FNUS73 KMPX 281038
FWSMPX

SPOT FORECAST FOR SBR BU 9...USFWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
538 AM CDT TUE APR 28 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE AREA THIS MORNING WILL SHIFT TO THE EAST
BY LATER TODAY. EASTERLY WINDS WILL INCREASE THIS AFTERNOON AND CONTINUE TO
USHER IN DRY AIR. AFTERNOON RELATIVE HUMIDITIES ARE EXPECTED TO RANGE FROM
30 TO 35 PERCENT. LOW PRESSURE OVER THE PLAINS WILL MOVE EASTWARD TONIGHT AND
BRING INCREASING CHANCES FOR SHOWERS AND ISOLATED THUNDERSTORMS ACROSS WEST
CENTRAL MINNESOTA LATE TONIGHT. THE SHOWERS AND STORMS WILL EXPAND EASTWARD
THROUGH THE DAY WEDNESDAY. A COOL FRONT WILL CROSS THE AREA LATE WEDNESDAY AND
EARLY THURSDAY BRINGING ADDITIONAL SHOWERS AND THUNDERSTORMS WITH IT.
PRECIPITATION CHANCES WILL DECREASE FROM THURSDAY AFTERNOON ONWARD BUT SMALL
CHANCES WILL REMAIN INTO THE WEEKEND. BELOW NORMAL TEMPERATURES WILL CONTINUE
THROUGH THE REST OF THE WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........49 AT IGNITION...MAX 61.
RH..................46 PERCENT AT IGNITION...MIN 31 PERCENT.
WIND (20 FT)........WINDS EAST AT 9 MPH AT IGNITION...OTHERWISE
                    EAST AT 10 TO 15 MPH THROUGH THE AFTERNOON.
HAINES INDEX........3 OR VERY LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....POOR TO GOOD (1300-50800) INCREASING TO
                    EXCELLENT (112600).
MIXING HEIGHT.......300-1300 FT AGL INCREASING TO 6000-6600 FT AGL.
MIXING WINDS........EAST 7 TO 16 MPH INCREASING TO SOUTHEAST 18 TO
                    25 MPH IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
SKY (%).........CLEAR  MCLEAR MCLEAR MCLEAR PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............42     49     54     59     60     59
RH..............62     46     38     33     32     34
20 FT WIND......E 5    E 8    E 11   E 13   E 11   E 11
20 FT WIND GUST.       10     15     20     20     20
HAINES INDEX....3      3      3      4      4      3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS AND ISOLATED
                    THUNDERSTORMS AFTER MIDNIGHT. CHANCE OF RAIN 20
                    PERCENT.
TEMPERATURE.........MIN 40.
RH..................MAX 76 PERCENT.
WIND (20 FT)........EAST WINDS 7 TO 12 MPH.
SMOKE DISPERSAL.....EXCELLENT (79500-113800) DECREASING TO POOR TO
                    GOOD (9300-44200) EARLY IN THE EVENING.
MIXING HEIGHT.......4000-5700 FT AGL DECREASING TO 600-2300 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........EAST 18 TO 26 MPH.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS. CHANCE OF RAIN 40 PERCENT.
TEMPERATURE.........MAX 56.
RH..................MIN 47 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 13 MPH.
HAINES INDEX........2 TO 3 OR OR VERY LOW.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (13000-62500) INCREASING TO
                    EXCELLENT (66500-67900) LATE IN THE AFTERNOON.
MIXING HEIGHT.......900-2700 FT AGL INCREASING TO 3100-3400 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 20 TO 28 MPH.

$$
FORECASTER...MCQUIRTER
REQUESTED BY...RUSS LANGFORD
TYPE OF REQUEST...PRESCRIBED
.TAG 20090428.SBRBU.01/MPX