FNUS75 KBOI 080157
FWSBOI

SPOT FORECAST FOR RATTLESNAKE...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
757 PM MDT TUE MAY 7 2013

FORECAST IS BASED ON REQUEST TIME OF 1937 MDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...LIGHT WINDS OVERNIGHT WITH A SLIGHT CHANCE OF THUNDERSTORMS
WEDNESDAY AFTERNOON...

.DISCUSSION...
A LARGE UPPER LEVEL LOW CONTINUES TO MOVE EAST ACROSS THE SOUTHWEST.
THIS LEAVES THE BURN AREA IN LIGHT EASTERLY FLOW ALOFT. THIS IS UNUSUAL
AND RESULTS IN SHOWERS AND STORMS MOVING FROM EAST TO WEST. NO STORMS
ARE EXPECTED TONIGHT...BUT THERE IS A SLIGHT CHANCE AFTER NOON ON WED.
DOWN-VALLEY WINDS TONIGHT SHOULD BE OUT OF THE SOUTH...BUT WILL BE
BALANCED BY A SURFACE PRESSURE GRADIENT...RESULTING IN LIGHT AND VARIABLE
WINDS. INVERSION WILL BREAK AROUND 1130 AM MDT WED.

.REST OF TONIGHT...

SKY/WEATHER.........DECREASING CLOUDS.
MIN TEMPERATURE.....47 TO 53.
MAX HUMIDITY........54 TO 60 PERCENT.
WIND - EYE LEVEL....WEST AROUND 3 MPH THROUGH MIDNIGHT. LIGHT AND VARIABLE
                    AFTER MIDNIGHT.
HAINES INDEX........3 VERY LOW.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY EARLY WITH A SLIGHT CHANCE OF RAIN
                    SHOWERS. INCREASING CLOUDS WITH A SLIGHT CHANCE OF
                    THUNDERSTORMS IN THE AFTERNOON. CHANCE OF
                    PRECIPITATION 20 PERCENT.
MAX TEMPERATURE.....77 TO 82.
MIN HUMIDITY........19 TO 23 PERCENT.
WIND - EYE LEVEL....NORTH 4 TO 10 MPH. GUSTS UP TO 20 MPH IN THE
                    AFTERNOON.
HAINES INDEX........3 VERY LOW.

$$
FORECASTER...PARKER
REQUESTED BY...PAYETTE DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 20130507.RATTL.01/BOI