Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Sterling, VA

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370
WWUS71 KLWX 221010
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
610 AM EDT Sat Jun 22 2024

DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ036>040-050-
051-053>057-501-502-505-506-526-527-221815-
/O.CON.KLWX.HT.Y.0002.240622T1500Z-240623T0000Z/
District of Columbia-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-
Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper-
Fairfax-Arlington/Falls Church/Alexandria-Stafford-Spotsylvania-
King George-Northern Fauquier-Southern Fauquier-Western Loudoun-
Eastern Loudoun-Northwest Prince William-
Central and Southeast Prince William/Manassas/Manassas Park-
Including the cities of Washington, 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,
Lovingston, Charlottesville, Stanardsville, Madison, Orange,
Gordonsville, Culpeper, Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Falmouth, Fredericksburg, Dahlgren, Warrenton,
Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Haymarket,
Dale City, Manassas, Woodbridge, Lake Ridge, and Montclair
610 AM EDT Sat Jun 22 2024

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM EDT THIS EVENING...

* WHAT...Heat index values up to 108 expected.

* WHERE...Portions of central,northeast, and southern Maryland,
  The District of Columbia, and central and northern Virginia.

* WHEN...From 11 AM this morning to 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

* ADDITIONAL DETAILS...Oppressive heat and humidity will
  overspread the area today and last into Sunday. Little relief
  from the heat is expected tonight with low temperatures in the
  mid 70s to lower 80s, which will compound heat stress on those
  without air conditioning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

MDZ003-501-502-VAZ025>031-WVZ050>053-055-502>504-221815-
/O.CON.KLWX.HT.Y.0002.240622T1500Z-240623T0000Z/
Washington-Extreme Western Allegany-Central and Eastern Allegany-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Hampshire-Morgan-Berkeley-Jefferson-Hardy-Eastern Grant-
Western Mineral-Eastern Mineral-
Including the cities of Hagerstown, Frostburg, Cumberland,
Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg,
Woodstock, Mount Jackson, New Market, Winchester, Luray,
Shenandoah, Stanley, Front Royal, Berryville, Romney, Paw Paw,
Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg,
Elk Garden, Antioch, Keyser, New Creek, Ridgeville, Russelldale,
Headsville, and Fort Ashby
610 AM EDT Sat Jun 22 2024

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM EDT THIS EVENING...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of north central and western Maryland,
  northwest and western Virginia and eastern West Virginia.

* WHEN...From 11 AM this morning to 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

* ADDITIONAL DETAILS...Oppressive heat and humidity will
  overspread the area today and last into Sunday. Little relief
  from the heat is expected tonight with low temperatures in the
  lower to mid 70s, which will compound heat stress on those
  without air conditioning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$

VAZ504-WVZ506-221815-
/O.CON.KLWX.HT.Y.0002.240622T1500Z-240623T0000Z/
Eastern Highland-Eastern Pendleton-
Including the cities of Monterey, Brandywine, Franklin, Oak Flat,
Ruddle, and Sugar Grove
610 AM EDT Sat Jun 22 2024

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM EDT THIS EVENING...

* WHAT...Heat index values between 95 and 100 and near-record
  highs in the lower to mid 90s expected in the lower elevation
  valleys.

* WHERE...In Virginia, Eastern Highland County. In West
  Virginia, Eastern Pendleton County.

* WHEN...From 11 AM this morning to 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses to occur.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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 lightweight and loose fitting clothing when
possible. 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 9 1 1.

&&

$$