Alert archive / Kentucky / Flash Flood Watches in 2013

Flash Flood Watch 3, NWS Louisville, KY

July 10, 201340 counties in Kentucky; 5 counties in Indiana

NWS Louisville, KY issued this flash flood watch at Jul 10, 2013, 10:13 AM CDT for 40 counties in Kentucky; 5 counties in Indiana. It took effect at Jul 10, 2013, 2:00 PM CDT. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 10, 2013, 10:13 AM CDT (15:13 UTC)
In effect from: Jul 10, 2013, 2:00 PM CDT
Expired: Jul 10, 2013, 5:20 PM CDT
In force: 3 hr
Issued by: NWS Louisville, KY
Flood severity: None

All 45 counties

Clark County, IN, Floyd County, IN, Jefferson County, IN, Scott County, IN, Washington County, IN, Adair County, KY, Allen County, KY, Anderson County, KY, Barren County, KY, Bourbon County, KY, Boyle County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Green County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Logan County, KY, Madison County, KY, Marion County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Nicholas County, KY, Oldham County, KY, Russell County, KY, Scott County, KY, Shelby County, KY, Simpson County, KY, Spencer County, KY, Taylor County, KY, Trimble County, KY, Warren County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 66 km from the middle of the area, began a volume at 15:12 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, 3.2 hours before the alert went out and 216 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: 2277 J/kg
Mixed-layer CIN: -18 J/kg
Mixed-layer LCL: 802 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: -9 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 watch 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 watch went out at Jul 10, 8:47 AM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Jul 10, 8:47 AM CDT, 1 hour 26 minutes before

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Hazardous weather outlook, Jul 10, 9:03 AM CDT, 1 hour 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
Jul 10, 12:53 PM CDT	Special Weather Statement	LMK	Nelson	32 min
Jul 10, 1:00 PM CDT	Special Weather Statement	LMK	Henry, Jefferson, Oldham	25 min
Jul 10, 1:16 PM CDT	Special Weather Statement	LMK	Breckinridge, Hancock, Meade	29 min
Jul 10, 1:23 PM CDT	Severe Thunderstorm Warning	LMK	Meade	27 min
Jul 10, 1:26 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Oldham	29 min
Jul 10, 1:29 PM CDT	Special Weather Statement	LMK	Nelson	31 min
Jul 10, 1:36 PM CDT	Special Weather Statement	LMK	Adair, Anderson, Barren, Boyle, Casey, Clinton and 11 more	29 min
Jul 10, 1:43 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Meade, Nelson	32 min
Jul 10, 1:50 PM CDT	Severe Thunderstorm Warning	LMK	Green, Taylor	30 min
Jul 10, 1:59 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Jefferson, Nelson, Shelby, Spencer	31 min
Jul 10, 2:09 PM CDT	Special Weather Statement	LMK	Butler, Grayson, Hardin	46 min
Jul 10, 2:11 PM CDT	Special Weather Statement	LMK	Anderson, Franklin, Woodford	29 min
Jul 10, 2:14 PM CDT	Severe Thunderstorm Warning	LMK	Hardin, Larue, Nelson	31 min
Jul 10, 2:28 PM CDT	Special Weather Statement	LMK	Bourbon, Boyle, Casey, Clark, Fayette, Garrard and 7 more	57 min
Jul 10, 2:33 PM CDT	Special Weather Statement	LMK	Anderson, Mercer	17 min
Jul 10, 2:36 PM CDT	Severe Thunderstorm Warning	LMK	Marion, Taylor, Washington	29 min
Jul 10, 2:39 PM CDT	Severe Thunderstorm Warning	LMK	Fayette, Garrard, Jessamine, Mercer, Scott, Woodford	31 min
Jul 10, 2:44 PM CDT	Special Weather Statement	LMK	Clinton	46 min
Jul 10, 2:48 PM CDT	Special Weather Statement	LMK	Adair	47 min
Jul 10, 2:51 PM CDT	Severe Thunderstorm Warning	LMK	Warren	29 min
Jul 10, 3:27 PM CDT	Special Weather Statement	LMK	Bourbon	33 min
Jul 10, 3:29 PM CDT	Areal Flood Advisory	LMK	Warren	3 hr
Jul 10, 3:41 PM CDT	Special Weather Statement	LMK	Madison	29 min
Jul 10, 3:52 PM CDT	Special Weather Statement	LMK	Allen, Cumberland, Metcalfe, Monroe	43 min
Jul 10, 12:35 PM CDT	Special Weather Statement	LMK	Crawford, Orange	45 min
Jul 10, 1:07 PM CDT	Severe Thunderstorm Warning	LMK	Clark, Crawford, Floyd, Harrison, Washington	28 min

Nearby

Flash Flood Watches in Kentucky, 2013 Flash Flood Watches in Indiana, 2013 Every flash flood watch in 2013

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.