Alert archive / Ohio / Flash Flood Warnings in 2022

Flash Flood Warning 109, NWS Charleston, WV

August 29, 2022Perry County, Ohio

NWS Charleston, WV issued this flash flood warning at Aug 29, 2022, 5:12 PM EDT for Perry County, Ohio. It was in force for 63 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 29, 2022, 5:12 PM EDT (21:12 UTC)
Expired: Aug 29, 2022, 6:15 PM EDT
In force: 63 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

County Perry County, OH

The radar

The Cincinnati radar (KILN), 140 km from the middle of the area, began a volume at 21:16 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 12:00Z, 9.2 hours before the alert went out and 138 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: 1502 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 978 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 89 m²/s²
0-3 km storm-relative helicity: 98 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.6

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Aug 29, 2:38 PM EDT, 2 hours 34 minutes earlier.

Area forecast discussion, Aug 29, 2:38 PM EDT, 2 hours 34 minutes before

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Hazardous weather outlook, Aug 29, 4:31 PM EDT, 41 minutes before

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In the hours before

Special weather statement, Aug 29, 3:48 PM EDT, 1 hour 24 minutes before

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Special weather statement, Aug 29, 4:24 PM EDT, 48 minutes before

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Special weather statement, Aug 29, 4:50 PM EDT, 22 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
Aug 29, 7:07 PM EDT	Special Weather Statement	RLX	Randolph	23 min
Aug 29, 7:35 PM EDT	Special Weather Statement	RLX	Barbour	40 min
Aug 29, 3:48 PM EDT	Special Weather Statement	RLX	Vinton	42 min
Aug 29, 4:24 PM EDT	Special Weather Statement	RLX	Perry	36 min
Aug 29, 4:50 PM EDT	Special Weather Statement	RLX	Washington	25 min

Nearby

Flash Flood Warnings in Ohio, 2022 Every flash flood 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.