National Weather Service United States Department of Commerce

Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. 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.