855
FWUS46 KPQR 200008
AVGPQR
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE PORTLAND OR
ISSUED BY NATIONAL WEATHER SERVICE SEATTLE WA
508 PM PDT MON MAY 19 2025
..MOUNT ST. HELENS
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
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 OV OV OV OV OV BK BK SC SC SC BK OV
CLOUD COVER (%) 85 80 85 85 85 95 95 80 80 60 55 50 35 35 60 80
TEMPERATURE 34 32 32 31 31 32 33 34 33 32 31 29 32 38 42 43
MIN/MAX TEMP 30 34 29 43
WIND DIR W W W W W SW SW W W W NW NW NW NW NW NW
WIND (MPH) 17 13 11 10 11 11 11 11 9 6 5 5 4 5 6 10
WIND GUST (MPH) 27 23 19 18 18 19 19 19 16 12 13 17
PRECIP PROB (%) 50 80 70 80 60 70 70 90 70 40 5 5 10 10 10 10 20
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.12 0.13 0.13 0.23 0.12 0.04 0.00 0.00
6 HOUR SNOW 0.7 1.0 1.0 1.3 0.6 0.0 0.0 0.0
12 HOUR SNOW 1.7 2.3 0.6 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) 4.9 4.4 4.2 4.0 4.0 4.3 4.8 5.0 4.8 4.4 4.1 3.6 3.9 4.6 5.3 5.8
..MOUNT HOOD
DATE TUESDAY 05/20/25 WEDNESDAY 05/21/25
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 OV OV OV BK BK BK BK SC SC FW SC OV
CLOUD COVER (%) 85 85 85 85 85 70 70 65 70 65 60 45 35 25 50 70
TEMPERATURE 29 28 27 26 26 27 29 30 29 28 27 25 30 36 40 41
MIN/MAX TEMP 25 31 25 43
WIND DIR W W W W W W W W W W W W W NW NW NW
WIND (MPH) 32 25 21 19 20 19 19 20 18 13 11 10 8 8 9 11
WIND GUST (MPH) 43 36 33 29 31 29 28 29 27 20 18 16 13 14 17 18
PRECIP PROB (%) 40 60 70 80 70 40 40 50 40 30 5 5 10 10 10 10 30
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.19 0.19 0.08 0.06 0.07 0.02 0.00 0.00
6 HOUR SNOW 1.8 2.3 0.9 0.6 0.6 0.0 0.0 0.0
12 HOUR SNOW 4.1 1.5 0.6 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) 5.4 4.9 4.5 4.2 4.1 4.4 5.0 5.2 5.1 4.8 4.3 3.8 4.1 5.3 5.9 6.5
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page