FNUS73 KABR 181237
FWSABR

SPOT FORECAST FOR SCHAFFER...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE ABERDEEN SD
737 AM CDT MON MAY 18 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A COLD FRONT WILL APPROACH THE AREA THIS AFTERNOON
FROM THE NORTH. SOUTH OR SOUTHWEST WINDS WILL TURN THROUGH THE
WEST AND FINALLY NORTH LATER THIS EVENING AND OVERNIGHT AS THE
FRONT MOVES THROUGH. COOLER AND DRIER AIR WILL MOVE IN BRIEFLY
BEFORE WARMER AIR RETURNS TUESDAY EVENING.

.TODAY...
SKY/WEATHER.........SUNNY (20-30 PERCENT CLOUD).
MAX TEMPERATURE.....78-83.
MIN HUMIDITY........33-38 PERCENT.
WIND (20 FT)........SOUTH WINDS BECOMING NORTH 6 TO 16 MPH.
HAINES INDEX........6 OR HIGH.
MIXING HEIGHT.......300 FT AGL UNTIL 1300...THEN 2900 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 19 MPH.
SMOKE DISPERSAL.....24800-37800.
CWR.................ZERO.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY (%).........22     18     21     24
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............69     75     77     78
RH..............44     37     36     36
20 FT WIND......W 6    W 7    NW 12  N 14
20 FT WIND GUST.       10     20     20

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD) UNTIL
                    2400...THEN MOSTLY CLOUDY (55-65 PERCENT
                    CLOUD).
MIN TEMPERATURE.....38-43.
MAX HUMIDITY........64-69 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 11 TO 18 MPH WITH GUSTS TO
                    AROUND 25 MPH.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......300-600 FT AGL.
TRANSPORT WINDS.....NORTH 31 TO 36 MPH.
SMOKE DISPERSAL.....7500-17500.
CWR.................ZERO.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........26     35     48     58     60     64
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............76     65     57     52     47     45
RH..............38     50     57     59     64     69
20 FT WIND......NE 14  NE 14  NE 14  NE 14  NE 14  NE 15
20 FT WIND GUST.20     20     20     20     20     25

.TUESDAY...
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT CLOUD).
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 12 TO 20 MPH.
HAINES INDEX........2 OR VERY LOW.
MIXING HEIGHT.......1600 FT AGL UNTIL 1300...THEN 2800 FT AGL.
TRANSPORT WINDS.....NORTH 31 TO 36 MPH UNTIL 1300...THEN 22 TO 27
                    MPH.
SMOKE DISPERSAL.....46200-59100.
CWR.................ZERO.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........67     57     43     33     33     33
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............44     51     58     63     66     67
RH..............69     52     40     34     32     33
20 FT WIND......E 17   E 18   E 17   SE 15  SE 15  SE 15
20 FT WIND GUST.25     25     25     25     25     25

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. SOUTH
WINDS 11 TO 21 MPH.
.THURSDAY...
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTH
WINDS 8 TO 18 MPH.
.FRIDAY...
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID 60S.
SOUTHEAST WINDS AROUND 9 MPH.

$$
FORECASTER...KEEFE
REQUESTED BY...FIRE MANAGEMENT OFFICER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090518.SCHAF.01/ABR