Alert archive / Kentucky / Flash Flood Watches in 2021
Flash Flood Watch 3, NWS Louisville, KY
NWS Louisville, KY issued this flash flood watch at May 4, 2021, 3:55 AM CDT for 19 counties in Kentucky. It took effect at May 4, 2021, 4:00 AM CDT. It was in force for 22 hr.
The area
The counties it named.
The facts
- Issued
- May 4, 2021, 3:55 AM CDT (08:55 UTC)
- In effect from
- May 4, 2021, 4:00 AM CDT
- Expired
- May 5, 2021, 1:48 AM CDT
- In force
- 22 hr
- Issued by
- NWS Louisville, KY
- Flood severity
- None
Counties Adair County, KY, Allen County, KY, Barren County, KY, Butler County, KY, Casey County, KY, Clinton County, KY, Cumberland County, KY, Edmonson County, KY, Grayson County, KY, Green County, KY, Hart County, KY, Logan County, KY, Metcalfe County, KY, Monroe County, KY, Ohio County, KY, Russell County, KY, Simpson County, KY, Taylor County, KY, Warren County, KY
The radar
The Louisville radar (KLVX), 101 km from the middle of the area, began a volume at 08:58 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, 8.9 hours before the alert went out and 121 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
- 2263 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 193 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 7.6
The text
As transmitted.
880 WGUS63 KLMK 040855 FFALMK URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Louisville KY 355 AM CDT Tue May 4 2021 KYZ026-027-061>066-070>078-081-082-042000- /O.NEW.KLMK.FF.A.0003.210504T0900Z-210505T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ohio-Grayson-Butler-Edmonson-Hart-Green-Taylor-Casey-Logan-Warren- Simpson-Allen-Barren-Monroe-Metcalfe-Adair-Russell-Cumberland- Clinton- Including the cities of Albany, Russellville, Columbia, Liberty, Burkesville, Bowling Green, Edmonton, Tompkinsville, Greensburg, Leitchfield, Scottsville, Providence, Horse Cave, Morgantown, Franklin, Jamestown, Hartford, Glasgow, Brownsville, and Campbellsville 355 AM CDT Tue May 4 2021 /455 AM EDT Tue May 4 2021/ ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... The National Weather Service in Louisville has issued a * Flash Flood Watch for portions of northwest Kentucky and south central Kentucky, including the following areas, in northwest Kentucky, Ohio. In south central Kentucky, Adair, Allen, Barren, Butler, Casey, Clinton, Cumberland, Edmonson, Grayson, Green, Hart, Logan, Metcalfe, Monroe, Russell, Simpson, Taylor and Warren. * Through late tonight * Rounds of showers and thunderstorms are expected this morning and again later this evening across the watch area. 1 to 3 inches of additional rainfall is expected over areas that have already seen recent 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. && $$ BJS
3 follow-up statements
440 WGUS63 KLMK 041445 FFALMK Flood Watch National Weather Service Louisville KY 945 AM CDT Tue May 4 2021 KYZ026-027-065-066-041545- /O.CAN.KLMK.FF.A.0003.000000T0000Z-210505T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ohio-Grayson-Taylor-Casey- Including the cities of Hartford, Liberty, Leitchfield, and Campbellsville 945 AM CDT Tue May 4 2021 /1045 AM EDT Tue May 4 2021/ ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for portions of central Kentucky has been cancelled early as the heaviest rains remained confined to south-central Kentucky. While additional rainfall is forecast later this afternoon and evening, most locations should be able to handle the forecasted amounts outside of the flash flood watch area. $$ KYZ061>064-070>078-081-082-050900- /O.CON.KLMK.FF.A.0003.000000T0000Z-210505T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Butler-Edmonson-Hart-Green-Logan-Warren-Simpson-Allen-Barren-Monroe- Metcalfe-Adair-Russell-Cumberland-Clinton- Including the cities of Albany, Russellville, Columbia, Burkesville, Greensburg, Edmonton, Bowling Green, Tompkinsville, Scottsville, Providence, Horse Cave, Morgantown, Jamestown, Glasgow, Brownsville, and Franklin 945 AM CDT Tue May 4 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT... The Flash Flood Watch continues for * A portion of south central Kentucky, including the following areas, Adair, Allen, Barren, Butler, Clinton, Cumberland, Edmonson, Green, Hart, Logan, Metcalfe, Monroe, Russell, Simpson and Warren. * Through late tonight * Several inches of rain have fallen across the flash flood watch area this morning, with some locations pushing over 6 inches of rain. Another round of showers and storms are expected to move through later this afternoon and evening, and this will likely lead to additional flash flooding issues given very saturated soils in place. 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. && $$ DLM
660 WGUS63 KLMK 050203 FFALMK Flood Watch National Weather Service Louisville KY 903 PM CDT Tue May 4 2021 KYZ061>064-070>078-081-082-050900- /O.CON.KLMK.FF.A.0003.000000T0000Z-210505T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Butler-Edmonson-Hart-Green-Logan-Warren-Simpson-Allen-Barren-Monroe- Metcalfe-Adair-Russell-Cumberland-Clinton- Including the cities of Albany, Russellville, Columbia, Burkesville, Greensburg, Edmonton, Bowling Green, Tompkinsville, Scottsville, Providence, Horse Cave, Morgantown, Jamestown, Glasgow, Brownsville, and Franklin 903 PM CDT Tue May 4 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM CDT WEDNESDAY... The Flash Flood Watch continues for * A portion of south central Kentucky, including the following areas, Adair, Allen, Barren, Butler, Clinton, Cumberland, Edmonson, Green, Hart, Logan, Metcalfe, Monroe, Russell, Simpson and Warren. * Until 4 AM CDT Wednesday * Additional rounds of showers and thunderstorms will move through the watch area overnight and may lead to additional flash flooding over portions of the watch area. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flash Flood Watch means that conditions may develop that lead to Flash Flooding. Flash Flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. Stay tuned to NOAA Weather Radio and your local media for the latest information. && $$ MJ
001 WGUS63 KLMK 050648 FFALMK Flood Watch National Weather Service Louisville KY 148 AM CDT Wed May 5 2021 KYZ061>064-070>078-081-082-050800- /O.CAN.KLMK.FF.A.0003.000000T0000Z-210505T0900Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Butler-Edmonson-Hart-Green-Logan-Warren-Simpson-Allen-Barren-Monroe- Metcalfe-Adair-Russell-Cumberland-Clinton- Including the cities of Albany, Russellville, Columbia, Burkesville, Greensburg, Edmonton, Bowling Green, Tompkinsville, Scottsville, Providence, Horse Cave, Morgantown, Jamestown, Glasgow, Brownsville, and Franklin 148 AM CDT Wed May 5 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of south central Kentucky, including the following areas, Adair, Allen, Barren, Butler, Clinton, Cumberland, Edmonson, Green, Hart, Logan, Metcalfe, Monroe, Russell, Simpson and Warren has been cancelled. The Flood Watch is cancelled. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ JML
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:08 AM CDT | Special Weather Statement | LMK | Warren | 22 min |
