Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 4, NWS Louisville, KY

February 28, 20219 counties in Kentucky

NWS Louisville, KY issued this flash flood warning at Feb 28, 2021, 2:47 PM CST for 9 counties in Kentucky. It was in force for 6 hr. 9 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 28, 2021, 2:47 PM CST (20:47 UTC)
Expired
Feb 28, 2021, 8:45 PM CST
In force
6 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Barren County, KY, Edmonson County, KY, Green County, KY, Hart County, KY, Larue County, KY, Marion County, KY, Metcalfe County, KY, Taylor County, KY, Warren County, KY

The radar

The Louisville radar (KLVX), 68 km from the middle of the area, began a volume at 20:46 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.

What was reported inside it

TimeReportWhereRemark
Feb 28, 3:40 PM CSTFLASH FLOOD1 N Campbellsville, KYWATER FROM TRACE FORK HAS SHUT DOWN MILLER PARK IN CAMPBELLSVILLE. CONTINUE TO HAVE SEVERAL ROADS ACROSS THE COUNTY CLOSED DUE TO HIGH WATER.
Feb 28, 4:00 PM CSTHEAVY RAIN 3.163 E Sweeden, KYMESONET STATION BOWK2 MAMMOTH CAVE BOWLING GREEN 21NNE KY US.
Feb 28, 4:12 PM CSTHEAVY RAIN 4.365 Ese Rhoda, KYMESONET STATION CDSK2 HOUCHIN MEADOW.
Feb 28, 4:47 PM CSTFLASH FLOOD1 N Horse Cave, KYHWY 218 IN HORSE CAVE BECAME IMPASSABLE DUE TO FLOODING.
Feb 28, 4:55 PM CSTHEAVY RAIN 3.781 Ene Hardyville, KYMESONET STATION HDYV MUNFORDVILLE 6 E.
Feb 28, 4:55 PM CSTHEAVY RAIN 3.982 Se Hays, KYMESONET STATION MROK GLASGOW 11 W.
Feb 28, 4:55 PM CSTHEAVY RAIN 4.514 N Black Gnat, KYMESONET STATION BNGL CAMPBELLSVILLE 7 W.
Feb 28, 5:09 PM CSTFLASH FLOOD1 Wsw Monroe, KYHUNDRED ACRE POND RD CLOSED BETWEEN 700-800 BLOCKS AS WELL AS 40-50 BLOCKS DUE TO FLOODING.
Feb 28, 7:10 PM CSTFLASH FLOODCampbellsville, KYCONTINUE HAVING CLOSED ROADS AND NOW WATER RESCUES.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.8 hours before the alert went out and 153 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-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 2021-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 2021-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 480 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
50 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
480 m²/s²
0-3 km storm-relative helicity
488 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

711 
WGUS53 KLMK 282047
FFWLMK
KYC009-061-087-099-123-155-169-217-227-010245-
/O.NEW.KLMK.FF.W.0004.210228T2047Z-210301T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
247 PM CST Sun Feb 28 2021

The National Weather Service in Louisville has issued a

* Flash Flood Warning for...
  Green County in central Kentucky...
  Hart County in central Kentucky...
  Southern Larue County in central Kentucky...
  Marion County in central Kentucky...
  Taylor County in central Kentucky...
  Northern Barren County in south central Kentucky...
  Edmonson County in south central Kentucky...
  Northwestern Metcalfe County in south central Kentucky...
  Northeastern Warren County in south central Kentucky...

* Until 845 PM CST /945 PM EST/.

* At 246 PM CST /346 PM EST/, emergency management reported 
  extensive ponding from heavy rain across the warned area. Between 
  2 and 3 inches of rain have fallen. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Glasgow, Campbellsville, Lebanon, Hodgenville, Greensburg, 
  Munfordville, Brownsville, Three Springs, Monroe and Horse Cave.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

Please report flooding to your local law enforcement agency when you 
can do so safely and have them relay your report to the National 
Weather Service in Louisville.

