Snow Avalanche Guidance
Issued by NWS Pocatello, ID

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000
FWUS45 KPIH 251109
SAGPIH

SNOW AVALANCHE GUIDANCE PRODUCT
NATIONAL WEATHER SERVICE POCATELLO ID
409 AM MST Sun Feb 25 2018

...WINTER STORM WARNING NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
5 AM MST MONDAY...

.DISCUSSION...Another round of heavy snow is forecast today with
a new weather system coming in the from the west. Winds will again
be a factor, generally from a west to southwest direction and
switching from the northwest overnight. Threats diminish
significantly by Monday morning.

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

Cloud cover                 mcldy         cloudy         cloudy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp               14             10             19
Max Wind                W 18 G 25     SW 19 G 28     SW 13 G 20
QPF                          0.06           0.28           0.02
Snow amount                   1.2            5.4            0.3
Precip prob (%)                85             95             25
Snow level (ft)               500           2300           2200

QPF Probabilities...
PROB (%) > 0.10 IN             26             91             11
PROB (%) > 0.25 IN              5             55              5
PROB (%) > 0.50 IN              0             20              5
PROB (%) > 1.00 IN              0              5              0

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

Cloud cover                 mcldy         cloudy         cloudy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp               13              5             15
Max Wind               NW 20 G 29     SW 23 G 32      W 17 G 24
QPF                          0.10           0.51           0.03
Snow amount                   2.2           10.2            0.7
Precip prob (%)                90            100             40
Snow level (ft)               500           2400           2000

QPF Probabilities...
PROB (%) > 0.10 IN             51             99             17
PROB (%) > 0.25 IN             10             85             10
PROB (%) > 0.50 IN              5             50              5
PROB (%) > 1.00 IN              0             15              0

Estimated Past 24hr (3am-3am) snowfall: 5.3


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

Cloud cover                 mcldy         cloudy          mcldy
Precip type                  SNOW    SNOWSHOWERS    SNOWSHOWERS
Max/Min/Max temp               12              8             12
Max Wind               NW 30 G 42     SW 28 G 40      W 26 G 35
QPF                          0.15           0.57           0.03
Snow amount                   3.4           11.2            0.7
Precip prob (%)                95            100             40
Snow level (ft)               600           2300           1300

QPF Probabilities...
PROB (%) > 0.10 IN             71             99             17
PROB (%) > 0.25 IN             25             90             10
PROB (%) > 0.50 IN              5             60              5
PROB (%) > 1.00 IN              0             20              0

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

Cloud cover                cloudy         cloudy          mcldy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp               18             11             21
Max Wind                W 15 G 22     SW 30 G 42      W 12 G 19
QPF                          0.17           0.43           0.03
Snow amount                   3.5            8.5            0.5
Precip prob (%)                90            100             40
Snow level (ft)               700           2400           1800

QPF Probabilities...
PROB (%) > 0.10 IN             73             98             17
PROB (%) > 0.25 IN             30             80             10
PROB (%) > 0.50 IN             10             40              5
PROB (%) > 1.00 IN              0             10              0

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

Cloud cover                 mcldy         cloudy          mcldy
Precip type                  SNOW    SNOWSHOWERS    SNOWSHOWERS
Max/Min/Max temp               13              8             15
Max Wind                W 15 G 22      S 19 G 28     SW 14 G 21
QPF                          0.13           0.46           0.05
Snow amount                   3.0            9.2            1.0
Precip prob (%)                90            100             45
Snow level (ft)               700           2200           1200

QPF Probabilities...
PROB (%) > 0.10 IN             63             98             24
PROB (%) > 0.25 IN             20             85             10
PROB (%) > 0.50 IN              5             45              5
PROB (%) > 1.00 IN              0             10              5

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

Cloud cover                 mcldy         cloudy         cloudy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp         24 to 28       14 to 19       28 to 32
Wind                   NW 15 G 22     SW 17 G 24      S 13 G 20
Snow amount                1 to 2       around 5    less than 1

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

Cloud cover                 mcldy         cloudy         cloudy
Precip type                  SNOW           SNOW           SNOW
Max/Min/Max temp         16 to 26        9 to 15       20 to 29
Wind                NW 13-23 G 32     SW 23 G 32     SW 13 G 20
Snow amount              around 2            6-8         1 to 2

$$



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