Alert archive / Kentucky / Flash Flood Watches in 2018
Flash Flood Watch 11, NWS Louisville, KY
NWS Louisville, KY issued this flash flood watch at Sep 23, 2018, 2:23 PM CDT for 49 counties in Kentucky; 7 counties in Indiana. It took effect at Sep 23, 2018, 10:00 PM CDT. It was in force for 58 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2018, 2:23 PM CDT (19:23 UTC)
- In effect from
- Sep 23, 2018, 10:00 PM CDT
- Expired
- Sep 26, 2018, 7:44 AM CDT
- In force
- 58 hr
- Issued by
- NWS Louisville, KY
- Flood severity
- None
All 56 counties
Clark County, IN, Crawford County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Perry County, IN, Scott 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), 49 km from the middle of the area, began a volume at 19:23 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, 7.4 hours before the alert went out and 203 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.
- Mixed-layer CAPE
- 39 J/kg
- Mixed-layer CIN
- -126 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Sep 23, 12:33 PM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Sep 23, 12:33 PM CDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Sep 23, 7:10 AM CDT, 7 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Louisville KY 810 AM EDT Sun Sep 23 2018 INZ090>092-KYZ029>031-033>043-045>049-054>057-066-067-241215- Harrison-Floyd-Clark-Bullitt-Jefferson-Oldham-Henry-Shelby-Franklin- Scott-Spencer-Anderson-Woodford-Fayette-Bourbon-Nicholas-Nelson- Washington-Mercer-Jessamine-Marion-Boyle-Garrard-Madison-Casey- Lincoln- Including the cities of Corydon, New Albany, Jeffersonville, Shepherdsville, Louisville, La Grange, New Castle, Shelbyville, Frankfort, Georgetown, Cynthiana, Taylorsville, Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Bardstown, Springfield, Harrodsburg, Nicholasville, Winchester, Lebanon, Danville, Lancaster, Richmond, Liberty, and Stanford 810 AM EDT Sun Sep 23 2018 ...FLASH FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING... This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Today and Tonight. Rain showers are expected to move across the region today. Heavy rainfall will be possible in areas of central Kentucky. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Waves of scattered to numerous showers and a few thunderstorms Monday through Wednesday will produce heavy rainfall. Flooding of small creeks and streams and low water crossings will be possible with the most intense rainfall. A few strong storms Tuesday afternoon into Tuesday night may also produce gusty winds. .SPOTTER INFORMATION STATEMENT... Spotters should report any heavy rainfall totals as well as flooding today. INZ076>079-083-084-089-KYZ023>028-032-053-061>065-070>078-081-082- 241215- Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Hancock- Breckinridge-Meade-Ohio-Grayson-Hardin-Trimble-Larue-Butler-Edmonson- Hart-Green-Taylor-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe- Adair-Russell-Cumberland-Clinton- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Lewisport, Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown, Bedford, Milton, Hodgenville, Morgantown, Brownsville, Horse Cave, Greensburg, Campbellsville, Russellville, Bowling Green, Franklin, Providence, Scottsville, Glasgow, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, and Albany 810 AM EDT Sun Sep 23 2018 /710 AM CDT Sun Sep 23 2018/ This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Today and Tonight. Rain showers are expected to move across the outlook today. Scattered to numerous showers are forecast tonight. Localized heavy rainfall will be possible in some areas. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Waves of scattered to numerous showers and a few thunderstorms Monday through Wednesday will produce heavy rainfall. Localized flooding of small creeks and streams will be possible with the most intense rainfall. A few strong storms Tuesday afternoon into Tuesday night may also produce gusty winds. .SPOTTER INFORMATION STATEMENT... Spotters should report any heavy rainfall totals as well as flooding today. MJ/EBW/RJS
In the hours before
Local storm report, Sep 23, 11:01 AM CDT, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1201 PM EDT SUN SEP 23 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1155 AM HEAVY RAIN 3 ESE MILLERSBURG 38.28N 84.10W
09/23/2018 M2.47 INCH NICHOLAS KY MESONET
&&
SSCLocal storm report, Sep 23, 11:06 AM CDT, 3 hours 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1206 PM EDT SUN SEP 23 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1200 PM FLASH FLOOD 4 NNE OXFORD 38.31N 84.51W
09/23/2018 SCOTT KY BROADCAST MEDIA
MUDDY FORD ROAD HAS QUICK FLOWING WATER
COVERING THE ROADWAY BY AT LEAST A COUPLE
FEET. PICTURES ON SOCIAL MEDIA.
&&
KDWLocal storm report, Sep 23, 11:31 AM CDT, 2 hours 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LOUISVILLE KY
1231 PM EDT SUN SEP 23 2018
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1215 PM FLOOD 1 WSW CYNTHIANA 38.38N 84.31W
09/23/2018 HARRISON KY EMERGENCY MNGR
PENDLETON COUNTY EMERGENCY MANAGER REPORTED
THAT A MEXICAN RESTAURANT IN CYNTHIANA HAD 4
FEET OF WATER IN IT.
&&
KDWLocal storm report, Sep 23, 12:35 PM CDT, 1 hour 48 minutes before
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</html>Local storm report, Sep 23, 1:52 PM CDT, 31 minutes before
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</html>Local storm report, Sep 23, 2:01 PM CDT, 22 minutes before
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</html>The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 6:38 AM CDT | Areal Flood Advisory | LMK | Jefferson, Oldham, Shelby | 112 min |
| Sep 23, 6:56 AM CDT | Areal Flood Advisory | LMK | Bourbon, Franklin, Harrison, Scott, Shelby, Woodford | 3 hr |
| Sep 23, 8:10 AM CDT | Flash Flood Warning | LMK | Franklin, Harrison, Scott | 3 hr |
| Sep 23, 8:27 AM CDT | Areal Flood Advisory | LMK | Nicholas | 3 hr |
| Sep 23, 8:54 AM CDT | Areal Flood Advisory | LMK | Anderson, Fayette, Franklin, Scott, Woodford | 3 hr |
| Sep 23, 9:07 AM CDT | Flash Flood Warning | LMK | Bourbon, Nicholas | 3 hr |
| Sep 23, 10:16 AM CDT | Flash Flood Warning | LMK | Bourbon, Fayette, Scott, Woodford | 119 min |
| Sep 23, 11:03 AM CDT | Areal Flood Warning | LMK | Franklin, Harrison, Scott | 6 hr |
| Sep 23, 11:54 AM CDT | Areal Flood Warning | LMK | Bourbon, Fayette, Nicholas, Scott, Woodford | 6 hr |
| Sep 23, 12:12 PM CDT | River Flood Warning | LMK | Franklin | 63 hr |
| Sep 23, 12:21 PM CDT | River Flood Warning | LMK | Bourbon | 3 days |
| Sep 23, 4:31 PM CDT | Areal Flood Warning | LMK | Bourbon, Franklin, Harrison, Scott | 6 hr |
Nearby
Flash Flood Watches in Kentucky, 2018Flash Flood Watches in Indiana, 2018Every flash flood watch in 2018
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.