Heat Advisory Thurs afternoon and evening.
URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
419 AM EDT Wed Aug 11 2021
DCZ001-MDZ003>006-008-011-013-014-016>018-503>508-VAZ031-052>057-
501-502-505-506-WVZ051>053-111730-
/O.CON.KLWX.HT.Y.0004.210811T1600Z-210812T0000Z/
/O.CON.KLWX.EH.A.0001.210812T1600Z-210813T0000Z/
District of Columbia-Washington-Frederick MD-Carroll-
Northern Baltimore-Cecil-Southern Baltimore-Prince Georges-
Anne Arundel-Charles-St. Marys-Calvert-Northwest Montgomery-
Central and Southeast Montgomery-Northwest Howard-
Central and Southeast Howard-Northwest Harford-Southeast Harford-
Clarke-Prince William/Manassas/Manassas Park-Fairfax-
Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-Northern Fauquier-Southern Fauquier-Western Loudoun-
Eastern Loudoun-Morgan-Berkeley-Jefferson-
Including the cities of Washington, Hagerstown, Frederick,
Ballenger Creek, Eldersburg, Westminster, Reisterstown,
Cockeysville, Elkton, 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, Lexington Park, California,
Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby,
Prince Frederick, Germantown, Damascus, Bethesda, Rockville,
Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City,
Jarrettsville, Aberdeen, Berryville, Dale City, Manassas,
Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale,
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Falmouth, Fredericksburg, Dahlgren, Warrenton,
Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Paw Paw,
Martinsburg, Charles Town, and Shepherdstown
419 AM EDT Wed Aug 11 2021
...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
THIS EVENING...
...EXCESSIVE HEAT WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH THURSDAY EVENING...
* WHAT...For the Heat Advisory, heat index values will range
from around 100 degrees west of Interstate 95 to around 105
degrees near and east of Interstate 95. For the Excessive Heat
Watch, dangerously hot conditions are possible with heat
indices possibly ranging from around 105 degrees west of
Interstate 95 to around 110 degrees near and east of
Interstate 95.
* WHERE...The Washington, Baltimore, and Fredericksburg areas,
central and southern Maryland, northern Virginia, and the
eastern panhandle of West Virginia.
* WHEN...For the Heat Advisory, from noon today to 8 PM EDT this
evening. For the Excessive Heat Watch, from Thursday afternoon
through Thursday evening.
* IMPACTS...Extreme heat and humidity will significantly
increase the potential for heat related illnesses,
particularly for those working or participating in outdoor
activities.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the latest forecasts and warnings for updates on this
situation. Be prepared to drink plenty of fluids, stay in an air-
conditioned room, stay out of the sun, and check up on relatives
and neighbors.
Young children and pets should never be left unattended in
vehicles under any circumstances. This is especially true during
warm or hot weather when car interiors can reach lethal
temperatures in a matter of minutes.
By The National Weather Service, Sterling, Va.
