSTS OF 15
TO 20 MPH POSSIBLE...THEN DECREASING SPEEDS THIS AFTERNOON. LOOK
FOR WINDS TO TURN SOUTHEASTERLY THIS EVENING...THEN SHIFT TO THE
NORTHWEST WITH A DRY COLD FRONTAL PASSAGE LATE TONIGHT. WIND GUSTS
OF 20 TO 30 MPH CAN BE EXPECTED OUT OF THE NORTHWEST FROM LATE
TONIGHT INTO MONDAY MORNING.

.TODAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....78-82.
MIN HUMIDITY........13-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST 5-15 MPH BECOMING LIGHT AND
                    VARIABLE AFTER 3 PM.
 RIDGETOP...........NORTHWEST 5-15 MPH. GUSTS TO 20 MPH UNTIL
                    NOON.
MIXING HEIGHT.......8000 FT AGL.
MIXING WINDS........WEST 15 MPH.
HAINES INDEX........5.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MIN TEMPERATURE.....54-59.
MAX HUMIDITY........39-49 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......SOUTHEAST 5-12 MPH SHIFTING NORTHWEST
                    10-20 MPH AFTER MIDNIGHT.
 RIDGETOP...........SOUTHEAST TO SOUTH 10-15 MPH SHIFTING
                    NORTHWEST 15-25 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......FALLING TO 1000 FT AGL.
MIXING WINDS........SOUTH 10 MPH BECOMING NORTHWEST 20 MPH.
HAINES INDEX........5.

.LABOR DAY...

SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
LAL.................1...NO THUNDERSTORMS.
MAX TEMPERATURE.....78-82.
MIN HUMIDITY........12-17 PERCENT.
WIND (20 FT)........
 SLOPE/VALLEY.......NORTHWEST 10-20 MPH DECREASING TO 5-10 MPH.
 RIDGETOP...........NORTHWEST 15-25 MPH DECREASING TO 5-15 MPH.
                    GUSTS TO 30 MPH IN THE MORNING.
MIXING HEIGHT.......7000 FT AGL.
MIXING WINDS........NORTHWEST 20 MPH DECREASING TO 10 MPH.
HAINES INDEX........4.

$$
FORECASTER...LESTER
REQUESTED BY...MERLIN SIOUX
TYPE OF REQUEST...WILDFIRE
.TAG 20120902.ACRO_.01/BYZ