513  
FWUS45 KRIW 032049  
AVGRIW  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE RIVERTON WY  
149 PM MST FRI DEC 3 2021  
   
DISCUSSION
 
 
THE WEATHER PATTERN WILL CHANGE STARTING SATURDAY, WITH A MORE  
ACTIVE PATTERN REMAINING IN PLACE THROUGH THE NEXT WEEK. WINDS  
WILL INCREASE ACROSS THE AREA SATURDAY AFTERNOON, WITH GUSTS UP TO  
35 MPH OVER THE TETONS BY MIDDAY AND INCREASING UP TO 45 MPH  
BEFORE SUNSET. THESE WINDS WILL CONTINUE SATURDAY NIGHT, WITH  
CHANCES FOR SNOW INCREASING SATURDAY EVENING. THE BEST CHANCES FOR  
SNOW WILL BE OVER THE EAST ZONE SATURDAY NIGHT INTO SUNDAY.  
SNOWFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED THROUGH THIS TIME  
PERIOD, WITH 2 TO 4 INCHES OVER THE EAST ZONE. COOLER TEMPERATURES  
WILL REMAIN IN PLACE MONDAY, AS ANOTHER ROUND OF SNOW IMPACTS THE  
AREA BY MONDAY AFTERNOON INTO TUESDAY.  
 
FORECASTER...LAVOIE  
 
   
..RENDEZVOUS MOUNTAIN (10,318 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW SC SC SC BK OV BK BK OV BK BK BK SC SC BK BK OV  
CLOUD COVER (%) 25 25 10 15 25 30 40 50 55 70 60 70 75 65 65 65 40 50 60 70 80  
TEMPERATURE 31 27 27 28 29 30 35 33 31 29 29 26 21 17 23 22 16 14 14 15 14  
MIN/MAX TEMP 25 35 14 24 14  
DEWPOINT TEMP 23 20 19 19 20 21 20 20 20 19 21 22 17 11 13 13 12 11 11 11 11  
HUMIDITY 72 74 71 68 69 69 54 58 63 66 72 85 84 77 65 68 84 88 88 84 88  
WIND DIR W W W W W W W W W W W W W W W W W W SW SW SW  
WIND (MPH) 11 12 12 12 13 14 19 24 25 26 27 26 20 17 17 14 13 11 12 14 16  
WIND GUST (MPH) 17 19 21 21 19 23 29 36 35 36 39 36 28 24 24 20 17 18 20 21  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 30 40 40 40 50 50 50 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.10 0.06 0.03  
12 HOUR SNOW 0.0 0.0 1.2 0.8 0.4  
SNOW LEVEL (KFT)7.5 7.2 6.9 6.5 6.2 6.5 7.5 7.5 7.0 6.8 6.6 6.1 4.6 3.6 2.7 2.5 2.4 2.5 2.5 2.3 2.2  
 
   
..JACKSON AIRPORT (6,451 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC SC FW FW SC SC SC SC SC BK BK BK OV BK BK BK SC BK BK BK OV  
CLOUD COVER (%) 40 25 15 20 30 25 40 45 45 70 60 65 75 70 60 60 40 50 60 70 80  
TEMPERATURE 38 33 29 27 26 30 42 45 40 38 37 34 30 29 36 39 31 26 23 19 17  
MIN/MAX TEMP 24 48 27 39 17  
DEWPOINT TEMP 27 27 25 24 22 22 23 21 21 24 26 27 25 22 20 18 18 17 16 15 13  
HUMIDITY 64 78 85 88 85 72 46 38 46 57 64 75 81 75 52 42 58 68 74 84 84  
WIND DIR SW SW SW SW SW SW S S S SW SW SW SW SW W W W SW SW SW SW  
WIND (MPH) 6 8 8 6 6 9 16 18 17 16 19 23 18 14 14 12 11 9 11 11 12  
WIND GUST (MPH) 12 24 27 24 23 27 32 25 20 21 18  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 30 30 40 40 40 40 40 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.01 0.06 0.03  
12 HOUR SNOW 0.0 0.0 0.2 0.7 0.3  
SNOW LEVEL (KFT)7.0 6.6 6.3 5.9 5.6 5.9 7.0 7.1 6.5 6.2 6.1 5.7 4.6 3.7 2.8 2.5 2.4 2.5 2.5 2.3 2.2  
 
