Alert archive / Ohio / Areal Flood Warnings in 2018

Areal Flood Warning 39, NWS Charleston, WV

February 23, 2018Vinton County, Ohio

NWS Charleston, WV issued this areal flood warning at Feb 23, 2018, 2:27 AM EST for Vinton County, Ohio. 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: Feb 23, 2018, 2:27 AM EST (07:27 UTC)
Expired: Feb 25, 2018, 8:15 AM EST
In force: 54 hr
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

County Vinton County, OH

The radar

The Cincinnati radar (KILN), 116 km from the middle of the area, began a volume at 07:30 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.5 hours before the alert went out and 115 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 443 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 228 m²/s²
0-3 km storm-relative helicity: 255 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 Feb 23, 12:59 AM EST, 1 hour 28 minutes earlier.

Area forecast discussion, Feb 23, 12:59 AM EST, 1 hour 28 minutes before

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Hazardous weather outlook, Feb 22, 10:58 AM EST, 15 hours 29 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
Feb 22, 10:43 PM EST	Areal Flood Warning	RLX	Wood	3 hr
Feb 23, 8:17 AM EST	Special Weather Statement	RLX	Mason	58 min
Feb 23, 9:17 AM EST	Special Weather Statement	RLX	Pleasants, Wood	58 min
Feb 23, 2:17 PM EST	Special Weather Statement	RLX	Lincoln	28 min
Feb 23, 2:50 PM EST	Special Weather Statement	RLX	Kanawha	25 min
Feb 22, 11:59 PM EST	Areal Flood Warning	RLX	Meigs	24 hr
Feb 23, 2:42 AM EST	Areal Flood Warning	RLX	Morgan, Washington	24 hr
Feb 23, 2:56 AM EST	Areal Flood Warning	RLX	Washington	24 hr

Nearby

Areal Flood Warnings in Ohio, 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.