Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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FWUS45 KFGZ 211005
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
304 AM MST MON SEP 21 2026
...AGASSIZ PEAK...
DATE MONDAY 09/21/26 TUESDAY 09/22/26
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 BK OV BK SC SC FW FW SC FW FW SC SC BK BK SC BK
CLOUD COVER (%) 90 65 80 55 40 40 20 20 25 25 10 30 40 50 55 45 50
TEMPERATURE 35 38 44 49 48 42 40 39 36 39 45 49 49 43 41 40 39
MAX/MIN TEMP 51 35 51 39
WIND DIR SW SW S S S S S S S S S SW SW SW SW SW N
WIND (MPH) 4 6 12 13 11 8 8 9 9 10 17 16 12 6 4 3 3
WIND GUST (MPH) 12 20 20 17 16 27 25 19
PRECIP PROB (%) 0 0 0 0 20 20 5 5 20 20 10 10 5 5 5 5 5
PRECIP TYPE T R R R
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) 11.9 12.3 12.8 12.8 12.9 12.4 12.3 12.5 12.5 12.6 12.4 12.7 12.7 12.4 12.3 12.4 12.4
SNOW RATIO (:1) 1 1 2 1 1 1 1 1 1 1 1 1 0 0 1 1 1
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 BK BK BK BK OV BK BK SC BK SC SC SC FW SC SC SC BK BK
CLOUD COVER (%) 60 70 60 55 70 65 55 40 60 45 30 30 25 40 30 45 55 55
TEMPERATURE 46 46 41 40 45 44 40 39 46 47 40 39 49 50 42 41 46 46
MIN/MAX TEMP 49 40 48 39 49 39 53 40 49
WIND DIR E E SE N E E S SW SE SW SW SW S SW SW SW SW SW
WIND (MPH) 6 4 4 5 6 3 3 3 3 4 4 3 4 6 5 5 6 8
WIND GUST (MPH) 9 10 13 13
PRECIP PROB (%) 40 20 5 10 60 50 30 20 40 10 0 5 10 10 5 20 40 20
PRECIP TYPE R T R R R R T T T R T T
12 HOUR QPF 0.05 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 12.8 13.2 12.9 12.8 13.0 13.1 12.9 12.6 12.8 13.1 12.9 12.4 12.7 13.0 12.8 12.7 13.0 13.4
SNOW RATIO (:1) 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
...INNER BASIN...
DATE MONDAY 09/21/26 TUESDAY 09/22/26
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 BK OV BK SC SC FW FW FW FW CL SC SC SC BK SC SC
CLOUD COVER (%) 85 65 75 60 45 40 25 25 25 25 5 35 40 50 50 45 50
TEMPERATURE 40 48 60 61 56 47 44 44 42 49 60 61 57 47 45 45 43
MAX/MIN TEMP 63 41 63 43
WIND DIR SW SW S S S S S S S S S SW SW SW SW SW NW
WIND (MPH) 4 6 11 12 9 8 6 8 8 8 16 14 11 5 4 3 2
WIND GUST (MPH) 20 19 16 14 27 24 18
PRECIP PROB (%) 0 0 0 0 20 20 5 5 10 10 10 10 5 5 5 5 5
PRECIP TYPE T R
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) 11.9 12.3 12.8 12.8 12.8 12.4 12.2 12.5 12.4 12.5 12.4 12.7 12.7 12.4 12.3 12.4 12.4
SNOW RATIO (:1) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 BK BK BK BK OV BK BK SC BK SC SC SC FW SC SC SC BK BK
CLOUD COVER (%) 55 70 55 50 70 65 50 35 60 45 30 25 25 40 30 40 55 55
TEMPERATURE 59 53 46 44 59 52 45 44 59 55 45 44 62 58 47 46 59 54
MIN/MAX TEMP 60 44 60 42 61 43 64 44 61
WIND DIR E E S W E SE S SW SE SW SW SW S SW SW SW SW SW
WIND (MPH) 5 3 3 2 6 3 2 2 4 3 3 3 5 5 4 4 6 6
WIND GUST (MPH) 12 12 13
PRECIP PROB (%) 40 20 5 10 60 50 30 20 40 10 0 5 10 10 5 20 40 20
PRECIP TYPE R T R R R R T T T R T T
12 HOUR QPF 0.05 0.00
12 HOUR SNOW 0.0 0.0
12 HOUR ICE 0.00 0.00
SNOW LEVEL (KFT) 12.8 13.2 12.9 12.8 13.0 13.1 12.9 12.6 12.8 13.1 12.9 12.4 12.7 13.0 12.8 12.7 13.0 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