780  
FWUS45 KGYX 160830  
AVGGYX  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE GRAY ME  
430 AM EDT FRI APR 16 2021  
 
   
..PRESIDENTIAL RANGE FORECAST AREA\MOUNT WASHINGTON (6,288 FT)
 
 
DATE FRIDAY 04/16 SATURDAY 04/17  
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 95 95 95 95 90 90 85 85 85 75 75 80 70 70 75  
TEMPERATURE 20 19 20 21 21 21 21 21 20 21 22 23 22 23 22 22 24  
MAX/MIN TEMP 21 20 23 17  
WIND CHILL 1 -2 -1 0 0 1 2 3 1 4 6 7 5 4 3 4 6  
WIND DIR E E E E E E E NE NE NE NE N N N NW NW NW  
WIND (MPH) 29 36 42 40 42 37 32 29 29 25 24 23 26 32 32 32 32  
WIND GUST (MPH)  
PRECIP PROB (%) 70 90 90100100100100 80 60 30 20 10 10 10 10 5 5  
PRECIP TYPE S S S S S S S S S S  
12 HOUR QPF 0.64 0.30 0.05 0.00  
12 HOUR SNOW 9.4 3.8 0.9 0.1  
 
   
..FRANCONIA NOTCH/MT. LAFAYETTE (4000 FT)
 
 
DATE FRIDAY 04/16 SATURDAY 04/17  
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV  
CLOUD COVER (%) 95 95 95 95 95 95 90 85 80 80 85 80 80 80 75 75 75  
TEMPERATURE 26 26 26 27 27 28 27 27 27 27 30 32 32 32 31 30 31  
MAX/MIN TEMP 28 27 33 29  
WIND CHILL 13 12 11 12 12 15 15 16 15 16 19 19 18  
WIND DIR E E E E E E E NE NE NE N N N N N NW NW  
WIND (MPH) 17 20 24 24 24 20 16 13 14 13 13 13 14 18 18 18 16  
WIND GUST (MPH)  
PRECIP PROB (%) 90 90100100100100 90 70 50 20 10 10 5 10 10 5 5  
PRECIP TYPE S S S S S S S S S  
12 HOUR QPF 0.40 0.12 0.01 0.00  
12 HOUR SNOW 5.0 1.3 0.4 0.1  
 
   
..TUCKERMAN AND HUNTINGTON RAVINES (4500FT)
 
 
DATE FRIDAY 04/16 SATURDAY 04/17  
TIME (LT) 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
 
CLOUD COVER OV OV OV OV OV OV OV OV OV OV OV OV OV OV BK BK OV  
CLOUD COVER (%) 95 95 95 95 95 95 95 90 85 85 80 75 75 75 70 70 70  
TEMPERATURE 27 25 24 26 27 27 28 27 28 30 32 34 33 35 34 33 33  
MAX/MIN TEMP 27 27 35 28  
WIND CHILL 14 11 8 11 12 13 15 14 16 19  
WIND DIR E E E E E E NE NE NE NE N N N N NW NW NW  
WIND (MPH) 17 20 24 24 24 21 18 17 17 14 13 12 13 17 17 16 13  
WIND GUST (MPH)  
PRECIP PROB (%) 70 90 90100100100100 80 60 30 20 10 10 10 10 5 5  
PRECIP TYPE S S S S S S S S S S  
12 HOUR QPF 0.65 0.30 0.04 0.00  
12 HOUR SNOW 8.8 3.6 0.7 0.1  
 

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