Alert archive / Kentucky / Flash Flood Watches in 2015

Flash Flood Watch 7, NWS Louisville, KY

July 7, 201549 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flash flood watch at Jul 7, 2015, 11:23 AM CDT for 49 counties in Kentucky; 10 counties in Indiana. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued: Jul 7, 2015, 11:23 AM CDT (16:23 UTC)
Expired: Jul 8, 2015, 7:00 PM CDT
In force: 32 hr
Issued by: NWS Louisville, KY
Flood severity: None

All 59 counties

Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry 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, Breckinridge County, KY, Bullitt County, KY, Butler County, KY, Casey County, KY, Clark County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Green County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Hart 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, Meade County, KY, Mercer County, KY, Metcalfe County, KY, Monroe County, KY, Nelson County, KY, Nicholas County, KY, Ohio 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), 43 km from the middle of the area, began a volume at 16:26 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, 4.4 hours before the alert went out and 205 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: 156 J/kg
Mixed-layer CIN: -88 J/kg
Mixed-layer LCL: 1172 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 28 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 7, 9:19 AM CDT, 2 hours 4 minutes earlier.

Area forecast discussion, Jul 7, 9:19 AM CDT, 2 hours 4 minutes before

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Hazardous weather outlook, Jul 7, 10:08 AM CDT, 1 hour 15 minutes before

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In the hours before

Local storm report, Jul 7, 9:20 AM CDT, 2 hours 3 minutes before

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Local storm report, Jul 7, 9:22 AM CDT, 2 hours 1 minute before

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Special weather statement, Jul 7, 9:37 AM CDT, 1 hour 46 minutes before

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Local storm report, Jul 7, 9:52 AM CDT, 1 hour 31 minutes before

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Local storm report, Jul 7, 9:55 AM CDT, 1 hour 28 minutes before

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Local storm report, Jul 7, 10:01 AM CDT, 1 hour 22 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 7, 9:37 AM CDT	Special Weather Statement	LMK	Meade	28 min
Jul 7, 12:28 PM CDT	Special Weather Statement	LMK	Breckinridge	32 min
Jul 7, 12:48 PM CDT	Special Weather Statement	LMK	Breckinridge, Meade	32 min
Jul 7, 1:20 PM CDT	Special Weather Statement	LMK	Meade	30 min
Jul 7, 1:39 PM CDT	Special Weather Statement	LMK	Bullitt	31 min
Jul 7, 1:42 PM CDT	Special Weather Statement	LMK	Hardin	28 min
Jul 7, 1:47 PM CDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson, Spencer	28 min
Jul 7, 2:08 PM CDT	Special Weather Statement	LMK	Nelson	32 min
Jul 7, 2:21 PM CDT	Special Weather Statement	LMK	Spencer	29 min
Jul 7, 2:36 PM CDT	Special Weather Statement	LMK	Anderson	29 min
Jul 7, 2:48 PM CDT	Special Weather Statement	LMK	Anderson, Franklin, Woodford	32 min
Jul 7, 3:02 PM CDT	Special Weather Statement	LMK	Jessamine	28 min
Jul 7, 3:24 PM CDT	Special Weather Statement	LMK	Bourbon, Fayette, Harrison, Scott	31 min
Jul 7, 3:51 PM CDT	Special Weather Statement	LMK	Bourbon, Harrison, Nicholas	19 min
Jul 7, 4:07 PM CDT	Special Weather Statement	LMK	Hardin	43 min
Jul 7, 4:13 PM CDT	Special Weather Statement	LMK	Nicholas	17 min
Jul 7, 5:08 PM CDT	Special Weather Statement	LMK	Spencer	27 min
Jul 7, 5:33 PM CDT	Special Weather Statement	LMK	Boyle, Marion	42 min
Jul 7, 6:04 PM CDT	Severe Thunderstorm Warning	LMK	Boyle, Casey, Lincoln	31 min
Jul 7, 6:22 PM CDT	Special Weather Statement	LMK	Jessamine, Woodford	13 min
Jul 7, 6:26 PM CDT	Special Weather Statement	LMK	Butler, Logan, Ohio	29 min
Jul 7, 6:33 PM CDT	Special Weather Statement	LMK	Garrard, Madison	32 min
Jul 7, 6:40 PM CDT	Special Weather Statement	LMK	Fayette, Jessamine	30 min
Jul 7, 6:49 PM CDT	Severe Thunderstorm Warning	LMK	Clark, Fayette, Garrard, Jessamine, Madison	31 min
Jul 7, 6:54 PM CDT	Special Weather Statement	LMK	Butler, Grayson	31 min
Jul 7, 8:11 AM CDT	Areal Flood Advisory	LMK	Dubois, Orange	3 hr
Jul 7, 9:17 AM CDT	Flash Flood Warning	LMK	Dubois, Orange	3 hr
Jul 7, 9:45 AM CDT	Areal Flood Advisory	LMK	Crawford, Perry	3 hr
Jul 7, 12:14 PM CDT	Areal Flood Warning	LMK	Dubois, Orange	6 hr
Jul 7, 12:21 PM CDT	Special Weather Statement	LMK	Perry	29 min

Nearby

Flash Flood Watches in Kentucky, 2015 Flash Flood Watches in Indiana, 2015 Every flash flood watch in 2015

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.