Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
852
FWUS45 KFGZ 191647
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
945 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                  CL   CL   CL   FW   FW   FW   FW   FW   SC   BK   OV   OV   BK   BK   BK
CLOUD COVER (%)               5    5    5   10    5    5   10   15   30   65   70   75   50   65   60
TEMPERATURE                  50   53   52   44   41   41   39   43   49   52   51   44   42   42   41
MAX/MIN TEMP                           54                  39                  54                  41
WIND DIR                     SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW
WIND (MPH)                   10   11   10    9    8    6    5    3    5    6    5    5    5    4    4
WIND GUST (MPH)              18   17   16
PRECIP PROB (%)               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)           11.7 12.2 12.5 11.9 11.5 11.5 11.2 11.1 11.6 12.1 12.3 12.2 12.2 12.1 11.8
SNOW RATIO (:1)               1    1    1    0    0    1    1    1    1    1    1    1    1    1    1

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   35   20   30   35   25   20   35   45   50   50   60   55   65   45   50   70   40
TEMPERATURE        49   49   42   40   48   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   SW    S    S   SW    S   SE   SE    E   SE   NE    E    E   SE    S    S   SW
WIND (MPH)         10    9    5    6   14   10    4    2    5    5    4    2    9    5    4    3    6    4
WIND GUST (MPH)    18   14             26   16             11                  16                  12
PRECIP PROB (%)     0    5   10   20   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 12.5 12.5 12.6 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)     1    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                  CL   CL   CL   FW   FW   FW   FW   FW   SC   BK   OV   OV   SC   BK   BK
CLOUD COVER (%)               0    5    5   10    5    5   10   15   25   65   70   75   50   60   55
TEMPERATURE                  63   63   59   50   46   45   43   51   63   63   58   50   48   46   45
MAX/MIN TEMP                           66                  43                  65                  45
WIND DIR                     SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW    W    W
WIND (MPH)                    9   10    9    9    8    6    5    4    4    6    4    5    4    4    3
WIND GUST (MPH)              17   17   16                            10
PRECIP PROB (%)               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)           11.7 12.2 12.5 11.9 11.5 11.5 11.2 11.1 11.6 12.1 12.3 12.2 12.2 12.1 11.8
SNOW RATIO (:1)               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   40   20   25   35   25   20   35   45   50   45   55   50   65   45   50   70   45
TEMPERATURE        60   57   47   44   61   55   45   44   59   57   48   46   58   55   47   45   57   55
MIN/MAX TEMP            63        44        62        43        63        45        61        44        61
WIND DIR            S    S   SW   SW    S   SW    S    S   SE    E    S   NE    E    E   SE    S    S   SW
WIND (MPH)          9    8    4    5   13    9    3    2    5    4    3    2    9    5    3    2    6    4
WIND GUST (MPH)    17   14             26   16             11                  16                  13
PRECIP PROB (%)     0    5   10   20   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 12.9 12.5 12.5 12.6 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