Alert archive / Virginia / Wind Advisories in 2022

Wind Advisory 9, NWS Baltimore/Washington

March 11, 202228 counties in Virginia; 15 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this wind advisory at Mar 11, 2022, 3:26 PM EST for 28 counties in Virginia; 15 counties in Maryland; 8 counties in West Virginia. It took effect at Mar 12, 2022, 12:00 AM EST. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued: Mar 11, 2022, 3:26 PM EST (20:26 UTC)
In effect from: Mar 12, 2022, 12:00 AM EST
Expired: Mar 13, 2022, 1:00 AM EST
In force: 25 hr
Issued by: NWS Baltimore/Washington

All 51 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, 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 20:31 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

Roanoke, VA (KRNK), launched 12:00Z, 8.4 hours before the alert went out and 228 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1177 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this wind advisory went out at Mar 11, 10:53 AM EST, 4 hours 33 minutes earlier.

Area forecast discussion, Mar 11, 10:53 AM EST, 4 hours 33 minutes before

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Hazardous weather outlook, Mar 11, 5:08 AM EST, 10 hours 18 minutes before

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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 11, 3:47 AM EST	Gale Warning	LWX		50 hr
Mar 11, 3:57 AM EST	Winter Storm Warning	LWX	Clarke, Fauquier, Frederick, Greene, Highland, Loudoun and 7 more	45 hr
Mar 11, 3:57 AM EST	Winter Weather Advisory	LWX	Albemarle, Amherst, Arlington, Augusta, Clarke, Culpeper and 24 more	35 hr

Nearby

Wind Advisories in Virginia, 2022 Wind Advisories in Maryland, 2022 Wind Advisories in West Virginia, 2022 Every wind advisory in 2022

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.