FNUS73 KDLH 031238
FWSDLH

SPOT FORECAST FOR CHIPPEWA OPENINGS RX...CHIPPEWA NF
NATIONAL WEATHER SERVICE DULUTH MN
738 AM CDT FRI MAY 3 2013

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...PRECIPITATION WILL BECOME WIDESPREAD EAST OF THE
FIRE AREA TODAY...AND WILL THEN RETROGRADE WESTWARD THIS AFTERNOON
AND EVENING. IT WILL TAKE SOME TIME FOR THE PRECIPITATION TO REACH
THE FIRE SITE...AND WILL LIKELY ARRIVE AT SOME POINT DURING THE
EVENING. BY THE TIME IT REACHES YOU IT SHOULD GENERALLY BE IN
THE FORM OF RAIN...WHICH COULD BECOME SNOW OR FREEZING RAIN OVERNIGHT.
HUMIDITY VALUES ARE TOUGH TODAY...AS THERE WILL BE A HUGE SPREAD IN
WEST TO EAST HUMIDITIES AND A VERY STRONG GRADIENT. THINK THE
VALUES BELOW ARE IN THE BALL PARK BUT COULD BE SOMEWHAT DIFFERENT
DEPENDING ON HOW FAST THE MOISTURE MOVES IN FROM THE EAST.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 9 MPH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 4550 FT AGL.
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.
SMOKE DISPERSAL.....FAIR (23500) INCREASING TO EXCELLENT (60500).

TIME (CDT)      NOON   2 PM   4 PM   6 PM
TEMP............43     45     46     46
RH..............42     36     34     38
20 FT WIND DIR..N      N      N      NE
20 FT WIND SPD..7      7      8      9
20 FT WIND GUST.8      8      10     13

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A SLIGHT CHANCE OF RAIN EARLY IN
                    THE EVENING...THEN A CHANCE OF RAIN LATE IN THE
                    EVENING. A CHANCE OF LIGHT FREEZING RAIN AND
                    SNOW AFTER MIDNIGHT. CHANCE OF PRECIPITATION 50
                    PERCENT.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........92 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 9 MPH BECOMING NORTH 4 TO
                    5 MPH.
MIXING HEIGHT.......3000 FT AGL DECREASING TO 300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.
SMOKE DISPERSAL.....GOOD (38100) DECREASING TO POOR (1900) IN THE
                    LATE EVENING AND OVERNIGHT...THEN INCREASING TO
                    POOR (3900) LATE.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............45     40     37     36     34     33
RH..............47     64     72     79     85     89
20 FT WIND DIR..NE     NE     NE     NE     NE     N
20 FT WIND SPD..9      6      4      5      4      4
20 FT WIND GUST.13     7      5      6      5      5

.SATURDAY...

MAX TEMPERATURE.....43-48.
MIN HUMIDITY........68 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 6 TO 8 MPH.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
TEMP............34     39     41     43     45     46
RH..............89     82     76     73     68     71
20 FT WIND DIR..N      NE     N      N      N      NE
20 FT WIND SPD..6      8      8      7      7      7
20 FT WIND GUST.7      9      10     8      8      8

$$
FORECASTER...DEAN P.
REQUESTED BY...MIKE RICE
TYPE OF REQUEST...PRESCRIBED
.TAG 20130503.CHIPP.01/DLH