GFS-Initialized Pacific Northwest WRF Weather Forecasts


Updated:      Next Update: 


WRF-GFS 36 km Domain
Initialized 2026052100 UTC
5 pm PDT Wed 20 May 2026

ProductLoop By TypeForecast Hour
36km
All Types
Loop by Hour excluding soundings and AQ plots L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
Loop by Hour excluding only soundings L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
36km
Surface
SLP, 10 m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
925 mb temperature, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
Thickness 1000-500 mb LOOP 0 3 6 9 12 15 18 21 24 27 30
CAPE (Convective available potential energy) LOOP 0 3 6 9 12 15 18 21 24 27 30
Temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Bias-corrected Surface (2m) temperature LOOP 6 12 18 24 30
Surface (2m) temperature bias LOOP 6 12 18 24 30
Surface (2m) dew point temperature LOOP 6 12 18 24 30
Bias-corrected Surface (2m) dew point temperature LOOP 6 12 18 24 30
Surface (2m) dew point temperature bias LOOP 6 12 18 24 30
10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27
Solar radiation LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
850 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
700 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Vertical Velocity, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
500 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Absolute Vorticity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Vertical Velocity, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
300 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Isotachs LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
Precip
1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
24-hour precipitation LOOP 24
Accumulated precipitation LOOP 24
Precipitable Water LOOP 0 3 6 9 12 15 18 21 24 27 30
Integrated water vapor transport LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
Radar

Reflectivity versus Composite Reflectivity
Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
Composite Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
Cloud
High Cloud Water (> 20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Mid Cloud Water (10K-20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Low Cloud Water (3K-10K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Lowest Cloud Water (sfc - 3K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Column-integrated cloud water LOOP 0 3 6 9 12 15 18 21 24 27 30
Outgoing Longwave Radiation (similar to IR satellite) LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
Snow

Snowfall versus Model Snowfall
Snow Cover LOOP 0 3 6 9 12 15 18 21 24 27 30
Water-equivalent Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
Terrain-Masked Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
3-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
24-hour snowfall LOOP 24
24-hour model snowfall LOOP 24
Accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
36km
Cross
Sections

Map of 36km
Cross Section
Locations
Total Cloud Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Cloud Ice Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Total Precip Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Rain Water Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Snow Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Graupel Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Wind Speed: E.Pac - Sea-Tac - Montana LOOP 0 3 6 9 12 15 18 21 24 27 30

WRF-GFS 12 km Domain
Initialized 2026052100 UTC
5 pm PDT Wed 20 May 2026

ProductLoop By TypeForecast Hour
12km
All Types
Loop by Hour excluding soundings and AQ plots L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
Loop by Hour excluding only soundings L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
12km
Surface
SLP, 10 m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
925 mb temperature, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
Thickness 1000-500 mb LOOP 0 3 6 9 12 15 18 21 24 27 30
CAPE (Convective available potential energy) LOOP 0 3 6 9 12 15 18 21 24 27 30
Lightning NCAR General Thunder Parameter LOOP 0 3 6 9 12 15 18 21 24 27
Lightning CAPE > 200 and Precip LOOP 0 3 6 9 12 15 18 21 24 27
Temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Surface (2m) temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Surface (2m) temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Bias-corrected Surface (2m) temperature LOOP 6 12 18 24 30
Surface (2m) temperature bias LOOP 6 12 18 24 30
Surface (2m) dew point temperature LOOP 6 12 18 24 30
Bias-corrected Surface (2m) dew point temperature LOOP 6 12 18 24 30
Surface (2m) dew point temperature bias LOOP 6 12 18 24 30
10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge 10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity LOOP 0 3 6 9 12 15 18 21 24 27 30
Solar radiation LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Constant Height
Western WA
1000 ft, pressure, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
850 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
700 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Vertical Velocity, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
500 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Absolute Vorticity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Vertical Velocity, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
300 mb
Isotachs LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Precip
1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
WA 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
OR 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
ID 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
WA 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
OR 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
ID 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
24-hour precipitation LOOP 24
WA 24-hour precipitation LOOP 24
OR 24-hour precipitation LOOP 24
ID 24-hour precipitation LOOP 24
Western WA 24-hour precipitation LOOP 24
Accumulated precipitation LOOP 24
WA Accumulated precipitation LOOP 24
Western WA Accumulated precipitation LOOP 24
Precipitable Water LOOP 0 3 6 9 12 15 18 21 24 27 30
Integrated water vapor transport LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Radar

Reflectivity versus Composite Reflectivity
Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
Composite Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Cloud
High Cloud Water (> 20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Mid Cloud Water (10K-20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Low Cloud Water (3K-10K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Lowest Cloud Water (sfc - 3K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Column-integrated cloud water LOOP 0 3 6 9 12 15 18 21 24 27 30
Outgoing Longwave Radiation (similar to IR satellite) LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Snow

