Alert archive / Virginia / Wind Advisories in 2021

Wind Advisory 2, NWS Baltimore/Washington

February 22, 20218 counties in West Virginia; 25 counties in Virginia; 7 counties in Maryland

NWS Baltimore/Washington issued this wind advisory at Feb 22, 2021, 8:22 PM EST for 8 counties in West Virginia; 25 counties in Virginia; 7 counties in Maryland. It took effect at Feb 23, 2021, 10:09 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 22, 2021, 8:22 PM EST (01:22 UTC)
In effect from
Feb 23, 2021, 10:09 AM EST
Expired
Feb 23, 2021, 6:00 PM EST
In force
8 hr
Issued by
NWS Baltimore/Washington
All 40 counties

Allegany County, MD, Anne Arundel County, MD, Frederick County, MD, Howard County, MD, Montgomery County, MD, Prince George'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, Fairfax County, VA, Frederick County, VA, Greene County, VA, Highland 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, 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), 67 km from the middle of the area, began a volume at 01:23 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 00:00Z, 1.4 hours before the alert went out and 73 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 00:00Z on 2021-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2021-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1104 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

629 
WWUS71 KLWX 230122
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
822 PM EST Mon Feb 22 2021

VAZ507-508-230930-
/O.NEW.KLWX.WI.Y.0002.210223T1700Z-210223T2100Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
822 PM EST Mon Feb 22 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 4 PM EST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Central and Northern Virginia Blue Ridge.

* WHEN...From noon to 4 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MDZ003-WVZ051>053-230930-
/O.NEW.KLWX.WI.Y.0002.210223T1700Z-210223T2100Z/
Washington-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Paw Paw, Martinsburg, 
Charles Town, and Shepherdstown
822 PM EST Mon Feb 22 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 4 PM EST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...In Maryland, Washington County. In West Virginia, 
  Morgan, Berkeley and Jefferson Counties.

* WHEN...From noon to 4 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DCZ001-MDZ004-013-503-504-VAZ053-054-505-506-230930-
/O.NEW.KLWX.WI.Y.0002.210223T1900Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-
Northwest Montgomery-Central and Southeast Montgomery-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, 
Laurel, Camp Springs, Germantown, Damascus, Bethesda, Rockville, 
Gaithersburg, Silver Spring, Reston, Herndon, Annandale, 
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
822 PM EST Mon Feb 22 2021

...WIND ADVISORY IN EFFECT FROM 2 PM TO 6 PM EST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...The District of Columbia, Frederick, Prince Georges, and
  Montgomery Counties in Maryland, and Fairfax, Loudoun and
  Arlington Counties including the cities of Alexandria, Fairfax, 
  and Falls Church in Virginia.

* WHEN...From 2 PM to 6 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DHOF
5 follow-up statements
936 
WWUS71 KLWX 230923
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
423 AM EST Tue Feb 23 2021

VAZ507-508-231730-
/O.CON.KLWX.WI.Y.0002.210223T1700Z-210223T2100Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
423 AM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 PM EST
THIS AFTERNOON...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Central and Northern Virginia Blue Ridge.

* WHEN...From noon to 4 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MDZ003-WVZ051>053-231730-
/O.CON.KLWX.WI.Y.0002.210223T1700Z-210223T2100Z/
Washington-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Paw Paw, Martinsburg, 
Charles Town, and Shepherdstown
423 AM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 4 PM EST
THIS AFTERNOON...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...In Maryland, Washington County. In West Virginia, 
  Morgan, Berkeley and Jefferson Counties.

* WHEN...From noon to 4 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DCZ001-MDZ004-013-503-504-VAZ053-054-505-506-231730-
/O.CON.KLWX.WI.Y.0002.210223T1900Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-
Northwest Montgomery-Central and Southeast Montgomery-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, 
Laurel, Camp Springs, Germantown, Damascus, Bethesda, Rockville, 
Gaithersburg, Silver Spring, Reston, Herndon, Annandale, 
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
423 AM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...The District of Columbia, Frederick, Prince Georges, 
  and Montgomery Counties in Maryland, and Fairfax, Loudoun and 
  Arlington Counties including the cities of Alexandria, 
  Fairfax, and Falls Church in Virginia.