   
..BT AVALANCHE CENTER (6,410 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW FW SC SC SC SC SC BK BK BK OV BK BK BK SC SC BK BK OV  
CLOUD COVER (%) 35 25 10 15 25 25 35 45 45 65 55 65 75 65 65 65 40 50 60 65 80  
TEMPERATURE 39 35 32 30 30 34 43 44 40 38 38 36 33 31 35 38 32 29 27 24 21  
MIN/MAX TEMP 28 47 30 38 21  
DEWPOINT TEMP 26 24 23 23 24 24 24 19 19 20 22 25 24 21 19 15 14 16 16 17 15  
HUMIDITY 59 64 69 75 78 66 47 36 42 48 52 64 69 66 52 38 47 58 63 74 77  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW SW W W W SW SW SW SW  
WIND (MPH) 8 9 10 10 10 11 14 20 20 20 23 23 18 14 13 11 11 9 11 11 12  
WIND GUST (MPH) 17 23 31 28 28 32 32 25 20 19 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 30 30 40 40 40 40 40 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.04 0.06 0.03  
12 HOUR SNOW 0.0 0.0 0.4 0.7 0.3  
SNOW LEVEL (KFT)7.2 6.9 6.5 6.2 5.9 6.1 7.2 7.3 6.7 6.4 6.3 5.9 4.6 3.7 2.8 2.6 2.5 2.5 2.5 2.3 2.2  
 
   
..SNOW KING MOUNTAIN (7,810 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW FW FW SC SC SC SC BK BK BK OV OV BK BK SC SC BK BK OV  
CLOUD COVER (%) 30 20 10 15 25 30 40 50 45 60 60 70 75 70 65 65 40 50 60 65 75  
TEMPERATURE 38 35 33 31 28 32 43 44 39 36 34 31 29 29 34 37 29 25 23 21 20  
MIN/MAX TEMP 27 46 27 37 19  
DEWPOINT TEMP 28 29 29 25 19 20 25 23 24 24 24 25 24 19 18 18 17 16 15 15 14  
HUMIDITY 67 78 85 78 68 61 49 43 54 61 66 78 81 66 51 46 60 68 71 77 77  
WIND DIR S S SE SE SE SE S S S S S SW SW W W W W SW SW SW SW  
WIND (MPH) 6 8 8 6 8 11 13 16 14 14 13 12 16 13 13 11 11 8 10 10 10  
WIND GUST (MPH) 17 20 24 20 20 19 23 19 19 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 20 20 40 40 50 50 50 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.01 0.07 0.03  
12 HOUR SNOW 0.0 0.0 0.1 0.9 0.3  
SNOW LEVEL (KFT)7.1 6.7 6.4 6.1 5.7 5.9 6.9 7.1 6.5 6.2 6.1 5.7 4.6 3.9 3.2 2.8 2.6 2.6 2.5 2.3 2.2  
 
   
..FREDS MOUNTAIN (9,840 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW SC SC BK BK OV OV OV OV OV OV BK BK SC BK BK OV OV  
CLOUD COVER (%) 20 25 15 20 30 40 55 65 75 80 70 75 80 70 60 60 45 55 65 75 85  
TEMPERATURE 31 29 28 32 31 31 36 35 32 31 30 30 25 19 24 22 17 15 16 15 15  
MIN/MAX TEMP 28 38 18 25 15  
DEWPOINT TEMP 26 23 19 22 20 18 24 23 22 22 20 23 19 11 12 14 12 11 11 12 11  
HUMIDITY 81 78 68 66 63 58 61 61 66 69 66 75 78 70 60 71 80 84 80 88 84  
WIND DIR S S S SW SW SW SW SW SW SW SW SW W W W W W W SW SW SW  
WIND (MPH) 8 9 8 6 8 10 14 16 18 20 21 20 18 16 16 13 11 10 11 12 13  
WIND GUST (MPH) 12 16 23 24 25 28 31 28 26 23 21  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 30 40 40 40 40 40 40 20 20 20 60  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.07 0.06 0.03  
12 HOUR SNOW 0.0 0.0 0.8 0.9 0.4  
SNOW LEVEL (KFT)7.4 7.1 6.9 6.6 6.4 6.6 7.4 7.5 7.0 6.7 6.4 6.0 4.5 3.5 2.5 2.2 2.2 2.4 2.4 2.2 2.2  
 
