September 16, 2013 - The southern portion of the MARFC service area has not had much rainfall for the month of September with only an inch or less having fallen so far. Over the past 90 days, central Maryland, parts of northern Virginia, and parts of the eastern panhandle of West Virginia are running 1 to 3 inches below average rainfall. The lower Delmarva Peninsula is also 1 to 3 inches below average for rain. Elsewhere, rainfall has been normal to 5 inches above normal.

Current (September 16) streamflow data from the U.S. Geological Survey shows that streamflows are near normal except for the region from the District of Columbia to Baltimore. Here, flows are below normal. Groundwater levels are generally near or above normal.

The weather outlook for the rest of September calls for near or below normal rainfall with near or above normal temperatures. The NWS Climate Prediction Center's 30-day outlook for September calls for near or above normal rainfall and near average temperatures. The 90 day outlook for September through November calls for near normal precipitation and temperatures.

Hurricane season is in its' most active period and tropical systems can bring significant rainfall to the Mid-Atlantic Region. Though there are some systems in the Atlantic Ocean basin, rain from a tropical system is not expected in the near term.

The outlook for water resources across the southern half of the MARFC service area is very good except for central Maryland, especially from DC to Baltimore. Here, rainfall has not been abundant in the past couple of months and the outlook has now been downgraded to good. Overall, water resources and supplies are sufficient to abundant.