National Weather Service United States Department of Commerce

Moderating Temperatures for the Eastern Two-Thirds of the Country; Approaching Storm for the West

Unseasonably warm temperatures for the Plains and Midwest will spread eastward through Sunday as a weak clipper system will bring some rain and snow showers from the Great Lakes to the Northeast. A storm approaching the west coast is expected to bring strong winds, lower elevation rain and heavy mountain snow. Unsettled weather conditions linger for the western islands of Hawaii into Sunday. Read More >

Link to Pan and Zoom RADAR Imagery

Latest RADAR imagery (KMAX--Mt Ashland)

 

KBHX--Eureka, CA

 

KBBX -- Beale AFB, CA

 

KRTX--Portland, OR

 

 

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RADAR Loop

Pan/Zoom RADAR

  • Slower loading but features more detail and capabilities.
Helpful hints when viewing this "lite" RADAR imagery

 

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Ground Clutter:

Image is what it can look like when there is no precipitation but significant ground clutter.  The grey and green areas won't move much. 

 

Actual Precipitation:

Image below shows precipitation in the area.  Green areas change/move like you'd expect with areas of rain/snow. 

 

Geocolor Loop

Geocolor

Infrared with Lightning

  • Good indicator for height of clouds
  • Colder/higher cloud tops are blue
  • Can use daytime or nighttime
  • Lightning "flashes" indicate include in-cloud, cloud to cloud, or cloud to ground flashes.

Fire Temperature

  • Good indicator for wildfire location and movement
  • Brighter reds indicate hotter fires
Day Cloud Phase Distinction

Day Cloud Phase Distinction

  • Helps determine if clouds include ice or not
  • Clouds transitioning from white shades to green and yellow shades indicate stronger showers
Water Vapor Imagery

Water Vapor Imagery

  • Used for tracking winds and moisture in the middle troposphere, as low as around 18,000 feet, or 500mb. Surface features are usually not apparent in this band.