FNUS73 KDLH 041647
FWSDLH

SPOT FORECAST FOR CPF PO RX...CHIPPEWA NF
NATIONAL WEATHER SERVICE DULUTH MN
1147 AM CDT WED APR 4 2012

FORECAST IS BASED ON IGNITION TIME OF 1330 CDT ON APRIL 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
VERY DRY HUDSON BAY HIGH IS BUILDING INTO THE LAKE SUPERIOR BASIN.
THE DRY AIR IS ALLOWING TEMPERATURES OF AREAS...NOT RIGHT ON
SHORELINES...TO RISE RAPIDLY. THOUGH THIS LOCATION IS NEAR WATER...
IT IS FAR ENOUGH INLAND FOR RELATIVE HUMIDITIES TO BECOME RATHER
LOW. THE SAME BASIC WEATHER PATTERN...WITH COMPLETELY CLEAR SKIES
WILL CONTINUE THURSDAY. RAPID COOLING THIS EVENING WILL RESULT IN
A STRONG TEMPERATURE INVERSION AND POOR DISPERSION TONIGHT.  A
SLIGHTLY GREATER PRESSURE GRADIENT WILL RESULT IN MORE WINDS
THURSDAY.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 3 TO 4 MPH IN THE
                    MORNING...THEN BECOMING NORTHEAST 5 TO 6 MPH IN
                    THE AFTERNOON.
MIXING HEIGHT.......500 FT AGL INCREASING TO 5600 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH BECOMING EAST IN THE LATE
                    MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (1400) INCREASING TO FAIR (14200) LATE IN
                    THE MORNING...THEN INCREASING TO GOOD (38300)
                    EARLY IN THE AFTERNOON DECREASING TO GOOD
                    (33500) LATE IN THE AFTERNOON.

TIME (CDT)      1 PM   3 PM   5 PM
TEMP............59     62     61
RH..............26     23     24
20 FT WIND DIR..NE     NE     NE
20 FT WIND SPD..5      5      5
20 FT WIND GUST.6      7      7

.TONIGHT...

SKY/WEATHER.........CLEAR. AREAS OF FROST AFTER MIDNIGHT.
MIN TEMPERATURE.....27-32.
MAX HUMIDITY........75 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 3 TO 5 MPH.
MIXING HEIGHT.......4400 FT AGL DECREASING TO 400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (35900) DECREASING TO POOR (1500).

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............52     45     40     37     34     32
RH..............33     45     55     61     66     72
20 FT WIND DIR..NE     E      E      E      E      SE
20 FT WIND SPD..5      4      4      4      3      3
20 FT WIND GUST.6      5      5      5

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY. AREAS OF FROST EARLY IN THE
                    MORNING.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 4 TO 8 MPH INCREASING TO 9 TO
                    11 MPH IN THE AFTERNOON.
MIXING HEIGHT.......800 FT AGL INCREASING TO 5350 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR (9500) INCREASING TO GOOD (57050).

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
TEMP............30     37     45     51     54     54
RH..............75     56     41     33     30     30
20 FT WIND DIR..SE     SE     SE     SE     SE     SE
20 FT WIND SPD..4      5      6      8      9      10
20 FT WIND GUST.5      6      8      13     14     16

$$
FORECASTER...PETER
REQUESTED BY...MIKE RICE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120404.CPFPO.01/DLH