FNUS75 KRIW 191643
FWSRIW

SPOT FORECAST FOR GARNET SAR...NPS GTP
NATIONAL WEATHER SERVICE RIVERTON WY
1043 AM MDT TUE APR 19 2011

FORECAST IS BASED ON INCIDENT TIME OF 0952 MDT ON APRIL 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE LAST OF A PERSISTENT PERIOD OF SNOWFALL WILL OCCUR TODAY
AS WE EXPERIENCE A SHORT BREAK IN THE ACTIVE WEATHER PATTERN. A FLAT RIDGE WILL
TRACK ACROSS THE AREA WEDNESDAY FOR IMPROVING WEATHER CONDITIONS. THE NEXT SNOW
EVENT IS EXPECTED THURSDAY.

...THUNDERSTORMS IMPLY STRONG GUSTY AND ERRATIC WINDS...
...HAINES INDEX IS HIGH LEVEL HAINES BOTH DAY AND NIGHT...

FORECASTER...LIPSON

.TODAY...
SKY/WEATHER.........CLOUDY (95-100 PERCENT). SNOW FLURRIES AND LIGHT SNOW
                    SHOWERS. OCCASIONAL FOG WITH INTERMITTENT VISIBILITY
                    NEAR ZERO...ESPECIALLY ON THE EXPOSED RIDGES.
MAX TEMPERATURE.....21-24.
MIN HUMIDITY........60-63 PERCENT.
20 FOOT WINDS.......WEST WINDS 13 TO 17 MPH WITH GUSTS TO AROUND 30
                    MPH WITH A FEW GUSTS OF 30 TO 40 MPH FUNNELING THROUGH
                    BETWEEN GRAND TETON AND MIDDLE TETON.
RIDGE TOP WINDS.....WEST WINDS 13 TO 17 MPH WITH GUSTS TO AROUND 30
                    MPH WITH A FEW GUSTS OF 30 TO 40 MPH FUNNELING THROUGH
                    BETWEEN GRAND TETON AND MIDDLE TETON.
LAL.................1.
SNOW ACCUMULATION...1 TO LOCALLY 2 INCHES.
TRANSPORT WINDS.....WEST 13 TO 17 MPH WITH GUSTS TO AROUND 30 MPH.

.TONIGHT...
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SCATTERED SNOW
                    SHOWERS IN THE EVENING...ESPECIALLY BETWEEN 1800 AND 2000.
                    THEN ISOLATED SNOW SHOWERS AFTER MIDNIGHT. OCCASIONAL EARLY
                    EVENING FOG WITH INTERMITTENT VISIBILITY NEAR ZERO...
                    ESPECIALLY ON THE EXPOSED RIDGES. THE CLOUD CEILING WILL
                    IMPROVE AFTER 2000.
MIN TEMPERATURE.....9-12.
MAX HUMIDITY........92-95 PERCENT.
20 FOOT WINDS.......WEST SOUTHWEST WINDS 11 TO 13 MPH WITH GUSTS TO
                    AROUND 25 MPH WITH A FEW GUSTS OF 30 MPH BETWEEN GRAND TETON
                    AND MIDDLE TETON. WINDS WILL DIMINISH TO LESS THAN 10 MPH
                    AFTER MIDNIGHT.
RIDGE TOP WINDS.....WEST SOUTHWEST WINDS 11 TO 13 MPH WITH GUSTS TO
                    AROUND 25 MPH WITH A FEW GUSTS OF 30 MPH BETWEEN GRAND TETON
                    AND MIDDLE TETON. WINDS WILL DIMINISH TO LESS THAN 10 MPH
                    AFTER MIDNIGHT.
LAL.................1.
SNOW ACCUMULATION...LESS THAN AN INCH.
TRANSPORT WINDS.....WEST SOUTHWEST 11 TO 13 MPH WITH SOME GUSTS TO 25 MPH.

.WEDNESDAY...
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED SNOW
                    SHOWERS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 30.
MIN HUMIDITY........51-54 PERCENT.
20 FOOT WINDS.......SOUTH SOUTHWEST 5-9 MPH...THEN INCREASING TO 10 MPH AFTER
                    1200 WITH GUSTS TO 20 MPH.
RIDGE TOP WINDS.....SOUTH SOUTHWEST 5-9 MPH...THEN INCREASING TO 10 MPH AFTER
                    1200 WITH GUSTS TO 20 MPH.
LAL.................1.
CHC OF WETTING RAIN.LESS THAN AN INCH.
TRANSPORT WINDS.....SOUTH SOUTHWEST 5-9 MPH...THEN INCREASING TO 10 MPH WITH
                    GUSTS TO 20 MPH AFTER 1200.

.FORECAST DAYS 3 THROUGH 5...
.WEDNESDAY NIGHT...NOT AS COLD. SCATTERED SNOW SHOWERS IN THE
EVENING...THEN SNOW LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 20S.
SOUTHWEST WINDS AROUND 15 MPH.
.THURSDAY...SNOW. LOWS AROUND 17. HIGHS IN THE LOWER 30S.
SOUTHWEST WINDS AROUND 16 MPH.
.FRIDAY...MOSTLY CLOUDY WITH SNOW SHOWERS LIKELY. LOWS AROUND 14.
HIGHS IN THE LOWER 20S. WINDS GENERALLY LESS THAN 10 MPH.
.SATURDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS
AROUND 20. HIGHS IN THE MID 20S. WINDS GENERALLY LESS THAN
10 MPH.

$$

FORECASTER...LIPSON
REQUESTED BY...HARDER
REASON FOR REQUEST...SAR
.TAG 20110419.GARNE.01/RIW