   
..BLIND BULL SUMMIT (9,020 FT) LINCOLN COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW FW FW FW SC SC BK OV OV OV BK BK BK SC BK BK OV  
CLOUD COVER (%) 25 15 10 10 10 15 20 25 30 40 70 75 80 80 65 65 50 50 50 60 75  
TEMPERATURE 32 29 29 29 28 31 37 38 32 31 30 29 26 25 27 27 20 18 18 17 17  
MIN/MAX TEMP 26 40 23 28 16  
DEWPOINT TEMP 23 24 22 17 16 17 20 22 22 22 22 22 21 18 19 19 14 13 13 14 13  
HUMIDITY 69 81 75 60 60 56 50 52 66 69 72 75 81 74 71 71 77 80 80 88 84  
WIND DIR W SW SW SW SW SW W W W W W W W W W W W W W W W  
WIND (MPH) 6 6 6 8 9 11 17 18 16 18 20 23 25 20 20 19 16 11 10 11 11  
WIND GUST (MPH) 17 26 27 23 25 28 32 34 28 28 26 23 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 30 50 50 50 50 50 40 40 20 20 0 50  
PRECIP TYPE S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.03 0.07 0.02  
12 HOUR SNOW 0.0 0.0 0.3 0.8 0.2  
SNOW LEVEL (KFT)7.6 7.3 7.0 6.8 6.5 6.8 7.7 7.7 7.0 6.8 6.6 6.2 4.8 4.3 4.2 3.9 3.2 2.7 2.5 2.3 2.3  
 
   
..MOUNT COFFIN (10,870 FT) LINCOLN COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC SC FW FW FW FW FW FW FW SC BK OV OV OV BK BK SC SC SC BK OV  
CLOUD COVER (%) 35 25 20 15 15 10 10 20 20 35 60 70 75 75 60 55 45 40 50 55 70  
TEMPERATURE 29 27 26 26 26 27 30 29 27 26 26 24 21 18 20 20 15 14 13 14 14  
MIN/MAX TEMP 24 33 17 21 13  
DEWPOINT TEMP 17 18 14 11 9 7 12 13 18 18 20 20 18 10 10 11 9 9 10 10 8  
HUMIDITY 60 68 60 52 48 42 46 51 68 71 78 84 88 70 64 67 77 80 87 84 76  
WIND DIR W W W W W W W W W W W W W W W W W W W W W  
WIND (MPH) 10 9 9 10 12 13 17 19 21 28 31 34 33 27 26 24 19 13 14 16 17  
WIND GUST (MPH) 20 26 29 31 40 43 48 47 37 36 33 27 19 20 23 23  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 20 50 50 50 40 40 30 30 0 0 0 50  
PRECIP TYPE S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.02 0.03 0.01  
12 HOUR SNOW 0.0 0.0 0.2 0.4 0.1  
SNOW LEVEL (KFT)7.7 7.3 7.0 6.9 6.7 6.9 7.8 7.7 7.1 6.8 6.6 6.2 4.8 4.2 4.1 4.0 3.4 2.9 2.7 2.4 2.4  
 
