FNUS73 KUNR 191924
FWSUNR

SPOT FORECAST FOR GLEN ERIN...USFS
NATIONAL WEATHER SERVICE RAPID CITY SD
124 PM MDT FRI OCT 19 2012

FORECAST IS BASED ON REQUEST TIME OF 1311 MDT ON OCTOBER 19.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...AN UPPER LEVEL RIDGE WILL BUILD INTO THE AREA
THROUGH SATURDAY BRINGING WARMER AND DRIER AIR TO THE AREA. HIGHS
NEAR 64 TODAY WILL RISE TO NEAR 70 SATURDAY. MINIMUM RELATIVE
HUMIDITIES BOTH DAYS WILL BE AROUND 20 PERCENT.

WINDS WILL BE HIGHLY TERRAIN DOMINATED THIS AFTERNOON AND
TONIGHT...BECOMING SOUTHWESTERLY SATURDAY.

A COLD FRONT WILL DROP THROUGH THE SOUTH DAKOTA PLAINS SATURDAY
EVENING...BUT IT IS UNCERTAIN WHETHER THE INITIAL WIND SHIFT WILL
MAKE IT TO THE ELEVATION OF THE FIRE AREA. IF THE FRONT IS DEEP
ENOUGH INITIALLY...GUSTY NORTHWEST WINDS WOULD RESULT LATER
SATURDAY NIGHT.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY LESS THAN 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 10 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........58 PERCENT.
WIND (20 FT)........VARIABLE LESS THAN 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTH AROUND 5 MPH.
SMOKE DISPERSAL.....POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....AROUND 69.
MIN HUMIDITY........20 PERCENT.
WIND (20 FT)........VARIABLE LESS THAN 8 MPH EARLY...THEN BECOMING
                    SOUTHWEST 10 TO 20 MPH LATE MORNING THROUGH THE
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......7400 TO 8400 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH.
SMOKE DISPERSAL.....VERY GOOD.

$$
FORECASTER...EH
REQUESTED BY...AUSTIN BAKER
TYPE OF REQUEST...WILDFIRE
.TAG 20121019.GLENE.02/UNR