* WHAT. Flooding caused by excessive rainfall is possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Calvert, Central and Southeast Montgomery, Charles, Prince Georges and St. Marys, and 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. * 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. - Showers and thunderstorms will increase in coverage through this afternoon and evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of Maryland, including the following areas, Anne Arundel, Carroll, Central and Southeast Howard, Frederick MD, Northwest Howard, Northwest Montgomery and Washington and panhandle West Virginia, including the following area, Jefferson. * 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. - Showers and thunderstorms will increase in coverage through this afternoon and evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Calvert, Central and Southeast Montgomery, Charles, Prince Georges and St. Marys, and 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. * 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. - Showers and thunderstorms will increase in coverage through this afternoon and evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

Maryland Department of the Environment has issued a Code Orange Air Quality Alert for Ground Level Ozone for the Northern Baltimore region until midnight EDT tonight. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx

Maryland Department of the Environment has issued a Code Orange Air Quality Alert for Fine Particulates for the Metro Baltimore region until midnight EDT tonight. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. An Air Quality Alert means that Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at: www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx

* WHAT. Flooding caused by excessive rainfall continues to be possible. * WHERE. Portions of western Maryland, including the following area, Central and Eastern Allegany and panhandle West Virginia, including the following areas, Berkeley and Morgan. * WHEN. Until 11 PM EDT 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. - Showers and thunderstorms will increase in coverage through this afternoon and evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

* WHAT. 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, Central and Southeast Howard, Central and Southeast Montgomery, Charles, Frederick MD, Northwest Howard, Northwest Montgomery, Prince Georges, 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 area, Jefferson. * WHEN. Until 11 PM EDT 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. - Showers and thunderstorms will increase in coverage through this afternoon and evening. Some thunderstorms will contain heavy rainfall, with rainfall amounts around 1 to 3 inches possible within an hour or two. Storms may also train over the same areas, causing the possibility for locally higher amounts around to 5 inches of rain within a few hours. Heavy rainfall in a short period of time combining with already saturated soils means that creeks and streams may rapidly rise out of their banks along with the potential for flash flooding in urban areas. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information

Maryland Department of the Environment has issued a Code Orange Air Quality Alert for Fine Particulates for the Metro Baltimore region until midnight EDT tonight. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. An Air Quality Alert means that Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at: www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx