Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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067
FWUS45 KFGZ 190710
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1209 AM MST SAT SEP 19 2026


...AGASSIZ PEAK...

DATE                    SATURDAY 09/19/26                       SUNDAY 09/20/26
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        FW   CL   CL   CL   FW   FW   FW   FW   FW   FW   SC   SC   BK   BK   BK   BK   BK
CLOUD COVER (%)    10    5    5    5    5   15   10   10   10   25   25   45   55   65   60   65   60
TEMPERATURE        41   45   50   53   52   44   41   40   39   43   49   52   51   44   42   40   39
MAX/MIN TEMP                           54                  39                  53                  39
WIND DIR           SW   SW   SW   SW   SW   SW   SW    S   SW   SW   SW   SW   SW   SW   SW   SW   SW
WIND (MPH)          6    5    9   12   12    9    8    6    5    4    5    8    5    5    5    4    4
WIND GUST (MPH)              16   18   19
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12 HOUR QPF                          0.00                0.00                0.00                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) 11.1 11.0 11.6 12.1 12.2 11.7 11.5 11.4 11.1 11.2 11.7 12.1 12.4 12.2 12.4 12.1 11.9
SNOW RATIO (:1)     0    1    1    1    1    0    0    1    1    1    1    0    1    0    0    0    0

DATE               MON 09/21/26        TUE 09/22/26        WED 09/23/26        THU 09/24/26        FRI 09/25/26
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        SC   SC   FW   SC   SC   FW   FW   SC   SC   SC   SC   BK   BK   BK   SC   BK   BK   SC
CLOUD COVER (%)    50   45   20   45   35   25   20   35   45   50   50   60   55   65   45   50   70   40
TEMPERATURE        46   51   42   40   47   49   40   39   47   49   42   41   46   47   42   41   45   47
MIN/MAX TEMP            52        40        51        39        51        41        49        40        49
WIND DIR            S    S    S    S    S   SW    S   SE   SE    E   SE   NE    E    E   SE    S    S   SW
WIND (MPH)          9    9    5    5   13   10    4    2    5    5    4    2    9    5    4    3    6    4
WIND GUST (MPH)    16                  24   16             11                  16                  12
PRECIP PROB (%)     0    5   10   30   20   10    5    5   30   20   10   10   30   40   30   30   60   30
PRECIP TYPE                        R    T    T              R    T              T    R    R    R    R    R
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 12.7 12.8 12.4 12.5 12.4 12.5 12.3 12.3 12.6 13.0 12.8 12.8 12.9 13.3 13.2 13.1 13.2 13.4
SNOW RATIO (:1)     0    0    0    1    1    1    1    1    1    1    1    1    1    1    1    1    1    1


...INNER BASIN...

DATE                    SATURDAY 09/19/26                       SUNDAY 09/20/26
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        FW   CL   CL   CL   FW   FW   FW   FW   FW   FW   FW   SC   BK   BK   BK   BK   BK
CLOUD COVER (%)    10    5    0    5    5   10   10   10   10   20   20   50   60   60   55   65   60
TEMPERATURE        45   52   63   64   60   51   46   44   43   51   62   63   59   51   49   47   46
MAX/MIN TEMP                           66                  42                  65                  46
WIND DIR           SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW
WIND (MPH)          5    4    8   11   11    8    8    6    5    4    4    6    5    4    4    4    3
WIND GUST (MPH)              14   18   17                            10   12
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0
PRECIP TYPE
6 HOUR QPF                 0.00      0.00      0.00      0.00      0.00      0.00      0.00      0.00
12 HOUR QPF                          0.00                0.00                0.00                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) 11.1 11.0 11.6 12.1 12.2 11.7 11.5 11.5 11.1 11.2 11.7 12.2 12.4 12.3 12.5 12.0 11.9
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0    0

DATE               MON 09/21/26        TUE 09/22/26        WED 09/23/26        THU 09/24/26        FRI 09/25/26
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        SC   SC   FW   SC   SC   FW   FW   SC   SC   SC   SC   BK   BK   BK   SC   BK   BK   SC
CLOUD COVER (%)    50   45   20   45   35   25   20   35   45   50   45   55   50   65   45   50   70   45
TEMPERATURE        61   59   47   44   60   57   45   44   59   57   48   46   58   55   47   45   57   55
MIN/MAX TEMP            64        44        63        43        63        45        61        44        61
WIND DIR            S    S    S    S    S   SW    S    S   SE    E    S   NE    E    E   SE    S    S   SW
WIND (MPH)          8    8    5    4   12    9    3    2    5    4    3    2    9    5    3    2    6    4
WIND GUST (MPH)    14   13             23   16             11                  16                  13
PRECIP PROB (%)     5    5   10   30   20   10    5    5   30   20   10   10   30   40   30   30   60   30
PRECIP TYPE                        R    T    T              R    T              T    R    R    R    R    R
12 HOUR QPF           0.00      0.00
12 HOUR SNOW           0.0       0.0
12 HOUR ICE           0.00      0.00
SNOW LEVEL (KFT) 12.7 12.8 12.3 12.5 12.4 12.5 12.3 12.3 12.6 13.0 12.8 12.8 12.9 13.3 13.2 13.1 13.2 13.4
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