| May 4, 12:12 AM CDT | Severe Thunderstorm Warning | LMK | Edmonson, Warren | 33 min |
| May 4, 12:26 AM CDT | Severe Thunderstorm Warning | LMK | Allen, Monroe | 34 min |
| May 4, 12:45 AM CDT | Special Weather Statement | LMK | Edmonson | 15 min |
| May 4, 1:32 AM CDT | Special Weather Statement | LMK | Barren, Warren | 43 min |
| May 4, 1:57 AM CDT | Special Weather Statement | LMK | Metcalfe | 33 min |
| May 4, 2:15 AM CDT | Special Weather Statement | LMK | Monroe | 30 min |
| May 4, 2:18 AM CDT | Special Weather Statement | LMK | Warren | 27 min |
| May 4, 2:43 AM CDT | Special Weather Statement | LMK | Barren | 32 min |
| May 4, 2:54 AM CDT | Special Weather Statement | LMK | Butler | 36 min |
| May 4, 3:13 AM CDT | Severe Thunderstorm Warning | LMK | Barren, Edmonson, Hart | 32 min |
| May 4, 3:22 AM CDT | Severe Thunderstorm Warning | LMK | Clinton, Cumberland | 23 min |
| May 4, 3:27 AM CDT | Flash Flood Warning | LMK | Barren | 3 hr |
| May 4, 3:42 AM CDT | Severe Thunderstorm Warning | LMK | Cumberland, Monroe | 33 min |
| May 4, 3:47 AM CDT | Special Weather Statement | LMK | Adair, Butler, Clinton, Cumberland, Edmonson, Green and 2 more | 28 min |
| May 4, 4:06 AM CDT | Flash Flood Warning | LMK | Cumberland, Monroe | 3 hr |
| May 4, 4:11 AM CDT | Special Weather Statement | LMK | Butler | 34 min |
| May 4, 4:21 AM CDT | Flash Flood Warning | LMK | Butler | 5 hr |
| May 4, 4:24 AM CDT | Special Weather Statement | LMK | Edmonson, Warren | 36 min |
| May 4, 4:51 AM CDT | Flash Flood Warning | LMK | Edmonson, Hart | 3 hr |
| May 4, 5:03 AM CDT | Special Weather Statement | LMK | Green | 27 min |
| May 4, 5:20 AM CDT | Special Weather Statement | LMK | Allen, Barren, Logan, Simpson, Warren | 40 min |
| May 4, 5:21 AM CDT | Flash Flood Warning | LMK | Adair, Cumberland, Metcalfe | 3 hr |
| May 4, 5:49 AM CDT | Flash Flood Warning | LMK | Barren, Edmonson, Metcalfe, Warren | 3 hr |
| May 4, 5:54 AM CDT | Flash Flood Warning | LMK | Logan, Simpson, Warren | 3 hr |
| May 4, 5:58 AM CDT | Special Weather Statement | LMK | Allen, Simpson | 47 min |
| May 4, 6:10 AM CDT | Severe Thunderstorm Warning | LMK | Allen, Simpson | 20 min |
| May 4, 6:26 AM CDT | Special Weather Statement | LMK | Barren, Monroe | 19 min |
| May 4, 6:28 AM CDT | Areal Flood Advisory | LMK | Allen, Barren, Metcalfe, Monroe | 3 hr |
| May 4, 6:43 AM CDT | Special Weather Statement | LMK | Allen, Cumberland, Monroe | 47 min |
| May 4, 6:51 AM CDT | Flash Flood Warning | LMK | Adair, Barren, Clinton, Cumberland, Metcalfe, Monroe and 1 more | 6 hr |
| May 4, 8:46 AM CDT | Areal Flood Warning | LMK | Logan, Simpson, Warren | 3 hr |
| May 4, 8:50 AM CDT | Areal Flood Warning | LMK | Barren, Edmonson, Metcalfe, Warren | 4 hr |
| May 4, 10:12 AM CDT | River Flood Warning | LMK | Cumberland, Monroe | 11 hr |
| May 4, 1:19 PM CDT | River Flood Warning | LMK | Butler, Warren | 4 days |
| May 4, 1:19 PM CDT | River Flood Warning | LMK | Butler, Muhlenberg, Ohio | 5 days |
| May 4, 5:40 PM CDT | Special Weather Statement | LMK | Warren | 50 min |
| May 4, 5:48 PM CDT | Special Weather Statement | LMK | Spencer | 27 min |
| May 4, 6:13 PM CDT | Special Weather Statement | LMK | Simpson | 47 min |
| May 4, 6:26 PM CDT | Special Weather Statement | LMK | Edmonson | 49 min |
| May 4, 6:41 PM CDT | Special Weather Statement | LMK | Butler | 34 min |
| May 4, 6:56 PM CDT | Special Weather Statement | LMK | Butler | 34 min |
Nearby
Flash Flood Watches in Kentucky, 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.