   
..COMMISSARY RIDGE (9,340 FT) LINCOLN COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW FW FW FW FW FW FW SC BK OV OV OV BK BK SC SC SC BK OV  
CLOUD COVER (%) 40 25 15 10 10 10 10 20 25 40 60 75 75 75 60 55 45 40 50 55 70  
TEMPERATURE 31 30 30 30 29 30 38 37 32 29 29 28 25 24 28 27 16 16 15 15 15  
MIN/MAX TEMP 26 41 23 29 15  
DEWPOINT TEMP 19 21 19 14 12 12 13 13 15 16 17 19 19 16 15 15 10 10 9 10 8  
HUMIDITY 61 69 63 51 48 46 35 37 49 58 60 68 78 71 58 60 77 77 77 80 73  
WIND DIR NW W W W W SW W W W W W W W W W W W W W W W  
WIND (MPH) 5 8 8 6 8 10 14 21 24 24 23 26 27 24 23 20 17 12 12 12 13  
WIND GUST (MPH) 16 23 33 33 33 32 36 39 33 32 28 23 18 19  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 10 50 50 50 40 40 30 30 0 0 0 50  
PRECIP TYPE S S S S S S S  
12 HOUR QPF 0.00 0.00 0.04 0.03 0.01  
12 HOUR SNOW 0.0 0.0 0.6 0.4 0.1  
SNOW LEVEL (KFT)7.6 7.2 6.9 6.7 6.5 6.8 7.6 7.6 7.0 6.7 6.5 6.1 4.8 4.3 4.2 4.0 3.5 3.0 2.7 2.4 2.5  
 
   
..SPRING CREEK DIVIDE SNOTEL (9,000 FT) LINCOLN COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC SC FW FW FW FW FW FW FW SC BK OV OV OV BK BK SC SC SC BK OV  
CLOUD COVER (%) 35 25 20 15 15 10 10 15 25 40 60 75 75 75 60 50 45 40 50 55 70  
TEMPERATURE 31 30 28 30 29 31 38 38 32 30 30 30 26 24 28 27 19 18 16 16 16  
MIN/MAX TEMP 26 40 22 29 16  
DEWPOINT TEMP 20 22 20 16 13 12 14 16 17 18 20 20 20 15 15 16 11 11 11 11 9  
HUMIDITY 63 72 71 55 51 45 37 40 53 60 66 66 78 68 58 63 70 73 80 80 73  
WIND DIR NW NW W W W W W W W W W W W W W W W W W W W  
WIND (MPH) 6 6 5 5 6 9 14 19 21 25 27 29 28 25 24 20 16 11 11 12 13  
WIND GUST (MPH) 23 29 31 35 39 41 40 34 33 29 23 19  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 10 50 50 50 40 40 30 30 0 0 0 50  
PRECIP TYPE S S S S S S S  
12 HOUR QPF 0.00 0.00 0.02 0.03 0.01  
12 HOUR SNOW 0.0 0.0 0.2 0.3 0.1  
SNOW LEVEL (KFT)7.7 7.3 7.0 6.8 6.6 6.8 7.7 7.7 7.1 6.8 6.6 6.2 4.8 4.3 4.2 4.0 3.5 3.0 2.7 2.4 2.5  
 
   
..LAVA MOUNTAIN (10,430 FT) FREMONT COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW FW SC SC SC BK BK OV OV OV BK BK SC SC SC BK OV  
CLOUD COVER (%) 20 10 10 10 15 20 30 35 35 55 65 70 85 80 65 65 35 40 50 60 70  
TEMPERATURE 28 26 26 26 26 27 31 30 27 26 26 25 20 15 20 20 12 10 9 9 9  
MIN/MAX TEMP 24 32 14 21 9  
DEWPOINT TEMP 24 22 22 21 22 20 20 19 19 19 21 22 18 12 14 15 9 7 6 7 7  
HUMIDITY 85 85 85 81 85 74 63 63 71 74 81 88 92 88 77 81 87 87 87 91 91  
WIND DIR W W W W W W W W W W W W W W W W W W W W W  
WIND (MPH) 13 13 14 14 16 17 21 24 23 27 28 27 24 24 23 20 16 12 12 13 13  
WIND GUST (MPH) 23 20 21 23 23 26 33 36 32 39 40 39 34 33 32 28 23 18 19 19  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 40 50 50 60 60 60 50 50 20 20 20 40  
PRECIP TYPE S S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.10 0.08 0.02  
12 HOUR SNOW 0.0 0.0 1.2 1.0 0.2  
SNOW LEVEL (KFT)7.3 6.6 6.2 6.0 6.0 6.5 7.5 7.3 6.8 6.6 6.4 6.1 4.6 3.5 2.5 2.2 1.9 2.2 2.3 2.3 2.1  
 
