Chesapeake Bay Climate Impacts Summary and Outlook: Summer 2019

MARISA Chesapeake Bay Watershed Climate Summary map and title

Summer brought flash flooding to some parts of the Chesapeake Bay Watershed, while other areas experienced as little as 50 percent of normal rainfall. July was also among the 10 warmest months on record for several locations.

Read more, and use the interactive maps of climate projections, in the latest MARISA Seasonal Climate Impacts Summary and Outlook.

Highlights

High intensity rainfall events resulted in two rare National Weather Service Flash Flood Emergencies.
Northern Virginia, central Pennsylvania and eastern Maryland experienced less precipitation than normal—with some areas seeing as little as 50 percent of the 1981-2010 average.
Western Maryland and Eastern Virginia experienced precipitation up to 150 percent of normal.
July ranked as one of the ten all-time warmest months on record for several locations, helping this summer to rank among the 10 warmest on record for Baltimore, MD; Harrisburg, PA; Dulles Airport, VA; and Washington, D.C.
The Atlantic hurricane season is forecasted by NOAA to be above normal.

Read the Climate Summary

The MARISA Seasonal Climate Impacts Summary and Outlook is a seasonal series produced by NOAA’s Mid-Atlantic Regional Integrated Sciences and Assessments program that details seasonal weather and climate variability and change in the Chesapeake Bay watershed.

MARISA is led by the non-profit RAND Corporation, in partnership with researchers in Penn State University’s Earth and Environmental Systems Institute, and the Environment, Energy, Sustainability and Health Institute at Johns Hopkins University, along with support from researchers in the Department of Earth and Atmospheric Sciences at Cornell University, and the Virginia Institute of Marine Science.