133  
FWUS45 KGYX 242030  
AVGGYX  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE GRAY ME  
430 PM EDT FRI SEP 24 2021  
 
   
..PRESIDENTIAL RANGE FORECAST AREA\MOUNT WASHINGTON (6,288 FT)
 
 
DATE SATURDAY 09/25 SUNDAY 09/26  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV BK FW FW FW FW FW SC BK OV OV OV OV OV BK BK SC  
CLOUD COVER (%) 85 55 20 15 20 15 20 35 50 70 80 90 90 75 65 55 50  
TEMPERATURE 51 47 45 44 43 45 48 48 48 44 44 45 43 42 42 43 38  
MIN/MAX TEMP 40 49 41 45  
WIND CHILL  
WIND DIR S SW W W W S S S S S S S W N NW W W  
WIND (MPH) 27 25 20 18 14 12 11 13 13 17 17 18 18 17 18 21 28  
WIND GUST (MPH)  
PRECIP PROB (%) 80 60 20 10 0 0 0 10 30 50 50 60 60 60 60 60 60  
PRECIP TYPE R T R R R R R R R R R  
12 HOUR QPF 0.35 0.01 0.44 0.29  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
 
   
..FRANCONIA NOTCH/MT. LAFAYETTE (4000 FT)
 
 
DATE SATURDAY 09/25 SUNDAY 09/26  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV FW FW FW FW FW FW SC SC OV OV OV OV OV BK BK SC  
CLOUD COVER (%) 80 20 15 15 20 15 15 30 45 70 80 90 85 75 65 60 50  
TEMPERATURE 57 52 49 48 47 51 57 59 56 51 51 50 50 51 53 54 50  
MIN/MAX TEMP 45 61 49 55  
WIND CHILL  
WIND DIR S W W W NW SW S S S S S SW N N NW W W  
WIND (MPH) 14 12 10 9 6 5 6 5 5 5 6 6 5 6 9 10 11  
WIND GUST (MPH)  
PRECIP PROB (%) 70 40 10 0 0 0 0 5 10 30 30 50 50 50 50 50 50  
PRECIP TYPE R R R R R R R R R R  
12 HOUR QPF 0.20 0.00 0.21 0.15  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
 
   
..TUCKERMAN AND HUNTINGTON RAVINES (4500FT)
 
 
DATE SATURDAY 09/25 SUNDAY 09/26  
TIME (LT) 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
 
CLOUD COVER OV BK FW FW FW FW FW SC SC OV OV OV OV OV BK BK SC  
CLOUD COVER (%) 80 65 25 20 20 10 20 35 45 75 80 85 85 70 60 50 45  
TEMPERATURE 59 55 52 50 49 52 58 61 57 54 55 55 54 55 58 56 50  
MIN/MAX TEMP 46 64 51 59  
WIND CHILL  
WIND DIR S SW W W W S S S S S S SW W N NW W W  
WIND (MPH) 21 18 16 12 9 8 8 4 4 5 5 4 5 5 8 9 14  
WIND GUST (MPH)  
PRECIP PROB (%) 80 60 20 10 0 0 0 10 30 50 50 70 70 70 70 60 60  
PRECIP TYPE R T R R R R R R R R R  
12 HOUR QPF 0.38 0.01 0.49 0.31  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
 

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