Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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169
FWUS45 KFGZ 100447
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
946 PM MST SUN AUG 9 2026


...AGASSIZ PEAK...

DATE                                        MONDAY 08/10/26                         TUESDAY 08/11/26
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER                  BK   BK   SC   BK   OV   OV   BK   OV   OV   BK   BK   BK   OV   OV   BK
CLOUD COVER (%)              60   60   40   55   85   85   65   75   70   70   55   55   85   85   55
TEMPERATURE                  51   51   50   51   57   55   50   49   49   49   48   48   54   55   52
MIN/MAX TEMP                           48                  60                  46                  58
WIND DIR                     NW   NW    N   NE   NE    W    W    W   NW    S   SW    W    W    W    W
WIND (MPH)                    8    8    6    9    4    5   11   11    9    9    6    9    4    5   11
WIND GUST (MPH)                                  10   11   18        14                  10   11   17
PRECIP PROB (%)              10   10    5    5   70   50   20   20   10   10    5    5   80   80   40
PRECIP TYPE                                       T    T    T    T                        R    R    T
6 HOUR QPF                 0.00      0.00      0.00      0.18      0.02      0.00      0.00      0.32
12 HOUR QPF                          0.00                0.18                0.02                0.32
 LOW END QPF                                             0.05                0.00                0.01
 HIGH END QPF                                            0.64                0.15                0.32
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)           15.3 15.3 15.1 15.2 15.6 15.7 15.5 15.2 15.1 15.1 15.1 15.2 15.5 15.7 15.1
SNOW RATIO (:1)               0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE                         WED 08/12/26        THU 08/13/26        FRI 08/14/26        SAT 08/15/26        SUN 08/16/26
TIME (LT)          23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        BK   OV   OV   BK   BK   BK   OV   BK   SC   BK   BK   SC   SC   BK   BK   BK   SC   SC   SC   BK
CLOUD COVER (%)    70   80   90   60   60   70   85   55   40   55   70   45   35   55   60   55   35   40   50   50
TEMPERATURE        46   45   48   48   44   43   46   47   43   40   46   49   43   41   48   51   44   43   51   53
MAX/MIN TEMP            44        52        41        49        39        51        40        53        41        55
WIND DIR            W    W    W    W    W   SW   SW    W    W    W   SW    W    W   SW    S   SW   SW   SW    S    W
WIND (MPH)         10   12    5   10   11   12    5   10    8    8    3    6    5    3    3    6    4    3    4    8
WIND GUST (MPH)              11   16             11   17              9                   9   12             10   13
PRECIP PROB (%)    30   30   90   50   40   50   80   30   20   20   60   20    5    5   30   10    0    5   20   10
PRECIP TYPE         R    R    R    T    R    R    T    T    T    T    T    T              T                   T    T
12 HOUR QPF           0.09      0.33
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 15.1 14.9 15.0 15.1 14.8 14.5 14.6 14.7 14.2 13.8 14.0 14.3 13.9 13.7 14.0 14.3 13.9 13.8 14.2 14.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    0


...INNER BASIN...

DATE                                        MONDAY 08/10/26                         TUESDAY 08/11/26
TIME (LT)          17   20   23   02   05   08   11   14   17   20   23   02   05   08   11   14   17
                   5P   8P   11P  2A   5A   8A   11A  2P   5P   8P   11P  2A   5A   8A   11A  2P   5P

CLOUD COVER                  BK   BK   SC   BK   OV   OV   OV   OV   OV   OV   BK   BK   OV   OV   BK
CLOUD COVER (%)              60   60   45   55   80   80   70   75   75   70   50   60   85   85   60
TEMPERATURE                  60   58   56   65   74   69   60   56   57   55   54   62   70   70   63
MIN/MAX TEMP                           54                  75                  52                  73
WIND DIR                     NW   NW   NW    N   NE    W    W    W   NW   SW    W    W    W    W    W
WIND (MPH)                    9    8    8    8    5    5   11   11    9    8    8    8    4    5   10
WIND GUST (MPH)                             13        11   19   18                  14   10   11   18
PRECIP PROB (%)              10   10   10   10   70   50   20   20   10   10    5    5   80   80   40
PRECIP TYPE                                       T    T    T    T                        R    R    T
6 HOUR QPF                 0.00      0.00      0.00      0.16      0.02      0.00      0.00      0.32
12 HOUR QPF                          0.00                0.16                0.02                0.32
 LOW END QPF                                             0.03                0.00                0.01
 HIGH END QPF                                            0.47                0.13                0.32
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)           15.3 15.3 15.1 15.2 15.6 15.7 15.5 15.3 15.2 15.1 15.1 15.2 15.5 15.7 15.1
SNOW RATIO (:1)               0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE                         WED 08/12/26        THU 08/13/26        FRI 08/14/26        SAT 08/15/26        SUN 08/16/26
TIME (LT)          23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17   23   05   11   17
                   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P   11P  5A   11A  5P

CLOUD COVER        BK   OV   OV   BK   BK   BK   OV   BK   SC   BK   BK   SC   SC   BK   BK   BK   SC   SC   SC   BK
CLOUD COVER (%)    70   75   90   60   60   65   85   60   40   55   70   45   35   55   55   55   35   40   45   50
TEMPERATURE        54   51   64   58   51   48   61   57   50   46   62   58   51   47   65   61   52   50   67   64
MAX/MIN TEMP            50        67        47        64        45        66        46        68        48        70
WIND DIR            W    W    W    W    W   SW   SW    W    W    W   SW    W   SW   SW    S   SW   SW   SW    S    W
WIND (MPH)         10   11    5    9   10   11    5    9    6    6    3    6    4    2    4    5    3    2    4    6
WIND GUST (MPH)         17        16   17   18   11   17                                      11             10   12
PRECIP PROB (%)    30   30   90   50   40   50   80   30   20   20   60   20    5    5   30   10    0    5   20   10
PRECIP TYPE         R    R    R    T    R    R    T    T    T    T    T    T              T                   T    T
12 HOUR QPF           0.09      0.33
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 15.1 14.9 15.0 15.1 14.8 14.5 14.6 14.7 14.2 13.8 14.0 14.3 14.0 13.7 14.0 14.3 13.9 13.8 14.2 14.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    0

$$

--- PRECIP TYPE CODES ---

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