FNUS73 KMPX 221409
FWSMPX

SPOT FORECAST FOR PRAIRIE ISLAND RESTORATION...BUREAU OF INDIAN AFFAIRS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
909 AM CDT WED APR 22 2009

FORECAST IS BASED ON IGNITION TIME OF 0915 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL MOVE ACROSS THE AREA TODAY...AND BRING LIGHT NORTHWEST
WINDS. TEMPERATURES WILL WARM INTO THE LOW 60S AT THE BURN SITE...AND
COMBINE WITH DECREASING RELATIVE HUMIDITIES 20 TO 25 PERCENT
THIS AFTERNOON. THE HIGH WILL MOVE OFF BY LATE AFTERNOON...AND
CAUSE WINDS TO SHIFT TO SOUTHEASTERLY IN DIRECTION TONIGHT.
SOUTHERLY WINDS WILL CONTINUE INCREASING ON THURSDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........48 AT IGNITION...MAX 61.
RH..................51 PERCENT AT IGNITION...MIN 22 PERCENT.
WIND (20 FT)........WINDS NORTHWEST AT 8 MPH AT
                    IGNITION...OTHERWISE NORTHWEST WINDS 5 TO 9 MPH
                    UNTIL LATE AFTERNOON BECOMING LIGHT.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO EXCELLENT (12300-60800) INCREASING TO
                    EXCELLENT (71100-92600) IN THE LATE MORNING AND
                    EARLY AFTERNOON...THEN DECREASING TO FAIR TO
                    GOOD (15800-42200) LATE IN THE AFTERNOON.
MIXING HEIGHT.......1000-2000 FT AGL INCREASING TO 5600-6500 FT
                    AGL.
MIXING WINDS........NORTHWEST 15 TO 21 MPH BECOMING NORTHEAST 3 TO
                    9 MPH LATE IN THE AFTERNOON.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............37     47     51     57     60     61
RH..............72     51     36     27     23     22
20 FT WIND......NW 5   NW 7   NW 8   NW 8   NW 6   N 4
20 FT WIND GUST.       10     15     15     10     5
HAINES INDEX....5      5      4      3      3      3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AFTER
                    MIDNIGHT.
TEMPERATURE.........MIN 43.
RH..................MAX 79 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 8 TO 13 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (2600-19800).

$$
FORECASTER...WFO MPX
REQUESTED BY...MARTY CASSELLIUS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090422.PRAIR.01/MPX