Alert archive / Kentucky / Flash Flood Warnings in 2010

Flash Flood Warning 19, NWS Louisville, KY

May 2, 2010Metcalfe County, Kentucky

NWS Louisville, KY issued this flash flood warning at May 2, 2010, 3:11 PM CDT for Metcalfe County, Kentucky. It was in force for 9 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: May 2, 2010, 3:11 PM CDT (20:11 UTC)
Expired: May 3, 2010, 12:15 AM CDT
In force: 9 hr
Issued by: NWS Louisville, KY
Area: Storm-based polygon
Flood severity: Unknown

County Metcalfe County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 20:11 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, 8.2 hours before the alert went out and 129 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: 1271 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 546 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 387 m²/s²
0-3 km storm-relative helicity: 551 m²/s²
Significant tornado parameter: 4.6
Supercell composite: 20.1

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 Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at May 2, 2:42 PM CDT, 29 minutes earlier.

Area forecast discussion, May 2, 2:42 PM CDT, 29 minutes before

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Hazardous weather outlook, May 2, 3:06 PM CDT, 5 minutes before

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In the hours before

Special weather statement, May 2, 2:16 PM CDT, 55 minutes before

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Special weather statement, May 2, 2:17 PM CDT, 54 minutes before

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Local storm report, May 2, 2:34 PM CDT, 37 minutes before

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Local storm report, May 2, 2:35 PM CDT, 36 minutes before

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Special weather statement, May 2, 2:49 PM CDT, 22 minutes before

