Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 171004
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 AM MST THU SEP 17 2026
...AGASSIZ PEAK...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK BK BK SC FW FW FW FW FW FW FW FW FW FW
CLOUD COVER (%) 80 75 80 70 65 50 40 25 20 10 5 10 15 15 10 10 10
TEMPERATURE 40 40 43 46 47 43 42 40 39 42 48 51 50 44 41 39 38
MAX/MIN TEMP 50 39 53 38
WIND DIR S SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW
WIND (MPH) 5 4 5 6 8 4 6 9 10 8 11 13 12 10 8 6 6
WIND GUST (MPH) 17 21 19 16
PRECIP PROB (%) 30 30 30 30 10 10 0 0 0 0 5 5 0 0 0 0 0
PRECIP TYPE R R T T T
6 HOUR QPF 0.08 0.03 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.11 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) 14.4 14.1 13.6 13.6 13.5 13.1 12.9 12.7 12.5 12.5 12.9 13.1 13.0 12.5 12.1 11.9 11.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 FW FW FW FW SC BK SC SC SC SC BK BK BK SC FW SC BK SC
CLOUD COVER (%) 10 15 10 15 25 55 40 45 40 50 60 70 60 30 25 35 55 35
TEMPERATURE 49 51 40 36 50 52 42 41 49 49 40 38 45 47 39 37 46 48
MIN/MAX TEMP 53 36 54 40 52 38 51 37 51
WIND DIR SW W SW SW SW SW SW SW S S SW SE SE S SE SE SE E
WIND (MPH) 6 10 9 6 6 5 5 4 6 6 3 4 8 6 4 4 8 5
WIND GUST (MPH) 17 13 16 13
PRECIP PROB (%) 5 0 0 0 0 0 0 5 20 20 50 60 50 20 20 10 40 20
PRECIP TYPE T T R R T T R T T
12 HOUR QPF 0.00 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 12.1 12.1 11.9 11.6 11.7 12.1 11.8 11.7 12.1 12.4 12.2 12.2 12.2 12.3 12.1 12.0 12.4 12.6
SNOW RATIO (:1) 0 0 0 0 0 1 1 1 1 1 2 2 1 1 1 1 1 1
...INNER BASIN...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
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 BK SC SC FW FW FW CL FW FW FW FW FW FW
CLOUD COVER (%) 75 75 75 75 65 45 35 25 20 5 5 10 15 10 10 10 10
TEMPERATURE 44 51 61 59 58 50 46 45 42 53 64 63 60 51 47 45 42
MAX/MIN TEMP 62 42 65 42
WIND DIR S SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW
WIND (MPH) 4 4 5 6 6 3 5 8 9 6 10 12 11 9 8 6 6
WIND GUST (MPH) 17 19 18
PRECIP PROB (%) 30 30 30 30 10 10 0 0 0 0 5 5 0 0 0 0 0
PRECIP TYPE R R T T T
6 HOUR QPF 0.08 0.03 0.00 0.00 0.00 0.00 0.00 0.00
12 HOUR QPF 0.11 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) 14.4 14.1 13.6 13.6 13.5 13.1 13.0 12.7 12.5 12.5 12.9 13.0 13.0 12.4 12.0 11.9 11.7
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE SAT 09/19/26 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
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 FW FW FW FW SC BK SC SC SC SC BK BK BK SC FW SC BK SC
CLOUD COVER (%) 5 15 10 10 25 55 35 45 35 50 60 70 60 30 25 30 55 40
TEMPERATURE 64 60 43 41 64 60 47 45 62 57 45 43 58 56 45 42 60 56
MIN/MAX TEMP 65 40 65 43 64 42 63 40 62
WIND DIR SW W SW SW SW SW SW SW S S SW S SE S SE S SE E
WIND (MPH) 6 11 10 6 6 5 5 4 6 6 3 3 8 5 3 3 8 5
WIND GUST (MPH) 17 12 16 11 13
PRECIP PROB (%) 5 0 0 0 0 0 0 5 20 20 50 60 50 20 20 10 40 20
PRECIP TYPE T T R R T T R T T
12 HOUR QPF 0.00 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 12.1 12.2 11.9 11.6 11.7 12.1 11.8 11.7 12.1 12.4 12.2 12.2 12.2 12.3 12.1 12.0 12.4 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