Snow Avalanche Guidance
Issued by NWS Pocatello, ID

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FWUS45 KPIH 150737
SAGPIH

SNOW AVALANCHE GUIDANCE PRODUCT
NATIONAL WEATHER SERVICE POCATELLO ID
137 AM MDT Sun Apr 15 2018

...Last Scheduled Avalanche Guidance for the Season...

.DISCUSSION...A low pressure system was approaching the northwest
coast early this morning and numerical models show an increasingly
moist and unstable southwest flow overspreading the central
mountains today through Monday. Snow levels will remain fairly
high until the surface cold front sweeps through the region Monday
morning then falling rapidly to the lower valley floors Monday
afternoon.

**********SAWTOOTH RECREATION AREA FORECAST**********
...Bald Mtn (9145 ft)...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms        SHOWERS           SNOW
Max/Min/Max temp               39             25             27
Max Wind                 S 8 G 22      S 18 G 25      S 11 G 20
QPF                          0.04           0.14           0.11
Snow amount                   0.3            1.4            1.8
Precip prob (%)                30             75             85
Snow level (ft)              7100           7600           5600

QPF Probabilities...
PROB (%) > 0.10 IN              0              0              7
PROB (%) > 0.25 IN              0              0              5
PROB (%) > 0.50 IN              0              0              0
PROB (%) > 1.00 IN              0              0              0

...Titus Peak (10079 ft)...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms    SNOWSHOWERS           SNOW
Max/Min/Max temp               40             22             27
Max Wind                S 14 G 23      S 23 G 32     SW 17 G 24
QPF                          0.08           0.22           0.17
Snow amount                   1.0            2.7            3.0
Precip prob (%)                45             90             95
Snow level (ft)              7200           7600           5600

QPF Probabilities...
PROB (%) > 0.10 IN              0              0              7
PROB (%) > 0.25 IN              0              0              5
PROB (%) > 0.50 IN              0              0              0
PROB (%) > 1.00 IN              0              0              0

Estimated Past 24hr (3am-3am) snowfall: 0.0


...Soldier Mtn (9495 ft)...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms    SNOWSHOWERS           SNOW
Max/Min/Max temp               36             21             23
Max Wind                S 19 G 28     SE 22 G 31      W 13 G 20
QPF                          0.02           0.24           0.14
Snow amount                   0.1            2.4            2.2
Precip prob (%)                25             90             90
Snow level (ft)              7200           7800           5300

QPF Probabilities...
PROB (%) > 0.10 IN              0              0              7
PROB (%) > 0.25 IN              0              0              5
PROB (%) > 0.50 IN              0              0              5
PROB (%) > 1.00 IN              0              0              0

...Sawtooth (7775 ft)...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms        SHOWERS           SNOW
Max/Min/Max temp               46             29             32
Max Wind               SE 10 G 19      S 17 G 24     SE 12 G 19
QPF                          0.06           0.13           0.11
Snow amount                   0.3            1.0            1.8
Precip prob (%)                35             85             85
Snow level (ft)              7100           7500           5500

QPF Probabilities...
PROB (%) > 0.10 IN              0              0             12
PROB (%) > 0.25 IN              0              0              5
PROB (%) > 0.50 IN              0              0              5
PROB (%) > 1.00 IN              0              0              0

...Vienna Mine (8960 ft)...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms    SNOWSHOWERS           SNOW
Max/Min/Max temp               39             22             27
Max Wind                S 13 G 23     SE 22 G 31      S 12 G 19
QPF                          0.04           0.28           0.17
Snow amount                   0.2            3.3            3.0
Precip prob (%)                40            100             95
Snow level (ft)              7200           7600           5500

QPF Probabilities...
PROB (%) > 0.10 IN              0              0              7
PROB (%) > 0.25 IN              0              0              5
PROB (%) > 0.50 IN              0              0              0
PROB (%) > 1.00 IN              0              0              0

$$
**********SUN VALLEY AREA FORECAST**********
...valleys to 6500 ft...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms        SHOWERS           SNOW
Max/Min/Max temp         53 to 61       32 to 37       41 to 47
Wind                   NW 12 G 22     SE 15 G 22      NW 8 G 21
Snow amount                 TRACE          TRACE          TRACE

...6500 ft to 8000 ft...
                         Today...     Tonight...      Monday...

Cloud cover                 mcldy         cloudy         cloudy
Precip type                 tstms        SHOWERS           SNOW
Max/Min/Max temp         45 to 55       27 to 33       32 to 42
Wind                    W 10 G 21     SE 19 G 28     SE 12 G 21
Snow amount           less than 1       around 2            1-3

$$



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