Alert archive / Virginia / Wind Chill Warnings in 2022

Wind Chill Warning 1, NWS Baltimore/Washington

December 22, 202212 counties in Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia

NWS Baltimore/Washington issued this wind chill warning at Dec 22, 2022, 2:55 PM EST for 12 counties in Virginia; Allegany County, Maryland; Grant County, Mineral County, Pendleton County, West Virginia. It took effect at Dec 23, 2022, 6:00 AM EST. It was in force for 54 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 22, 2022, 2:55 PM EST (19:55 UTC)
In effect from: Dec 23, 2022, 6:00 AM EST
Expired: Dec 25, 2022, 12:00 PM EST
In force: 54 hr
Issued by: NWS Baltimore/Washington

Counties Allegany County, MD, Albemarle County, VA, Amherst County, VA, Augusta County, VA, Greene County, VA, Highland County, VA, Madison County, VA, Nelson County, VA, Page County, VA, Rappahannock County, VA, Rockbridge County, VA, Rockingham County, VA, Warren County, VA, Grant County, WV, Mineral County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 128 km from the middle of the area, began a volume at 19:56 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, 7.9 hours before the alert went out and 156 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: 483 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 552 m²/s²
0-3 km storm-relative helicity: 1121 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 chill warning 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 chill warning went out at Dec 22, 10:03 AM EST, 4 hours 52 minutes earlier.

Area forecast discussion, Dec 22, 10:03 AM EST, 4 hours 52 minutes before

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Hazardous weather outlook, Dec 22, 12:43 PM EST, 2 hours 12 minutes before

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In the hours before

Local storm report, Dec 22, 12:56 PM EST, 1 hour 59 minutes before

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Local storm report, Dec 22, 12:57 PM EST, 1 hour 58 minutes before

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Local storm report, Dec 22, 12:59 PM EST, 1 hour 56 minutes before

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Local storm report, Dec 22, 1:00 PM EST, 1 hour 55 minutes before

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Local storm report, Dec 22, 1:02 PM EST, 1 hour 53 minutes before

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Local storm report, Dec 22, 1:46 PM EST, 1 hour 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 22, 1:09 AM EST	Gale Warning	LWX		52 hr
Dec 22, 2:30 AM EST	High Wind Watch	LWX	Albemarle, Amherst, Augusta, Greene, Highland, Madison and 6 more	10 hr
Dec 22, 12:37 PM EST	High Wind Warning	LWX	Albemarle, Amherst, Augusta, Greene, Highland, Madison and 6 more	39 hr
Dec 22, 12:37 PM EST	Wind Advisory	LWX	Arlington, Clarke, Culpeper, Fairfax, Fauquier, Frederick and 22 more	29 hr
Dec 22, 12:51 PM EST	Winter Weather Advisory	LWX	Highland	29 hr
Dec 22, 12:52 PM EST	Heavy Freezing Spray Advisory	LWX		48 hr
Dec 22, 2:05 PM EST	Coastal Flood Advisory	LWX	Arlington, King George, City of Alexandria, City of Falls Church	27 hr
Dec 22, 2:55 PM EST	Wind Chill Advisory	LWX	Albemarle, Amherst, Arlington, Augusta, Clarke, Culpeper and 27 more	67 hr

Nearby

Wind Chill Warnings in Virginia, 2022 Wind Chill Warnings in West Virginia, 2022 Wind Chill Warnings in Maryland, 2022 Every wind chill warning 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.