471  
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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