FNUS73 KMPX 021250
FWSMPX

SPOT FORECAST FOR ERICSON...USFWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
750 AM CDT SAT MAY 2 2009

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MAINLY SUNNY SKIES SHOULD PREVAIL ACROSS THE ST CROIX VALLEY THROUGH
AT LEST EARLY AFTERNOON. MINIMUM HUMIDITY VALUES THIS AFTERNOON WILL
DROP TO NEAR 25 PERCENT. WEST SOUTHWEST WINDS THIS EARLY MORNING WILL
BECOME DUE WEST BY 9 AM AT THE BURN SITE AND GENERALLY REMAIN THAT WAY
THROUGH THE DAY. THEY MAY ATTAIN A SLIGHT NORTHWEST COMPONENT...BUT
SHOULD PRIMARILY BE WESTERLY. SPEEDS WILL BE AT 13 TO 17 MPH THIS
AFTERNOON WITH OCCASIONAL HIGHER GUSTS TO 25 MPH BETWEEN 12 PM AND 6 PM.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........48 AT IGNITION...MAX 61.
RH..................44 PERCENT AT IGNITION...MIN 26 PERCENT.
WIND (20 FT)........WINDS WEST AT 10 MPH AT IGNITION...OTHERWISE
                    WINDS WEST 13 TO 17 MPH WITH GUSTS TO AROUND 25 MPH.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO GOOD (2100-50700) INCREASING TO
                    EXCELLENT (194600-242700).
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 10100-10900 FT
                    AGL.
MIXING WINDS........WEST 12 TO 20 MPH INCREASING TO 24 TO 31 MPH IN
                    THE LATE MORNING AND AFTERNOON.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........MCLEAR PCLDY  PCLDY  MCLDY  MCLDY  MCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............40     48     54     59     61     60
RH..............66     44     34     28     26     28
20 FT WIND......SW 4   W 9    W 14   W 15   W 12   W 9
20 FT WIND GUST.5      15     25     25     20     15
HAINES INDEX....5      5      5      5      5      5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
TEMPERATURE.........MIN 40.
RH..................MAX 73 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
                    LIGHT.
SMOKE DISPERSAL.....EXCELLENT (218800) DECREASING TO POOR TO GOOD
                    (1300-48800).
MIXING HEIGHT.......9700 FT AGL DECREASING TO 300-600 FT AGL.
MIXING WINDS........WEST 25 TO 30 MPH BECOMING NORTHWEST 7 TO 10
                    MPH.

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 64.
RH..................MIN 27 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH
                    EARLY IN THE MORNING.
HAINES INDEX........3 TO 4 OR OR VERY LOW TO OR LOW.
SMOKE DISPERSAL.....POOR TO GOOD (7000-50500) INCREASING TO
                    EXCELLENT (78300-96100) IN THE LATE MORNING AND
                    AFTERNOON.
MIXING HEIGHT.......800-2300 FT AGL INCREASING TO 5800-7600 FT AGL.
MIXING WINDS........NORTHWEST 13 TO 20 MPH.

$$
FORECASTER...GRIESINGER
REQUESTED BY...JOEL KEMM
TYPE OF REQUEST...PRESCRIBED
.TAG 20090502.ERICS.01/MPX