FNUS73 KFGF 201122
FWSFGF

SPOT FORECAST FOR MANAGMENT UNIT  3...USFWS
NATIONAL WEATHER SERVICE GRAND FORKS ND
622 AM CDT THU MAY 20 2010

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

CONDITIONS WILL BE VERY SIMILAR TO THOSE OBSERVED THE PAST TWO DAYS.
EXPECT SUNNY AND DRY WEATHER TODAY AT THE PRESCRIBED BURN SITE.
LIGHT AND VARIABLE WIND EARLY THIS MORNING WILL INCREASE FROM THE
SOUTH-SOUTHEAST BY 9 AM AND CONTINUE THROUGH THE AFTERNOON WITH
OCCASIONAL GUSTS FROM 15 TO 20 MPH. WITH A HIGH TEMPERATURE IN THE
UPPER 70S AND DRY AIR ALOFT...EXPECT MINIMUM RH VALUES AROUND 25
PERCENT. AFTERNOON SMOKE DISPERSION WILL BE VERY GOOD TO EXCELLENT.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........22-27 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 11 TO 16 MPH.
MIXING HEIGHT.......300 FT AGL INCREASING TO 9000-9900 FT AGL.
MIXING WINDS........SOUTHEAST 6 TO 15 MPH INCREASING TO 17 TO 20
                    MPH IN THE AFTERNOON.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........13  15  16  17  19  21  23  25  27  30
WEATHER COV.....
WEATHER TYPE....
TEMP............58  63  67  70  74  75  77  78  78  78
RH..............51  43  37  33  29  28  28  27  27  28
20 FT WIND DIR..S   S   S   S   S   SE  SE  SE  SE  SE
20 FT WIND SPD..7   8   9   10  11  12  14  14  14  14
20 FT WIND GUST.10  15  15  15  15  20  20  20  20  20

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....51-56.
MAX HUMIDITY........75-80 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 8 TO 13 MPH WITH GUSTS TO
                    AROUND 20 MPH UNTIL EARLY MORNING BECOMING
                    LIGHT.
MIXING HEIGHT.......9000 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHEAST 13 TO 21 MPH DECREASING TO 5 TO 8 MPH
                    AFTER MIDNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........32     35     38     41     45     49
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............77     72     65     60     57     54
RH..............29     35     46     58     67     74
20 FT WIND......SE 12  SE 10  SE 8   S 7    S 5    SE 4
20 FT WIND GUST.20     15     15     10     10     5

.FRIDAY...

SKY/WEATHER.........PARTLY SUNNY.
MAX TEMPERATURE.....71-76.
MIN HUMIDITY........41-46 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 7 TO 12 MPH EARLY IN
                    THE MORNING.
MIXING HEIGHT.......300 FT AGL INCREASING TO 5500-7300 FT AGL.
MIXING WINDS........SOUTHEAST 5 TO 14 MPH.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........52        54        56        59
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............53        62        70        73
RH..............80        62        49        46
20 FT WIND......SE 3G5    SE 5G10   SE 9G15   SE 11G15

$$
FORECASTER...ROGERS
REQUESTED BY...CHRIS ROED
TYPE OF REQUEST...PRESCRIBED
.TAG 20100520.MANAG.01/FGF