Alert archive / Virginia / Wind Advisories in 2006

Wind Advisory 4, NWS Baltimore/Washington

February 16, 200619 counties in Virginia; 7 counties in Maryland; 5 counties in West Virginia

NWS Baltimore/Washington issued this wind advisory at Feb 16, 2006, 3:28 PM EST for 19 counties in Virginia; 7 counties in Maryland; 5 counties in West Virginia. It took effect at Feb 17, 2006, 3:00 AM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Feb 16, 2006, 3:28 PM EST (20:28 UTC)
In effect from: Feb 17, 2006, 3:00 AM EST
Expired: Feb 17, 2006, 3:00 PM EST
In force: 12 hr
Issued by: NWS Baltimore/Washington

All 31 counties

Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, City of Baltimore, MD, Frederick County, MD, Prince George's County, MD, Washington County, MD, Arlington 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, Frederick County, VA, Greene County, VA, Madison County, VA, Page County, VA, Rappahannock County, VA, Rockingham County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Morgan County, WV

The radar

The Sterling radar (KLWX), 35 km from the middle of the area, began a volume at 20:32 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.5 hours before the alert went out and 165 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: 1996 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 195 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 Feb 16, 3:18 PM EST, 10 minutes earlier.

Area forecast discussion, Feb 16, 3:18 PM EST, 10 minutes before

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Hazardous weather outlook, Feb 16, 10:50 AM EST, 4 hours 38 minutes before

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In the hours before

Special weather statement, Feb 16, 11:27 AM EST, 4 hours 1 minute before

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Nearby

Wind Advisories in Virginia, 2006 Wind Advisories in Maryland, 2006 Wind Advisories in West Virginia, 2006 Every wind advisory in 2006

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.