FNUS73 KABR 211348
FWSABR

SPOT FORECAST FOR WAKPALA RX...STANDING ROCK AGENCY
NATIONAL WEATHER SERVICE ABERDEEN SD
748 AM CST WED DEC 21 2011

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

.DISCUSSION...

A FRONT PUSHING THROUGH THE REGION WILL CAUSE WINDS TO  SHIFT TO
NORTHERLY...ALONG WITH BRINGING IN SOME LIGHT SNOWFALL. SNOW WILL
PERSIST THROUGH THE EARLY AFTERNOON BEFORE SHIFTING SOUTH...THOUGH
COLDER AIR WILL CONTINUE TO FUNNEL INTO THE REGION.

.TODAY...
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT CLOUD). A CHANCE
                    OF RAIN OR SNOW UNTIL 1200...THEN A SLIGHT
                    CHANCE OF SNOW UNTIL 1800.
MAX TEMPERATURE.....36-41.
MIN HUMIDITY........69-74 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 11 MPH.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......1300-2200 FT AGL UNTIL 1800...THEN 300 FT AGL.
TRANSPORT WINDS.....NORTH 21 TO 28 MPH.
SMOKE DISPERSAL.....17300-27300.

TIME (CST)      12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........96  93  88  83  78  73  70
WEATHER COV.....SCH SCH SCH SCH SCH SCH
WEATHER TYPE....SN  SN  SN  SN  SN  SN
TEMP............38  38  38  37  36  34  32
RH..............72  71  71  74  75  77  80
20 FT WIND DIR..N   N   N   N   N   N   N
20 FT WIND SPD..9   9   9   10  10  10  10
20 FT WIND GUST.15  15  15  15  15  15  15

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT CLOUD) UNTIL
                    2400...THEN PARTLY CLOUDY (30-40 PERCENT
                    CLOUD).
MIN TEMPERATURE.....14-19.
MAX HUMIDITY........95-100 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 13 MPH. GUSTS UP TO 20 MPH
                    EARLY IN THE EVENING.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 26 MPH.
SMOKE DISPERSAL.....4600-5700.

TIME (CST)      7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM
SKY (%).........68  64  60  56  52  50  48  42  37  32  27  24
WEATHER COV.....
WEATHER TYPE....
TEMP............30  27  25  24  23  24  23  21  21  19  18  18
RH..............87  96  100 98  92  78  77  76  75  76  77  77
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   N   NW  NW
20 FT WIND SPD..10  11  11  12  12  12  12  11  11  10  9   9
20 FT WIND GUST.15  15  20  20  20  20  20  20  15  15  15  15

.THURSDAY...
SKY/WEATHER.........SUNNY (15-25 PERCENT CLOUD).
MAX TEMPERATURE.....29-34.
MIN HUMIDITY........46-51 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH.
MIXING HEIGHT.......300 FT AGL UNTIL 1200...THEN 2600 FT AGL UNTIL
                    1800...THEN 300 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 25 MPH UNTIL 1800...THEN AROUND 15
                    MPH.
SMOKE DISPERSAL.....15300-25300.

$$
FORECASTER...CONNELLY
REQUESTED BY...STEVEN IPSWITCH
TYPE OF REQUEST...PRESCRIBED
.TAG 20111221.WAKPA.01/ABR