834  
FWUS46 KPQR 171101  
AVGPQR  
FWUS46 KPQR 171101  
AVGPQR  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE PORTLAND OR  
401 AM PDT WED AUG 17 2022  
 
   
..MOUNT ST. HELENS
 
 
DATE WEDNESDAY 08/17 THURSDAY 08/18  
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER CL CL CL FW FW SC BK OV OV OV OV OV BK BK SC SC SC  
CLOUD COVER (%) 0 0 5 10 15 50 65 70 90 90 85 80 70 60 45 50 45  
TEMPERATURE 63 71 77 79 78 71 70 70 70 72 75 76 73 69 66 63 60  
MAX/MIN TEMP 80 68 77 58  
WIND DIR E E SE SE S N NE E W S S W W NW NW W W  
WIND (MPH) 5 6 6 5 6 4 6 8 4 8 9 8 9 9 8 4 5  
WIND GUST (MPH) 13 13 14 10  
PRECIP PROB (%) 0 0 0 0 0 10 20 20 20 20 20 20 20 20 20 20 20  
PRECIP TYPE R R R R R R R R R R  
12 HOUR QPF 0.00 0.01 0.02 0.02  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
LOW END SNOW MM MM MM MM  
HIGH END SNOW MM MM MM MM  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 12.0 12.0 12.9 12.9 13.0 13.0 13.3 13.4 13.4 13.2 13.0 13.0 13.0 13.0 12.8 12.8 12.7  
 
   
..MOUNT HOOD
 
 
DATE WEDNESDAY 08/17 THURSDAY 08/18  
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
6A 9A 12 3P 6P 9P 12 3A 6A 9A 12 3P 6P 9P 12 3A 6A  
 
CLOUD COVER CL CL FW SC BK OV OV OV OV OV OV OV OV OV SC BK SC  
CLOUD COVER (%) 0 5 15 35 55 75 90 80 75 80 85 90 80 75 50 55 45  
TEMPERATURE 60 68 72 73 71 67 67 66 65 67 70 69 67 65 63 60 58  
MAX/MIN TEMP 74 64 71 56  
WIND DIR SE E E NE NE NE SE SE S SE S NW NW W W NW W  
WIND (MPH) 6 8 8 6 5 8 9 9 5 10 10 9 10 11 9 6 12  
WIND GUST (MPH) 13 13 16 11 19 14 18  
PRECIP PROB (%) 0 0 0 10 20 20 20 20 20 20 20 20 20 20 20 20 20  
PRECIP TYPE R R R R R R R R T T R R R  
12 HOUR QPF 0.00 0.02 0.02 0.02  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
LOW END SNOW MM MM MM MM  
HIGH END SNOW MM MM MM MM  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 13.0 12.9 13.0 13.0 13.2 13.2 13.3 13.3 13.0 13.0 12.6 12.9 13.0 12.6 12.5 12.5 12.7  
 

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