FNUS73 KUNR 171651
FWSUNR

SPOT FORECAST FOR O BRIEN...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
951 AM MST THU JAN 17 2013

FORECAST IS BASED ON IGNITION TIME OF 1000 MST ON JANUARY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SUNNY SKIES ARE EXPECTED TODAY AND FRIDAY AS HIGH
PRESSURE ALOFT CROSSES THE AREA. HIGH TEMPERATURES TODAY WILL
CLIMB INTO THE LOWER 40S...WITH AFTERNOON MINIMUM RELATIVE
HUMIDITIES FALLING INTO THE 30 TO 35 PERCENT RANGE. 20 FT WINDS
WILL BE OUT OF THE WEST TO SOUTHWEST AT 8 TO 12 MPH. WITH THE
WARMER AIR ALOFT...MIXING HEIGHTS WILL REMAIN UNDER 1000 FT
AGL...WHICH WILL RESULT IN POOR SMOKE DISPERSAL.

SLIGHTLY WARMER AND DRIER CONDITIONS ARE EXPECTED ON FRIDAY...WITH
WEST WINDS INCREASING TO 15 TO 20 MPH. MIXING HEIGHTS WILL REMAIN
BELOW 1000 FT AGL.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 43.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 12 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....AROUND 23.
MAX HUMIDITY........52 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 10 TO 15 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......100 TO 300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AROUND 17 MPH.
SMOKE DISPERSAL.....POOR.

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....AROUND 46.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH.
CWR.................0 PERCENT.
MIXING HEIGHT.......400 TO 800 FT AGL.
TRANSPORT WINDS.....WEST AROUND 30 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...SR
REQUESTED BY...PAPENFUSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130117.OBRIE.01/UNR