FNUS73 KUNR 181325
FWSUNR

SPOT FORECAST FOR MARTIN RX...US FOREST SERVICE
NATIONAL WEATHER SERVICE RAPID CITY SD
725 AM MDT MON OCT 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 MDT ON OCTOBER 18.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...HIGH PRESSURE WILL BRING SUNNY SKIES AND MILD
TEMPERATURES TO THE REGION FOR THE NEXT SEVERAL DAYS. HIGHS
TODAY WILL BE IN THE 50S WITH MINIMUM RELATIVE HUMIDITIES
AROUND 25 PERCENT. WINDS WILL BE LIGHT FROM THE SOUTHWEST.
MIXING HEIGHTS WILL INCREASE TO NEAR 4700 FT AGL BY THIS
AFTERNOON. TONIGHT WILL BE CLEAR AND COOL WITH EXCELLENT
RELATIVE HUMIDITY RECOVERY.

TUESDAY WILL SEE SLIGHTLY WARMER TEMPERATURES WITH NORTHWEST
WINDS INCREASING TO 10 TO 15 MPH IN THE AFTERNOON. MINIMUM
RELATIVE HUMIDITIES WILL AGAIN BE NEAR 25 PERCENT WITH MIXING
HEIGHTS INCREASING TO AROUND 5200 FT AGL.


.TODAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........41 AT IGNITION...MAX 56.
RH..................46 PERCENT AT IGNITION...MIN 26 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 5 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    SOUTHWEST 5 TO 6 MPH IN THE LATE MORNING AND
                    AFTERNOON.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4300 TO 5300 FT AGL.
TRANSPORT WINDS.....WEST 6 TO 13 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 27.
RH..................MAX 96 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE
                    EVENING BECOMING LIGHT...THEN BECOMING
                    NORTHWEST 5 TO 7 MPH AFTER MIDNIGHT.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100 TO 600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.
SMOKE DISPERSAL.....POOR.

.TUESDAY...

SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 61.
RH..................MIN 25 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 13 MPH.
CWR.................0 PERCENT.
LAL.................1.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4600 TO 5600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 12 TO 18 MPH INCREASING TO 21 TO 28
                    MPH LATE IN THE MORNING...THEN DECREASING TO
                    AROUND 15 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD LATE IN THE
                    MORNING...THEN DECREASING TO GOOD LATE IN THE
                    AFTERNOON.

$$
FORECASTER...LC
REQUESTED BY...JAY MILLER
TYPE OF REQUEST...PRESCRIBED
.TAG 20101018.MARTI.01/UNR