Quarterly Climate Impacts and Outlook for the Chesapeake Bay Region for December 2019 – February 2020. Dated March 2020.

The entire region experienced an unusually mild winter, which ranked among the ten warmest on record for many sites.  Precipitation departures from normal show that the Chesapeake Bay watershed experienced both more and less precipitation than historical averages. 

Quarterly Climate Impacts and Outlook for the Southeast Region for December 2019 – February 2020.  Dated March 2020.

Above-average temperatures were recorded over most of the Southeast. Maximum temperatures were generally near normal, but minimum temperatures were 3-6 F above normal due to high humidity and cloud cover.  Precipitation ranged from slightly below normal in the Florida peninsula to over 10 inches above normal in northern Alabama.

Quarterly Climate Impacts and Outlook for the Chesapeake Bay Region for September – November 2019. Dated December 2019.

Quarterly Climate Impacts and Outlook for the Southeast Region for September – November 2019.  Dated December 2019.

Above-average temperatures were recorded over most of the Southeast. Mean temperatures were in the top five warmest at 35 long-term stations.  Autumn precipitation was below normal for most of the Southeast region. None of the long-term stations ranked within the top 10 wettest for the season.

Quarterly Climate Impacts and Outlook for the Chesapeake Bay Region for June – August 2019. Dated September 2019.

Temperature was above normal for much of the region throughout the summer months, and July ranked as one of the ten all-time warmest months on record for several locations.  High intensity rainfall events occurred throughout the Chesapeake Bay watershed, resulting in two rare National Weather Service Flash Flood Emergencies.

Quarterly Climate Impacts and Outlook for the Southeast Region for June – August 2019.  Dated September 2019.

Above-average temperatures were recorded over most of the Southeast.  Summer precipitation was highly variable across the Southeast, as departures ranged from less than 75% to more than 200% of normal.

Quarterly Climate Impacts and Outlook for the Chesapeake Bay Region for March – May 2019. Dated June 2019.

Spring temperature was above average for most of the Chesapeake Bay watershed. Spring precipitation was up to double historical averages in the northern Chesapeake Bay.

Quarterly Climate Impacts and Outlook for the Southeast Region for March – May 2019.  Dated June 2019.

Above-average temperatures were recorded over most of the Southeast. Mean temperatures were 2-4 F above normal for most of the region.  Spring precipitation was around 50% to 90% of normal across much of the Southeast, except in western NC, and parts of central NC and AL, where it went up to 130% of normal.

Quarterly Climate Impacts and Outlook for the Southeast Region for December 2018 – February 2019.  Dated March 2019.

Quarterly Climate Impacts and Outlook for the Chesapeake Bay Region for March – May 2020. Dated June 2020.

Temperatures varied widely across the spring months, with sites across the Chesapeake Bay watershed experiencing one of the warmest months of March on record, followed by one of the coldest months of April on record.  The southeastern portion of the Mid-Atlantic region experienced drier conditions than normal, while the northwestern portion of the region experienced up to 150 percent of normal precipitation.