FNUS76 KSEW 221843
FWSSEW

SPOT FORECAST FOR SCHRUND SAR...NPS MT RAINER
NATIONAL WEATHER SERVICE SEATTLE WA
1143 AM PDT FRI JUN 22 2012

FORECAST IS BASED ON INCIDENT TIME OF 1037 PDT ON JUNE 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

.DISCUSSION...BASED ON SATELLITE...A BRIEF AND PARTIAL WINDOW FOR
AVIATION PURPOSES MAY OCCUR AROUND 3 TO 4 PM - PRESENTING A BREAK
IN STEADY SHOWERS AND PERHAPS THE UPPER MOUNTAIN POPPING OUT OF
THE CLOUDS (ABOVE 12000 FEET). CONFIDENCE IS LOW AND PHONE
COORDINATION WILL BE NEEDED.

MORNING DISCUSSION...A BROAD UPPER LEVEL LOW WELL WEST OF THE
WASHINGTON COAST WILL DOMINATE OUR WEATHER OVER THE NEXT FEW DAYS
AS IT SLOWLY SLIDES SOUTH. MOISTURE HAS ALREADY INCREASED OVER THE
AREA WITH SOUTHERLY FLOW ALOFT AND ONSHORE FLOW AT THE SURFACE.

THERE IS A SLIGHT CHANCE OF ISOLATED THUNDERSTORMS NEAR THE
CASCADE CREST LATER TODAY. SHOWERS ARE LIKELY FRIDAY AND SATURDAY
AS UPPER LEVEL DISTURBANCES ROTATING AROUND THE MAIN LOW CROSS
WESTERN WASHINGTON. THERE MAY BE A BREAK IN THE DISTURBANCES AFTER MIDNIGHT
TONIGHT AND SATURDAY MORNING...ALTHOUGH TIMING IN THE IMPULSES HAS HIGH
UNCERTAINTY. SOUTH TO SOUTHEAST STEERING WINDS MAY PUSH CELLS
DEVELOPING EAST OF THE CREST TO THE WEST SIDE OF THE CREST.

EMMONS GLACIER - 13000 FEET
.TODAY...

SKY/WEATHER.........CLOUDY. SHOWERS. ISOLATED THUNDERSTORMS IN
                    THE AFTERNOON. SNOW LEVEL 10500 FEET FALLING
                    TO 9500 FEET. MOUNTAIN GENERALLY OBSCURED.
                    CLOUD BASES NEAR THE PARK 3000-4000
                    FEET MSL...LOWER DURING HEAVY SHOWERS.

MAX TEMPERATURE 13000 FEET.....AROUND 24.
FREE AIR WIND 13000 FEET........SOUTH TO SOUTHEAST 20-30 MPH GUST 40.
SLOPE WIND...SOUTH 10 - 20 MPH.
RAINFALL AMOUNT.....0.25 TO 0.50 INCHES.

SUMMIT FORECAST - 14400 FEET
.TODAY...

SKY/WEATHER.........CLOUDY. SHOWERS. ISOLATED THUNDERSTORMS IN THE
                    AFTERNOON. SNOW LEVEL 10500 FEET FALLING TO
                    9500 FEET. SUMMIT GENERALLY OBSCURED.

MAX TEMPERATURE SUMMIT.....AROUND 17.
FREE AIR WIND SUMMIT........SOUTHEAST 25-35 MPH GUST 45 MPH.
PRECIPITABLE WATER AMOUNT.....0.25 TO 0.50 INCHES.

$$
FORECASTER...DAMICO
REQUESTED BY...UWE NEHRING
TYPE OF REQUEST...SAR
.TAG 20120622.SCHRU.02/SEW