Alert archive / Kentucky / Flash Flood Warnings in 2010

Flash Flood Warning 1, NWS Jackson, KY

January 24, 20107 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Jan 24, 2010, 4:33 PM EST for 7 counties in Kentucky. 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 24, 2010, 4:33 PM EST (21:33 UTC)
Expired: Jan 24, 2010, 7:30 PM EST
In force: 3 hr
Issued by: NWS Jackson, KY
Area: Storm-based polygon
Flood severity: None

Counties Bell County, KY, Clay County, KY, Harlan County, KY, Knox County, KY, Laurel County, KY, Leslie County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 81 km from the middle of the area, began a volume at 21:37 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

Nashville Metro, TN (KBNA), launched 12:00Z, 9.6 hours before the alert went out and 272 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: 471 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 231 m²/s²
0-3 km storm-relative helicity: 542 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 24, 2:55 PM EST, 1 hour 38 minutes earlier.

Area forecast discussion, Jan 24, 2:55 PM EST, 1 hour 38 minutes before

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Hazardous weather outlook, Jan 24, 4:20 PM EST, 13 minutes before

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In the hours before

Local storm report, Jan 24, 3:58 PM EST, 35 minutes before

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Local storm report, Jan 24, 4:04 PM EST, 29 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 24, 11:04 AM EST	Areal Flood Advisory	JKL	Pulaski	3 hr
Jan 24, 12:39 PM EST	Areal Flood Advisory	JKL	Bath, Fleming, Montgomery	3 hr
Jan 24, 12:59 PM EST	Areal Flood Advisory	JKL	Knox, Laurel, McCreary, Whitley	3 hr
Jan 24, 1:37 PM EST	Areal Flood Advisory	JKL	Knox, Laurel, McCreary, Pulaski, Rockcastle, Wayne and 1 more	4 hr
Jan 24, 2:05 PM EST	Areal Flood Warning	JKL	Knox, Laurel, McCreary, Pulaski, Rockcastle, Wayne and 1 more	4 hr
Jan 24, 2:23 PM EST	Areal Flood Advisory	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 15 more	4 hr
Jan 24, 2:40 PM EST	Areal Flood Advisory	JKL	Bath, Bell, Breathitt, Clay, Elliott, Estill and 15 more	4 hr
Jan 24, 2:59 PM EST	Areal Flood Warning	JKL	Bell, Clay, Harlan, Knox, Laurel, Leslie and 1 more	3 hr
Jan 24, 3:43 PM EST	Areal Flood Advisory	JKL	Bath, Fleming, Menifee, Montgomery, Powell, Rowan	3 hr
Jan 24, 4:42 PM EST	Areal Flood Warning	JKL	Breathitt, Clay, Jackson, Lee, Leslie, Owsley and 2 more	6 hr
Jan 24, 5:05 PM EST	Areal Flood Advisory	JKL	Floyd, Johnson, Letcher, Martin, Pike	4 hr
Jan 24, 5:55 PM EST	Areal Flood Advisory	JKL	Laurel, McCreary, Pulaski, Rockcastle, Wayne	110 min
Jan 24, 6:07 PM EST	Areal Flood Warning	JKL	Breathitt, Elliott, Floyd, Harlan, Johnson, Knott and 6 more	3 hr
Jan 24, 6:16 PM EST	Areal Flood Advisory	JKL	Bath, Breathitt, Clay, Estill, Jackson, Lee and 8 more	3 hr
Jan 24, 6:21 PM EST	Areal Flood Warning	JKL	Clay, Leslie	4 hr
Jan 24, 6:44 PM EST	Areal Flood Advisory	JKL	Bath, Fleming, Menifee, Montgomery, Powell, Rowan	3 hr

Nearby

Flash Flood Warnings in Kentucky, 2010 Every flash flood warning in 2010

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.