Avalanche Weather Guidance
Issued by NWS Flagstaff, AZ
Issued by NWS Flagstaff, AZ
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
755
FWUS45 KFGZ 170140
AVGFGZ
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
639 PM MST WED SEP 16 2026
...AGASSIZ PEAK...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV OV OV BK BK BK BK SC FW FW SC FW FW FW FW
CLOUD COVER (%) 95 90 90 75 55 60 60 55 40 25 15 35 10 10 20 10
TEMPERATURE 44 42 42 40 42 45 47 48 44 42 41 40 42 49 52 50
MIN/MAX TEMP 40 50 40 53
WIND DIR SE S S S S SW SW SW SW S S SW SW SW SW SW
WIND (MPH) 5 8 6 5 5 5 8 6 4 5 8 9 6 10 12 10
WIND GUST (MPH) 16 19
PRECIP PROB (%) 80 70 30 30 30 40 40 20 20 0 0 0 0 5 5 10
PRECIP TYPE R R R R R T T T T
6 HOUR QPF 0.14 0.10 0.01 0.03 0.02 0.00 0.00 0.00
12 HOUR QPF 0.24 0.04 0.02 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) 14.5 14.6 14.5 14.4 14.2 13.9 13.6 13.6 13.3 13.0 12.8 12.4 12.3 12.6 13.1 13.3
SNOW RATIO (:1) 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) 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER FW FW FW FW FW FW SC SC SC SC SC BK SC BK BK SC SC SC BK SC
CLOUD COVER (%) 5 10 5 10 5 15 30 50 35 50 45 55 40 55 65 35 35 35 60 45
TEMPERATURE 42 39 48 50 41 39 49 51 42 40 48 48 40 39 45 46 39 38 44 46
MAX/MIN TEMP 39 53 39 53 40 51 38 49 38 48
WIND DIR SW SW SW W W W S SW SW SW S SW SW SE SE S SE E E E
WIND (MPH) 6 4 5 8 6 4 4 5 5 3 5 5 3 4 6 4 4 5 8 11
WIND GUST (MPH) 11 10 11 13 14 17
PRECIP PROB (%) 0 0 10 0 0 0 0 0 0 0 10 10 20 40 50 20 20 20 50 30
PRECIP TYPE R R T T 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) 12.4 11.6 12.2 12.2 11.7 11.5 11.7 12.1 11.8 11.7 11.9 12.3 12.2 12.1 12.4 12.5 12.5 12.5 12.8 13.0
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
...INNER BASIN...
DATE THURSDAY 09/17/26 FRIDAY 09/18/26
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P
CLOUD COVER OV OV OV OV BK BK BK BK SC FW FW SC FW FW FW FW
CLOUD COVER (%) 95 90 90 70 55 60 60 55 40 25 15 30 10 5 20 10
TEMPERATURE 50 48 47 46 49 57 58 57 50 47 46 44 51 64 61 58
MIN/MAX TEMP 44 62 43 65
WIND DIR S S S S S SW SW SW SW S SW SW SW SW SW SW
WIND (MPH) 5 8 5 5 5 5 8 5 4 5 6 8 6 9 10 8
WIND GUST (MPH) 14 17 14
PRECIP PROB (%) 80 70 30 30 30 40 40 20 20 0 0 0 0 5 5 10
PRECIP TYPE R R R R R T T T T
6 HOUR QPF 0.16 0.09 0.01 0.03 0.01 0.00 0.00 0.00
12 HOUR QPF 0.25 0.04 0.01 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) 14.6 14.6 14.5 14.4 14.2 14.0 13.7 13.6 13.4 13.0 12.8 12.4 12.3 12.7 13.1 13.3
SNOW RATIO (:1) 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) 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17
11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P 11P 5A 11A 5P
CLOUD COVER FW FW FW FW CL FW SC SC SC SC SC BK SC BK BK SC SC SC BK SC
CLOUD COVER (%) 5 10 5 10 5 10 30 50 30 50 40 55 40 55 65 35 35 35 60 45
TEMPERATURE 46 43 63 59 46 44 62 59 47 44 61 57 46 44 58 54 45 43 57 54
MAX/MIN TEMP 43 65 42 65 43 63 42 61 41 60
WIND DIR SW SW SW W W W S SW SW SW S SW SW S SE S SE E E E
WIND (MPH) 6 4 4 6 6 4 4 5 4 2 5 5 2 3 6 4 4 4 8 4
WIND GUST (MPH) 10 11 12 14 10
PRECIP PROB (%) 0 0 10 0 0 0 0 0 0 5 10 10 20 40 50 20 20 20 50 30
PRECIP TYPE R R T T 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) 12.4 11.6 12.2 12.2 11.8 11.5 11.7 12.1 11.8 11.7 11.9 12.3 12.2 12.1 12.4 12.5 12.5 12.5 12.8 13.0
SNOW RATIO (:1) 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN