Latest Climate Summary

  • Mid-Atlantic Regional Climate Impacts Summary and Outlook: Summer 2020

    Sep 17, 2020

    The Mid-Atlantic region experienced an active summer season with near-weekly severe storm events and the arrival of Tropical Storm Isaias. Warmer-than-normal conditions brought the hottest summer on record for Norfolk, Virginia, and Harrisburg and Williamsport, Pennsylvania.

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MARISA Data Portal

  • Screen capture of the interactive map of the Chesapeake Bay area from the MARISA Data Portal

    MARISA Data Portal

    Jul 17, 2018

    MARISA is developing useful climate data sets for the Chesapeake Bay Watershed and greater Mid-Atlantic region. Our latest product is “ChesWx”, a 4-km gridded data set of historical daily temperature and precipitation observations across the Chesapeake Bay Watershed. New products and data sets will become available as research progresses.

Research and Tools

  • Climate Data Tools

    Sep 8, 2020

    Explore interactive tools based on historic and projected climate data in the Mid-Atlantic region. Tools were produced as part of the Mid-Atlantic Climate Impacts Summary and Outlook, a quarterly series that details seasonal weather and climate variability and change in the Mid-Atlantic region.

  • A flooded road with a stop sign visible above the flood water and a railbridge in the background, photo by CHRISsadowski / Getty Images

    Climate-Resilient Planning for Urban Stormwater and Wastewater Utilities: Workshop Proceedings

    Feb 27, 2020

    This workshop brought together leaders from 15 major metropolitan water utilities in the United States and Canada, and other international experts, to discuss current practices, lessons learned, and new ideas for developing actionable rainfall projections and incorporating climate-informed stormwater flows into planning processes. [A free account is required to download this report.]

  • Thomas Point Light near Annapolis, MD

    Resilience to a Changing Climate in the Chesapeake Bay Watershed

    Aug 7, 2018

    There is a wealth of data and climate information that could help improve the resilience of the Chesapeake Bay Watershed. Increased flooding, rising temperatures, and the potential for extreme rainfall events will impact future decisions about transportation, land, and water management.