FNUS73 KFGF 041608
FWSFGF

SPOT FORECAST FOR BLACKDUCK PILES...US FOREST SERVICE
NATIONAL WEATHER SERVICE GRAND FORKS ND
1008 AM CST WED JAN 4 2012

FORECAST IS BASED ON IGNITION TIME OF 1005 CST ON JANUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A SHALLOW MIXING COLUMN WILL CONSPIRE WITH LIGHT WINDS DUE TO HIGH
PRESSURE TO KEEP THE DISPERSION INDEX DOWN THIS AFTERNOON...15000
OR SO WHICH TRANSLATES TO A FAIR DISPERSION CONDITION. WARMER THAN
YESTERDAY WITH NO CHANCE FOR PRECIPITATION.
DISPERSION CONDITIONS SIMILAR FOR THURSDAY WITH MORE WIND TO WORK
WITH BUT THROUGH AN EVEN SHALLOWER LAYER...COULD BRING GROUND
FUMIGATION INTO PLAY WITH LIMITED PLUME HEIGHT.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....32-37.
MIN HUMIDITY........65-70 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST UP TO 5 MPH EARLY IN
                    THE AFTERNOON...THEN BECOMING LIGHT EARLY IN
                    THE AFTERNOON.
MIXING HEIGHT.......400-1100 FT AGL.
MIXING WINDS........WEST 9 TO 18 MPH.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41  41  41  41  40  40  39  38  37
WEATHER COV.....
WEATHER TYPE....
TEMP............20  23  25  28  30  32  34  33  31
RH..............91  77  70  71  73  76  78  81  88
20 FT WIND DIR..W   W   W   W   W   W   W   W   W
20 FT WIND SPD..1   2   4   4   5   4   4   4   3
20 FT WIND GUST.    5   5   5   10  5   5   5   5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY BECOMING MOSTLY CLOUDY BECOMING
                    PARTLY CLOUDY.
MIN TEMPERATURE.....20-25.
MAX HUMIDITY........91-96 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH EARLY
                    IN THE MORNING.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........36     41     46     50     51     49
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............30     27     25     22     22     23
RH..............92     96     92     92     96     92
20 FT WIND......W 3    W 3    SW 2   SW 2   SW 3   SW 5
20 FT WIND GUST.5      5      5             5

.THURSDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....36-41.
MIN HUMIDITY........74-79 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 11 MPH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........WEST 20 TO 26 MPH INCREASING TO 30 TO 36 MPH
                    LATE IN THE AFTERNOON.

TIME (CST)      6 AM      9 AM      NOON      3 PM
SKY (%).........46        36        27        26
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............25        29        35        37
RH..............84        81        82        79
20 FT WIND......S 6G10    SW 5G10   W 8G15    W 10G15

$$
FORECASTER...WJB
REQUESTED BY...MICHAEL MACKEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20120104.BLACK.01/FGF