FNUS73 KUNR 181718
FWSUNR

SPOT FORECAST FOR PINE RIDGE WEST RX...PINE RIDGE AGENCY
NATIONAL WEATHER SERVICE RAPID CITY SD
1118 AM MDT SUN APR 18 2010

FORECAST IS BASED ON IGNITION TIME OF 1300 MDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE OFFICE IN RAPID CITY.

.DISCUSSION...SCATTERED SHOWERS ARE EXPECTED TODAY... WITH A
THUNDERSTORM POSSIBLE LATE THIS AFTERNOON AND EARLY THIS
EVENING. TEMPERATURES WILL BE IN THE LOWER 60S WITH MINIMUM
RELATIVE HUMIDITIES AROUND 35 PERCENT.

THERE WILL BE A CONTINUED CHANCE OF SHOWERS TONIGHT. RELATIVE
HUMIDITY RECOVERY WILL BE EXCELLENT. SCATTERED AFTERNOON AND
EVENING THUNDERSTORMS WILL BE POSSIBLE AGAIN ON MONDAY.


.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY. SCATTERED RAIN SHOWERS THROUGH
                    THE DAY. ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON.
                    TEMPERATURE.........56 AT IGNITION...MAX 63.
                    MIN HUMIDITY........53 PERCENT AT IGNITION...MIN 39 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 13 MPH AT IGNITION...OTHERWISE
                    SOUTH WINDS 9 TO 15 MPH SHIFTING TO THE EAST
                    AROUND 9 MPH LATE IN THE AFTERNOON.
CWR.................20 PERCENT.
LAL.................1 UNTIL 1200...THEN 2.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4400 TO 5400 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 14 MPH.
SMOKE DISPERSAL.....FAIR.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
                    IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS
                    THROUGH THE NIGHT.
MIN TEMPERATURE.....41.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH BECOMING LIGHT.
CWR.................14 PERCENT.
LAL.................2 UNTIL 2400...THEN 1.
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......500 TO 1000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 9 MPH.
SMOKE DISPERSAL.....POOR.

$$
FORECASTER...LC
REQUESTED BY...MICHAEL TWISS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100418.PINER.01/UNR