Alert archive / Kentucky / Flash Flood Watches in 2021
Flash Flood Watch 2, NWS Louisville, KY
NWS Louisville, KY issued this flash flood watch at Apr 27, 2021, 3:03 PM EDT for 17 counties in Kentucky; 10 counties in Indiana. It took effect at Apr 28, 2021, 2:00 PM EDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2021, 3:03 PM EDT (19:03 UTC)
- In effect from
- Apr 28, 2021, 2:00 PM EDT
- Expired
- Apr 29, 2021, 2:53 PM EDT
- In force
- 25 hr
- Issued by
- NWS Louisville, KY
- Flood severity
- None
All 27 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, Breckinridge County, KY, Bullitt County, KY, Franklin County, KY, Grayson County, KY, Hancock County, KY, Hardin County, KY, Henry County, KY, Jefferson County, KY, Larue County, KY, Meade County, KY, Nelson County, KY, Ohio County, KY, Oldham County, KY, Shelby County, KY, Spencer County, KY, Trimble County, KY
The radar
The Louisville radar (KLVX), 20 km from the middle of the area, began a volume at 19:01 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.1 hours before the alert went out and 230 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1481 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
115 WGUS63 KLMK 271903 FFALMK URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Louisville KY 303 PM EDT Tue Apr 27 2021 INZ076>079-083-084-089>092-KYZ023>025-030>034-280315- /O.NEW.KLMK.FF.A.0002.210428T1800Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Jefferson-Oldham-Trimble- Henry-Shelby- Including the cities of La Grange, Bedford, Madison, Paoli, Milton, Jeffersonville, Shelbyville, Brandenburg, Scottsburg, Hawesville, Corydon, Hardinsburg, New Castle, Louisville, Salem, Jasper, English, Tell City, Lewisport, and New Albany 303 PM EDT Tue Apr 27 2021 /203 PM CDT Tue Apr 27 2021/ ...FLASH FLOOD WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... The National Weather Service in Louisville has issued a * Flash Flood Watch for portions of Indiana and Kentucky, including the following areas, in Indiana, Clark, Crawford, Dubois, Floyd, Harrison, Jefferson, Orange, Perry, Scott and Washington. In Kentucky, Breckinridge, Hancock, Henry, Jefferson, Meade, Oldham, Shelby and Trimble. * From Wednesday afternoon through Thursday evening * There is a potential for repeated rounds of moderate to heavy rainfall. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ RJS
5 follow-up statements
864 WGUS63 KLMK 280223 FFALMK Flood Watch National Weather Service Louisville KY 1023 PM EDT Tue Apr 27 2021 INZ076>079-083-084-089>092-KYZ023>025-030>034-281030- /O.CON.KLMK.FF.A.0002.210428T1800Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Oldham-Trimble-Henry- Shelby- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Louisville, La Grange, Bedford, Milton, New Castle, and Shelbyville 1023 PM EDT Tue Apr 27 2021 /923 PM CDT Tue Apr 27 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... The Flash Flood Watch continues for * Portions of Indiana and Kentucky, including the following areas, in Indiana, Clark, Crawford, Dubois, Floyd, Harrison, Jefferson, Orange, Perry, Scott, and Washington. In Kentucky, Breckinridge, Hancock, Henry, Jefferson, Meade, Oldham, Shelby, and Trimble. * From Wednesday afternoon through Thursday evening * There is a potential for repeated rounds of moderate to heavy rainfall. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ CG
094 WGUS63 KLMK 280727 FFALMK URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Louisville KY 327 AM EDT Wed Apr 28 2021 KYZ026>029-035-038-039-045-053-282000- /O.EXA.KLMK.FF.A.0002.210428T1800Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ohio-Grayson-Hardin-Bullitt-Franklin-Spencer-Anderson-Nelson- Larue- Including the cities of Hartford, Leitchfield, Elizabethtown, Shepherdsville, Frankfort, Taylorsville, Lawrenceburg, Bardstown, and Hodgenville 327 AM EDT Wed Apr 28 2021 /227 AM CDT Wed Apr 28 2021/ ...FLASH FLOOD WATCH IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON THROUGH THURSDAY EVENING... The National Weather Service in Louisville has expanded the * Flash Flood Watch to include portions of east central Kentucky, north central Kentucky, northwest Kentucky, and south central Kentucky, including the following areas, in east central Kentucky, Anderson and Franklin. In north central Kentucky, Bullitt, Hardin, Larue, Nelson, and Spencer. In northwest Kentucky, Ohio. In south central Kentucky, Grayson. * From 2 PM EDT /1 PM CDT/ this afternoon through Thursday evening * There is a potential for repeated rounds of moderate to heavy rainfall. Total rainfall accumulations of 2 to 4 inches will be possible across the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ INZ076>079-083-084-089>092-KYZ023>025-030>034-282000- /O.CON.KLMK.FF.A.0002.210428T1800Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Oldham-Trimble-Henry- Shelby- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Louisville, La Grange, Bedford, Milton, New Castle, and Shelbyville 327 AM EDT Wed Apr 28 2021 /227 AM CDT Wed Apr 28 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON THROUGH THURSDAY EVENING... The Flash Flood Watch continues for * Portions of Indiana and Kentucky, including the following areas, in Indiana, Clark, Crawford, Dubois, Floyd, Harrison, Jefferson, Orange, Perry, Scott, and Washington. In Kentucky, Breckinridge, Hancock, Henry, Jefferson, Meade, Oldham, Shelby, and Trimble. * From 2 PM EDT /1 PM CDT/ this afternoon through Thursday evening * There is a potential for repeated rounds of moderate to heavy rainfall. Total rainfall accumulations of 2 to 4 inches will be possible across the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$
