Weather Alerts for Oregon

Recent Locations: Prairie du Sac, WI Derry, NH Independence, OR

1. Winter Storm Warning for: Central Douglas County

2. Winter Storm Warning for: Eastern Curry County and Josephine County

3. Winter Storm Warning for: Jackson County

4. Winter Storm Warning for: Northern Blue Mountains of Oregon; Northwest Blue Mountains

5. Winter Weather Advisory for: Central Douglas County

6. Winter Weather Advisory for: East Slopes of the Oregon Cascades

7. Winter Weather Advisory for: Eastern Curry County and Josephine County

8. Winter Weather Advisory for: Eastern Douglas County Foothills; South Central Oregon Cascades; Siskiyou Mountains and Southern Oregon Cascades

9. Winter Weather Advisory for: Grande Ronde Valley; Wallowa County; Southern Blue Mountains of Oregon

10. Winter Weather Advisory for: Jackson County

11. Winter Weather Advisory for: North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades

12. Winter Weather Advisory for: North Oregon Coast Range Lowlands; North Oregon Coast Range; Central Oregon Coast Range; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; Willapa Hills; South Washington Cascade Foothills

13. Winter Weather Advisory for: Ochoco-John Day Highlands

14. Winter Weather Advisory for: West Hills and Chehalem Mountains

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

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 Altostratus Clouds?

Home - Education - Cloud Types - Altostratus Clouds

Next Topic: Cirrocumulus Clouds

Altostratus clouds form at mid to high-level altitudes (between 2 and 7 km) and are created by a warm, stable air mass which causes water vapor to condense as it rise through the atmosphere. Usually altostratus clouds are featureless sheets characterized by a uniform color.

In some cases, wind punching through the cloud formation may give it a waved appearance, called altostratus undulatus. Altostratus clouds are commonly seen with other cloud formations accompanying them.

Next Topic: Cirrocumulus Clouds

Weather Topic: What are Cirrostratus Clouds?

Home - Education - Cloud Types - Cirrostratus Clouds

Next Topic: Cirrus Clouds

Cirrostratus clouds are high, thin clouds that form above 20,000 feet and are made mostly of ice crystals. They sometimes look like giant feathers, horse tails, or curls of hair in the sky. These clouds are pushed by the jet stream and can move at high speeds reaching 100 mph.

What do they indicate?
They indicate that a precipitation is likely within 24 hours.

Next Topic: Cirrus Clouds