576
FWUS46 KPQR 201118
AVGPQR
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PORTLAND OR
ISSUED BY NATIONAL WEATHER SERVICE SEATTLE WA
418 AM PDT TUE MAY 20 2025
..MOUNT ST. HELENS
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
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 OV OV BK BK SC FW SC BK BK OV OV OV BK
CLOUD COVER (%) 80 75 75 85 80 75 65 55 45 25 30 55 65 80 75 75 70
TEMPERATURE 31 31 32 33 33 33 32 31 29 32 37 41 43 41 38 36 35
MAX/MIN TEMP 34 29 43 34
WIND DIR W W SW SW W W W W NW N N NW NW N N E NE
WIND (MPH) 10 11 11 10 10 9 6 5 4 4 5 6 10 9 6 5 5
WIND GUST (MPH) 17 18 19 19 18 17 12 16 14
PRECIP PROB (%) 50 50 50 80 70 20 5 5 5 5 5 5 20 20 30 30 30
PRECIP TYPE S S S R S S S S S S S
6 HOUR QPF 0.13 0.22 0.11 0.02 0.00 0.00 0.00 0.03
6 HOUR SNOW 0.9 1.1 0.6 0.2 0.0 0.0 0.0 0.1
12 HOUR SNOW 2.0 0.8 0.0 0.1
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) 4.2 4.0 4.3 4.8 5.1 4.8 4.4 4.0 3.8 3.9 4.8 5.7 5.9 5.9 5.8 5.5 5.2
..MOUNT HOOD
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
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 BK BK BK OV OV OV SC FW FW BK OV OV OV OV OV
CLOUD COVER (%) 85 75 65 60 70 75 75 75 40 20 25 50 75 90 85 80 75
TEMPERATURE 26 26 27 28 29 30 28 27 25 30 35 39 40 37 34 32 31
MAX/MIN TEMP 31 24 42 30
WIND DIR W W W W W W W W W W NE N N N NW W NW
WIND (MPH) 18 19 19 18 19 17 13 11 9 8 8 8 10 9 8 9 11
WIND GUST (MPH) 28 29 28 28 28 26 20 18 14 13 14 16 17 16 13 14 17
PRECIP PROB (%) 80 30 20 30 40 30 5 0 5 5 5 5 30 30 50 50 50
PRECIP TYPE S S S S S S S S S S S
6 HOUR QPF 0.13 0.08 0.11 0.02 0.00 0.00 0.02 0.18
6 HOUR SNOW 1.5 0.8 1.1 0.2 0.0 0.0 0.1 1.1
12 HOUR SNOW 2.3 1.3 0.0 1.2
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) 4.5 4.0 4.4 5.0 5.3 5.1 4.8 4.3 3.9 4.2 5.6 6.5 6.7 6.7 6.5 5.9 5.5
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
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