418  
FWUS45 KPIH 210933  
SAGPIH  
 
SNOW AVALANCHE GUIDANCE PRODUCT  
NATIONAL WEATHER SERVICE POCATELLO ID  
333 AM MDT SUN APR 21 2019  
 
*THIS WILL BE THE LAST ISSUED SNOW AVALANCHE PRODUCT FOR THE  
2018-2019 SEASON*  
   
DISCUSSION
 
AREA OF LOW PRESSURE WILL TRACK THROUGH THE GREAT  
BASIN TODAY, PROVIDING NUMEROUS LOWER ELEVATION RAIN SHOWERS ALONG  
WITH HIGHER ELEVATION SNOW SHOWERS INTO THIS EVENING. SNOW SHOULD  
GENERALLY BE CONFINED TO AREAS ABOVE 7000 FEET ELEVATION. AFTER  
SUNSET, THE AREAL EXTENT AND INTENSITY OF PRECIPITATION WILL  
QUICKLY WIND DOWN, WITH ALL SHOWER ACTIVITY FORECAST TO END AROUND  
MIDNIGHT. A RIDGE OF HIGH PRESSURE WILL THEN BUILD INTO THE AREA  
MONDAY, BRINGING A RETURN TO DRY CONDITIONS ALONG WITH WARMING  
TEMPERATURES. THE NEXT CHANCE OF SHOWERS ARRIVES LATE TUESDAY,  
ALTHOUGH IT APPEARS AT THIS TIME THAT THIS ACTIVITY WILL BE LIGHT  
AND ISOLATED. LOOK FOR INCREASED WIND LOADING BY MIDWEEK AS MID  
LEVEL FLOW INCREASES.  
 
**********SAWTOOTH RECREATION AREA FORECAST**********   
..BALD MTN (9145 FT)
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY PCLDY MCLEAR  
PRECIP TYPE SNOWSHOWERS SNOWSHOWERS NONE  
MAX/MIN/MAX TEMP 39 28 45  
MAX WIND N 19 G 28 N 21 G 30 N 14 G 21  
QPF 0.06 0.01 NONE  
SNOW AMOUNT 0.4 0.1 NONE  
PRECIP PROB (%) 75 15 5  
SNOW LEVEL (FT) 7400 6700 7100  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 30 7 0  
PROB (%) > 0.25 IN 10 5 0  
PROB (%) > 0.50 IN 5 5 0  
PROB (%) > 1.00 IN 0 0 0  
   
..TITUS PEAK (10079 FT)
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY MCLDY MCLEAR  
PRECIP TYPE SNOWSHOWERS SNOWSHOWERS NONE  
MAX/MIN/MAX TEMP 36 25 45  
MAX WIND N 19 G 28 N 22 G 31 N 15 G 22  
QPF 0.07 0.01 NONE  
SNOW AMOUNT 0.4 0.1 NONE  
PRECIP PROB (%) 75 15 5  
SNOW LEVEL (FT) 7400 7000 7300  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 35 7 0  
PROB (%) > 0.25 IN 10 5 0  
PROB (%) > 0.50 IN 5 5 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 CLOUDY PCLDY MCLEAR  
PRECIP TYPE SNOWSHOWERS NONE NONE  
MAX/MIN/MAX TEMP 36 27 41  
MAX WIND NW 21 G 30 N 26 G 40 N 20 G 29  
QPF 0.09 NONE NONE  
SNOW AMOUNT 0.5 NONE NONE  
PRECIP PROB (%) 65 10 5  
SNOW LEVEL (FT) 8300 7900 7700  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 41 0 0  
PROB (%) > 0.25 IN 20 0 0  
PROB (%) > 0.50 IN 10 0 0  
PROB (%) > 1.00 IN 5 0 0  
   
..SAWTOOTH (7775 FT)
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY PCLDY CLEAR  
PRECIP TYPE SNOWSHOWERS NONE NONE  
MAX/MIN/MAX TEMP 45 27 54  
MAX WIND N 13 G 20 N 18 G 25 N 11 G 18  
QPF 0.04 NONE NONE  
SNOW AMOUNT 0.2 NONE NONE  
PRECIP PROB (%) 60 10 0  
SNOW LEVEL (FT) 7200 7100 7000  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 20 0 0  
PROB (%) > 0.25 IN 5 0 0  
PROB (%) > 0.50 IN 5 0 0  
PROB (%) > 1.00 IN 0 0 0  
   
..VIENNA MINE (8960 FT)
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY MCLDY MCLEAR  
PRECIP TYPE SNOWSHOWERS NONE NONE  
MAX/MIN/MAX TEMP 39 24 47  
MAX WIND N 18 G 25 N 19 G 28 N 17 G 24  
QPF 0.10 NONE NONE  
SNOW AMOUNT 0.4 NONE NONE  
PRECIP PROB (%) 65 10 5  
SNOW LEVEL (FT) 7900 7400 7400  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 43 0 0  
PROB (%) > 0.25 IN 20 0 0  
PROB (%) > 0.50 IN 10 0 0  
PROB (%) > 1.00 IN 5 0 0  
   
..COPPER MTN (8600 FT)
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY PCLDY CLEAR  
PRECIP TYPE SNOWSHOWERS NONE NONE  
MAX/MIN/MAX TEMP 44 26 55  
MAX WIND N 15 G 22 N 19 G 28 NE 12 G 19  
QPF 0.02 NONE NONE  
SNOW AMOUNT 0.1 NONE NONE  
PRECIP PROB (%) 45 5 0  
SNOW LEVEL (FT) 7000 7100 7000  
 
QPF PROBABILITIES...  
PROB (%) > 0.10 IN 11 0 0  
PROB (%) > 0.25 IN 5 0 0  
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 CLOUDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS NONE  
MAX/MIN/MAX TEMP 49 TO 57 32 TO 36 55 TO 65  
WIND N 20 G 29 N 19 G 28 N 14 G 21  
SNOW AMOUNT TRACE TRACE NONE  
   
..6500 FT TO 8000 FT
 
 
TODAY... TONIGHT... MONDAY...  
 
CLOUD COVER CLOUDY PCLDY MCLEAR  
PRECIP TYPE SHOWERS SHOWERS NONE  
MAX/MIN/MAX TEMP 42 TO 52 28 TO 33 48 TO 58  
WIND N 16-26 G 35 N 25 G 34 N 13-23 G 32  
SNOW AMOUNT TRACE TRACE NONE  
 

 
 
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