   
..TOGWOTEE MOUNTAIN LODGE (8,710 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW SC SC SC SC OV OV OV OV OV BK BK SC SC BK BK OV  
CLOUD COVER (%) 20 20 10 20 25 25 40 40 45 75 70 75 85 80 65 65 40 40 55 65 80  
TEMPERATURE 31 30 29 28 26 30 38 39 34 33 31 29 25 23 28 29 17 15 13 15 15  
MIN/MAX TEMP 26 41 22 31 13  
DEWPOINT TEMP 26 26 25 22 18 19 21 19 20 21 22 24 21 16 16 14 12 11 10 10 9  
HUMIDITY 81 85 85 78 71 63 50 44 56 61 69 81 84 74 60 53 80 84 87 80 77  
WIND DIR SW SW SW SW SW SW W SW SW SW W W W W W W W W W W W  
WIND (MPH) 5 5 6 8 8 9 12 16 17 18 19 19 20 20 19 16 11 8 8 10 9  
WIND GUST (MPH) 13 16 19 24 24 25 27 27 28 28 26 23  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 30 50 50 60 60 60 40 40 20 30 30 50  
PRECIP TYPE S S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.06 0.10 0.02  
12 HOUR SNOW 0.0 0.0 0.8 1.3 0.4  
SNOW LEVEL (KFT)7.2 6.6 6.3 6.1 5.9 6.4 7.4 7.3 6.8 6.5 6.3 6.0 4.4 3.3 2.2 2.1 1.9 2.1 2.3 2.3 2.1  
 
   
..BROOKS LAKE LODGE (9,340 FT) FREMONT COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW FW SC SC SC BK BK OV OV OV BK BK SC SC SC BK OV  
CLOUD COVER (%) 20 15 10 10 15 20 30 30 35 60 65 75 85 85 65 65 40 40 50 60 70  
TEMPERATURE 30 29 26 27 27 31 37 37 32 31 29 28 24 23 28 26 16 14 12 14 14  
MIN/MAX TEMP 25 39 20 29 12  
DEWPOINT TEMP 24 22 21 19 18 16 14 14 16 18 19 21 18 14 11 10 8 8 8 8 8  
HUMIDITY 78 75 81 71 68 53 38 38 51 58 66 75 77 68 48 50 70 76 84 76 76  
WIND DIR NW NW W W W W W W W W W W W W W W W W W W W  
WIND (MPH) 9 10 10 11 13 14 19 21 19 25 25 24 21 21 21 18 13 11 11 12 11  
WIND GUST (MPH) 18 20 25 26 19 23 29 33 27 35 35 33 31 31 29 26 19  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 20 40 60 60 70 70 70 50 50 20 30 30 50  
PRECIP TYPE S S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.07 0.10 0.02  
12 HOUR SNOW 0.0 0.0 0.9 1.1 0.2  
SNOW LEVEL (KFT)7.3 6.7 6.3 6.1 6.0 6.5 7.5 7.3 6.8 6.6 6.4 6.1 4.5 3.3 2.3 2.1 1.8 2.1 2.3 2.3 2.1  
 
