FNUS76 KSEW 101924
FWSSEW

SPOT FORECAST FOR NISQUALLY GLACIER...NPS
NATIONAL WEATHER SERVICE SEATTLE WA
1224 PM PDT TUE MAY 10 2011

FORECAST IS BASED ON INCIDENT TIME OF 1147 PDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE IN SEATTLE.

...A PACIFIC STORM IS APPROACHING FROM THE WEST AND WILL IMPACT
THE AREA ON WEDNESDAY....

.DISCUSSION...UPPER TROUGH OFFSHORE WILL CONTINUE MOVING EAST...
RESULTING IN INCREASING SOUTHERLY FLOW ALOFT. WINDS ACROSS THE HIGHER
SLOPES OF MOUNT RAINIER ARE EXPECTED TO BE IN THE 55 TO 65 KNOT
RANGE BY WEDNESDAY AFTERNOON. THE ASSOCIATED COLD FRONT WILL MOVE
ACROSS THE AREA WEDNESDAY AFTERNOON. ANTICIPATE GRADUALLY
DETERIORATING CONDITIONS OVERNIGHT AS CLOUDS DEVELOP OR INCREASE
FROM THE WEST AHEAD OF THE UPPER TROUGH. THE FREEZING LEVEL WILL
BE NEAR 10000 FEET THIS AFTERNOON...DROPPING TO NEAR 7500 FEET
WEDNESDAY AFTERNOON.

MOUNT RAINIER WILL BECOME OBSCURED BY CLOUDS AND/OR PRECIPITATION
BY LATE WEDNESDAY MORNING. EXPECT SNOW ABOVE THE 6500 FOOT LEVEL
AND RAIN BELOW.

 FORECAST CLOUD BASES ARE IN MSL.

.REST OF TODAY...
SKY/WEATHER....................FEW CLOUDS AT 5000 FT.
MAX TEMPERATURE (10000 FT).....39 DEGREES.
AVG TEMPERATURE (14400 FT).....18 DEGREES.
WIND (10000 FT)........SOUTHWEST 10 TO 15 KNOTS.
WIND (14400)...........SOUTHWEST NEAR 15 KNOTS.

.TONIGHT...

SKY/WEATHER....................LAYERS DEVELOPING OR INCREASING
NEAR 5000 FT...NEAR 16000 FT...AND 30000 FT.

MIN TEMPERATURE (10000 FT).....23 DEGREES.
AVG TEMPERATURE (14400 FT).....14 DEGREES.
WIND (10000 FT)........SOUTHWEST 25 KNOTS.
WIND (14400)...........INCREASING FROM THE SOUTHWEST AT 25 TO 35 KNOTS.

.WEDNESDAY...

SKY/WEATHER....................MULTIPLE OR MERGING LAYERS FROM NEAR
3000 FT TO NEAR 30000 FT. RAIN BELOW
MAX TEMPERATURE (10000 FT).....25 DEGREES.
AVG TEMPERATURE (14400 FT).....11 DEGREES.
WIND (10000 FT)........INCREASING FROM THE SOUTH NEAR 60 KNOTS.
WIND (14400)...........INCREASING FROM THE SOUTH NEAR 65 KNOTS.

$$

FORECASTER...05
REQUESTED BY...MATT MEDFORD
TYPE OF REQUEST...SAR
.TAG 20110510.NISQU.01/SEW