FNUS73 KABR 211425
FWSABR

SPOT FORECAST FOR TZ...BUREAU OF INDIAN AFFAIRS
NATIONAL WEATHER SERVICE ABERDEEN SD
925 AM CDT TUE SEP 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON SEPTEMBER 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A SURFACE HIGH WILL BE IN CONTROL ACROSS THE REGION
TODAY WITH A NORTHWEST BREEZE AND COOLER TEMPERATURES. THE WIND
DIRECTION WILL SWITCH TO THE EAST AND SOUTHEAST ON WEDNESDAY AND
BEGIN TO INCREASE AS LOW PRESSURE GATHERS STRENGTH. WIDESPREAD
RAIN IS EXPECTED WEDNESDAY NIGHT AND THURSDAY AS THIS LOW MOVES
ACROSS THE REGION.

.TODAY....
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT CLOUD).
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........49-54 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH UNTIL 0800...THEN
                    NORTHWEST 5 TO 12 MPH WITH GUSTS TO AROUND 20
                    MPH UNTIL 1800...THEN LIGHT.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......800 FT AGL UNTIL 1000. 3900 FT AGL AFTER 1600.
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH UNTIL 1600...THEN 6 TO
                    11 MPH.
SMOKE DISPERSAL.....AROUND 11400 UNTIL 1000...THEN 28500-41800.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      NOON   2 PM   4 PM   6 PM
SKY (%).........44     43     41     40
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............60     63     65     63
RH..............60     54     52     56
20 FT WIND......NW 10  N 8    NW 5   N 4
20 FT WIND GUST.15     10            5

.WEDNESDAY...
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT CLOUD). A CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER 1300.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........55-60 PERCENT.
WIND (20 FT)........EAST WINDS 5 TO 11 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS AFTER 1300.
HAINES INDEX........3 OR VERY LOW.
MIXING HEIGHT.......300 FT AGL UNTIL 1000. 3300 FT AGL AFTER 1600.
TRANSPORT WINDS.....EAST 11 TO 20 MPH.
SMOKE DISPERSAL.....35400-50400.
CWR.................30 PERCENT.
LAL.................3.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........53     54     55     56     65     76
WEATHER COV.....                     CHANCE CHANCE CHANCE
WEATHER TYPE....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
TEMP............47     51     57     62     65     65
RH..............87     80     69     62     58     58
20 FT WIND......E 5    E 6    E 8    SE 10  E 10   E 10
20 FT WIND GUST.              10     15     15     15

$$
FORECASTER...CONNELLY/EWY
REQUESTED BY...HEATH ESTEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20100921.TZ___.01/ABR