National Weather Service United States Department of Commerce

Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

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Important Disclaimer

The following graphics are experimental and not an official forecast product. The graphics were created to display diagnostics for the MRMS radar-only rainfall estimate product. The plots were developed as a tool for assessing potential biases in data that has not been adjusted using rain gauges.


Experimental products may not always update in a timely manner and may be discontinued at a future date. Experimental products may not always reflect accurate, quality controlled information and should be used with caution.

 

Image showing bias correction factor for the MRMS Q3 radar-only rainfall estimate compared to RFC gauge bias-corrected estimates.

Image showing difference between the MRMS Q3 radar-only rainfall estimate and the RFC gauge bias-corrected estimate, in inches.

Image showing bias correction factor for the MRMS Q3 radar-only rainfall estimate compared to RFC gauge bias-corrected estimates.

Image showing difference between the MRMS Q3 radar-only rainfall estimate and the RFC gauge bias-corrected estimate, in inches.