   
..PINE CREEK PASS SNOTEL (6,720 FT) TETON COUNTY ID
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW SC SC SC SC SC SC BK BK BK OV OV BK SC SC BK BK OV OV  
CLOUD COVER (%) 35 25 15 25 45 40 45 45 50 60 60 65 75 75 50 40 45 55 65 75 90  
TEMPERATURE 36 34 33 34 33 36 43 43 39 38 36 34 31 30 31 29 25 25 24 25 25  
MIN/MAX TEMP 32 45 29 33 23  
DEWPOINT TEMP 29 29 27 26 24 25 27 26 25 25 24 25 25 22 17 12 14 16 16 16 16  
HUMIDITY 75 82 78 72 69 64 53 51 57 59 61 69 78 72 56 48 62 68 71 68 68  
WIND DIR SW SW S S S S SW SW SW SW SW SW SW W W W W SW SW S S  
WIND (MPH) 4 4 5 4 5 6 12 16 17 21 25 23 16 13 10 9 5 5 5 6 13  
WIND GUST (MPH) 10 10 10 11 16 20 24 26 33 36 33 25 20 19 18 13 13 13 18 21  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 10 20 20 40 40 40 10 10 10 40 40 90  
PRECIP TYPE S S S S S S S  
12 HOUR QPF 0.00 0.00 0.01 0.03 0.03  
12 HOUR SNOW 0.0 0.0 0.2 0.3 0.4  
SNOW LEVEL (KFT)7.4 7.1 6.7 6.4 6.3 6.2 6.9 7.1 6.6 6.2 5.9 5.5 4.8 4.1 3.1 2.8 2.6 2.7 2.4 2.3 2.7  
 
   
..SHEEP MOUNTAIN SNOTEL (6,570 FT) BINGHAM COUNTY ID
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW SC SC SC BK SC SC SC BK BK OV OV BK BK BK SC BK OV OV  
CLOUD COVER (%) 40 25 20 25 45 45 55 45 45 45 55 60 70 80 65 50 55 45 65 75 85  
TEMPERATURE 35 33 32 33 33 33 41 42 36 35 35 35 32 30 30 30 27 24 25 26 26  
MIN/MAX TEMP 30 44 29 33 23  
DEWPOINT TEMP 29 28 27 26 26 26 29 27 27 26 25 25 26 24 21 18 18 17 16 16 17  
HUMIDITY 78 82 81 75 75 75 62 55 69 69 66 66 78 78 69 60 68 74 68 65 68  
WIND DIR S S S S S S S SW SW SW SW SW W W W W W SW SW S S  
WIND (MPH) 9 11 12 13 13 13 18 19 23 28 32 32 31 26 16 13 13 14 17 17 18  
WIND GUST (MPH) 19 27 29 33 41 46 47 44 39 21 20 26  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 5 10 10 30 30 30 5 5 5 30 30 80  
PRECIP TYPE S S S S S  
12 HOUR QPF 0.00 0.00 0.00 0.01 0.02  
12 HOUR SNOW 0.0 0.0 0.0 0.1 0.3  
SNOW LEVEL (KFT)7.4 6.9 6.5 6.1 5.9 5.8 6.9 7.1 6.4 6.1 5.8 5.5 4.8 4.2 4.0 4.0 3.5 2.6 2.3 2.2 2.8  
 
   
..SYLVAN PASS (8,420 FT) PARK COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC SC SC SC SC SC BK OV OV OV OV OV OV OV BK BK SC SC BK OV OV  
CLOUD COVER (%) 35 40 35 45 45 50 65 70 75 80 85 90 80 80 55 55 40 50 65 75 85  
TEMPERATURE 31 30 30 32 31 34 38 39 30 30 28 27 22 19 25 25 17 14 13 13 13  
MIN/MAX TEMP 28 40 17 27 12  
DEWPOINT TEMP 28 29 27 26 26 25 23 23 25 26 25 24 19 14 13 13 10 9 9 8 8  
HUMIDITY 88 96 88 78 81 69 54 52 81 85 88 88 88 80 60 60 73 80 84 80 80  
WIND DIR SW SW SW SW SW SW SW SW SW W W W W W W W W W W SW SW  
WIND (MPH) 11 11 12 13 14 16 19 18 19 23 25 25 24 21 19 16 13 12 12 14 12  
WIND GUST (MPH) 25 24 26 27 20 24 29 27 27 32 35 35 33 31 26 21 19 18 20 18  
PRECIP PROB (%) 0 5 5 0 0 0 0 5 30 50 60 70 70 60 60 40 40 20 30 30 60  
PRECIP TYPE S S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.11 0.08 0.03  
12 HOUR SNOW 0.0 0.0 1.6 0.9 0.5  
SNOW LEVEL (KFT)7.0 6.7 6.5 6.5 6.5 6.8 7.4 7.3 6.9 6.6 6.3 5.7 3.7 2.1 1.6 1.6 1.4 1.5 2.1 2.3 2.1  
 
