FNUS75 KBOI 202153
FWSBOI

SPOT FORECAST FOR JACKIES BUTTE TUMBLE WEED RX...VALE BLM
NATIONAL WEATHER SERVICE BOISE ID
353 PM MDT MON APR 20 2009

FORECAST IS BASED ON IGNITION TIME OF 0830 MDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...ABOVE NORMAL TEMPERATURES EXPECTED INTO WEDNESDAY...
...GUSTY WINDS ON THE INCREASE WEDNESDAY...

.DISCUSSION...
A RIDGE ALOFT WILL COMBINE WITH A SURFACE THERMAL TROUGH OVER THE BURN
AREA TUESDAY THEN SHIFT TO THE EAST ON WEDNESDAY. THIS WILL BRING
ABOVE NORMAL TEMPERATURES TO THE REGION. MOISTURE WILL BE ON
THE INCREASE BOTH DAYS BRINGING A FEW DEVELOPING CUMULUS CLOUDS
OVER THE BURN SITE. SOUTHERLY WINDS TUESDAY WILL SHIFT MORE TO THE SOUTHWEST
WEDNESDAY AS THE THERMAL TROUGH SHIFTS INTO IDAHO. THE APPROACHING COLD
FRONT IS EXPECTED THURSDAY AFTERNOON BRINGING A CHANCE OF WETTING
RAINS TO THE BURN AREA.

.TODAY /TUESDAY/...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....78 TO 83.
MIN HUMIDITY........12 TO 16 PERCENT.
WIND - EYE LEVEL....UPSLOPE 1 TO 3 MPH IN THE MORNING BECOMING SOUTH AROUND 7 MPH
                    BY THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......12500 FT AGL.
TRANSPORT WIND......WEST AROUND 10 MPH.
VENTILATION INDEX...1250 EXCELLENT.

.TUESDAY NIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....46 TO 51.
MAX HUMIDITY........45 TO 56 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 5 TO 8 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.WEDNESDAY...

SKY/WEATHER.........SUNNY...THEN BECOMING PARTLY SUNNY.
MAX TEMPERATURE.....74 TO 79.
MIN HUMIDITY........13 TO 18 PERCENT.
WIND - EYE LEVEL....SOUTHWEST 5 TO 8 MPH WITH GUSTS TO 18 MPH BY THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......13000 FT AGL.
TRANSPORT WIND......WEST AROUND 20 MPH.
VENTILATION INDEX...2600 EXCELLENT.

$$
FORECASTER...REDMAN
REQUESTED BY...BURN BOSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090421.JACKI.01/BOI