* WHEN...From 2 PM to 6 PM EST Tuesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
035 
WWUS71 KLWX 231509
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
1009 AM EST Tue Feb 23 2021

MDZ501-502-VAZ025>031-503-504-WVZ050-055-501>506-232300-
/O.EXB.KLWX.WI.Y.0002.210223T1509Z-210223T2300Z/
Extreme Western Allegany-Central and Eastern Allegany-Augusta-
Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Western Highland-Eastern Highland-Hampshire-Hardy-Western Grant-
Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton-
Eastern Pendleton-
Including the cities of Frostburg, Cumberland, Staunton, 
Waynesboro, Stuarts Draft, Harrisonburg, Strasburg, Woodstock, 
Mount Jackson, New Market, Winchester, Luray, Shenandoah, 
Stanley, Front Royal, Berryville, Hightown, Monterey, Romney, 
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
1009 AM EST Tue Feb 23 2021

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph.

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

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

VAZ507-508-232300-
/O.EXT.KLWX.WI.Y.0002.210223T1700Z-210223T2300Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
1009 AM EST Tue Feb 23 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...Central and Northern Virginia Blue Ridge.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MDZ003-WVZ051>053-232300-
/O.EXT.KLWX.WI.Y.0002.210223T1509Z-210223T2300Z/
Washington-Morgan-Berkeley-Jefferson-
Including the cities of Hagerstown, Paw Paw, Martinsburg, 
Charles Town, and Shepherdstown
1009 AM EST Tue Feb 23 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph.

* WHERE...In Maryland, Washington County. In West Virginia, 
  Berkeley, Morgan and Jefferson Counties.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DCZ001-MDZ004-013-503-504-VAZ053-054-505-506-232300-
/O.CON.KLWX.WI.Y.0002.210223T1900Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-
Northwest Montgomery-Central and Southeast Montgomery-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, 
Laurel, Camp Springs, Germantown, Damascus, Bethesda, Rockville, 
Gaithersburg, Silver Spring, Reston, Herndon, Annandale, 
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
1009 AM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
6 PM EST THIS EVENING...

* WHAT...West winds 20 to 25 mph with gusts up to 50 mph 
  expected.

* WHERE...In Maryland, Prince Georges, Frederick, and Montgomery
  Counties. The District of Columbia. In Virginia, Arlington, Loudoun
  and Fairfax Counties, and Falls Church and Alexandria.

* WHEN...From 2 PM this afternoon to 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
720 
WWUS71 KLWX 231859
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
159 PM EST Tue Feb 23 2021

VAZ507-508-232300-
/O.CON.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
159 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph.

* WHERE...Central and Northern Virginia Blue Ridge.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MDZ003-501-502-VAZ025>031-503-504-WVZ050>053-055-501>506-232300-
/O.CON.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Washington-Extreme Western Allegany-Central and Eastern Allegany-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Western Highland-Eastern Highland-Hampshire-Morgan-Berkeley-
Jefferson-Hardy-Western Grant-Eastern Grant-Western Mineral-
Eastern Mineral-Western Pendleton-Eastern Pendleton-
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, Hightown, Monterey,
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
159 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 15 to 25 mph with gusts up to 50 mph.

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

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DCZ001-MDZ004-013-503-504-VAZ053-054-505-506-232300-
/O.CON.KLWX.WI.Y.0002.210223T1900Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-
Northwest Montgomery-Central and Southeast Montgomery-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, 
Laurel, Camp Springs, Germantown, Damascus, Bethesda, Rockville, 
Gaithersburg, Silver Spring, Reston, Herndon, Annandale, 
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
159 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Portions of the Washington DC Metropolitan Area.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
510 
WWUS71 KLWX 232018
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
318 PM EST Tue Feb 23 2021

