Alert archive / Virginia / Wind Advisories in 2021
Wind Advisory 15, NWS Baltimore/Washington
NWS Baltimore/Washington issued this wind advisory at Dec 10, 2021, 10:48 AM EST for 8 counties in West Virginia; 15 counties in Maryland; 29 counties in Virginia. It took effect at Dec 11, 2021, 10:00 AM EST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Dec 10, 2021, 10:48 AM EST (15:48 UTC)
- In effect from
- Dec 11, 2021, 10:00 AM EST
- Expired
- Dec 12, 2021, 12:55 AM EST
- In force
- 15 hr
- Issued by
- NWS Baltimore/Washington
All 52 counties
Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Carroll County, MD, Cecil County, MD, Charles County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Montgomery County, MD, Prince George's County, MD, Saint Mary's County, MD, Washington County, MD, Albemarle County, VA, Amherst County, VA, Arlington County, VA, Augusta County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Harrisonburg, VA, City of Staunton, VA, City of Waynesboro, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Greene County, VA, Highland County, VA, King George County, VA, Loudoun County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rappahannock County, VA, Rockbridge County, VA, Rockingham County, VA, Shenandoah County, VA, Stafford County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV
The radar
The Sterling radar (KLWX), 41 km from the middle of the area, began a volume at 15:46 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 3.8 hours before the alert went out and 48 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1215 m above ground
- 0-6 km bulk shear
- 64 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
544 WWUS71 KLWX 101548 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1048 AM EST Fri Dec 10 2021 MDZ003-004-502-WVZ051-052-502-504-110000- /O.UPG.KLWX.HW.A.0004.211211T2100Z-211212T0300Z/ /O.NEW.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ Washington-Frederick MD-Central and Eastern Allegany-Morgan- Berkeley-Eastern Grant-Eastern Mineral- Including the cities of Hagerstown, Frederick, Ballenger Creek, Cumberland, Paw Paw, Martinsburg, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 1048 AM EST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...West winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...In Maryland, Washington, Frederick MD and Central and Eastern Allegany Counties. In West Virginia, Morgan, Berkeley, Eastern Grant and Eastern Mineral Counties. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The highest gusts are most likely between 6 pm and Midnight this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DCZ001-MDZ005-006-008-011-013-014-503>508-VAZ026>031-038>040- 051>054-501-502-504>508-WVZ050-053-055-506-110000- /O.NEW.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Carroll-Northern Baltimore-Cecil- Southern Baltimore-Prince Georges-Anne Arundel- Northwest Montgomery-Central and Southeast Montgomery- Northwest Howard-Central and Southeast Howard-Northwest Harford- Southeast Harford-Rockingham-Shenandoah-Frederick VA-Page-Warren- Clarke-Greene-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Eastern Highland-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Hampshire-Jefferson-Hardy- Eastern Pendleton- Including the cities of Washington, 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, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Warrenton, Turnbull, Monterey, Purcellville, Leesburg, Ashburn, Sterling, Big Meadows, Wintergreen, Romney, Charles Town, Shepherdstown, Moorefield, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 1048 AM EST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...West winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of The District of Columbia, central, north central, northeast and northern Maryland, central, northern, northwest and western Virginia and eastern and panhandle West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The highest gusts are most likely between 6 pm and Midnight this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-WVZ501-503-505-110000- /O.EXT.KLWX.HW.A.0004.211211T2100Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland-Western Grant- Western Mineral-Western Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Bayard, Mount Storm, Elk Garden, and Riverton 1048 AM EST Fri Dec 10 2021 ...HIGH WIND WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...West winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant and Western Pendleton Counties. * WHEN...From Saturday afternoon through late Saturday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
7 follow-up statements
