138  
FWUS46 KPQR 091201  
AVGPQR  
FWUS46 KPQR 091201  
AVGPQR  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE PORTLAND OR  
401 AM PST FRI DEC 9 2022  
 
   
..MOUNT ST. HELENS
 
 
DATE FRIDAY 12/09/22 SATURDAY 12/10/22  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 100 100 100 100 100 100 100 90 90 90 90 85 80 85  
TEMPERATURE 21 22 23 23 24 26 28 27 28 28 28 26 27 27 26 27  
MAX/MIN TEMP 24 24 28 25  
WIND DIR SW S S SE SE S S S S S S S S S S S  
WIND (MPH) 14 17 21 27 26 23 24 23 19 17 14 13 11 9 8 4  
WIND GUST (MPH) 31 39 37 48 49 50 50 49 42 36 31 29 20 17 13  
PRECIP PROB (%) 50 50 70 100 100 100 100 100 100 100 90 90 70 70 30 30 40  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.96 2.49 1.75 0.37  
12 HOUR SNOW 8.9 15.3 21.2 4.2  
LOW END SNOW 6.5 9.1 8.2 2.2  
HIGH END SNOW 11.1 19.6 14.4 4.3  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 1.4 1.7 2.3 2.3 2.7 3.4 3.6 3.8 3.9 4.0 3.7 3.7 3.4 2.5 2.3 2.6  
 
   
..MOUNT HOOD
 
 
DATE FRIDAY 12/09/22 SATURDAY 12/10/22  
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04  
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 85 95 100 100 100 100 100 95 95 90 90 80 90 80 80 80  
TEMPERATURE 16 17 19 19 21 23 24 23 23 23 24 23 23 22 22 23  
MAX/MIN TEMP 21 20 25 20  
WIND DIR SW SW S S S S S S S S S SW SW SW SW W  
WIND (MPH) 23 21 23 26 31 28 29 26 24 21 18 17 13 11 10 8  
WIND GUST (MPH) 39 42 37 44 50 55 56 50 47 41 35 33 27 19 16  
PRECIP PROB (%) 40 40 50 100 100 100 100 100 100 90 80 80 80 80 40 40 50  
PRECIP TYPE S S S S S S S S S S S S S S S S  
12 HOUR QPF 0.60 2.07 1.04 0.27  
12 HOUR SNOW 5.0 12.5 15.0 2.9  
LOW END SNOW 3.0 6.1 4.1 0.9  
HIGH END SNOW 6.1 11.5 7.3 3.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 1.4 1.9 2.6 1.7 2.2 2.8 3.5 3.6 3.8 3.8 4.0 3.7 3.4 2.8 2.6 2.7  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
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