MDZ014-505-506-232300-
/O.EXA.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Anne Arundel-Northwest Howard-Central and Southeast Howard-
Including the cities of Glen Burnie, Annapolis, Severn, 
South Gate, Severna Park, Arnold, Odenton, Lisbon, Columbia, 
and Ellicott City
318 PM EST Tue Feb 23 2021

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Anne Arundel and Howard Counties.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

VAZ507-508-232300-
/O.CON.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
318 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Central and northern Virginia Blue Ridge.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

MDZ003-501-502-VAZ025>031-503-504-WVZ050>053-055-501>506-232300-
/O.CON.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Washington-Extreme Western Allegany-Central and Eastern Allegany-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Western Highland-Eastern Highland-Hampshire-Morgan-Berkeley-
Jefferson-Hardy-Western Grant-Eastern Grant-Western Mineral-
Eastern Mineral-Western Pendleton-Eastern Pendleton-
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, Hightown, Monterey,
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
318 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

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

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DCZ001-MDZ004-013-503-504-VAZ053-054-505-506-232300-
/O.CON.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-
Northwest Montgomery-Central and Southeast Montgomery-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, 
Laurel, Camp Springs, Germantown, Damascus, Bethesda, Rockville, 
Gaithersburg, Silver Spring, Reston, Herndon, Annandale, 
Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria,
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
318 PM EST Tue Feb 23 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...In Maryland, Prince Georges, Frederick and Montgomery
  Counties. The District of Columbia. In Virginia, Loudoun and 
  Fairfax Counties, and Arlington/Falls Church/Alexandria.

* WHEN...Until 6 PM EST this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. A few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

DHOF
407 
WWUS71 KLWX 232237
NPWLWX

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
537 PM EST Tue Feb 23 2021

VAZ507-508-232345-
/O.EXP.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Northern Virginia Blue Ridge-Central Virginia Blue Ridge-
Including the cities of Big Meadows and Wintergreen
537 PM EST Tue Feb 23 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING...

Although it will remain breezy this evening, the wind is beginning
to diminish and gusts greater than 45 MPH are no longer expected
on more than an isolated basis.

$$

MDZ003-501-502-VAZ025>031-503-504-WVZ050>053-055-501>506-232345-
/O.EXP.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
Washington-Extreme Western Allegany-Central and Eastern Allegany-
Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke-
Western Highland-Eastern Highland-Hampshire-Morgan-Berkeley-
Jefferson-Hardy-Western Grant-Eastern Grant-Western Mineral-
Eastern Mineral-Western Pendleton-Eastern Pendleton-
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, Hightown, Monterey,
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
537 PM EST Tue Feb 23 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING...

Although it will remain breezy this evening, the wind is beginning
to diminish and gusts greater than 45 MPH are no longer expected
on more than an isolated basis.

$$

DCZ001-MDZ004-013-014-503>506-VAZ053-054-505-506-232345-
/O.EXP.KLWX.WI.Y.0002.000000T0000Z-210223T2300Z/
District of Columbia-Frederick MD-Prince Georges-Anne Arundel-
Northwest Montgomery-Central and Southeast Montgomery-
Northwest Howard-Central and Southeast Howard-Fairfax-
Arlington/Falls Church/Alexandria-Western Loudoun-Eastern Loudoun-
Including the cities of Washington, Frederick, Ballenger Creek, 
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, Reston, Herndon, Annandale, Centreville, 
Chantilly, McLean, Franconia, Arlington, Alexandria, 
Falls Church, Purcellville, Leesburg, Ashburn, and Sterling
537 PM EST Tue Feb 23 2021

...WIND ADVISORY WILL EXPIRE AT 6 PM EST THIS EVENING...

Although it will remain breezy this evening, the wind is beginning
to diminish and gusts greater than 45 MPH are no longer expected
on more than an isolated basis.

$$

DHOF

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 23, 5:42 PM ESTSmall Craft AdvisoryLWX3 hr
Feb 23, 5:42 PM ESTSmall Craft AdvisoryLWX43 hr

Nearby

Wind Advisories in Virginia, 2021Wind Advisories in West Virginia, 2021Wind Advisories in Maryland, 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.