Snowfall versus Model Snowfall
Snow Cover LOOP 0 3 6 9 12 15 18 21 24 27 30
Water-equivalent Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
OR Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
ID Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
1000 ft temperature, wind and snow mixing ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
Terrain-Masked Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Freezing level AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Probability of frozen precipitation LOOP 0 3 6 9 12 15 18 21 24 27 30
Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
Western WA Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
Western Oregon Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
WA 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
OR 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
ID 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
3-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
WA 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
OR 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
ID 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
24-hour snowfall LOOP 24
24-hour model snowfall LOOP 24
WA 24-hour snowfall LOOP 24
OR 24-hour snowfall LOOP 24
ID 24-hour snowfall LOOP 24
Western WA 24-hour snowfall LOOP 24
Western WA 24-hour model snowfall LOOP 24
Accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
WA accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
OR accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
ID accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
WA 1000 ft temperature, wind and snow mixing ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 925 mb Snow Mixing Ratio, temperature, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
Cross
Sections

Map of 12km
Cross Section
Locations
Total Cloud Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Cloud Ice Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Total Precip Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Rain Water Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Snow Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Graupel Mixing Ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Wind Speed: E.Pac - Sea-Tac - Montana LOOP 0 3 6 9 12 15 18 21 24 27 30
12km
St. Helens
Trajectories
8,000 ft LOOP 0 6 12
12,000 ft LOOP 0 6 12
18,000 ft LOOP 0 6 12
24,000 ft LOOP 0 6 12
30,000 ft LOOP 0 6 12
Air Quality and Fire Weather Maps
Soundings
Meteograms
not yet available
Time-Height Sections
not yet available

WRF-GFS 4 km Domain
Initialized 2026052100 UTC
5 pm PDT Wed 20 May 2026

ProductLoop By TypeForecast Hour
4km
All Types
Loop by Hour excluding soundings and AQ plots L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
Loop by Hour excluding only soundings L 0 L 3 L 6 L 9 L12 L15 L18 L21 L24 L27 L30 L33 L36 L39 L42 L45 L48 L51 L54 L57 L60 L63 L66 L69 L72 L75 L78 L81 L84 L87 L90 L93 L96
L99 L102 L105 L108 L111 L114 L117 L120
4km
Surface
SLP, 10 m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
WA SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
OR SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
ID SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge SLP, 10m winds, and temp LOOP 0 3 6 9 12 15 18 21 24 27 30
925 mb temperature, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
Lightning NCAR General Thunder Parameter LOOP 0 3 6 9 12 15 18 21 24 27
Lightning CAPE > 200 and Precip LOOP 0 3 6 9 12 15 18 21 24 27
Temperature LOOP
or
Data Loop
0 3 6 9 12 15 18 21 24 27 30
WA Surface (2m) temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Surface (2m) temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Surface (2m) temperature LOOP 0 3 6 9 12 15 18 21 24 27 30
Bias-corrected Surface (2m) temperature LOOP 6 12 18 24 30
Surface (2m) temperature bias LOOP 6 12 18 24 30
Surface (2m) dew point temperature LOOP 6 12 18 24 30
Bias-corrected Surface (2m) dew point temperature LOOP 6 12 18 24 30
Surface (2m) dew point temperature bias LOOP 6 12 18 24 30
10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
WA 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
WA 10m Wind Speed
highlighting low speeds
LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 10m Wind Speed
highlighting low speeds
LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge 10m Wind Speed LOOP 0 3 6 9 12 15 18 21 24 27 30
10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA 10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA 10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge 10m Wind Gusts LOOP 0 3 6 9 12 15 18 21 24 27 30
Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Gust Potential LOOP 0 3 6 9 12 15 18 21 24 27 30
Wind Max within 250m AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Wind Max within 250m AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Wind Max within 250m AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Wind Max within 250m AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Max 10m Winds over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Columbia Gorge Max 10m Wind Gusts over Fcst Period LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity LOOP 0 3 6 9 12 15 18 21 24 27 30
Solar radiation LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
850 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
OR Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
ID Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Relative Humidity, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
700 mb
Temp, winds, heights LOOP 0 3 6 9 12 15 18 21 24 27 30
Vertical Velocity, winds LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
Precip
1-hour precipitation LOOP
or
Data Loop
0 6 9 12 15 18 21 24 27 30
WA 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
OR 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
ID 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 1-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
WA 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
OR 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
ID 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 3-hour precipitation LOOP 0 6 9 12 15 18 21 24 27 30
24-hour precipitation LOOP 24
WA 24-hour precipitation LOOP 24
OR 24-hour precipitation LOOP 24
ID 24-hour precipitation LOOP 24
Western WA 24-hour precipitation LOOP 24
Eastern WA 24-hour precipitation LOOP 24
Accumulated precipitation LOOP
or
Data Loop
24
WA Accumulated precipitation LOOP 24
OR Accumulated precipitation LOOP 24
ID Accumulated precipitation LOOP 24
Western WA Accumulated precipitation LOOP 24
Eastern WA Accumulated precipitation LOOP 24
4km
Radar

