National Weather Service United States Department of Commerce

Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. 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.