Special Weather Statement issued June 15 at 8:14PM EDT by NWS Baltimore MD/Washington DC
Traffic cameras across the Alleghenies continue to show areas of significant reductions in visibility, especially on the eastern slops. Although many of the roads show good visibility, expect rapid reductions while traveling on eastern facing ridges. As the night goes on, the patchy fog may worsen and make travel more difficult. Will monitor the need for any Dense Fog Advisories overnight. Please maintain a safe distance from the vehicle in front and obey local speed limits.
Flash Flood Warning issued June 14 at 10:32PM EDT until June 15 at 1:45AM EDT by NWS Baltimore MD/Washington DC
FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... North Central Culpeper County in northern Virginia... Southeastern Fauquier County in northern Virginia... * Until 145 AM EDT. * At 1032 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and
Flood Watch issued June 14 at 12:28PM EDT until June 14 at 11:00PM EDT by NWS Baltimore MD/Washington DC
* 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
Flood Watch issued June 13 at 4:03PM EDT until June 14 at 2:00AM EDT by NWS Baltimore MD/Washington DC
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...DC, and portions of Maryland, including the following areas, Central and Southeast Montgomery, Charles, Prince Georges and St. Marys, and Virginia, including the following areas, Albemarle, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Culpeper, Fairfax, Greene, King George, Madison, Orange, Southern Fauquier, Spotsylvania and Stafford. * WHEN...Until 2 AM EDT Saturday. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and thunderstorms will increase in coverage through this evening. Some thunderstorms will contain heavy
Air Quality Alert issued June 12 at 5:34PM EDT by NWS Baltimore MD/Washington DC
Maryland Department of the Environment has issued a Code Orange Air Quality Action Day for Ground Level Ozone for the Suburban DC region until midnight. An Air Quality Action Day 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
Air Quality Alert issued June 11 at 5:05PM EDT by NWS Baltimore MD/Washington DC
Maryland Department of the Environment has issued a Code Orange Air Quality Action Day for Ground Level Ozone for the Metro Baltimore region on Thursday. An Air Quality Action Day 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
Tornado Watch issued June 8 at 2:26PM EDT until June 8 at 10:00PM EDT by NWS Baltimore MD/Washington DC
THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 392 IN EFFECT UNTIL 10 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THE DISTRICT OF COLUMBIA IN MARYLAND THIS WATCH INCLUDES 9 COUNTIES IN CENTRAL MARYLAND ANNE ARUNDEL HOWARD MONTGOMERY PRINCE GEORGES IN NORTH CENTRAL MARYLAND FREDERICK WASHINGTON IN SOUTHERN MARYLAND CALVERT CHARLES ST. MARYS IN VIRGINIA THIS WATCH INCLUDES 33 COUNTIES IN CENTRAL VIRGINIA ALBEMARLE CITY OF CHARLOTTESVILLE CITY OF FREDERICKSBURG GREENE KING GEORGE NELSON ORANGE SPOTSYLVANIA IN NORTHERN VIRGINIA ARLINGTON CITY OF ALEXANDRIA CITY OF FAIRFAX CITY OF FALLS CHURCH CITY OF MANASSAS CITY OF MANASSAS PARK CULPEPER FAIRFAX
Flood Watch issued June 7 at 7:57PM EDT until June 8 at 10:00PM EDT by NWS Baltimore MD/Washington DC
* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of western Maryland, including the following areas, Eastern Garrett, Extreme Western Allegany and Western Garrett, Virginia, including the following areas, Albemarle, Frederick VA, Greene, Madison, Northern Virginia Blue Ridge, Page, Rappahannock, Rockingham, Shenandoah and Warren, and eastern West Virginia, including the following areas, Eastern Grant, Eastern Mineral, Eastern Pendleton, Hampshire, Hardy, Western Grant, Western Mineral and Western Pendleton. * WHEN...From 7 AM EDT Sunday through Sunday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - -Multiple
Air Quality Alert issued June 4 at 4:40PM EDT by NWS Baltimore MD/Washington DC
The Maryland Department of the Environment has issued a Code ORANGE Air Quality Alert Thursday for Northern Baltimore. 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. For more information on ground-level ozone and fine particles visit the web site mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/index.aspx.
Frost Advisory issued June 1 at 9:21PM EDT until June 2 at 8:00AM EDT by NWS Baltimore MD/Washington DC
* WHAT...Temperatures in the mid 30s will result in frost formation, especially in the valleys. * WHERE...In Maryland, Western Garrett County. In Virginia, Western Highland County. In West Virginia, Western Grant and Western Pendleton Counties. * WHEN...From 1 AM to 8 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.