National Weather Service United States Department of Commerce

Coastal Storm Impacting the Mid-Atlantic; Remaining Unseasonably Warm in the Central U.S.

A coastal storm will bring widespread rain, gusty winds, shallow coastal flooding, rip currents, large surf and possible areal flooding over the Mid-Atlantic region through Wednesday. Unseasonably warm to hot temperatures persist in the mid to upper Mississippi Valley, Ohio Valley, and into the Great Lakes and Northeast U.S. through Friday. Read More >


28-day Mississippi River Forecast Plots

 

These experimental plots were created as a way to display long range (28-day) forecasts which became part of daily operations at LMRFC in November of 2016. The official forecast (2 days of QPF) is displayed along with an experimental, raw model NAEFS-based forecast (16 days of QPF).

 


NEXRAD ZR Relationship Table

 

This table displays the radar reflectivity to rain rate relationships being used by each of the NEXRAD radar sites in the LMRFC area. Local weather forecast offices will change this relationship seasonally and by rainfall event to help improve radar estimates of rainfall.

 


MRMS Rainfall Diagnostics

 

Plots displaying diagnostics for the MRMS radar-only rainfall estimate product. The plots were developed as a tool for monitoring biases in radar-only products.