   
..MOUNT GLORY (10,227 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC FW FW FW SC SC BK BK BK BK BK OV OV OV BK BK SC BK BK OV OV  
CLOUD COVER (%) 30 20 10 20 35 45 50 55 55 65 65 75 75 70 70 70 45 50 60 70 85  
TEMPERATURE 31 29 29 29 28 28 34 34 31 31 30 28 25 21 24 24 19 17 17 17 16  
MIN/MAX TEMP 27 36 20 25 16  
DEWPOINT TEMP 24 22 21 20 19 18 20 21 21 20 21 23 21 15 14 13 12 12 13 14 13  
HUMIDITY 75 75 72 69 68 66 56 58 66 63 69 81 84 77 65 62 74 80 84 88 88  
WIND DIR W W W W W W W W SW SW W W W W W W W W SW SW SW  
WIND (MPH) 5 6 6 5 6 11 14 16 14 18 19 19 17 14 14 12 11 9 10 12 12  
WIND GUST (MPH) 12 12 12 17 23 24 20 25 27 27 25 21 20 17 18  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 10 20 30 30 40 40 50 50 50 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.04 0.07 0.03  
12 HOUR SNOW 0.0 0.0 0.5 0.9 0.4  
SNOW LEVEL (KFT)7.4 6.9 6.6 6.4 6.0 6.3 7.3 7.4 6.9 6.6 6.4 6.0 4.7 3.8 2.9 2.6 2.6 2.6 2.4 2.3 2.3  
 
   
..FERRY PEAK (9,612 FT) LINCOLN COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER SC SC FW FW FW FW SC SC SC BK BK OV OV OV BK BK BK BK BK BK OV  
CLOUD COVER (%) 30 25 15 20 25 25 30 40 45 60 70 75 80 75 65 65 50 55 60 65 80  
TEMPERATURE 33 31 30 30 29 29 36 38 34 32 31 30 27 25 28 29 22 21 20 19 19  
MIN/MAX TEMP 27 39 24 29 19  
DEWPOINT TEMP 27 26 23 22 20 20 25 25 25 24 24 24 23 19 20 21 17 17 17 17 16  
HUMIDITY 78 81 75 72 69 69 64 59 69 72 75 78 85 78 71 72 81 84 88 92 88  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW W W W W W W SW SW SW  
WIND (MPH) 5 5 5 5 6 8 11 16 17 19 20 20 18 14 13 12 11 8 9 10 11  
WIND GUST (MPH) 17 24 24 27 28 28 26 20  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 20 20 20 40 40 40 40 40 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.00 0.06 0.02  
12 HOUR SNOW 0.0 0.0 0.1 0.6 0.2  
SNOW LEVEL (KFT)7.3 6.9 6.4 6.2 5.9 6.0 7.0 7.3 6.5 6.2 6.1 5.8 4.7 4.2 3.9 3.4 3.2 2.8 2.5 2.3 2.4  
 
