FNUS75 KBOI 050148
FWSBOI

SPOT FORECAST FOR GRIZZLY...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
748 PM MDT SAT AUG 4 2012

FORECAST IS BASED ON REQUEST TIME OF 1904 MDT ON AUGUST 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 3 PM SUNDAY TO 6 AM MDT
MONDAY...

.DISCUSSION...
HOT DRY AND UNSTABLE CONDITIONS ON SUNDAY WILL SUPPORT A HAINES OF 6
INCREASING THE POTENTIAL FOR SIGNIFICANT FIRE GROWTH SUNDAY AFTERNOON.
THE DEVELOPMENT OF A SURFACE THERMAL TROUGH ALONG THE IDAHO-OREGON
BORDER WILL KEEP WINDS LIGHT THROUGH SUNDAY. A LOW PRESSURE SYSTEM WILL
MOVE THROUGH THE AREA SUNDAY EVENING BRINGING A SLIGHT CHANCE OF
HIGH-BASED THUNDERSTORMS. THE BIGGEST THREAT FROM THESE THUNDERSTORMS
WILL BE GUSTY OUTFLOW WINDS.

.TONIGHT...

SKY/WEATHER.........CLEAR.
MIN TEMPERATURE.....56 TO 60.
MAX HUMIDITY........40 TO 45 PERCENT.
WIND - EYE LEVEL....SOUTH AROUND 3 MPH IN THE EVENING...SHIFTING TO
                    THE NORTH-NORTHEAST AFTER MIDNIGHT.
HAINES INDEX........5 MODERATE.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WIND......NORTHEAST AROUND 5 MPH.
VENTILATION INDEX...50 POOR.

.SUNDAY...

SKY/WEATHER.........SUNNY WITH INCREASING CLOUDS IN THE AFTERNOON.
MAX TEMPERATURE.....95 TO 100.
MIN HUMIDITY........8 TO 13 PERCENT.
WIND - EYE LEVEL....NORTHEAST AROUND 3 MPH IN THE MORNING...SHIFTING TO
                    THE SOUTHWEST AT 3 TO 5 MPH IN THE AFTERNOON.
HAINES INDEX........6 HIGH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WIND......SOUTHWEST AROUND 5 MPH.
VENTILATION INDEX...425 FAIR.

$$
FORECASTER...GROENERT
REQUESTED BY...DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 20120804.GRIZZ.01/BOI