FNUS73 KBIS 091359
FWSBIS

SPOT FORECAST FOR GRASSLAND TRAIL B...USFWS
NATIONAL WEATHER SERVICE BISMARCK ND
859 AM CDT WED MAY 9 2012

FORECAST IS BASED ON IGNITION TIME OF 0835 CDT ON MAY 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A TROUGH OF LOW PRESSURE IN EASTERN MONTANA WILL MOVE
SLOWLY EAST TODAY. THE LOW WILL BRING INCREASING SOUTHERLY WINDS
ACROSS WESTERN AND CENTRAL NORTH DAKOTA TODAY. FOR TOMORROW...A COLD
FRONT WILL PUSH EAST ACROSS THE AREA...BRINGING CHANCES OF SHOWERS
AND THUNDERSTORMS DURING THE AFTERNOON. WINDS WILL SHIFT TO THE
NORTHWEST AND INCREASE IN STRENGTH BEHIND THE FRONT DURING THE
LATE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........51 AT IGNITION...MAX 72.
RH..................68 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 11 MPH AT IGNITION...INCREASING TO 15
                    TO 20 MPH IN THE EARLY AFTERNOON.
HAINES INDEX........4 LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....VERY GOOD.
LAL.................1.
CWR.................0 PERCENT.

TIME (CDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........27     30     26     24     16     18
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............47     54     62     68     72     71
RH..............68     57     43     33     28     30
20 FT WIND......S 10   S 15   S 20   S 21   S 20   S 20
20 FT WIND GUST.       20     25     25     25     25
CWR.............0      0      0      0      0      0
LAL.............1      1      1      1      1      1
HAINES INDEX....4      4      4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 50.
RH..................MAX 77 PERCENT.
WIND (20 FT)........SOUTH WINDS 8 TO 16 MPH.
SMOKE DISPERSAL.....POOR.
LAL.................1.
CWR.................0 PERCENT.

.THURSDAY...

SKY/WEATHER.........PARTLY SUNNY.
TEMPERATURE.........MAX 78.
RH..................MIN 35 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 11 MPH IN THE MORNING BECOMING
                    LIGHT AND VARIABLE EARLY AFTERNOON...SHIFTING TO
                    THE NORTHWEST AND INCREASING TO 18 TO 23 MPH
                    LATE IN THE AFTERNOON.
HAINES INDEX........6 HIGH.
SMOKE DISPERSAL.....EXCELLENT.
LAL.................1 INCREASING TO 2 IN THE AFTERNOON.
CWR.................0 PERCENT.

$$
FORECASTER...TARDIF-HUBER
REQUESTED BY...DOMINICK MARSDEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120509.GRASS.01/BIS