   
..BEAVER MOUNTAIN (9,737 FT) TETON COUNTY WY
 
 
DATE SATURDAY 12/04 SUNDAY 12/05  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER FW FW FW FW FW SC SC SC SC BK BK OV OV OV BK BK SC SC BK BK OV  
CLOUD COVER (%) 20 15 10 15 20 30 40 45 45 50 65 70 80 75 65 65 45 45 55 60 75  
TEMPERATURE 34 32 31 29 30 30 37 37 34 33 31 30 27 26 29 29 23 21 19 19 17  
MIN/MAX TEMP 28 39 24 29 17  
DEWPOINT TEMP 25 24 23 22 23 22 22 19 20 21 21 23 22 18 19 18 16 14 13 13 12  
HUMIDITY 69 72 72 75 75 72 54 48 56 61 66 75 81 71 66 63 74 74 77 77 80  
WIND DIR S S S S S S SW SW SW SW SW SW W W W W W W W SW SW  
WIND (MPH) 6 6 5 5 5 6 10 14 14 19 20 21 17 13 14 13 11 9 9 9 9  
WIND GUST (MPH) 16 23 20 27 28 31 24 19 20 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 5 30 30 30 50 50 50 50 50 20 20 20 50  
PRECIP TYPE S S S S S S S S S S S S  
12 HOUR QPF 0.00 0.00 0.02 0.07 0.02  
12 HOUR SNOW 0.0 0.0 0.2 0.8 0.2  
SNOW LEVEL (KFT)7.2 6.8 6.5 6.2 5.8 6.0 7.0 7.2 6.5 6.2 6.1 5.7 4.8 4.1 3.6 3.4 2.9 2.7 2.5 2.3 2.2  
 

 
 
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT  
 
DAY 1 THROUGH DAY 3...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
RH(%)...............................RELATIVE HUMIDITY  
WIND DIR(8 POINT COMPASS)...........WIND DIRECTION  
WIND SPD(MPH).......................WIND SPEED  
CLOUDS(CAT).........................CLOUD COVER CATEGORY  
CL.....CLEAR/SUNNY.......................0% TO =< 10%  
FW.....MOSTLY CLEAR/MOSTLY SUNNY......> 10% TO =< 30%  
SC.....PARTLY CLOUDY/PARTLY SUNNY.....> 30% TO =< 60%  
BK.....MOSTLY CLOUDY..................> 60% TO =< 80%  
OV.....CLOUDY.........................> 80% TO =< 100%  
CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
QPF 12HR(IN.).......................AMOUNT OF LIQUID PRECIPITATION  
SNOW 12HR(MIN-MAX - IN.)............RANGE OF SNOWFALL  
WEATHER...  
TYPE...  
RAIN...........RAIN  
RAIN SHWRS.....RAIN SHOWERS  
SPRINKLES......SPRINKLES  
TSTMS..........THUNDERSTORMS  
DRIZZLE........DRIZZLE  
SNOW...........SNOW  
SNOWSHWRS......SNOW SHOWERS  
FLURRIES.......SNOW FLURRIES  
SLEET..........SLEET  
FRZG RAIN......FREEZING RAIN  
FRZG DRZL......FREEZING DRIZZLE  
COVERAGE...  
IS.............ISOLATED  
SC.............SCATTERED  
NM.............NUMEROUS  
O..............OCCASIONAL  
S..............SLIGHT CHANCE  
C..............CHANCE  
L..............LIKELY  
WD.............WIDESPREAD  
D..............DEFINITE  
AR.............AREAS  
PA.............PATCHY  
OBVIS...............................OBSTRUCTION TO VISIBILITY  
F.......FOG  
PF......PATCHY FOG  
F+......DENSE FOG  
PF+.....PATCHY DENSE FOG  
H.......HAZE  
BS......BLOWING SNOW  
K.......SMOKE  
BD......BLOWING DUST  
VA......VOLCANIC ASH  
DAY 4 THROUGH DAY 7...  
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE  
TEMP(F).............................AIR TEMPERATURE  
DEWPT(F)............................DEW POINT TEMPERATURE  
PWIND DIR(8 POINT COMPASS)..........PREDOMINANT WIND DIRECTION IN 12HR PERIOD  
WIND CHAR(MAX SUSTAINED IN 12HR)....WIND CHARACTERISTIC  
LT.....LIGHT; < 8 MPH  
GN.....GENTLE; 8 - 14 MPH  
BZ.....BREEZY; 15 - 22 MPH  
WY.....WINDY; 23 - 30 MPH  
VW.....VERY WINDY; 31 - 39 MPH  
SD.....STRONG/DAMAGING; >= 40 MPH  
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION  
WEATHER...  
SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS  
 
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