FNUS73 KABR 241103
FWSABR

SPOT FORECAST FOR SEVERSON...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE ABERDEEN SD
603 AM CDT TUE APR 24 2012

FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 24.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WINDS WILL BE FAIRLY LIGHT TODAY AS A WEAK FRONTAL BOUNDARY
APPROACHES CENTRAL SOUTH DAKOTA. AS THE FRONT MOVES THROUGH THIS
AFTERNOON AND OVERNIGHT...A FEW SHOWERS AND THUNDERSTORMS ARE
POSSIBLE.

.TODAY...
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD).
MAX TEMPERATURE.....73-78.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........LIGHT WINDS UNTIL 0900...THEN SOUTH 5 TO 8 MPH.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......1300 FT AGL UNTIL 1300...THEN 3700 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 13 MPH.
SMOKE DISPERSAL.....13900-23900.
CWR.................ZERO.
LAL.................1.

TIME (CDT)      10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........26     27     27     27     27
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............62     68     73     75     75
RH..............50     44     40     38     39
20 FT WIND......S 5    SE 5   SE 6   SE 7   S 7
20 FT WIND GUST.       10     10     10     10

.TONIGHT...
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT CLOUD) UNTIL
                    2300...THEN MOSTLY CLOUDY (55-65 PERCENT
                    CLOUD). A CHANCE OF SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....55-60.
MAX HUMIDITY........70-75 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........4 OR LOW.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 21 MPH.
SMOKE DISPERSAL.....3100-3900.
CWR.................10 PERCENT.
LAL.................3.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........27     39     54     65     61     54
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............73     67     61     60     59     58
RH..............41     52     62     66     67     72
20 FT WIND......S 7    S 7    S 7    S 7    S 6    SW 5
20 FT WIND GUST.10     10     10     10     10     10

.WEDNESDAY...
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT CLOUD).
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........38-43 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 12 MPH WITH GUSTS TO AROUND 20
                    MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
HAINES INDEX........6 OR HIGH.
MIXING HEIGHT.......1100 FT AGL UNTIL 1300...THEN 3500 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 25 MPH UNTIL 1300...THEN NORTHWEST
                    19 TO 24 MPH.
SMOKE DISPERSAL.....AROUND 21500 UNTIL 1300...THEN AROUND 63300.
CWR.................LESS THAN 10 PERCENT.
LAL.................1.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........49     46     42     39     39     38
WEATHER COV.....S CHC  S CHC  S CHC  S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............57     66     73     76     77     75
RH..............74     57     46     42     40     40
20 FT WIND......SW 5   W 7    NW 9   NW 11  N 11   N 10
20 FT WIND GUST.10     10     15     15     20     15

$$
FORECASTER...PARKIN
REQUESTED BY...FMS
TYPE OF REQUEST...PRESCRIBED
.TAG 20120424.SEVER.01/ABR