Alert archive / Virginia / Wind Advisories in 2024

Wind Advisory 4, NWS Baltimore/Washington

January 12, 202415 counties in Virginia; 12 counties in Maryland; 8 counties in West Virginia

NWS Baltimore/Washington issued this wind advisory at Jan 12, 2024, 2:24 AM EST for 15 counties in Virginia; 12 counties in Maryland; 8 counties in West Virginia. It took effect at Jan 13, 2024, 2:00 AM EST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jan 12, 2024, 2:24 AM EST (07:24 UTC)
In effect from
Jan 13, 2024, 2:00 AM EST
Expired
Jan 13, 2024, 5:00 PM EST
In force
15 hr
Issued by
NWS Baltimore/Washington
All 35 counties

Allegany County, MD, Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Montgomery 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 Winchester, VA, Clarke County, VA, Fairfax County, VA, Fauquier County, VA, Frederick County, VA, Loudoun County, VA, Page County, VA, Prince William County, VA, Rappahannock 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), 25 km from the middle of the area, began a volume at 07:25 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, 7.4 hours before the alert went out and 33 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 2024-01-12Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 00:00Z on 2024-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.1939587897117136Sfc1 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
1949 m above ground
0-6 km bulk shear
92 kt
0-1 km storm-relative helicity
152 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 2:27 AM ESTSmall Craft AdvisoryLWX16 hr
Jan 12, 4:16 AM ESTCoastal Flood AdvisoryLWXArlington, King George, City of Alexandria, City of Falls Church44 hr
Jan 12, 4:16 AM ESTCoastal Flood WarningLWXAnne Arundel, Saint Mary's31 hr

Nearby

Wind Advisories in Virginia, 2024Wind Advisories in Maryland, 2024Wind Advisories in West Virginia, 2024Every wind advisory in 2024

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.