FNUS73 KFGF 171234
FWSFGF

SPOT FORECAST FOR FRIKKEN...USFWS
NATIONAL WEATHER SERVICE GRAND FORKS ND
734 AM CDT TUE MAY 17 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

EXPECT SUNNY AND DRY CONDITIONS TODAY AT THE PRESCRIBED BURN
SITE. SURFACE HIGH PRESSURE OVER LAKE SUPERIOR WILL RESULT IN A
STRONGER PRESSURE GRADIENT ACROSS NORTHWEST MINNESOTA AND THUS
INCREASED WIND COMPARED TO THE PAST FEW DAYS. EXPECT SOUTHEASTERLY
WIND AROUND 10 MPH WITH A RELATIVE HUMIDITY NEAR 50 PERCENT AT
IGNITION TIME. HOWEVER...WINDS WILL INCREASE TO AROUND 15 MPH WITH
GUSTS TO 25 MPH BY AFTERNOON WITH A MINIMUM RELATIVE HUMIDITY IN
THE LOWER 20 PERCENT RANGE. FAIR SMOKE DISPERSION AT IGNITION TIME
WILL QUICKLY BECOME EXCELLENT BY EARLY AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........19-24 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 11 TO 16 MPH WITH GUSTS TO
                    AROUND 25 MPH.
MIXING HEIGHT.......300 FT AGL INCREASING TO 5400-6100 FT AGL.
MIXING WINDS........EAST 8 TO 15 MPH SHIFTING TO THE SOUTHEAST 18
                    TO 24 MPH IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........0   0   0   0   5   5   5   5   5   5
WEATHER COV.....
WEATHER TYPE....
TEMP............49  53  57  60  64  66  67  67  68  68
RH..............56  50  43  37  31  27  25  24  24  25
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..9   10  11  12  14  14  14  14  14  14
20 FT WIND GUST.15  15  15  20  25  25  25  25  25  25

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....41-46.
MAX HUMIDITY........71-76 PERCENT.
WIND (20 FT)........EAST WINDS 8 TO 13 MPH. GUSTS UP TO 20 MPH
                    EARLY IN THE EVENING.
MIXING HEIGHT.......3700-5300 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHEAST 18 TO 24 MPH INCREASING TO 22 TO 28
                    MPH LATE IN THE EVENING...THEN BECOMING EAST 8
                    TO 16 MPH LATE IN THE EVENING.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........8      9      9      9      7      6
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............67     62     55     50     47     44
RH..............28     35     47     56     63     73
20 FT WIND......SE 12  SE 9   SE 7   E 8    E 7    E 6
20 FT WIND GUST.20     15     10     15     10     10

.WEDNESDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....66-71.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 13 TO 18 MPH WITH GUSTS TO
                    AROUND 25 MPH.
MIXING HEIGHT.......300 FT AGL INCREASING TO 7000-7900 FT AGL.
MIXING WINDS........SOUTHEAST 8 TO 17 MPH INCREASING TO 17 TO 20
                    MPH LATE IN THE MORNING.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........7         13        21        28
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............43        54        64        68
RH..............76        54        40        36
20 FT WIND......SE 6G10   SE 12G20  SE 15G25  SE 15G25

$$
FORECASTER...ROGERS
REQUESTED BY...TROY BOSCHEE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110517.FRIKK.01/FGF