Heat Advisory in Baltimore City, Prince Georges, Charles, Baltimore and Anne Arundel counties.
June 18, 2018, 9:42:00 AM to June 18, 2018, 8:00:00 PM

URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 942 AM EDT Mon Jun 18 2018 District of Columbia-Southern Baltimore-Prince Georges- Anne Arundel-Charles-Central and Southeast Montgomery- Central and Southeast Howard- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-Spotsylvania- Including the cities of Washington, Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold, Odenton, St. Charles, Waldorf, Bethesda, Rockville, Gaithersburg, Silver Spring, Columbia, Ellicott City, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falmouth, and Fredericksburg 942 AM EDT Mon Jun 18 2018 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... The National Weather Service in Baltimore MD/Washington has issued a Heat Advisory, which is in effect until 8 PM EDT this evening. * HEAT INDEX VALUES...Up to 105 due to temperatures in the middle 90s and dewpoints in the lower to middle 70s. * IMPACTS...The heat and humidity may cause heat stress during outdoor exertion or extended exposure. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Heat Advisory means that a period of high temperatures is expected. The combination of high temperatures and high humidity will create a situation in which heat illnesses are possible. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency - call 911.

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