FNUS73 KABR 111254
FWSABR

SPOT FORECAST FOR PETERSON MEMORIAL...US FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE ABERDEEN SD
754 AM CDT MON MAY 11 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WEAK UPPER LEVEL DISTURBANCE SLIDING ALONG THE NORTH
DAKOTA/SOUTH DAKOTA BORDER THIS MORNING WILL BRING ISOLATED
SHOWERS TO SECTIONS OF NORTHEAST SOUTH DAKOTA AND WEST CENTRAL
MINNESOTA. WITH THE INCREASED CLOUD COVER...RELATIVE HUMIDITIES
ARE ONLY EXPECTED TO FALL INTO THE 35-40 PERCENT RANGE THIS
AFTERNOON. ANOTHER DISTURBANCE WILL MOVE INTO THE REGION
OVERNIGHT...BRINGING CONTINUED CHANCES OF SHOWERS AND
THUNDERSTORMS.


.TODAY...
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT CLOUD). A SLIGHT
                    CHANCE OF SHOWERS. A SLIGHT CHANCE OF
                    THUNDERSTORMS AFTER 1300.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........36-41 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH. GUSTS UP TO 20 MPH IN
                    THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
                    NEAR THUNDERSTORMS AFTER 1300.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......1600 FT AGL UNTIL 1300...THEN 7300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 22 TO 27 MPH UNTIL 1300...THEN 15 TO
                    20 MPH.
SMOKE DISPERSAL.....AROUND 33200 UNTIL 1300...THEN AROUND 108600.
CWR.................ZERO.
LAL.................2.

TIME (CDT)      NOON   2 PM   4 PM   6 PM
SKY (%).........58     59     63     67
WEATHER COV.....S CHC  S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............60     63     66     65
RH..............45     42     38     38
20 FT WIND......S 10   S 12   S 11   S 11
20 FT WIND GUST.15     20     20     20

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT CLOUD). A CHANCE
                    OF SHOWERS AND THUNDERSTORMS.
MIN TEMPERATURE.....46-51.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 15 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........5 OR MODERATE.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTH 26 TO 31 MPH.
SMOKE DISPERSAL.....6000-6700.
CWR.................40 PERCENT.
LAL.................3.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........68     66     63     61     71     84
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............64     59     55     53     51     50
RH..............38     48     57     65     71     76
20 FT WIND......S 11   S 11   S 12   S 14   S 14   S 14
20 FT WIND GUST.15     20     20     20     20     20

.TUESDAY...
SKY/WEATHER.........CLOUDY (85-95 PERCENT CLOUD). A CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
MAX TEMPERATURE.....70-75.
MIN HUMIDITY........48-53 PERCENT.
WIND (20 FT)........SOUTH WINDS 9 TO 19 MPH. GUSTS UP TO 25 MPH
                    UNTIL LATE AFTERNOON. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS.
HAINES INDEX........3 OR VERY LOW.
MIXING HEIGHT.......2000 FT AGL UNTIL 1300...THEN 4400 FT AGL.
TRANSPORT WINDS.....SOUTH 37 TO 42 MPH UNTIL 1300...THEN 27 TO 32
                    MPH.
SMOKE DISPERSAL.....AROUND 68100 UNTIL 1300...THEN AROUND 110000.
CWR.................10 PERCENT.
LAL.................3.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........94     93     91     89     87     84
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............49     57     63     67     70     70
RH..............80     66     57     53     51     51
20 FT WIND......S 14   S 15   S 17   S 17   S 14   S 11
20 FT WIND GUST.20     25     25     25     20     15

$$
FORECASTER...HINTZ
REQUESTED BY...JASON WAGNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090511.PETER.01/ABR