Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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036
FWUS45 KFGZ 160635
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1134 PM MST TUE SEP 15 2026


...AGASSIZ PEAK...

DATE                    WEDNESDAY 09/16/26                      THURSDAY 09/17/26
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        OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK   BK   BK   SC   FW   FW   FW
CLOUD COVER (%)    85   85   90   90   80   95   85   95   85   55   65   65   65   35   20   20   20
TEMPERATURE        43   43   46   45   45   44   43   43   42   43   45   48   47   43   42   41   40
MAX/MIN TEMP                           47                  42                  50                  40
WIND DIR            S   SW    S    S    S    S    S    S   SW   SW    S    S   SW   SW    S    S   SW
WIND (MPH)         12    9    9    9    6    2    5    6    5    4    5    8    6    3    5    6    9
WIND GUST (MPH)    18   14   14   14
PRECIP PROB (%)    70   70   80   80   60   60   60   60   30   30   50   50   10   10    0    0    0
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R    T    T
6 HOUR QPF                 0.09      0.14      0.04      0.05      0.00      0.03      0.00      0.00
12 HOUR QPF                          0.23                0.09                0.03                0.00
 LOW END QPF                           MM                  MM                  MM                  MM
 HIGH END QPF                          MM                  MM                  MM                  MM
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                          MM                  MM                  MM                  MM
 HIGH END SNOW                         MM                  MM                  MM                  MM
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 14.3 14.5 14.5 14.4 14.5 14.5 14.5 14.4 14.2 13.8 13.8 13.7 13.9 13.1 12.6 12.5 12.4
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE               FRI 09/18/26        SAT 09/19/26        SUN 09/20/26        MON 09/21/26        TUE 09/22/26
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        FW   FW   FW   FW   FW   FW   FW   FW   SC   SC   SC   SC   SC   SC   SC   SC   BK   SC
CLOUD COVER (%)     5   15   10   10   20   15   10   20   25   45   30   40   35   25   30   25   55   40
TEMPERATURE        50   52   42   39   52   50   41   39   50   50   41   40   48   48   39   38   46   46
MIN/MAX TEMP            53        39        53        39        52        40        51        38        49
WIND DIR           SW   SW   SW   SW   SW   SW   SW    W    S   SW   SW   SW    S   SW   SW   SE   SE   SE
WIND (MPH)          9    9    8    6    6    6    5    4    4    5    4    3    6    5    4    4    6    5
WIND GUST (MPH)         14                                 10                  13                  12
PRECIP PROB (%)     5    5    0    0   10    5    0    0   10    5    5    5   20   20   20   20   40   20
PRECIP TYPE                             T                                       T    T    R    R    T    T
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 12.9 13.4 12.4 12.0 12.3 12.5 12.1 11.8 12.0 12.4 12.2 12.0 12.2 12.4 12.1 12.1 12.3 12.6
SNOW RATIO (:1)     0    0    0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1


...INNER BASIN...

DATE                    WEDNESDAY 09/16/26                      THURSDAY 09/17/26
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        OV   OV   OV   OV   OV   OV   OV   OV   OV   BK   BK   BK   BK   SC   FW   FW   FW
CLOUD COVER (%)    85   85   90   90   75   95   85   95   80   50   65   65   65   35   15   20   20
TEMPERATURE        46   51   58   54   50   48   46   45   45   50   61   59   58   50   46   45   43
MAX/MIN TEMP                           58                  45                  62                  43
WIND DIR           SW   SW    S    S    S    S    S    S   SW   SW    S    S   SW   SW    S   SW   SW
WIND (MPH)         11    8    9    9    6    2    5    5    5    3    5    6    6    3    4    6    8
WIND GUST (MPH)         13
PRECIP PROB (%)    70   70   80   80   60   60   50   50   30   30   50   50   10   10    0    0    0
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R    T    T
6 HOUR QPF                 0.08      0.14      0.04      0.05      0.00      0.03      0.00      0.00
12 HOUR QPF                          0.22                0.09                0.03                0.00
 LOW END QPF                           MM                  MM                  MM                  MM
 HIGH END QPF                          MM                  MM                  MM                  MM
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                          MM                  MM                  MM                  MM
 HIGH END SNOW                         MM                  MM                  MM                  MM
6 HOUR ICE                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
SNOW LEVEL (KFT) 14.3 14.5 14.5 14.5 14.5 14.5 14.5 14.4 14.2 13.8 13.9 13.8 14.0 13.0 12.6 12.5 12.4
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE               FRI 09/18/26        SAT 09/19/26        SUN 09/20/26        MON 09/21/26        TUE 09/22/26
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        CL   FW   FW   FW   FW   FW   FW   FW   FW   SC   SC   SC   SC   SC   SC   FW   BK   SC
CLOUD COVER (%)     5   15    5   10   20   15   10   15   25   45   30   40   35   30   30   25   55   40
TEMPERATURE        64   60   46   42   65   58   46   43   62   58   46   45   61   56   44   43   58   54
MIN/MAX TEMP            65        42        65        42        64        43        62        41        61
WIND DIR           SW   SW   SW   SW   SW   SW   SW    W    S   SW   SW   SW    S   SW   SW    S    E   SE
WIND (MPH)          9    9    9    6    6    5    5    3    4    4    3    2    6    4    3    3    6    4
WIND GUST (MPH)         14                                 10                  13                  12
PRECIP PROB (%)     5    5    0    0   10    5    0    0   10    5    5    5   20   20   20   20   40   20
PRECIP TYPE                             T                                       T    T    R    R    T    T
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 12.9 13.4 12.4 12.0 12.3 12.5 12.1 11.8 12.0 12.4 12.2 12.0 12.2 12.4 12.1 12.1 12.3 12.6
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