Alert archive / Kentucky / Flash Flood Warnings in 1991

Flash Flood Warning 11, NWS Wilmington, OH

July 8, 1991Boone County, Kentucky; Ohio County, Indiana

NWS Wilmington, OH issued this flash flood warning at Jul 8, 1991, 4:17 PM EDT for Boone County, Kentucky; Ohio County, Indiana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Jul 8, 1991, 4:17 PM EDT (20:17 UTC)
Expired: Jul 8, 1991, 5:10 PM EDT
In force: 53 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Ohio County, IN, Boone County, KY

The nearest sounding before it

Huntington/Tri S, WV (KHTS), launched 12:00Z, 8.3 hours before the alert went out and 214 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: 1405 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 769 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 92 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jul 8, 12:25 PM EDT, 3 hours 52 minutes before

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Special weather statement, Jul 8, 1:00 PM EDT, 3 hours 17 minutes before

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Special weather statement, Jul 8, 1:49 PM EDT, 2 hours 28 minutes before

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Special weather statement, Jul 8, 2:47 PM EDT, 1 hour 30 minutes before

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Special weather statement, Jul 8, 3:32 PM EDT, 45 minutes before

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Special weather statement, Jul 8, 3:55 PM EDT, 22 minutes before

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The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 7, 10:50 PM EDT	Severe Thunderstorm Warning	ILN	Knox	40 min
Jul 8, 2:06 AM EDT	Severe Thunderstorm Warning	ILN	Mercer, Van Wert	54 min
Jul 8, 2:41 AM EDT	Severe Thunderstorm Warning	ILN	Allen	64 min
Jul 8, 3:04 AM EDT	Severe Thunderstorm Warning	ILN	Auglaize	56 min
Jul 8, 3:12 AM EDT	Severe Thunderstorm Warning	ILN	Mercer	63 min
Jul 8, 3:58 AM EDT	Severe Thunderstorm Warning	ILN	Miami	62 min
Jul 8, 4:16 AM EDT	Tornado Warning	ILN	Greene	29 min
Jul 8, 4:19 AM EDT	Tornado Warning	ILN	Miami	26 min
Jul 8, 5:54 AM EDT	Severe Thunderstorm Warning	ILN	Butler	66 min
Jul 8, 9:31 AM EDT	Severe Thunderstorm Warning	ILN	Butler, Hamilton	59 min
Jul 8, 9:31 AM EDT	Severe Thunderstorm Warning	ILN	Clermont	59 min
Jul 8, 4:17 PM EDT	Flash Flood Warning	ILN	Gallatin	118 min

Nearby

Flash Flood Warnings in Kentucky, 1991 Flash Flood Warnings in Indiana, 1991 Every flash flood warning in 1991

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.