Alert archive / West Virginia / Areal Flood Warnings in 2018

Areal Flood Warning 4, NWS Charleston, WV

January 12, 2018Wood County, West Virginia

NWS Charleston, WV issued this areal flood warning at Jan 12, 2018, 9:32 AM EST for Wood County, West Virginia. It was in force for 3 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: Jan 12, 2018, 9:32 AM EST (14:32 UTC)
Expired: Jan 12, 2018, 12:30 PM EST
In force: 3 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

County Wood County, WV

The radar

The Charleston,WV radar (KRLX), 102 km from the middle of the area, began a volume at 14:34 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

Pittsburgh, PA (KAGC), launched 12:00Z, 2.5 hours before the alert went out and 180 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: 855 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 134 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, WV wrote its last area forecast discussion before this areal flood warning went out at Jan 12, 5:57 AM EST, 3 hours 35 minutes earlier.

Area forecast discussion, Jan 12, 5:57 AM EST, 3 hours 35 minutes before

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Hazardous weather outlook, Jan 12, 4:13 AM EST, 5 hours 19 minutes before

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In the hours before

Local storm report, Jan 12, 5:08 AM EST, 4 hours 24 minutes before

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Local storm report, Jan 12, 5:47 AM EST, 3 hours 45 minutes before

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Special weather statement, Jan 12, 6:20 AM EST, 3 hours 12 minutes before

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Local storm report, Jan 12, 8:48 AM EST, 44 minutes before

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Local storm report, Jan 12, 8:51 AM EST, 41 minutes before

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Local storm report, Jan 12, 8:53 AM EST, 39 minutes before

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The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 12, 2:55 AM EST	Special Weather Statement	RLX	Wood	110 min
Jan 12, 3:40 AM EST	Areal Flood Warning	RLX	Pleasants, Wood	6 hr
Jan 12, 4:35 AM EST	Areal Flood Warning	RLX	Doddridge, Pleasants, Ritchie, Tyler, Wood	5 hr
Jan 12, 6:20 AM EST	Special Weather Statement	RLX	Jackson	3 hr
Jan 12, 9:14 AM EST	Areal Flood Warning	RLX	Tyler	3 hr
Jan 12, 4:05 AM EST	Winter Storm Warning	RLX	Athens, Gallia, Jackson, Lawrence, Meigs, Morgan and 3 more	30 hr
Jan 12, 9:39 AM EST	Areal Flood Warning	RLX	Washington	18 hr

Nearby

Areal Flood Warnings in West Virginia, 2018 Every areal flood warning in 2018

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.