FNUS75 KBOI 201718
FWSBOI

SPOT FORECAST FOR WARM SPRINGS RX...PAYETTE NF
NATIONAL WEATHER SERVICE BOISE ID
1118 AM MDT WED APR 20 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON APRIL 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...BECOMING WET TODAY AND ESPECIALLY TONIGHT WITH A COLD FRONTAL
PASSAGE AND MORE SHOWERS TOMORROW...

.DISCUSSION...
AN UPPER LEVEL STORM WILL MOVE TOWARD THE AREA TONIGHT AND PASS THROUGH
TOMORROW. SHOWERS WILL INCREASE THIS AFTERNOON AND ESPECIALLY TONIGHT.
SHOWERS WILL TURN FROM A MIXTURE OF RAIN AND SNOW INTO ALL SNOW BY 10 PM
MDT TONIGHT. WINDS WILL INCREASE FROM THE NW OVERNIGHT AS A COLD FRONT
MOVES THROUGH AROUND 3 AM MDT. WINDS WILL SWITCH TO NORTHWEST AND GUST
BRIEFLY DURING AND IN THE HOURS AFTER THE FRONT PASSES.

.TODAY...

SKY/WEATHER.........CLOUDY. SCATTERED RAIN AND SNOW SHOWERS.
MAX TEMPERATURE.....42 TO 45.
MIN HUMIDITY........34 TO 39 PERCENT.
WIND - EYE LEVEL....SOUTH 3 TO 6 MPH.
HAINES INDEX........2.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WIND......SOUTH AROUND 20 MPH.
VENTILATION INDEX...900 EXCELLENT.

.TONIGHT...

SKY/WEATHER.........CLOUDY. WIDESPREAD RAIN AND SNOW SHOWERS.
MIN TEMPERATURE.....32 TO 37.
MAX HUMIDITY........91 TO 100 PERCENT.
WIND - EYE LEVEL....SOUTHEAST AROUND 6 MPH IN THE
                    EVENING...BECOMING NORTHWEST 5 TO 15 MPH AFTER
                    MIDNIGHT. GUSTS BRIEFLY TO 20 MPH AROUND 3 AM MDT.
HAINES INDEX........2.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WIND......SOUTH AROUND 5 MPH.
VENTILATION INDEX...30 POOR.

.THURSDAY...

SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY IN THE MORNING...THEN
                    A CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....38 TO 43.
MIN HUMIDITY........41 TO 50 PERCENT.
WIND - EYE LEVEL....WEST 3 TO 9 MPH.
HAINES INDEX........2.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WIND......NORTHWEST AROUND 15 MPH.
VENTILATION INDEX...825 EXCELLENT.

$$
FORECASTER...PARKER
REQUESTED BY...S HUMBACH
TYPE OF REQUEST...PRESCRIBED
.TAG 20110420.WARMS.01/BOI