Reflectivity versus Composite Reflectivity
Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
OR Radar Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
Composite Reflectivity LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
Cloud
High Cloud Water (> 20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Mid Cloud Water (10K-20K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Low Cloud Water (3K-10K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Lowest Cloud Water (sfc - 3K ft) LOOP 0 3 6 9 12 15 18 21 24 27 30
Column-integrated cloud water LOOP 0 3 6 9 12 15 18 21 24 27 30
Outgoing Longwave Radiation (similar to IR satellite) LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
Snow

Snowfall versus Model Snowfall
Snow Cover LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Snow Cover LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Snow Cover LOOP 0 3 6 9 12 15 18 21 24 27 30
Water-equivalent Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
OR Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
ID Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Snow Depth LOOP 0 3 6 9 12 15 18 21 24 27 30
1000 ft temperature and wind LOOP 0 3 6 9 12 15 18 21 24 27 30
1000 ft temperature, wind and snow mixing ratio LOOP 0 3 6 9 12 15 18 21 24 27 30
Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
Terrain-Masked Freezing level ASL LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Freezing level AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA Freezing level AGL LOOP 0 3 6 9 12 15 18 21 24 27 30
Probability of frozen precipitation LOOP 0 3 6 9 12 15 18 21 24 27 30
Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
Western WA Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
Eastern WA Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
Western Oregon Precipitation Type LOOP 0 3 6 9 12 15 18 21 24 27
1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
1-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
WA 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
OR 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
ID 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 1-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 1-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 1-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
3-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
3-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
WA 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
OR 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
ID 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour model snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Western WA 3-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 3-hour snowfall LOOP 0 6 9 12 15 18 21 24 27 30
Eastern WA 3-hour rain/snowfall LOOP 0 6 9 12 15 18 21 24 27 30
24-hour snowfall LOOP 24
24-hour model snowfall LOOP 24
WA 24-hour snowfall LOOP 24
OR 24-hour snowfall LOOP 24
ID 24-hour snowfall LOOP 24
Western WA 24-hour snowfall LOOP 24
Eastern WA 24-hour snowfall LOOP 24
Western WA 24-hour model snowfall LOOP 24
Accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
WA accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
OR accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
ID accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
Eastern WA accumulated snowfall LOOP 0 3 6 9 12 15 18 21 24 27 30
WA Snow Mixing Ratio with topography LOOP 0 3 6 9 12 15 18 21 24 27 30
Western WA Snow Mixing Ratio with topography LOOP 0 3 6 9 12 15 18 21 24 27 30
cxseattle_snow Snow Mixing Ratio
W - Pacific Ocean - Seattle - Spokane - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
Cross
Sections

Map of 4km
Cross Section
Locations
cxns
N - Vacouver BC - Eugene OR - S
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxfraser
SW - Pacific Ocean - San Juans - Fraser River - NE
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxolympics
SW - Taholah WA - Olympic Mts - Oak Harbor - NE
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxncascades
W - Anacortes - North Cascades - Colville - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxseattle
W - Pacific Ocean - Seattle - Spokane - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxseattle_wsp Wind Speed
W - Pacific Ocean - Seattle - Spokane - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxolympia
W - Hoquiam - Olympia - Missoula - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxrainier
SW - Mt. Rainier - NE
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxgorge
W - Pacific Ocean - Columbia River Gorge - Pendleton - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
cxeugene
W - Pacific Ocean - Eugene - Sawtooth Mountains - E
LOOP 0 3 6 9 12 15 18 21 24 27 30
4km
St. Helens
Trajectories
8,000 ft LOOP 0 6 12
12,000 ft LOOP 0 6 12
18,000 ft LOOP 0 6 12
24,000 ft LOOP 0 6 12
30,000 ft LOOP 0 6 12
4km
Other
Trajectories

More
trajectories
to SeaTac at 20 m LOOP 6 9 12 15 18 21 24 27
Air Quality and Fire Weather Maps
Soundings
Meteograms
not yet available
Time-Height Sections
not yet available


WRF-GFS 1 1/3 km Domain
Initialized 2026052100 UTC
5 pm PDT Wed 20 May 2026

ProductLoop By TypeForecast Hour

1 1/3 km domain and subdomain images begin approximately 10 minutes after the 4-km run completes. They are not yet available for the 2026052100 run.


Questions and comments should be directed to David Ovens

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