Alert archive / Kentucky / Flash Flood Warnings in 2023

Flash Flood Warning 1, NWS Jackson, KY

January 12, 20234 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jan 12, 2023, 12:41 PM EST for 4 counties in Kentucky. It was in force for 2 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, 2023, 12:41 PM EST (17:41 UTC)
Expired: Jan 12, 2023, 2:59 PM EST
In force: 2 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Estill County, KY, Jackson County, KY, Montgomery County, KY, Powell County, KY

The radar

The Jackson,KY radar (KJKL), 57 km from the middle of the area, began a volume at 17:40 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, 5.7 hours before the alert went out and 188 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: 94 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 122 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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Jackson, KY wrote its last area forecast discussion before this flash flood warning went out at Jan 12, 11:24 AM EST, 1 hour 17 minutes earlier.

Area forecast discussion, Jan 12, 11:24 AM EST, 1 hour 17 minutes before

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Hazardous weather outlook, Jan 12, 10:51 AM EST, 1 hour 50 minutes before

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In the hours before

Special weather statement, Jan 12, 9:50 AM EST, 2 hours 51 minutes before

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Local storm report, Jan 12, 10:56 AM EST, 1 hour 45 minutes before

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Special weather statement, Jan 12, 11:55 AM EST, 46 minutes before

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Special weather statement, Jan 12, 12:21 PM EST, 20 minutes before

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The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 12, 4:09 AM EST	Winter Weather Advisory	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 27 more	51 hr
Jan 12, 9:43 AM EST	Severe Thunderstorm Warning	JKL	Estill, Montgomery, Powell	47 min
Jan 12, 9:50 AM EST	Special Weather Statement	JKL	Jackson, Lee, Pulaski, Rockcastle	25 min
Jan 12, 9:56 AM EST	Tornado Warning	JKL	Estill, Powell	23 min
Jan 12, 10:00 AM EST	Severe Thunderstorm Warning	JKL	Fleming	30 min
Jan 12, 10:07 AM EST	Severe Thunderstorm Warning	JKL	Estill, Lee, Menifee, Morgan, Powell, Wolfe	23 min
Jan 12, 10:25 AM EST	Severe Thunderstorm Warning	JKL	Breathitt, Lee, Wolfe	20 min
Jan 12, 10:31 AM EST	Severe Thunderstorm Warning	JKL	Magoffin, Menifee, Morgan, Wolfe	29 min
Jan 12, 10:55 AM EST	Areal Flood Advisory	JKL	Estill, Jackson, Lee, Rockcastle	3 hr
Jan 12, 11:55 AM EST	Special Weather Statement	JKL	Jackson, Lee, Pulaski, Rockcastle	50 min
Jan 12, 12:21 PM EST	Special Weather Statement	JKL	Bath, Estill, Lee, Menifee, Montgomery, Powell and 2 more	39 min
Jan 12, 12:44 PM EST	Special Weather Statement	JKL	Jackson, Lee, Pulaski, Rockcastle	46 min
Jan 12, 12:54 PM EST	Special Weather Statement	JKL	Elliott, Morgan, Rowan	36 min

Nearby

Flash Flood Warnings in Kentucky, 2023 Every flash flood warning in 2023

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.