580 WWUS71 KLWX 101617 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1117 AM EST Fri Dec 10 2021 DCZ001-MDZ003>006-008-011-013-014-502>508-VAZ026>031-038>040- 051>054-501-502-504>508-WVZ050>053-055-502-504-506-110030- /O.CON.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Greene- Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Eastern Highland-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson- Hardy-Eastern Grant-Eastern Mineral-Eastern Pendleton- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Warrenton, Turnbull, Monterey, Purcellville, Leesburg, Ashburn, Sterling, Big Meadows, Wintergreen, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, Fort Ashby, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 1117 AM EST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...West winds 15 to 25 mph with gusts up to 55 mph expected. * WHERE...Portions of The District of Columbia, central, north central, northeast, northern and western Maryland, central, northern, northwest and western Virginia and eastern and panhandle West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The highest gusts are most likely between 6 pm and Midnight Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-WVZ501-503-505-110030- /O.CON.KLWX.HW.A.0004.211211T2100Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland-Western Grant- Western Mineral-Western Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Bayard, Mount Storm, Elk Garden, and Riverton 1117 AM EST Fri Dec 10 2021 ...HIGH WIND WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...West winds 20 to 30 mph with gusts up to 60 mph possible. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant and Western Pendleton Counties. * WHEN...From Saturday afternoon through late Saturday night. * IMPACTS...Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Fasten loose objects or shelter objects in a safe location prior to the onset of winds. && $$
258 WWUS71 KLWX 102031 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 331 PM EST Fri Dec 10 2021 MDZ001-501-VAZ503-WVZ501-503-505-110445- /O.UPG.KLWX.HW.A.0004.211211T2100Z-211212T0600Z/ /O.EXB.KLWX.WI.Y.0015.211211T1700Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland-Western Grant- Western Mineral-Western Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Bayard, Mount Storm, Elk Garden, and Riverton 331 PM EST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY... * WHAT...South winds Saturday becoming west by late Saturday afternoon 25 to 35 mph with gusts up to 55 mph. * WHERE...In Maryland, Garrett and Extreme Western Allegany Counties. In Virginia, Western Highland County. In West Virginia, Western Grant, Western Mineral and Western Pendleton Counties. * WHEN...From noon Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Wind gusts of around 60 mph are possible for elevations above 3500 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DCZ001-MDZ003>006-008-011-013-014-502>508-VAZ026>031-038>040- 051>054-501-502-504>508-WVZ050>053-055-502-504-506-110445- /O.CON.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Greene- Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Eastern Highland-Western Loudoun- Eastern Loudoun-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Hampshire-Morgan-Berkeley-Jefferson- Hardy-Eastern Grant-Eastern Mineral-Eastern Pendleton- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Warrenton, Turnbull, Monterey, Purcellville, Leesburg, Ashburn, Sterling, Big Meadows, Wintergreen, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, Fort Ashby, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 331 PM EST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...The District of Columbia, much of northern and central Maryland, northern and northwestern Virginia, and eastern West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds are most likely between 6pm and midnight Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DHOF
885 WWUS71 KLWX 110217 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 917 PM EST Fri Dec 10 2021 MDZ016>018-VAZ025-055-057-111030- /O.EXA.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ Charles-St. Marys-Calvert-Augusta-Stafford-King George- Including the cities of St. Charles, Waldorf, Lexington Park, California, Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby, Prince Frederick, Staunton, Waynesboro, Stuarts Draft, Falmouth, and Dahlgren 917 PM EST Fri Dec 10 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...Southwest winds 15 to 30 mph with occasional gusts to around 45 mph Saturday afternoon, shifting to west and northwest and increasing to 20 to 35 mph with gusts to around 50 mph Saturday evening. * WHERE...In Maryland, Charles, Saint Mary's, and Calvert Counties. In Virginia, Augusta, Stafford, and King George Counties. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...The strongest winds are most likely Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ VAZ504-507-508-WVZ506-111030- /O.EXT.KLWX.WI.Y.0015.211211T1700Z-211212T0600Z/ Eastern Highland-Northern Virginia Blue Ridge- Central Virginia Blue Ridge-Eastern Pendleton- Including the cities of Monterey, Big Meadows, Wintergreen, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 917 PM EST Fri Dec 10 2021 ...WIND ADVISORY NOW IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton County. * WHEN...From noon Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DCZ001-MDZ003>006-008-011-013-014-502>508-VAZ026>031-038>040- 051>054-501-502-505-506-WVZ050>053-055-502-504-111030- /O.CON.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-Greene- Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Northern Fauquier- Southern Fauquier-Western Loudoun-Eastern Loudoun-Hampshire- Morgan-Berkeley-Jefferson-Hardy-Eastern Grant-Eastern Mineral- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 917 PM EST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM SATURDAY TO 1 AM EST SUNDAY... * WHAT...South winds 15 to 30 mph with occasional gusts to around 45 mph late Saturday afternoon, shifting to west and northwest and increasing to 25 to 35 mph with gusts up to 55 mph Saturday evening. * WHERE...The District of Columbia, portions of central and northern Maryland, northern and northwestern Virginia, and eastern West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...The strongest winds are most likely Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-WVZ501-503-505-111030- /O.CON.KLWX.WI.Y.0015.211211T1700Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland-Western Grant- Western Mineral-Western Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Bayard, Mount Storm, Elk Garden, and Riverton 917 PM EST Fri Dec 10 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM NOON SATURDAY TO 1 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant, and Western Pendleton Counties. * WHEN...From noon Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DHOF