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Special weather statement, May 2, 3:01 PM CDT, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 9:45 PM CDT	River Flood Warning	LMK	Warren	4 days
May 1, 9:45 PM CDT	River Flood Warning	LMK	Hart	5 days
May 1, 9:45 PM CDT	River Flood Warning	LMK	Edmonson	6 days
May 1, 9:45 PM CDT	River Flood Warning	LMK	Butler, Warren	10 days
May 1, 9:45 PM CDT	River Flood Warning	LMK	Butler, Muhlenberg, Ohio	14 days
May 1, 10:05 PM CDT	Special Weather Statement	LMK	Larue	25 min
May 1, 10:26 PM CDT	Special Weather Statement	LMK	Logan	34 min
May 1, 10:39 PM CDT	Special Weather Statement	LMK	Anderson, Nelson	36 min
May 1, 10:45 PM CDT	Severe Thunderstorm Warning	LMK	Butler, Logan, Simpson, Warren	30 min
May 1, 11:14 PM CDT	Special Weather Statement	LMK	Ohio	31 min
May 1, 11:16 PM CDT	Special Weather Statement	LMK	Butler, Grayson	29 min
May 1, 11:21 PM CDT	Severe Thunderstorm Warning	LMK	Ohio	24 min
May 1, 11:27 PM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Butler, Grayson, Hardin	18 min
May 1, 11:42 PM CDT	Special Weather Statement	LMK	Allen	33 min
May 1, 11:47 PM CDT	Special Weather Statement	LMK	Breckinridge, Grayson, Hardin	28 min
May 1, 11:55 PM CDT	Areal Flood Advisory	LMK	Butler, Logan, Simpson, Warren	3 hr
May 1, 11:56 PM CDT	Special Weather Statement	LMK	Larue, Nelson	34 min
May 2, 12:15 AM CDT	Special Weather Statement	LMK	Jefferson, Meade	45 min
May 2, 12:19 AM CDT	Special Weather Statement	LMK	Jefferson	26 min
May 2, 12:45 AM CDT	Special Weather Statement	LMK	Jefferson, Oldham, Trimble	30 min
May 2, 12:52 AM CDT	Flash Flood Warning	LMK	Logan, Simpson, Warren	9 hr
May 2, 1:29 AM CDT	Special Weather Statement	LMK	Hart, Marion	31 min
May 2, 1:42 AM CDT	Severe Thunderstorm Warning	LMK	Green, Hart, Larue, Marion, Taylor	21 min
May 2, 1:48 AM CDT	Flash Flood Warning	LMK	Barren, Edmonson, Hart	9 hr
May 2, 2:27 AM CDT	Severe Thunderstorm Warning	LMK	Green, Taylor	33 min
May 2, 2:38 AM CDT	Flash Flood Warning	LMK	Green, Hart, Larue, Marion, Taylor, Washington	8 hr
May 2, 2:46 AM CDT	Special Weather Statement	LMK	Hancock	44 min
May 2, 2:54 AM CDT	River Flood Warning	LMK	Hardin, Nelson	6 days
May 2, 3:11 AM CDT	Areal Flood Advisory	LMK	Hancock	34 min
May 2, 3:25 AM CDT	Severe Thunderstorm Warning	LMK	Butler, Ohio	35 min
May 2, 3:42 AM CDT	Flash Flood Warning	LMK	Hancock	6 hr
May 2, 3:55 AM CDT	Severe Thunderstorm Warning	LMK	Breckinridge, Butler, Grayson, Ohio	35 min
May 2, 4:05 AM CDT	Special Weather Statement	LMK	Breckinridge, Jefferson, Meade	40 min
May 2, 4:13 AM CDT	Tornado Warning	LMK	Grayson	17 min
May 2, 4:18 AM CDT	Flash Flood Warning	LMK	Anderson, Larue, Marion, Nelson, Washington	6 hr
May 2, 4:27 AM CDT	Severe Thunderstorm Warning	LMK	Grayson, Hardin	33 min
May 2, 4:40 AM CDT	Tornado Warning	LMK	Grayson, Hardin	20 min
May 2, 4:41 AM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Nelson, Shelby, Spencer	34 min
May 2, 5:02 AM CDT	Flash Flood Warning	LMK	Breckinridge, Hancock, Ohio	6 hr
May 2, 5:41 AM CDT	Special Weather Statement	LMK	Mercer, Washington	34 min
May 2, 6:00 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Simpson, Warren	15 min
May 2, 6:19 AM CDT	Severe Thunderstorm Warning	LMK	Barren, Edmonson, Warren	26 min
May 2, 6:44 AM CDT	River Flood Warning	LMK	Bourbon	57 hr
May 2, 6:46 AM CDT	Severe Thunderstorm Warning	LMK	Barren, Green, Hart, Metcalfe	14 min
May 2, 6:47 AM CDT	Flash Flood Warning	LMK	Anderson, Breckinridge, Butler, Edmonson, Grayson, Hardin and 9 more	4 hr
May 2, 6:51 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Barren, Metcalfe, Monroe	24 min
May 2, 7:01 AM CDT	Flash Flood Warning	LMK	Bourbon, Fayette, Franklin, Harrison, Jessamine, Nicholas and 1 more	3 hr
May 2, 7:27 AM CDT	Flash Flood Warning	LMK	Bullitt, Hardin, Jefferson, Meade, Shelby	3 hr
May 2, 7:44 AM CDT	Flash Flood Warning	LMK	Allen, Barren, Warren	2 hr
May 2, 8:15 AM CDT	Severe Thunderstorm Warning	LMK	Allen, Monroe	30 min
May 2, 8:19 AM CDT	Flash Flood Warning	LMK	Clark	116 min
May 2, 8:33 AM CDT	Tornado Warning	LMK	Cumberland, Metcalfe, Monroe	27 min
May 2, 8:47 AM CDT	Tornado Warning	LMK	Adair, Clinton, Cumberland, Russell	28 min
May 2, 9:09 AM CDT	Tornado Warning	LMK	Casey, Russell	21 min
May 2, 9:28 AM CDT	Flash Flood Warning	LMK	Adair, Cumberland, Green, Metcalfe, Monroe, Taylor	3 hr
May 2, 9:31 AM CDT	River Flood Warning	LMK	Harrison	64 hr
May 2, 9:31 AM CDT	River Flood Warning	LMK	Nicholas, Robertson	5 days
May 2, 9:31 AM CDT	River Flood Warning	LMK	Anderson, Franklin, Woodford	5 days
May 2, 9:31 AM CDT	River Flood Warning	LMK	Garrard, Jessamine, Mercer	4 days
May 2, 9:34 AM CDT	River Flood Advisory	LMK	Bullitt	23 hr
May 2, 9:46 AM CDT	Areal Flood Warning	LMK	Allen, Barren, Logan, Simpson, Warren	18 hr
May 2, 9:54 AM CDT	Areal Flood Warning	LMK	Hancock	18 hr
May 2, 10:06 AM CDT	Severe Thunderstorm Warning	LMK	Cumberland, Metcalfe, Monroe	24 min
May 2, 10:12 AM CDT	Flash Flood Warning	LMK	Boyle, Casey, Garrard, Lincoln, Madison	3 hr
May 2, 10:27 AM CDT	Areal Flood Warning	LMK	Breckinridge, Butler, Edmonson, Grayson, Hardin, Hart and 3 more	20 hr
May 2, 10:32 AM CDT	Areal Flood Warning	LMK	Bullitt, Jefferson, Nelson, Shelby, Spencer	6 hr
May 2, 10:38 AM CDT	Areal Flood Warning	LMK	Anderson, Bourbon, Fayette, Franklin, Harrison, Jessamine and 4 more	6 hr
May 2, 10:43 AM CDT	Areal Flood Warning	LMK	Clark	6 hr
May 2, 11:00 AM CDT	Areal Flood Warning	LMK	Green, Marion, Taylor, Washington	19 hr
May 2, 12:13 PM CDT	Flash Flood Warning	LMK	Metcalfe	3 hr
May 2, 12:40 PM CDT	Areal Flood Warning	LMK	Adair, Cumberland, Metcalfe, Monroe	17 hr
May 2, 12:46 PM CDT	Special Weather Statement	LMK	Garrard, Lincoln, Madison	44 min
May 2, 12:56 PM CDT	Flash Flood Warning	LMK	Clinton, Russell	3 hr
May 2, 1:17 PM CDT	Areal Flood Warning	LMK	Boyle, Casey, Garrard, Lincoln, Madison	17 hr
May 2, 1:18 PM CDT	Special Weather Statement	LMK	Adair, Casey	27 min
May 2, 1:24 PM CDT	Special Weather Statement	LMK	Metcalfe, Monroe	51 min
May 2, 1:43 PM CDT	Severe Thunderstorm Warning	LMK	Adair, Barren, Cumberland, Metcalfe, Monroe	32 min
May 2, 1:44 PM CDT	Special Weather Statement	LMK	Casey, Garrard, Lincoln	31 min
May 2, 2:16 PM CDT	Special Weather Statement	LMK	Garrard, Lincoln, Madison	29 min
May 2, 2:49 PM CDT	Special Weather Statement	LMK	Clark	26 min

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.