Weather Alerts for Oregon

Recent Locations: Ace, TX Dobbins, CA Walton, OR

1. Dense Fog Advisory for: Clatsop County Coast; Tillamook County Coast; Central Coast of Oregon; South Washington Coast

2. Extreme Heat Warning for: Eastern Curry County and Josephine County; Jackson County

3. Heat Advisory for: Central Douglas County

4. Heat Advisory for: Oregon Lower Treasure Valley

5. Red Flag Warning for: Canyon Grassland of Wallowa County; Kittitas Valley; Lower Columbia Basin; Blue Mountains of Washington; Southeast Washington Grande Ronde Valley; Yakama Alpine District

6. Red Flag Warning for: John Day Valley; Southern Blue Mountains; Central Mountains of Oregon; Warm Springs Reservation; Northern Deschutes National Forest; Southern Deschutes National Forest

7. Red Flag Warning for: Klamath Basin and the Fremont-Winema National Forest

8. Red Flag Warning for: Lower Columbia Basin of Oregon; Eastern Columbia River Gorge of Oregon; East Slopes of Mount Hood National Forest

9. Red Flag Warning for: Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What are Stratocumulus Clouds?

Home - Education - Cloud Types - Stratocumulus Clouds

Next Topic: Stratus Clouds

Stratocumulus clouds are similar to altocumulus clouds in their fluffy appearance, but have a slightly darker shade due to their additional mass.

A good way to distinguish the two cloud types is to hold your hand out and measure the size of an individual cloud; if it is the size of your thumb it is generally an altocumulus cloud, if it is the size of your hand it is generally a stratocumulus cloud.

It is uncommon for stratocumulus clouds to produce precipitation, but if they do it is usually a light rain or snow.

Next Topic: Stratus Clouds

Weather Topic: What are Wall Clouds?

Home - Education - Cloud Types - Wall Clouds

Wall Clouds Next Topic: Altocumulus Clouds

A wall cloud forms underneath the base of a cumulonimbus cloud, and can be a hotbed for deadly tornadoes.

Wall clouds are formed by air flowing into the cumulonimbus clouds, which can result in the wall cloud descending from the base of the cumulonimbus cloud, or rising fractus clouds which join to the base of the storm cloud as the wall cloud takes shape.

Wall clouds can be very large, and in the Northern Hemisphere they generally form at the southern edge of cumulonimbus clouds.

Next Topic: Altocumulus Clouds