132 WWUS71 KLWX 110953 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 453 AM EST Sat Dec 11 2021 VAZ507-508-111800- /O.EXT.KLWX.WI.Y.0015.211211T1500Z-211212T1100Z/ Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Including the cities of Big Meadows and Wintergreen 453 AM EST Sat Dec 11 2021 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton County. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-504-WVZ501-503-505-506-111800- /O.EXT.KLWX.WI.Y.0015.211211T1500Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland- Eastern Highland-Western Grant-Western Mineral-Western Pendleton- Eastern Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Monterey, Bayard, Mount Storm, Elk Garden, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 453 AM EST Sat Dec 11 2021 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM THIS MORNING TO 1 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant, and Western Pendleton Counties. * WHEN...From 10 AM this morning to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ DCZ001-MDZ003>006-008-011-013-014-016>018-502>508-VAZ025>031- 038>040-051>055-057-501-502-505-506-WVZ050>053-055-502-504-111800- /O.CON.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert- Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Greene-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-King George- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Hampshire-Morgan-Berkeley-Jefferson-Hardy- Eastern Grant-Eastern Mineral- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Falmouth, Dahlgren, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 453 AM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST SUNDAY... * WHAT...South winds 15 to 30 mph with occasional gusts to around 45 mph late Saturday afternoon, shifting to west and northwest and increasing to 25 to 35 mph with gusts up to 55 mph Saturday evening. * WHERE...The District of Columbia, portions of central and northern Maryland, northern and northwestern Virginia, and eastern West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...The strongest winds are most likely Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
953 WWUS71 KLWX 111731 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1231 PM EST Sat Dec 11 2021 DCZ001-MDZ003>006-008-011-013-014-016>018-502>508-VAZ025>031- 038>040-051>055-057-501-502-505-506-WVZ050>053-055-502-504-120145- /O.CON.KLWX.WI.Y.0015.211211T2100Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert- Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Greene-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-King George- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Hampshire-Morgan-Berkeley-Jefferson-Hardy- Eastern Grant-Eastern Mineral- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Falmouth, Dahlgren, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 1231 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 1 AM EST SUNDAY... * WHAT...South winds 15 to 30 mph with occasional gusts to around 45 mph late Saturday afternoon, shifting to west and northwest and increasing to 25 to 35 mph with gusts up to 55 mph Saturday evening. * WHERE...The District of Columbia, portions of central and northern Maryland, northern and northwestern Virginia, and eastern West Virginia. * WHEN...From 4 PM Saturday to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...The strongest winds are most likely Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ VAZ507-508-120145- /O.CON.KLWX.WI.Y.0015.000000T0000Z-211212T1100Z/ Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Including the cities of Big Meadows and Wintergreen 1231 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton County. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-504-WVZ501-503-505-506-120145- /O.CON.KLWX.WI.Y.0015.000000T0000Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland- Eastern Highland-Western Grant-Western Mineral-Western Pendleton- Eastern Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Monterey, Bayard, Mount Storm, Elk Garden, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 1231 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SUNDAY... * WHAT...South winds 20 to 35 mph with gusts up to 55 mph Saturday midday through mid afternoon, shifting to west and northwest Saturday late afternoon and evening. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant, and Western Pendleton Counties. * WHEN...From 10 AM this morning to 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down. A few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