149 WGUS63 KLMK 281918 FFALMK Flood Watch National Weather Service Louisville KY 318 PM EDT Wed Apr 28 2021 INZ076>079-083-084-089>092-KYZ023>025-030>034-290915- /O.CON.KLMK.FF.A.0002.000000T0000Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Jefferson-Oldham-Trimble- Henry-Shelby- Including the cities of La Grange, Bedford, Madison, Paoli, Milton, Jeffersonville, Shelbyville, Brandenburg, Scottsburg, Hawesville, Corydon, Hardinsburg, New Castle, Louisville, Salem, Jasper, English, Tell City, Lewisport, and New Albany 318 PM EDT Wed Apr 28 2021 /218 PM CDT Wed Apr 28 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... The Flash Flood Watch continues for * Southern Indiana and portions of north central Kentucky * Through Thursday evening * Clusters of showers and thunderstorms tonight will produce up to 2 inches of rainfall, with locally higher amounts possible. Additional heavy rainfall is possible on Thursday. * Flash flooding will be possible where the heaviest rainfall occurs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ KYZ026>029-035-038-039-045-053-290915- /O.CON.KLMK.FF.A.0002.000000T0000Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ohio-Grayson-Hardin-Bullitt-Franklin-Spencer-Anderson-Nelson-Larue- Including the cities of Shepherdsville, Taylorsville, Lawrenceburg, Frankfort, Hodgenville, Bardstown, Leitchfield, Hartford, and Elizabethtown 218 PM CDT Wed Apr 28 2021 /318 PM EDT Wed Apr 28 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY EVENING... The Flash Flood Watch continues for * Southern Indiana and portions of north central Kentucky * Through Thursday evening * Clusters of showers and thunderstorms tonight will produce up to 2 inches of rainfall, with locally higher amounts possible. Additional heavy rainfall is possible on Thursday. * Flash flooding will be possible where the heaviest rainfall occurs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ RAS
703 WGUS63 KLMK 290839 FFALMK Flood Watch National Weather Service Louisville KY 439 AM EDT Thu Apr 29 2021 INZ076>079-083-084-089>092-KYZ023>025-030>034-292000- /O.CON.KLMK.FF.A.0002.000000T0000Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Jefferson-Oldham-Trimble- Henry-Shelby- Including the cities of La Grange, Bedford, Madison, Paoli, Milton, Jeffersonville, Shelbyville, Brandenburg, Scottsburg, Hawesville, Corydon, Hardinsburg, New Castle, Louisville, Salem, Jasper, English, Tell City, Lewisport, and New Albany 439 AM EDT Thu Apr 29 2021 /339 AM CDT Thu Apr 29 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Southern Indiana and portions of north central Kentucky * Through this evening * Additional rounds of heavy rainfall are possible today. Total amounts of two to three inches are possible, along with locally higher amounts. * Flash flooding will be possible where the heaviest rainfall occurs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ KYZ026>029-035-038-039-045-053-292000- /O.CON.KLMK.FF.A.0002.000000T0000Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ohio-Grayson-Hardin-Bullitt-Franklin-Spencer-Anderson-Nelson-Larue- Including the cities of Shepherdsville, Taylorsville, Lawrenceburg, Frankfort, Hodgenville, Bardstown, Leitchfield, Hartford, and Elizabethtown 339 AM CDT Thu Apr 29 2021 /439 AM EDT Thu Apr 29 2021/ ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING... The Flash Flood Watch continues for * Southern Indiana and portions of north central Kentucky * Through this evening * Additional rounds of heavy rainfall are possible today. Total amounts of two to three inches are possible, along with locally higher amounts. * Flash flooding will be possible where the heaviest rainfall occurs. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ JML
855 WGUS63 KLMK 291853 FFALMK Flood Watch National Weather Service Louisville KY 253 PM EDT Thu Apr 29 2021 INZ076>079-083-084-089>092-KYZ023>035-038-039-045-053-292000- /O.CAN.KLMK.FF.A.0002.000000T0000Z-210430T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt- Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-Spencer-Anderson- Nelson-Larue- Including the cities of La Grange, Frankfort, Jeffersonville, Brandenburg, Louisville, Hawesville, Taylorsville, Scottsburg, Leitchfield, Hardinsburg, Hodgenville, Hartford, Milton, Bedford, Shepherdsville, Paoli, Bardstown, English, Tell City, New Albany, New Castle, Madison, Lawrenceburg, Shelbyville, Corydon, Salem, Jasper, Lewisport, and Elizabethtown 253 PM EDT Thu Apr 29 2021 /153 PM CDT Thu Apr 29 2021/ ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for southern Indiana and portions of central Kentucky has been cancelled. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ RAS
Nearby
Flash Flood Watches in Kentucky, 2021Flash Flood Watches in Indiana, 2021Every flash flood watch in 2021
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.