National Weather Service United States Department of Commerce

Tennessee Valley Flooding; California Fire Weather; Strong Cold Front

Heavy rain from the remnants of Nicholas will continue a threat for additional flooding and flash flooding across the Tennessee Valley Monday. Critical fire weather conditions are forecast for portions of interior California Monday. A strong cold front will slowly shift across the central then eastern U.S. through this week bringing a threat for heavy rainfall and potential for flooding. Read More >




Michelle Mainelli
Director, Office of Dissemination National Weather Service


Michelle Mainelli is the Director of the Office of Dissemination at the National Weather Service (NWS), a role she has held since April 2017. Ms. Mainelli’s primary responsibilities include overseeing the operation and maintenance of NWS information technology systems, infrastructure, and services throughout the Nation. She is responsible for the integration and planning of new technologies to improve the dissemination of NWS weather, water, and climate data and information to help communities, businesses, and governments understand and adapt to weather- and climate-related risks. Her office promotes increased accessibility, interoperability, and stewardship of NOAA data, and for leading, delivering, and coordinating NWS´ contribution to NOAA, DOC, and Administration data dissemination initiatives.

Ms. Mainelli has served in various roles in the NWS for more than 25 years.  In her position as Deputy Director of the National Centers for Environmental Prediction (NCEP) Central Operations in 2014, she helped oversee the improvements and execution of the NCEP operational model suite, developing meteorological software and managing the flow of data and products.

After a year of being an intern at the St. Louis, Missouri at the NWS Forecast Office, Ms. Mainelli worked at the National Hurricane Center for 15 years where she served in all three branches of the Center and held positions as Marine Forecaster and Hurricane Specialist.  In 2008, she was selected as the Software Development Team Lead for NCEP Central Operations Systems Integration Branch and was promoted to Branch Chief in January of 2010.

Michelle holds a B.S. in Meteorology, a M.S. in Meteorology and Physical Oceanography, and a MBA in Technology Management.

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