589 WWUS71 KLWX 120135 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 835 PM EST Sat Dec 11 2021 DCZ001-MDZ003>006-008-011-013-014-016>018-502>508-VAZ025>031- 038>040-051>055-057-501-502-505-506-WVZ050>053-055-502-504-120600- /O.CON.KLWX.WI.Y.0015.000000T0000Z-211212T0600Z/ District of Columbia-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert- Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Greene-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-King George- Northern Fauquier-Southern Fauquier-Western Loudoun- Eastern Loudoun-Hampshire-Morgan-Berkeley-Jefferson-Hardy- Eastern Grant-Eastern Mineral- 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, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Falmouth, Dahlgren, Warrenton, Turnbull, Purcellville, Leesburg, Ashburn, Sterling, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Petersburg, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, and Fort Ashby 835 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SUNDAY... * WHAT...West northwest winds 25 to 35 mph with gusts up to 50 mph. * WHERE...The District of Columbia, portions of central and northern Maryland, northern and northwestern Virginia, and eastern West Virginia. * WHEN...Until 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will be this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ VAZ507-508-120945- /O.CON.KLWX.WI.Y.0015.000000T0000Z-211212T1100Z/ Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Including the cities of Big Meadows and Wintergreen 835 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...West northwest winds 25 to 35 mph with gusts up to 55 mph. * WHERE...In Virginia, Central Virginia Blue Ridge and Northern Virginia Blue Ridge, and Eastern Highland County. In West Virginia, Eastern Pendleton County. * WHEN...Until 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ MDZ001-501-VAZ503-504-WVZ501-503-505-506-120600- /O.CON.KLWX.WI.Y.0015.000000T0000Z-211212T0600Z/ Garrett-Extreme Western Allegany-Western Highland- Eastern Highland-Western Grant-Western Mineral-Western Pendleton- Eastern Pendleton- Including the cities of Mountain Lake Park, Oakland, Grantsville, Frostburg, Hightown, Monterey, Bayard, Mount Storm, Elk Garden, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 835 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST SUNDAY... * WHAT...West northwest winds 25 to 35 mph with gusts up to 55 mph. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In Virginia, Western Highland County. In West Virginia, Western Mineral, Western Grant, and Western Pendleton Counties. * WHEN...Until 1 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...A few gusts to around 60 mph are possible, especially at elevations above 3000 feet. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
369 WWUS71 KLWX 120555 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1255 AM EST Sun Dec 12 2021 VAZ507-508-120700- /O.CAN.KLWX.WI.Y.0015.000000T0000Z-211212T1100Z/ Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Including the cities of Big Meadows and Wintergreen 1255 AM EST Sun Dec 12 2021 ...WIND ADVISORY IS CANCELLED... Wind gusts continue to diminish. $$ DCZ001-MDZ001-003>006-008-011-013-014-016>018-501>508-VAZ025>031- 038>040-051>055-057-501>506-WVZ050>053-055-501>506-120700- /O.CAN.KLWX.WI.Y.0015.000000T0000Z-211212T0600Z/ District of Columbia-Garrett-Washington-Frederick MD-Carroll- Northern Baltimore-Cecil-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert-Extreme Western Allegany- Central and Eastern Allegany-Northwest Montgomery- Central and Southeast Montgomery-Northwest Howard- Central and Southeast Howard-Northwest Harford-Southeast Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Greene-Madison-Rappahannock-Culpeper- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-King George- Northern Fauquier-Southern Fauquier-Western Highland- Eastern Highland-Western Loudoun-Eastern Loudoun-Hampshire-Morgan- Berkeley-Jefferson-Hardy-Western Grant-Eastern Grant- Western Mineral-Eastern Mineral-Western Pendleton- Eastern Pendleton- Including the cities of Washington, Mountain Lake Park, Oakland, Grantsville, 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, Frostburg, Cumberland, Germantown, Damascus, Bethesda, Rockville, Gaithersburg, Silver Spring, Lisbon, Columbia, Ellicott City, Jarrettsville, Aberdeen, Staunton, Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, Woodstock, Mount Jackson, New Market, Winchester, Luray, Shenandoah, Stanley, Front Royal, Berryville, Stanardsville, Madison, Culpeper, Dale City, Manassas, Woodbridge, Lake Ridge, Montclair, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Falmouth, Dahlgren, Warrenton, Turnbull, Hightown, Monterey, Purcellville, Leesburg, Ashburn, Sterling, Romney, Paw Paw, Martinsburg, Charles Town, Shepherdstown, Moorefield, Bayard, Mount Storm, Petersburg, Elk Garden, Antioch, Keyser, New Creek, Ridgeville, Russelldale, Headsville, Fort Ashby, Riverton, Brandywine, Franklin, Oak Flat, Ruddle, and Sugar Grove 1255 AM EST Sun Dec 12 2021 ...WIND ADVISORY IS CANCELLED... Wind gusts continue to diminish. $$
The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:30 AM EST | High Wind Watch | LWX | Berkeley, Grant, Mineral, Morgan, Pendleton | 12 hr |
| Dec 10, 3:24 AM EST | Gale Warning | LWX | 49 hr | |
| Dec 10, 3:24 AM EST | Small Craft Advisory | LWX | 27 hr |
Nearby
Wind Advisories in Virginia, 2021Wind Advisories in Maryland, 2021Wind Advisories in West Virginia, 2021Every wind advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.