Alert archive / Kentucky / Flash Flood Watches in 2015

Flash Flood Watch 3, NWS Louisville, KY

June 19, 201533 counties in Kentucky; 10 counties in Indiana

NWS Louisville, KY issued this flash flood watch at Jun 19, 2015, 3:58 AM EDT for 33 counties in Kentucky; 10 counties in Indiana. It took effect at Jun 19, 2015, 11:00 AM EDT. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued: Jun 19, 2015, 3:58 AM EDT (07:58 UTC)
In effect from: Jun 19, 2015, 11:00 AM EDT
Expired: Jun 20, 2015, 3:19 PM EDT
In force: 28 hr
Issued by: NWS Louisville, KY
Flood severity: None

All 43 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, Anderson County, KY, Bourbon County, KY, Boyle County, KY, Breckinridge County, KY, Bullitt County, KY, Casey County, KY, Clark County, KY, Fayette County, KY, Franklin County, KY, Garrard County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Harrison County, KY, Henry County, KY, Jefferson County, KY, Jessamine County, KY, Larue County, KY, Lincoln County, KY, Madison County, KY, Marion County, KY, Meade County, KY, Mercer County, KY, Nelson County, KY, Nicholas County, KY, Ohio County, KY, Oldham County, KY, Scott County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY, Washington County, KY, Woodford County, KY

The radar

The Louisville radar (KLVX), 48 km from the middle of the area, began a volume at 07:57 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 00:00Z, 8.0 hours before the alert went out and 238 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: 651 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1178 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

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 Jun 19, 3:41 AM EDT, 17 minutes earlier.

Area forecast discussion, Jun 19, 3:41 AM EDT, 17 minutes before

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Hazardous weather outlook, Jun 18, 8:51 PM EDT, 7 hours 7 minutes before

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In the hours before

Local storm report, Jun 18, 10:01 PM EDT, 5 hours 57 minutes before

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Local storm report, Jun 18, 11:04 PM EDT, 4 hours 54 minutes before

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Local storm report, Jun 18, 11:29 PM EDT, 4 hours 29 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
Jun 19, 2:11 PM EDT	Special Weather Statement	LMK	Harrison	29 min
Jun 19, 2:41 PM EDT	Special Weather Statement	LMK	Clark	29 min
Jun 19, 4:23 PM EDT	Tornado Warning	LMK	Hancock	27 min
Jun 19, 4:59 PM EDT	Special Weather Statement	LMK	Hardin, Larue	31 min
Jun 19, 5:06 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Hardin, Larue, Nelson	29 min
Jun 19, 5:21 PM EDT	Special Weather Statement	LMK	Clark, Garrard, Madison	44 min
Jun 19, 5:29 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Nelson	31 min
Jun 19, 5:51 PM EDT	Areal Flood Advisory	LMK	Clark, Fayette, Garrard, Jessamine, Madison	3 hr
Jun 19, 6:08 PM EDT	Special Weather Statement	LMK	Jefferson, Oldham, Shelby	32 min
Jun 19, 6:10 PM EDT	Severe Thunderstorm Warning	LMK	Meade	25 min
Jun 19, 6:14 PM EDT	Flash Flood Warning	LMK	Bourbon, Clark, Fayette, Garrard, Jessamine, Madison	3 hr
Jun 19, 7:39 PM EDT	Severe Thunderstorm Warning	LMK	Allen, Barren	31 min
Jun 19, 10:43 AM EDT	Areal Flood Advisory	LMK	Jefferson	3 hr
Jun 19, 4:45 PM EDT	Tornado Warning	LMK	Perry	30 min
Jun 19, 5:28 PM EDT	Special Weather Statement	LMK	Crawford	32 min
Jun 19, 5:38 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Perry	32 min
Jun 19, 6:06 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	24 min
Jun 19, 6:29 PM EDT	Severe Thunderstorm Warning	LMK	Crawford, Harrison	31 min
Jun 19, 7:24 PM EDT	Special Weather Statement	LMK	Scott	46 min
Jun 19, 7:44 PM EDT	Special Weather Statement	LMK	Dubois	31 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.