239
FNUS73 KMPX 051100
FWSMPX
SPOT FORECAST FOR NFWFN...AFTON STATE PARK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
600 AM CDT TUE AUG 5 2008
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON AUGUST 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
AN AREA OF SURFACE HIGH PRESSURE WILL DOMINATE THE REGION TODAY AND TOMORROW.
TRANQUIL CONDITIONS...ABSENT OF PRECIPITATION AND CHARACTERIZED BY NEAR
TO SLIGHTLY BELOW NORMAL TEMPERATURES WILL PREVAIL THROUGH THE REMAINDER
OF THE WORK WEEK. WINDS WILL GENERALLY REMAIN AROUND OR BELOW 10 KNOTS.
TODAY
SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FOG EARLY IN THE
MORNING.
TEMPERATURE.........74 AT IGNITION...MAX 83.
RH..................59 PERCENT AT IGNITION...MIN 44 PERCENT.
WIND (20 FT)........WINDS NORTH AT 8 MPH AT IGNITION...OTHERWISE
NORTHWEST WINDS 5 TO 10 MPH.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 5.
SMOKE DISPERSAL.....POOR TO GOOD (2600-51400) INCREASING TO
EXCELLENT (61700-98600) IN THE LATE MORNING AND
AFTERNOON...THEN DECREASING TO GOOD (39900)
LATE IN THE AFTERNOON.
MIXING HEIGHT.......300-1500 FT AGL INCREASING TO 2700-3900 FT AGL
EARLY IN THE MORNING...THEN INCREASING TO
4700-6300 FT AGL LATE IN THE MORNING INCREASING
TO 6900-8100 FT AGL EARLY IN THE AFTERNOON
DECREASING TO 5500 FT AGL DECREASING TO 2900 FT
AGL LATE IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 14 TO 18 MPH.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM
SKY (%).........PCLDY PCLDY PCLDY MCLEAR MCLEAR MCLEAR
WEATHER COV.....AREAS
WEATHER TYPE....FOG NONE NONE NONE NONE NONE
TEMP............68 74 79 82 83 81
RH..............73 59 50 46 44 47
20 FT WIND......N 6 N 7 NW 8 NW 8 NW 9 NW 8
20 FT WIND GUST.10 15 15 15 15 15
HAINES INDEX....4 4 3 4 5 5
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 55.
RH..................MAX 96 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT.
SMOKE DISPERSAL.....POOR (400-3500).
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........NORTHWEST 9 TO 18 MPH BECOMING WEST 2 TO 5 MPH
IN THE LATE EVENING AND OVERNIGHT.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
RH..................MIN 36 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE.
SMOKE DISPERSAL.....POOR TO GOOD (400-47700) INCREASING TO
EXCELLENT (128300-159000).
MIXING HEIGHT.......300-400 FT AGL INCREASING TO 2700 FT AGL LATE
IN THE MORNING...THEN INCREASING TO 5000 FT AGL
LATE IN THE MORNING INCREASING TO 7300-8400 FT
AGL EARLY IN THE AFTERNOON INCREASING TO
9500-10800 FT AGL DECREASING TO 8200 FT AGL
LATE IN THE AFTERNOON.
MIXING WINDS........WEST 2 TO 9 MPH INCREASING TO NORTHWEST 13 TO
21 MPH LATE IN THE MORNING.
FORECASTER...RICHARDSON
REQUESTED BY...GENE GROEBNER
TYPE OF REQUEST...PRESCRIBED
.TAG 20080805.NFWFN.01/MPX
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