* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. A portion of central Pennsylvania, including the following counties, Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon, Perry, Schuylkill and York. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Very heavy rainfall is expected today from numerous, slow- moving thunderstorms. The rain and already wet ground in many locations will cause smaller creeks and streams to flood quickly. - http://www.weather.gov/safety/flood

* WHAT. Flash flooding caused by excessive rainfall is possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Calvert, Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys and Washington, Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Greene, King George, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and Western Loudoun, and panhandle West Virginia, including the following areas, Berkeley, Jefferson and Morgan. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Showers and thunderstorms capable of producing heavy rainfall will move across the area Monday afternoon and evening. Rainfall rates up to 2 inches per hour are possible, which may lead to scattered instances of flash flooding where the heavy rain persist the longest. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Most of Central Pennsylvania, including all areas south and east of I-81. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Very heavy rainfall is expected today from numerous, slow- moving thunderstorms. The rain and already wet ground in many locations will cause creeks and streams to flood quickly. - http://www.weather.gov/safety/flood

Tropical moisture will combine with a slow moving frontal system to produce very heavy rainfall. A mixture of slow moving storms and the potential for multiple rounds of convection will increase the risk of flash flooding. * WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. The District of Columbia, across portions of Maryland, including the following areas, Anne Arundel, Calvert, Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys and Washington, Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Greene, King George, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and Western Loudoun, and panhandle West Virginia, including the following areas, Berkeley, Jefferson and Morgan. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Showers and thunderstorms capable of producing heavy rainfall will move across the area this afternoon and evening. Rainfall rates up to 2 to 3 inches per hour are possible, which may lead to scattered instances of flash flooding where the heavy rain is slower moving and where multiple rounds of storms occurs. Storm total amounts up to 4 to 6 inches are possible where this occurs. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Calvert, Carroll, Cecil, Central and Eastern Allegany, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Extreme Western Allegany, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys and Washington, Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Greene, King George, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan and Western Mineral. * WHEN. Until midnight EDT tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Showers and thunderstorms capable of producing heavy rainfall will continue to move across the area Monday evening. Rainfall rates up to 2 inches per hour are possible, which may lead to scattered instances of flash flooding where the heavy rain persists the longest. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Most of Central Pennsylvania. * WHEN. From 2 PM EDT this afternoon through this evening. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Very heavy rainfall is expected today from numerous, slow- moving thunderstorms. The rain and already wet ground in many locations will cause creeks and streams to flood quickly. - http://www.weather.gov/safety/flood

Tropical moisture will combine with a slow moving frontal system to produce very heavy rainfall. A mixture of slow moving storms and the potential for multiple rounds of convection will increase the risk of flash flooding. * WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Anne Arundel, Calvert, Carroll, Cecil, Central and Eastern Allegany, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Extreme Western Allegany, Frederick MD, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford, Southern Baltimore, St. Marys and Washington, Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Augusta, Central Virginia Blue Ridge, Central and Southeast Prince William/Manassas/Manassas Park, Clarke, Culpeper, Eastern Loudoun, Fairfax, Frederick VA, Greene, King George, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Northwest Prince William, Orange, Page, Rappahannock, Rockingham, Shenandoah, Southern Fauquier, Spotsylvania, Stafford, Warren and Western Loudoun, and West Virginia, including the following areas, Berkeley, Eastern Mineral, Hampshire, Hardy, Jefferson, Morgan and Western Mineral. * WHEN. Until midnight EDT tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Showers and thunderstorms producing heavy rainfall continue to move across the area through this evening. Rainfall rates up to 2 to 3 inches per hour are likely, that could lead to scattered instances of flash flooding. This is most likely in areas that see multiple rounds of storms, and that could see storm total rain amounts of 4 to 6 inches. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of Maryland, including the following areas, Anne Arundel, Calvert, Cecil, Charles, Prince Georges and St. Marys and Virginia, including the following areas, Albemarle, King George, Nelson, Orange, Spotsylvania and Stafford. * WHEN. Until midnight EDT tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Showers and thunderstorms producing heavy rainfall continue to move across the area through this evening. Rainfall rates up to 2 to 3 inches per hour are likely, that could lead to scattered instances of flash flooding. This is most likely in areas that see multiple rounds of storms, and that could see storm total rain amounts of 4 to 6 inches. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flash flooding caused by excessive rainfall continues to be possible. * WHERE. A portion of southern Maryland, including the following areas, Calvert and St. Marys. * WHEN. Until midnight EDT tonight. * IMPACTS. Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS. - Thunderstorms moving across Southern Maryland this evening will produce an additional 1 to 3 inches of rainfall. This could lead to scattered instances of flash flooding. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Urban area and small stream flooding caused by excessive rainfall continues. * WHERE. A portion of DC, including the following , District of Columbia. * WHEN. Until midnight EDT tonight. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS. - At 952 PM EDT, gauge reports indicated flooding was ongoing on Rock Creek. Between 2.5 and 3 inches of rain have fallen earlier this evening. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include. Adams Morgan. National Zoo. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of northern Virginia, including the following county, Fairfax. * WHEN. Until 100 AM EDT Tuesday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS. - At 700 PM EDT, The stream gauge on Acccotink Creek near Strathmeade Springs is about to go into flood stage following heavy rain earlier this afternoon. Flooding is ongoing or expected to begin shortly in the warned area. Between 1.5 and 2 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include. Annandale. Mantua. Merrifield. Ravensworth. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information