553  
FWUS46 KMFR 202301  
AVGMFR  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE MEDFORD OR  
401 PM PDT WED OCT 20 2021  
 
   
..MT. SHASTA SKI BOWL (7,850 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 85 85 85 90 90 95 95 95100100100100100 95 95 80  
TEMPERATURE 31 35 36 37 38 37 38 39 39 40 42 40 37 32 31 31 30  
MIN/MAX TEMP 34 42 32 32  
WIND DIR S S S S S S S S S S S S SW W W W SW  
WIND (MPH) 29 29 39 35 40 46 50 51 43 42 39 36 34 19 10 18 13  
WIND GUST (MPH) 47 48 62 55 65 77 85 88 73 71 64 58 55 31 16 29 23  
PRECIP PROB (%) 70 40 60 60 70 70 90 90100100100100100100100 70 70  
PRECIP TYPE S S S S S R R R R R R R S S S S S  
12 HOUR QPF 0.33 1.27 2.53 0.73  
12 HOUR SNOW 0.4 0.0 0.4 3.2  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 6 6 6  
 
   
..MT. SHASTA BUNNY FLAT (6,930 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 85 85 85 90 90 95 95 95100100100100100 95 95 80  
TEMPERATURE 34 36 38 38 39 38 40 40 40 39 41 40 36 34 35 35 33  
MIN/MAX TEMP 35 41 32 36  
WIND DIR S S S S S S S S S S S S W W W W SW  
WIND (MPH) 19 19 25 31 32 31 34 35 29 33 31 28 23 13 9 12 9  
WIND GUST (MPH) 29 29 37 47 49 49 55 57 48 52 49 46 34 20 19  
PRECIP PROB (%) 60 40 60 60 70 70 90 90100100100100100100100 70 70  
PRECIP TYPE S R R R R R R R R R R R R S S S S  
12 HOUR QPF 0.26 1.03 2.22 0.62  
12 HOUR SNOW 0.0 0.0 0.0 0.7  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 6 6 6  
 
   
..MT. SHASTA GRAY BUTTE (7,790 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 85 90 85 90 90 95 95 95100100100100100 95 95 80  
TEMPERATURE 31 34 36 37 38 37 38 38 38 40 41 40 37 32 31 31 30  
MIN/MAX TEMP 33 42 32 32  
WIND DIR S S S S S S S S S S S S SW W W W SW  
WIND (MPH) 29 31 39 35 40 44 49 50 42 43 39 36 35 19 10 18 13  
WIND GUST (MPH) 47 48 62 55 65 77 85 88 73 71 64 58 55 31 16 29 23  
PRECIP PROB (%) 70 40 60 60 70 70 90 90100100100100100100100 70 70  
PRECIP TYPE S S S S S R R R R R R R S S S S S  
12 HOUR QPF 0.34 1.29 2.46 0.74  
12 HOUR SNOW 0.4 0.0 0.4 3.2  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 6 6 6  
 
   
..MT. SHASTA HELEN LAKE (10,450 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 80 85 80 90 90 90 95 95100100100100100 95 95 85  
TEMPERATURE 30 33 34 34 35 35 34 35 35 34 36 36 31 26 24 24 23  
MIN/MAX TEMP 32 36 26 26  
WIND DIR SW SW S SW SW SW S SW SW S S S S W W W W  
WIND (MPH) 42 41 49 50 55 63 70 72 60 64 63 58 51 29 21 26 21  
WIND GUST (MPH) 79 67 85 86 94112115115107113115115 98 55 44 47 41  
PRECIP PROB (%) 60 40 50 50 70 70 90 90100100100100100100100 70 70  
PRECIP TYPE S S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.25 1.37 2.91 0.80  
12 HOUR SNOW 1.4 5.5 12.8 7.2  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 6 6 7  
 
   
..ASH CREEK BUTTE (7,500 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 85 90 85 90 90 90 90 95100100100100100 95 95 80  
TEMPERATURE 31 34 37 37 37 37 38 38 38 39 40 41 37 33 33 33 31  
MIN/MAX TEMP 33 41 30 35  
WIND DIR S S S S S S S S S S S S SW NW W W SW  
WIND (MPH) 23 23 32 37 40 37 41 42 43 41 36 36 34 23 10 13 11  
WIND GUST (MPH) 34 36 48 61 65 61 66 67 70 66 61 58 54 34 17 20 17  
PRECIP PROB (%) 60 40 50 50 60 60 80 80100100100100100100100 70 70  
PRECIP TYPE S S R R R R R R R R R R R S S S S  
12 HOUR QPF 0.28 1.10 1.94 0.71  
12 HOUR SNOW 0.0 0.0 0.0 0.9  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 7 6 7  
 
   
..CASTLE LAKE (5,440 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 90 90 90 90 95 95 95 95100100100100100 95 90 90 75  
TEMPERATURE 37 38 40 41 41 42 44 43 42 43 46 44 41 40 40 39 35  
MIN/MAX TEMP 36 45 38 41  
WIND DIR SE SE SE SE S SE S S S S S S S SW W W SW  
WIND (MPH) 8 6 8 9 11 13 14 17 16 23 17 17 10 5 6 6 5  
WIND GUST (MPH) 19 21 25 29 25 42 27 27 16  
PRECIP PROB (%) 60 40 60 60 70 70 90 90100100100100100100100 60 60  
PRECIP TYPE R R R R R R R R R R R R R R R R R  
12 HOUR QPF 0.36 1.11 2.21 0.46  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 11 10 10 10 9 7 6 6 6  
 
