FNUS73 KFGF 051130
FWSFGF

SPOT FORECAST FOR ICELANDIC RX...ND PARK & REC THRU ND FOREST SERVICE
NATIONAL WEATHER SERVICE GRAND FORKS ND
530 AM CST THU NOV 5 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CST ON NOVEMBER 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD START THIS MORNING WILL SLOW WARM UP AS INVERSION WILL TAKE
INTO LATE MORNING TO MIX OUT. ONCE IT DOES LIGHT EAST WINDS WILL BECOME
PREDOMINANTLY AND CONSISTENTLY SE WITH GUSTS UP TO 30 MPH THIS
AFTERNOON AS THE PRESSURE GRADIENT INCREASES. MIN RHS VALUE EXPECTED TO
BE AROUND 55 PERCENT. SMOKE DISPERSION THIS AFTERNOON WILL BE FAIR.

.TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....41-46.
MIN HUMIDITY........50-55 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 13 TO 18 MPH
                    WITH GUSTS TO AROUND 30 MPH EARLY IN THE
                    MORNING.
MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 1300-2300 FT AGL
                    LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 3 TO 12 MPH INCREASING TO 24 TO 25
                    MPH.

TIME (CST)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15  16  17  17  18  18  19
WEATHER COV.....
WEATHER TYPE....
TEMP............33  37  40  42  43  43  42
RH..............65  63  60  56  55  58  64
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  SE
20 FT WIND SPD..11  14  15  16  16  15  14
20 FT WIND GUST.20  25  25  30  30  25  25

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........91-96 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH WITH GUSTS TO AROUND
                    30 MPH.
MIXING HEIGHT.......300-800 FT AGL.
MIXING WINDS........SOUTH 24 TO 31 MPH INCREASING TO 30 TO 35 MPH
                    LATE IN THE EVENING...THEN DECREASING TO 17 TO
                    24 MPH LATE IN THE EVENING.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........20     24     28     32     34     35
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............41     39     38     38     37     37
RH..............68     72     78     83     87     92
20 FT WIND......SE 14  S 14   S 16   S 16   S 16   S 14
20 FT WIND GUST.25     25     30     30     30     25

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........53-58 PERCENT.
WIND (20 FT)........SOUTH WINDS 13 TO 18 MPH. GUSTS UP TO 30 MPH
                    UNTIL LATE AFTERNOON.
MIXING HEIGHT.......300-1000 FT AGL.
MIXING WINDS........SOUTH 16 TO 20 MPH.

TIME (CST)      6 AM      9 AM      NOON      3 PM
SKY (%).........36        37        38        39
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............36        39        49        54
RH..............96        80        64        58
20 FT WIND......S 14G25   S 14G25   S 16G30   S 14G25

$$
FORECASTER...KAISER
REQUESTED BY...ICELANDIC STATE PARK MANAGER
TYPE OF REQUEST...PRESCRIBED
.TAG 20091105.ICELA.01/FGF