Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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123
FWUS45 KFGZ 211552
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
851 AM MST FRI AUG 21 2026


...AGASSIZ PEAK...

DATE                    FRIDAY 08/21/26                         SATURDAY 08/22/26
TIME (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A

CLOUD COVER                  BK   BK   SC   SC   FW   FW   SC   FW   SC   BK   SC   SC   FW   SC   BK
CLOUD COVER (%)              60   60   35   30   10   10   30   10   50   60   40   35   20   30   55
TEMPERATURE                  57   59   58   50   46   43   41   47   55   58   58   50   48   46   44
MAX/MIN TEMP                           62                  41                  63                  44
WIND DIR                      S   SW    W    W    W    W   SW   SW   SW    W    W    W    W    W    W
WIND (MPH)                    5    6    8    6    5    4    4    3    4    6    6    9    6    5    5
WIND GUST (MPH)
PRECIP PROB (%)          5   40   40   10    5    0    0    0    0   30   30    5    5    0    0    5
PRECIP TYPE                   T    T    T                             T    T
6 HOUR QPF                 0.00      0.05      0.00      0.00      0.00      0.02      0.00      0.00
12 HOUR QPF                          0.05                0.00                0.02                0.00
 LOW END QPF                                             0.00                0.00                0.00
 HIGH END QPF                                            0.02                0.14                0.02
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.0                 0.0                 0.0                 0.0
 LOW END SNOW                                             0.0                 0.0                 0.0
 HIGH END SNOW                                            0.0                 0.0                 0.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)           14.9 15.4 15.3 14.9 14.9 14.5 14.2 14.2 14.8 15.0 15.0 14.7 14.7 14.6 14.6
SNOW RATIO (:1)               0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE               SUN 08/23/26        MON 08/24/26        TUE 08/25/26        WED 08/26/26        THU 08/27/26
TIME (LT)          11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        BK   BK   BK   SC   OV   BK   SC   SC   BK   SC   FW   FW   SC   SC   FW   FW   SC   BK
CLOUD COVER (%)    70   60   50   35   70   60   40   30   50   50   10   15   30   40   15   20   35   50
TEMPERATURE        55   55   45   40   54   56   49   48   59   58   51   48   60   60   51   48   60   60
MIN/MAX TEMP            61        40        61        47        61        48        63        48        63
WIND DIR           SW    W    W    W    W    W   NW    W    S    W    W    W   SW    W    W    W    W    W
WIND (MPH)          5    8    4    5    4    4    4    3    3    4    4    5    4    9    9    6    4   11
WIND GUST (MPH)                                             9                  10                  13   17
PRECIP PROB (%)    60   10    5    5   60   20    0    0   30    0    0    0   20    5    0    0   20    5
PRECIP TYPE         R                   R    T              T                   T                   T
12 HOUR QPF           0.02      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 14.7 14.7 14.6 14.4 14.6 14.9 14.6 14.4 14.6 14.8 14.5 14.3 14.3 14.6 14.3 14.0 14.2 14.6
SNOW RATIO (:1)     0    0    0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1


...INNER BASIN...

DATE                    FRIDAY 08/21/26                         SATURDAY 08/22/26
TIME (LT)          05   08   11   14   17   20   23   02   05   08   11   14   17   20   23   02   05
                   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A

CLOUD COVER                  BK   BK   SC   SC   FW   FW   SC   FW   BK   OV   SC   SC   FW   SC   BK
CLOUD COVER (%)              60   60   40   35   10   10   25   10   50   70   45   35   20   30   55
TEMPERATURE                  72   70   65   56   54   49   47   62   74   71   66   58   55   51   49
MAX/MIN TEMP                           76                  46                  76                  48
WIND DIR                      S   SW    W    W    W    W   SW   SW   SW    W   SW    W    W    W    W
WIND (MPH)                    5    6    8    6    5    4    3    2    4    5    6    8    5    5    5
WIND GUST (MPH)
PRECIP PROB (%)          5   40   50   10    5    0    0    0    0   30   30    5    5    0    0    5
PRECIP TYPE                   T    T    T                             T    T
6 HOUR QPF                 0.00      0.05      0.00      0.00      0.00      0.02      0.00      0.00
12 HOUR QPF                          0.05                0.00                0.02                0.00
 LOW END QPF                                             0.00                0.00                0.00
 HIGH END QPF                                            0.02                0.12                0.02
6 HOUR SNOW                 0.0       0.0       0.0       0.0       0.0       0.0       0.0       0.0
12 HOUR SNOW                          0.0                 0.0                 0.0                 0.0
 LOW END SNOW                                             0.0                 0.0                 0.0
 HIGH END SNOW                                            0.0                 0.0                 0.0
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT)           14.9 15.4 15.3 14.9 14.9 14.6 14.2 14.2 14.8 15.1 15.1 14.7 14.7 14.6 14.6
SNOW RATIO (:1)               0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE               SUN 08/23/26        MON 08/24/26        TUE 08/25/26        WED 08/26/26        THU 08/27/26
TIME (LT)          11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        OV   BK   BK   SC   OV   BK   SC   SC   BK   SC   FW   FW   SC   SC   FW   FW   SC   BK
CLOUD COVER (%)    70   60   55   35   70   60   40   30   50   50   10   15   30   40   15   20   35   50
TEMPERATURE        72   63   52   45   68   67   57   54   73   69   59   54   74   71   60   54   74   71
MIN/MAX TEMP            74        44        74        51        75        52        76        52        76
WIND DIR           SW   SW    W    W    W    W    W    W    S    W    W    W   SW    W    W    W    W    W
WIND (MPH)          5    6    3    5    4    4    3    3    3    4    4    4    4    8    8    5    4   10
WIND GUST (MPH)                                             9                       13             12   16
PRECIP PROB (%)    60   10    5    5   60   20    0    0   30    0    0    0   20    5    0    0   20    5
PRECIP TYPE         R    T              R    T              T                   T                   T
12 HOUR QPF           0.02      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 14.7 14.7 14.6 14.4 14.6 14.9 14.6 14.4 14.6 14.9 14.5 14.3 14.3 14.6 14.3 14.0 14.2 14.6
SNOW RATIO (:1)     0    0    0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1

$$

--- PRECIP TYPE CODES ---

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