FNUS73 KMPX 211742
FWSMPX

SPOT FORECAST FOR ATR AMENDED 2...FWS
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1242 PM CDT WED APR 21 2010

FORECAST IS BASED ON IGNITION TIME OF 1330 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT PUSHED ACROSS THE BURN AREA EARLY THIS MORNING.
NORTHEAST WINDS WILL CONTINUE THROUGH THE AFTERNOON. SPEEDS WILL
REMAIN UP NEAR 9 TO 11 MPH...WITH SPORADIC GUSTS UP TO
14 MPH. TEMPERATURES WILL BE COOLER...BUT HUMIDITY WILL
STILL FALL INTO THE MID TO UPPER 20 PERCENT RANGE BY LATER AFTERNOON.
STRONG HIGH PRESSURE WILL BUILD SOUTH OUT OF HUDSON BAY INTO THE
GREAT LAKES MAINTAINING DRY CONDITIONS THROUGH AT LEAST FRIDAY
MORNING.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
                    TEMPERATURE.........60 AT IGNITION...MAX 65.
                    MIN HUMIDITY........40 PERCENT AT IGNITION...MIN 27 PERCENT.
WIND (20 FT)........WINDS NORTHEAST AT 9 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    NORTHEAST 5 TO 6 MPH EARLY IN THE
                    MORNING...THEN BECOMING LIGHT LATE IN THE
                    MORNING BECOMING NORTHEAST 5 TO 9 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE AT IGNITION...MAX 6.
SMOKE DISPERSAL.....POOR TO GOOD (5600-33600).
MIXING HEIGHT.......800-2400 FT AGL INCREASING TO 6200-7900 FT AGL.
MIXING WINDS........NORTH 3 TO 10 MPH.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM   7 PM   9 PM
SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............54     59     63     65     62     56
RH..............50     38     31     27     30     40
20 FT WIND......NE 7   E 8    NE 8   NE 7   NE 7   NE 7
20 FT WIND GUST.10     15     10     10     10     10
HAINES INDEX....5      5      4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....40.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 8 MPH BECOMING LIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (3400-27500).
MIXING HEIGHT.......3700-5400 FT AGL DECREASING TO 300-2000 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........NORTHEAST 6 TO 15 MPH SHIFTING TO THE SOUTHEAST
                    9 TO 18 MPH IN THE LATE EVENING AND OVERNIGHT.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....71.
MIN HUMIDITY........28 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH EARLY
                    IN THE MORNING.
HAINES INDEX........3 TO 5 OR OR VERY LOW TO OR MODERATE.

$$
FORECASTER...FRIEDLEIN
REQUESTED BY...DAN ANGELO
TYPE OF REQUEST...PRESCRIBED
.TAG 20100421.ATRAM.01/MPX