National Weather Service United States Department of Commerce

Flooding Threats in the West and Southeast This Week

Monsoonal storms will continue to generate flash and urban flooding impacts into mid-week from the Intermountain West to the High Plains along the Rocky Mountain Front. Flash, urban, and isolated river flooding impacts are possible through Friday from coastal Virginia to the Georgia Coast as a stalled front brings periods of heavy rainfall to the Coastal Plain. 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.