Suppression Forecast
Issued by NWS San Joaquin Valley, CA

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FNUS76 KHNX 200545
FWSHNX

Spot Forecast for YOSEMITE WINTER STORM OPERATIONS (FEB 17-22)...NATIONAL PARK SERVICE
National Weather Service Hanford CA
945 PM PST Sun Feb 19 2017

Forecast is based on incident time of 0700 PST on February 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
The strong storm system will bring moderate to heavy precipitation
over the Yosemite area today through Tuesday morning. Snow levels
will be around 8000 feet on Monday but will lower back to near
7000 feet Monday night. Winds will also become gusty, especially
over the ridges and in wind exposed areas. Precipitation will
continue Tuesday afternoon and Tuesday night but with lessening
intensity. Winds will also decrease on Tuesday. A weaker but
colder system will through on Wednesday with lighter precipitation
and lowering snow levels.


Note: Temperatures and humidity are representative of the
4000 foot elevation. Rainfall amounts include the El Portal,
Yosemite Valley and highway 41 corridors.


.WASHINGTONS BIRTHDAY (Monday)...

Sky/weather.........Cloudy. Rain. Snow level near 8000 feet.
                    Rainfall amounts: 4 am-10 am: 0.75 to 1.25 inches.
                                      10 am-4 pm: 0.5 to 0.8 inches.
                    Snowfall amounts: 10 to 20 inches above 8000 feet.
Max temperature.....44-49.
Min humidity........85-90 percent.
Surface winds.......South winds 10-21 mph. Occasional gusts to 30 mph.
                    except over the ridges and wind exposed areas such
                    as Crane Flat: South 15-25 mph with gusts to 45 mph.

.MONDAY NIGHT...

Sky/weather.........Cloudy. Rain. Snow level lowering to near
                    7000 feet.
                    Rain amounts: 4 pm-10 pm 0.5 to 0.8 inches.
                                  10 am-4 pm 0.5 to 1 inch.
                    Snowfall amounts: 10 to 20 inches above 7000 feet.
Min temperature.....35-39.
Max humidity........100 percent.
Surface winds.......Breezy. South winds 12-20 mph with gusts to 35 mph.
                    Except over the ridges and wind exposed areas such
                    as Crane Flat: South 15-25 mph with gusts to 45 mph.

.TUESDAY...

Sky/weather.........Cloudy. Rain. Snow level around 7000 feet.
                    Rain amounts: 4 am-10 am 0.3 to 0.6 inches.
                                  10 pm-4 am around 0.25 inch.
                    Snowfall amounts: 5 to 10 inches above 7000 feet.
Max temperature.....44-49.
Min humidity........85 percent.
SURFACE WINDS.......Southwest winds 8-18 mph in the early morning
                    decreasing to 5-11 mph by afternoon. Gusts up to
                    25 mph over the ridges in the morning.

$$
Forecaster...BEAN
Requested by...JOE MEYER
Type of request...OTHER
.TAG 1702379.2/HNX



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