Alert archive / Virginia / Winter Storm Warnings in 2014
Winter Storm Warning 5, NWS Baltimore/Washington
NWS Baltimore/Washington issued this winter storm warning at Feb 4, 2014, 4:10 AM EST for 8 counties in Virginia; 5 counties in Maryland; 7 counties in West Virginia. It took effect at Feb 4, 2014, 7:00 PM EST. It was in force for 17 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
- Feb 4, 2014, 4:10 AM EST (09:10 UTC)
- In effect from
- Feb 4, 2014, 7:00 PM EST
- Expired
- Feb 5, 2014, 12:02 PM EST
- In force
- 17 hr
- Issued by
- NWS Baltimore/Washington
Counties Allegany County, MD, Baltimore County, MD, Carroll County, MD, Frederick County, MD, Washington County, MD, City of Winchester, VA, Clarke County, VA, Fauquier County, VA, Frederick County, VA, Page 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
The radar
The Sterling radar (KLWX), 63 km from the middle of the area, began a volume at 09:07 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, 9.2 hours before the alert went out and 71 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 89 kt
- 0-1 km storm-relative helicity
- -104 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Feb 3, 9:41 PM EST, 6 hours 29 minutes earlier.
Area forecast discussion, Feb 3, 9:41 PM EST, 6 hours 29 minutes before
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</html>Hazardous weather outlook, Feb 3, 9:44 PM EST, 6 hours 26 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 4, 4:10 AM EST | Freezing Rain Advisory | LWX | Arlington, Culpeper, Fairfax, Fauquier, Greene, Highland and 15 more | 30 hr |
| Feb 4, 6:14 PM EST | Small Craft Advisory | LWX | 24 hr |
Nearby
Winter Storm Warnings in Virginia, 2014Winter Storm Warnings in West Virginia, 2014Winter Storm Warnings in Maryland, 2014Every winter storm warning in 2014
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.