FNUS75 KBOI 091634
FWSBOI

SPOT FORECAST FOR ROSWELL RX...STATE
NATIONAL WEATHER SERVICE BOISE ID
1034 AM MDT FRI APR 9 2010

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...SUNNY TODAY WITH LIGHT NORTHWEST WINDS...

.DISCUSSION...
A RIDGE OF HIGH PRESSURE OVER THE ROSWELL BURN TODAY WILL ALLOW SUNNY AND
WARMER CONDITIONS WITH LIGHT WINDS FROM THE NORTHWEST. IT WILL BE RELATIVELY
STABLE WITH MODERATE MIXING UP TO 6000 FEET AT THE MOST FOR FAIR TO GOOD SMOKE
DISPERSION. LOOK FOR THE WARMEST TEMPERATURE AND LOWEST RELATIVE HUMIDITY
BETWEEN 1500 AND 1800 HOURS THIS AFTERNOON. SATURDAY WILL BE WARMER BUT
SOUTHEAST WINDS UP TO 10 MPH WILL DEVELOP LATE IN THE DAY.

.REST OF TODAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....50 TO 53.
MIN HUMIDITY........35 TO 45 PERCENT.
WIND (EYE LEVEL)....NORTHWEST 4 TO 6 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 5 MPH.
VENTILATION INDEX...300 GOOD.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....23 TO 28.
MAX HUMIDITY........65 TO 75 PERCENT.
WIND (EYE LEVEL)....NORTHWEST AROUND 5 MPH.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......900 FT AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...75 POOR.

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY.
MAX TEMPERATURE.....58 TO 63.
MIN HUMIDITY........30 TO 40 PERCENT.
WIND (EYE LEVEL)....WEST AROUND 4 MPH IN THE MORNING...BECOMING
                    SOUTHEAST 8 TO 10 MPH IN THE AFTERNOON.
HAINES INDEX........4 LOW.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH.
VENTILATION INDEX...1200 EXCELLENT.

$$

NOTE: DEWPOINTS AND HUMIDITIES ON THE BURN UNIT ARE 15 DEGREES/30%
HIGHER THAN ADJACENT WEATHER OBSERVATIONS.

$$
FORECASTER...DECKER
REQUESTED BY...LEIGH ANN
TYPE OF REQUEST...PRESCRIBED
.TAG 20100409.ROSWE.01/BOI