FNUS73 KFGF 171355
FWSFGF

SPOT FORECAST FOR CARIBOU 15...NATURE CONSERVANCY
NATIONAL WEATHER SERVICE GRAND FORKS ND
855 AM CDT TUE MAY 17 2011

FORECAST IS BASED ON IGNITION TIME OF 0900 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 AROUND 45 PERCENT AT
IGNITION TIME. HOWEVER...WINDS WILL INCREASE TO AROUND 15 MPH WITH
GUSTS TO 20 TO 25 MPH BY AFTERNOON WITH A MINIMUM RELATIVE HUMIDITY
IN THE LOWER 20 PERCENT RANGE. FAIR SMOKE DISPERSION WILL BECOME
EXCELLENT.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....71-76.
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 6400-7400 FT AGL.
MIXING WINDS........SOUTHEAST 9 TO 18 MPH.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........0   0   0   0   0   5   5   5   5   5   5
WEATHER COV.....
WEATHER TYPE....
TEMP............46  51  56  61  64  68  70  72  72  73  73
RH..............68  56  49  41  35  31  27  25  25  24  24
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..6   8   9   11  12  14  14  14  14  14  14
20 FT WIND GUST.10  10  15  15  20  25  25  25  25  25  25

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....40-45.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 15 MPH.
MIXING HEIGHT.......7300 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHEAST 13 TO 22 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........6      4      3      2      1      1
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............72     65     56     51     46     43
RH..............25     31     45     56     65     67
20 FT WIND......SE 14  SE 9   SE 7   SE 8   SE 7   SE 6
20 FT WIND GUST.20     15     10     15     10     10

$$
FORECASTER...KAISER
REQUESTED BY...JONATHAN EERKES
TYPE OF REQUEST...PRESCRIBED
.TAG 20110517.CARIB.01/FGF