FNUS73 KUNR 291903
FWSUNR

SPOT FORECAST FOR HERMOSA PB...STATE OF SD
NATIONAL WEATHER SERVICE RAPID CITY SD
1203 PM MST TUE DEC 29 2009

FORECAST IS BASED ON IGNITION TIME OF 0930 MST ON DECEMBER 29.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...
FAIRLY QUIET WEATHER WILL PERSIST TODAY INTO FRIDAY WITH
TEMPERATURES BELOW AVERAGE. WINDS WILL BE RELATIVELY LIGHT AND A
SUBSTANTIAL INVERSION WILL PUT A DAMPER ON MIXING.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 40.
RH..................MIN 35 PERCENT.
WIND (20 FT)........WINDS VARIABLE 2-5 MPH.
CWR.................0 PERCENT.
LAL.................1
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......LESS THAN 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY.
TEMPERATURE.........MIN 16.
RH..................MAX 71 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 7 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......LESS THAN 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 31.
RH..................MIN 41 PERCENT.
WIND (20 FT)........VARIABLE 5 TO 10 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...MB
REQUESTED BY...MEGAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20091229.HERMO.01/UNR