Snow Avalanche Guidance
Issued by NWS Pocatello, ID

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000
FWUS45 KPIH 191019
SAGPIH

SNOW AVALANCHE GUIDANCE PRODUCT
NATIONAL WEATHER SERVICE POCATELLO ID
319 AM MST Mon Feb 19 2018

.DISCUSSION...A broad upper trough was gradually moving through
the region early this morning and is expected to shift east of the
area tonight. Scattered snow showers will produce areas of light
accumulation today and this evening before drier conditions
overspread the area under a northwest flow aloft late tonight and
Tuesday.

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

Cloud cover                 mcldy          mcldy          mcldy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp               12             -6              8
Max Wind               NW 14 G 21     NW 12 G 19     NW 12 G 19
QPF                          0.03           0.02           0.01
Snow amount                   0.7            0.4            0.4
Precip prob (%)                45             35             20
Snow level (ft)               200            200              0

QPF Probabilities...
PROB (%) > 0.10 IN             17             12              7
PROB (%) > 0.25 IN              5              5              5
PROB (%) > 0.50 IN              5              5              0
PROB (%) > 1.00 IN              0              0              0

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

Cloud cover                 mcldy          mcldy          pcldy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp                6            -12              4
Max Wind               NW 13 G 20      N 15 G 22     NW 11 G 18
QPF                          0.03           0.04           0.01
Snow amount                   0.6            0.9            0.4
Precip prob (%)                50             40             15
Snow level (ft)               200            100              0

QPF Probabilities...
PROB (%) > 0.10 IN             16             20              7
PROB (%) > 0.25 IN              5             10              5
PROB (%) > 0.50 IN              5              5              5
PROB (%) > 1.00 IN              0              5              0

Estimated Past 24hr (3am-3am) snowfall: 3.4


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

Cloud cover                 pcldy          mcldy          pcldy
Precip type           SNOWSHOWERS    SNOWSHOWERS    SNOWSHOWERS
Max/Min/Max temp                6             -7              1
Max Wind               NW 20 G 29     NW 21 G 30      W 11 G 18
QPF                          0.01           0.05           0.01
Snow amount                   0.4            1.3            0.3
Precip prob (%)                40             40             15
Snow level (ft)               200            100              0

QPF Probabilities...
PROB (%) > 0.10 IN              5             22              7
PROB (%) > 0.25 IN              0             15              5
PROB (%) > 0.50 IN              0              5              5
PROB (%) > 1.00 IN              0              5              0

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

Cloud cover                 mcldy          mcldy          pcldy
Precip type                  SNOW           SNOW           NONE
Max/Min/Max temp               13            -12             10
Max Wind                NW 8 G 12      N 13 G 20      SE 8 G 12
QPF                          0.03           0.02           None
Snow amount                   0.7            0.5           None
Precip prob (%)                45             35             10
Snow level (ft)               200            100              0

QPF Probabilities...
PROB (%) > 0.10 IN             17             12              0
PROB (%) > 0.25 IN              5              5              0
PROB (%) > 0.50 IN              5              5              0
PROB (%) > 1.00 IN              0              0              0

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

Cloud cover                 mcldy          mcldy          pcldy
Precip type           SNOWSHOWERS    SNOWSHOWERS    SNOWSHOWERS
Max/Min/Max temp                7            -10              5
Max Wind               NW 15 G 22     NW 13 G 20     NW 10 G 14
QPF                          0.06           0.04           0.01
Snow amount                   1.7            1.2            0.2
Precip prob (%)                60             45             15
Snow level (ft)               100            100              0

QPF Probabilities...
PROB (%) > 0.10 IN             30             21              6
PROB (%) > 0.25 IN             10             10              5
PROB (%) > 0.50 IN              5              5              5
PROB (%) > 1.00 IN              0              0              0

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

Cloud cover                 pcldy          mcldy          mcldy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp         18 to 23        -9 to 1       13 to 17
Wind                    N 15 G 22     NW 15 G 22      N 13 G 20
Snow amount                1 to 2         1 to 2         1 to 2

...6500 ft to 8000 ft...
                         Today...     Tonight...     Tuesday...

Cloud cover                 mcldy          mcldy          mcldy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp         12 to 18      -13 to -3        8 to 14
Wind                   NW 14 G 21      N 14 G 21      N 13 G 20
Snow amount                1 to 2         1 to 2         1 to 2

$$



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