Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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814
FWUS45 KFGZ 291005
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 AM MST TUE SEP 29 2026


...AGASSIZ PEAK...

DATE                    TUESDAY 09/29/26                        WEDNESDAY 09/30/26
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   OV   OV   BK   SC   FW   FW   FW   FW
CLOUD COVER (%)    75   75   95   95  100  100   95   95   95   95   80   70   35   20   10   10   10
TEMPERATURE        36   37   38   40   39   39   39   40   39   37   40   42   41   37   37   37   37
MAX/MIN TEMP                           40                  36                  43                  37
WIND DIR            S    S    E    E    E   NE    N    N   NW    W   NW   NW   NW    W   NW   NW   NW
WIND (MPH)          6    6   10   21   20   28   24   14   27   14   16   13   11   10   10   12   11
WIND GUST (MPH)              16   33   32   42   36   23   41   24   24   20   17   16        18   17
PRECIP PROB (%)    60   50   60   90   90   80   90   80   60   50   30   10    0    0    0    0    0
PRECIP TYPE         R    S    S    S    S    S    S    S    S    R    R    T
6 HOUR QPF                 0.11      0.35      0.49      0.41      0.05      0.01      0.00      0.00
12 HOUR QPF                          0.46                0.90                0.06                0.00
 LOW END QPF                         0.05                0.23                0.00                0.00
 HIGH END QPF                        1.20                1.55                0.92                0.00
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                 0.0
 HIGH END SNOW                        0.2                 2.2                 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) 11.6 11.2 11.3 11.6 11.5 11.2 11.2 10.9 11.4 12.2 12.7 12.8 12.5 12.0 12.0 11.7 11.5
SNOW RATIO (:1)     4    5    5    4    5    5    5    5    4    4    2    2    2    1    1    0    0

DATE               THU 10/01/26        FRI 10/02/26        SAT 10/03/26        SUN 10/04/26        MON 10/05/26
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   CL   CL   FW   CL   CL   FW   FW   FW   FW   CL   FW   CL   FW   FW   FW   FW   SC
CLOUD COVER (%)     5    5    5   10    5    5    5   15   10   10    5   10    5    5   10   20   15   30
TEMPERATURE        46   45   37   35   45   46   38   35   46   47   39   36   45   46   38   35   44   46
MIN/MAX TEMP            48        35        49        35        49        35        48        34        48
WIND DIR           NE   NE    E    E    E    E   SE    E    E    E   NE    E    E    E   SE    E    E    E
WIND (MPH)          5    8    6    6    6    6    4    4    9    9   16   16   12    9    5    5   10    6
WIND GUST (MPH)                                            14        24   24   19                  17
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    0
PRECIP TYPE
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 11.6 12.2 12.2 11.9 12.2 12.4 12.2 12.0 12.2 12.2 12.5 11.8 12.0 12.6 12.7 12.4 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                    TUESDAY 09/29/26                        WEDNESDAY 09/30/26
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   OV   OV   BK   SC   FW   FW   FW   FW
CLOUD COVER (%)    75   75   95   95  100  100  100  100   95   95   80   70   35   15    5   10   10
TEMPERATURE        42   44   47   46   44   43   43   43   43   45   51   52   51   43   43   42   41
MAX/MIN TEMP                           47                  40                  54                  41
WIND DIR            S    S    E    E    E    E    N    N   NW   NW   NW   NW   NW    W   NW   NW   NW
WIND (MPH)          5    5   10   11   11    9    8   11   16   14   14   12   10    9    9    9    9
WIND GUST (MPH)              16   17   17                  23   24   24   19   16   14
PRECIP PROB (%)    60   50   60   90   90   80   90   80   60   50   30   10    0    0    0    0    0
PRECIP TYPE         R    R    R    R    R    R    R    R    R    R    R    T
6 HOUR QPF                 0.10      0.36      0.49      0.39      0.05      0.01      0.00      0.00
12 HOUR QPF                          0.46                0.88                0.06                0.00
 LOW END QPF                         0.07                0.24                0.00                0.00
 HIGH END QPF                        1.25                1.63                0.87                0.00
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                 0.0
 HIGH END SNOW                        0.0                 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) 11.6 11.2 11.3 11.7 11.5 11.2 11.2 10.9 11.4 12.2 12.7 12.8 12.4 12.0 12.0 11.7 11.5
SNOW RATIO (:1)     2    2    3    3    3    3    3    4    3    2    1    1    1    0    0    0    0

DATE               THU 10/01/26        FRI 10/02/26        SAT 10/03/26        SUN 10/04/26        MON 10/05/26
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   CL   CL   FW   CL   CL   FW   FW   FW   FW   CL   FW   CL   FW   FW   FW   FW   SC
CLOUD COVER (%)     5    5    5   10    5    5    5   15    5   10    0   10    5   10   10   15   15   25
TEMPERATURE        58   54   44   39   57   54   44   40   58   55   45   40   57   54   44   40   57   54
MIN/MAX TEMP            59        39        60        39        60        39        60        39        59
WIND DIR           NE   NE    E    E    E    E    S    N    E    E   NE    E    E    E   SE   SE    E    E
WIND (MPH)          6    8    6    5    6    6    3    3    9    6    4    4   12    8    4    4   10    6
WIND GUST (MPH)                                            16                  19   13             17
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    0
PRECIP TYPE
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 11.6 12.2 12.2 11.9 12.1 12.4 12.2 12.0 12.1 12.2 12.5 11.8 12.0 12.6 12.7 12.4 12.2 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