Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ

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630
FWUS45 KFGZ 131021
AVGFGZ

AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
318 AM MST WED MAY 13 2026


...AGASSIZ PEAK...

DATE                    WEDNESDAY 05/13/26                      THURSDAY 05/14/26
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   SC   SC   SC   SC   SC   BK   SC   CL   CL   CL   CL   CL   FW   FW   FW   FW
CLOUD COVER (%)    75   50   35   30   25   40   55   25    5    0    0    0    5    5   10   10    5
TEMPERATURE        42   48   45   51   47   43   37   34   32   41   43   48   48   42   38   37   34
MAX/MIN TEMP                           51                  32                  49                  34
WIND DIR            S    S    S    S   SW   SW   SW    W    W    W    W    W    W    W    W    W    W
WIND (MPH)         11   16   24   28   25   16   11    9   12    8    8   10   11   11   13   10    8
WIND GUST (MPH)              36   42   37
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    5    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                         0.00                0.00                0.00                0.00
 HIGH END QPF                        0.01                0.00                0.00                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) 12.2 11.9 12.0 11.7 10.9 10.0  9.2  9.1  8.8  9.1 10.2 10.9 10.9 10.7 10.8 10.8 10.6
SNOW RATIO (:1)     0    0    1    1    1    1    1    1    2    2    2    1    1    1    1    1    1

DATE               FRI 05/15/26        SAT 05/16/26        SUN 05/17/26        MON 05/18/26        TUE 05/19/26
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   CL   CL   CL   FW   CL   CL   FW   FW   FW   FW   FW   FW   FW   FW   SC
CLOUD COVER (%)     5   25    5    0    0    5    5    5    5   20   10    5   10   25   10    5    5   25
TEMPERATURE        45   49   43   35   45   46   39   33   39   40   32   28   35   39   29   26   39   44
MIN/MAX TEMP            51        35        50        33        44        28        42        25        47
WIND DIR           SW    W    W   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW    W    W    W   SW    W
WIND (MPH)          6   12   14   14   21   32   32   32   44   35   19   19   16   19   12   10    9   11
WIND GUST (MPH)         18             32   43   40   51   58   44   26        24   27             16
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    0    0    0    0    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) 11.1 11.5 11.1 10.7 10.9 11.1 10.6  9.6 10.0 10.5  9.9  9.3  9.9 10.4  9.6  9.1 10.1 10.9
SNOW RATIO (:1)     1    0    0    1    1    1    2    2    2    3    3    3    2    2    2    2    1    1


...INNER BASIN...

DATE                    WEDNESDAY 05/13/26                      THURSDAY 05/14/26
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   SC   SC   SC   SC   SC   BK   FW   CL   CL   CL   CL   CL   CL   FW   FW   FW
CLOUD COVER (%)    75   45   35   30   30   40   55   20    5    0    0    0    0    5   10    5    5
TEMPERATURE        44   58   65   64   58   48   41   37   36   54   60   64   60   49   44   41   41
MAX/MIN TEMP                           66                  36                  64                  39
WIND DIR           SW    S    S    S   SW   SW    W    W    W    W    W    W    W    W    W    W    W
WIND (MPH)         11   14   24   27   26   14   10    8   13    8    8    9   11   12   12   10    9
WIND GUST (MPH)              36   42   39
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    0    0    5    5    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                         0.00                0.00                0.00                0.00
 HIGH END QPF                        0.01                0.00                0.00                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) 12.2 12.0 12.0 11.7 10.9 10.0  9.3  9.1  8.8  9.1 10.2 10.9 10.9 10.7 10.8 10.8 10.6
SNOW RATIO (:1)     0    0    0    0    0    0    0    0    1    1    0    0    0    0    0    0    0

DATE               FRI 05/15/26        SAT 05/16/26        SUN 05/17/26        MON 05/18/26        TUE 05/19/26
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   CL   CL   CL   FW   CL   CL   FW   FW   CL   FW   FW   FW   FW   CL   SC
CLOUD COVER (%)     5   25    5    0    0    0    5    5    5   20   10    5   10   25   10    5    5   25
TEMPERATURE        64   61   47   42   63   60   47   42   57   54   42   37   54   53   39   35   57   58
MIN/MAX TEMP            65        40        64        39        58        34        56        31        61
WIND DIR           SW    W    W   SW   SW   SW   SW   SW   SW   SW   SW   SW   SW    W    W    W    S    W
WIND (MPH)          5   12   14   14   20   27   25   26   39   31   16   14   13   17   10    8    8   10
WIND GUST (MPH)         18             31   42   40   49   56   44   24        23   26             14
PRECIP PROB (%)     0    0    0    0    0    0    0    0    0    0    0    0    5    0    0    0    0    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) 11.1 11.5 11.1 10.7 10.9 11.1 10.6  9.6 10.0 10.5  9.9  9.3  9.9 10.4  9.7  9.1 10.1 10.9
SNOW RATIO (:1)     0    0    0    0    0    1    1    1    1    2    2    2    1    1    1    1    1    1

$$

--- PRECIP TYPE CODES ---

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