Drought Information Statement
Issued by NWS Sterling, VA

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000 AXUS71 KLWX 081414 DGTLWX DCC001-MDC027-031-033-VAC013-059-061-107-153-179-510-600-610-683- 685-101415- Drought Information Statement National Weather Service Baltimore MD/Washington DC 914 AM EST Thu Mar 8 2018 ...DROUGHT CONDITIONS CONTINUE TO IMPROVE... SYNOPSIS... As of March 6th 2018, the U.S. Drought Monitor designations remain nearly unchanged from mid-February. D1 (Moderate Drought) conditions are still designated only for a small -- but significant -- portion of the area, including the District of Columbia, parts of Howard, Montgomery, and Prince Georges Counties in Maryland, and parts of Fauquier, Stafford, Prince William, Loudoun, and Fairfax Counties in Virginia, as well as all of Arlington County and the cities of Manassas, Manassas Park, Falls Church, Fairfax, and Alexandria. Most of the rest of the area east of the Blue Ridge and Catoctin Mountains is still designated as D0 (Abnormally Dry), including the city of Baltimore. This also includes the cities of Harrisonburg, Waynesboro, and Staunton west of the Blue Ridge. SUMMARY OF IMPACTS... State and Local Declarations: A Drought Watch has been declared by the Virginia Department of Environmental Quality (DEQ) for all of northern Virginia, except for King George County, Highland County, and communities whose water supplies come from the Potomac River or Occoquan Reservoir. A Drought Watch has been recommended for Highland County but has not yet been declared. A Drought Watch has also been declared by the Maryland Department of the Environment (MDE) for its Central and Southern regions, which include Frederick, Carroll, Harford, Charles, Calvert, and Saint Mary`s Counties, as well as portions of Montgomery, Howard, Anne Arundel, Prince George`s, and Baltimore Counties that are not serviced by WSSC or Baltimore City water systems. Both of these declarations date back to before the recent rainfall. No other state or local declarations are known as of the time of this statement. Hydrologic Impacts: Soil moisture has improved, and is now near normal in most of the area, although it has fallen back below normal south of Washington DC. Groundwater levels have also made a significant recovery. While they are still below normal in northern Virginia, a notable move has occurred in the groundwater wells there also. CLIMATE SUMMARY... Our wet pattern of recent weeks has done an excellent job of eliminating short term precipitation deficits. Rainfall in the last 30 days is near to above normal; 60 days is near to above normal; and 90 days is near to below normal. It is these deficits from the late summer and autumn that are still a concern; however, as long as we do not have another long dry stretch this spring, concerns are decreasing. PRECIPITATION/TEMPERATURE OUTLOOK... We are currently in a bit of a drier pattern, with total liquid equivalent precipitation of around a half inch expected through March 15th. The 90 day outlook from the Climate Prediction Center favors above normal precipitation through the end of May. HYDROLOGIC SUMMARY AND OUTLOOK... Streamflows are generally near normal in Maryland and West Virginia and below normal in Virginia and DC. Streamflows are likely to decrease a bit in the short term, given the drier pattern. Groundwater and soil moisture are also likely to show some decrease. However, the longer range outlook implies all of these will show improvement later in the spring. The Drought Outlook calls for continued improvement overall. NEXT ISSUANCE DATE... With only D1 (Moderate Drought) conditions remaining in the region, this statement will be issued on a periodic basis. The next scheduled issuance of this statement will be Thursday, April 5th. If conditions change significantly before then, the statement will be updated as needed. && RELATED WEB SITES... Additional information on current drought conditions may be found at the following web addresses... US Drought Monitor...http://www.droughtmonitor.unl.edu NWS Drought Page...http://www.nws.noaa.gov/om/drought Climate Prediction Center (CPC)...http://www.cpc.ncep.noaa.gov ADDITIONAL RIVER INFORMATION... National Weather Service...http://water.weather.gov US Geological Survey...http://water.usgs.gov ACKNOWLEDGMENTS... The drought monitor is a multi-agency effort involving NOAA`s National Weather Service and National Climatic Data Center, the USDA, state and regional center climatologists, and the National Drought Mitigation Center. Information for this statement has been gathered from NWS and FAA observation sites, State Cooperative Extension Services, the USDA, USACE, and USGS. QUESTIONS OR COMMENTS... If you have questions or comments about this Drought Information Statement...please contact... National Weather Service 43858 Weather Service Road Sterling, VA 20166 Phone: 703-996-2200 lwxwebmaster@noaa.gov $$

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