   
..MT. EDDY BOWL (6,500 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 80 85 80 85 85 85 85 95100100100100 95 85 90 80  
TEMPERATURE 35 34 36 38 38 41 41 41 42 40 43 40 37 39 35 36 33  
MIN/MAX TEMP 34 44 33 40  
WIND DIR S S S S S S S S S S S S NW W W W SW  
WIND (MPH) 20 21 26 36 37 36 40 36 37 37 33 28 19 18 9 14 11  
WIND GUST (MPH) 33 36 43 57 61 62 70 64 66 66 57 49 31 29 24 19  
PRECIP PROB (%) 50 30 50 50 60 60 90 90100100100100100100100 60 60  
PRECIP TYPE S S R R R R R R R R R R R R S S S  
12 HOUR QPF 0.15 0.55 1.51 0.43  
12 HOUR SNOW 0.0 0.0 0.0 0.2  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 8 8 8 9 9 10 10 10 10 10 10 9 7 6 6 6  
 
   
..MT. ASHLAND (6,800 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV BK BK BK OV BK OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 55 50 65 70 70 70 75 85 85100100100 95 85 85 85  
TEMPERATURE 36 37 39 38 40 40 43 43 43 44 43 36 34 35 33 34 32  
MIN/MAX TEMP 36 44 30 37  
WIND DIR S S S S S S S S S SE S NW W W SW SW SW  
WIND (MPH) 24 21 24 42 44 34 35 44 36 36 29 19 14 12 10 13 12  
WIND GUST (MPH) 36 33 36 64 69 55 57 71 58 58 48 31 23 19 16 20 19  
PRECIP PROB (%) 30 10 10 5 20 20 60 60 90 90100100100 90 90 60 60  
PRECIP TYPE R R R R R R R R S S S S S  
12 HOUR QPF 0.00 0.27 1.21 0.24  
12 HOUR SNOW 0.0 0.0 0.3 1.6  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 7 7 8 8 9 10 10 10 10 10 8 7 6 6 6 6  
 
   
..MT. BAILEY (7000 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV BK SC SC BK BK BK BK OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 65 50 45 55 65 65 65 80 90100100100100 90 90 90  
TEMPERATURE 35 36 37 38 40 41 46 45 45 43 41 37 33 33 32 33 33  
MIN/MAX TEMP 36 47 32 33  
WIND DIR S S SE SE S S S S S SE SE W W SW W W SW  
WIND (MPH) 18 18 19 29 31 29 29 41 36 33 25 14 13 17 11 13 13  
WIND GUST (MPH) 27 27 29 47 51 48 48 66 58 52 40 24 23 26 17 20 20  
PRECIP PROB (%) 30 30 30 5 10 10 40 40100100100100100100100 70 70  
PRECIP TYPE S S R R R R R R S S S S S  
12 HOUR QPF 0.03 0.19 1.07 0.32  
12 HOUR SNOW 0.0 0.0 0.3 2.3  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 7 7 7 8 9 9 10 10 10 9 8 6 6 6 6 6  
 
   
..MT. MCLOUGHLIN (7000 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV BK BK BK BK BK BK OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 65 50 50 60 65 65 70 80 90100100100100 90 90 85  
TEMPERATURE 35 36 38 38 40 40 45 45 45 44 41 37 34 33 32 33 33  
MIN/MAX TEMP 36 46 32 34  
WIND DIR S S SE SE S S S S S SE SE W W W W W SW  
WIND (MPH) 19 19 21 27 29 31 31 42 36 34 27 17 13 17 11 13 13  
WIND GUST (MPH) 40 40 50 47 54 61 58 85 70 70 64 36 23 33 20 27 26  
PRECIP PROB (%) 30 30 30 5 10 10 40 40100100100100100100100 70 70  
PRECIP TYPE S S S R R R R R R S S S S S S  
12 HOUR QPF 0.02 0.15 1.09 0.35  
12 HOUR SNOW 0.0 0.0 0.3 2.1  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 7 7 8 8 9 9 10 10 10 9 8 7 6 6 6 6  
 
   
..CRATER LAKE RIM (ABOVE 6,500 FT)
 
 
DATE THURSDAY 10/21 FRIDAY 10/22  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV OV BK BK BK OV BK OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 80 70 55 60 65 70 65 75 80 95100100100100 90 90 85  
TEMPERATURE 36 35 37 38 39 38 44 44 45 44 42 38 34 33 32 33 33  
MIN/MAX TEMP 35 46 32 35  
WIND DIR S S S S S S S S S S S SW W SW SW W SW  
WIND (MPH) 19 13 26 25 26 28 33 41 34 33 29 20 17 20 12 14 16  
WIND GUST (MPH) 47 34 67 54 49 58 79107 85 86 73 48 29 51 29 36 41  
PRECIP PROB (%) 30 30 30 5 10 10 40 40100100100100100100100 70 70  
PRECIP TYPE S S R R R R R R S S S S S  
12 HOUR QPF 0.02 0.21 1.00 0.34  
12 HOUR SNOW 0.1 0.0 0.4 2.4  
12 HOUR ICE MM MM MM MM  
SNOW LEVEL (KFT) 7 7 7 8 8 9 9 10 10 10 10 8 7 6 6 6 6  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OR Page
The Nexlab CA Page Main Text Page