&&

LAT...LON 3711 8632 3717 8640 3734 8612 3733 8609
      3735 8610 3734 8607 3736 8607 3744 8595
      3744 8589 3747 8589 3756 8576 3758 8561
      3754 8563 3752 8557 3759 8550 3763 8503
      3740 8505 3715 8546 3690 8633

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 2 HOURS 

$$

RAS

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 27, 9:16 PM CSTSpecial Weather StatementLMKClinton44 min
Feb 27, 10:01 PM CSTAreal Flood AdvisoryLMKClinton119 min
Feb 28, 4:20 AM CSTAreal Flood AdvisoryLMKBreckinridge, Bullitt, Hancock, Jefferson, Meade, Ohio and 2 more3 hr
Feb 28, 7:09 AM CSTAreal Flood WarningLMKBullitt, Jefferson, Shelby, Spencer4 hr
Feb 28, 7:30 AM CSTAreal Flood AdvisoryLMKBreckinridge, Hancock, Henry, Meade, Oldham, Trimble4 hr
Feb 28, 8:25 AM CSTAreal Flood WarningLMKFranklin, Harrison, Scott3 hr
Feb 28, 9:27 AM CSTAreal Flood WarningLMKButler, Edmonson, Logan, Simpson, Warren6 hr
Feb 28, 9:31 AM CSTSpecial Weather StatementLMKWarren29 min
Feb 28, 9:33 AM CSTRiver Flood WarningLMKHardin, Nelson5 days
Feb 28, 9:35 AM CSTRiver Flood AdvisoryLMKBullitt25 hr
Feb 28, 9:38 AM CSTSevere Thunderstorm WarningLMKAllen, Logan, Simpson, Warren22 min
Feb 28, 9:41 AM CSTRiver Flood WarningLMKWarren45 hr
Feb 28, 9:43 AM CSTRiver Flood AdvisoryLMKWarren17 hr
Feb 28, 9:48 AM CSTRiver Flood WarningLMKHart4 days
Feb 28, 9:49 AM CSTRiver Flood WarningLMKButler, Warren8 days
Feb 28, 9:51 AM CSTRiver Flood WarningLMKButler, Muhlenberg, Ohio11 days
Feb 28, 9:54 AM CSTRiver Flood WarningLMKOhio21 days
Feb 28, 9:55 AM CSTFlash Flood WarningLMKButler, Logan, Warren8 hr
Feb 28, 9:58 AM CSTRiver Flood WarningLMKFranklin42 hr
Feb 28, 9:59 AM CSTRiver Flood WarningLMKClark, Madison6 days
Feb 28, 10:00 AM CSTRiver Flood WarningLMKGarrard, Jessamine6 days
Feb 28, 10:01 AM CSTRiver Flood WarningLMKGarrard, Jessamine, Mercer6 days
Feb 28, 10:02 AM CSTRiver Flood WarningLMKAnderson, Franklin, Woodford7 days
Feb 28, 10:04 AM CSTRiver Flood WarningLMKCarroll, Henry, Owen8 days
Feb 28, 10:06 AM CSTAreal Flood WarningLMKBreckinridge, Bullitt, Grayson, Hardin, Nelson, Spencer6 hr
Feb 28, 10:06 AM CSTRiver Flood WarningLMKBourbon48 hr
Feb 28, 10:39 AM CSTAreal Flood WarningLMKBarren, Green, Hart, Metcalfe, Taylor6 hr
Feb 28, 10:47 AM CSTRiver Flood WarningLMKNicholas, Robertson21 days
Feb 28, 10:48 AM CSTRiver Flood WarningLMKHarrison26 hr
Feb 28, 10:55 AM CSTAreal Flood WarningLMKBreckinridge, Bullitt, Jefferson, Meade, Oldham, Shelby and 1 more6 hr
Feb 28, 11:20 AM CSTAreal Flood WarningLMKFranklin, Harrison, Scott, Shelby6 hr
Feb 28, 1:15 PM CSTSpecial Weather StatementLMKLogan30 min
Feb 28, 2:23 PM CSTSpecial Weather StatementLMKBarren37 min
Feb 28, 2:43 PM CSTFlash Flood WarningLMKBoyle, Casey, Garrard, Lincoln, Madison6 hr
Feb 28, 4:20 PM CSTAreal Flood WarningLMKAdair, Allen, Barren, Casey, Clinton, Cumberland and 6 more6 hr
Feb 28, 5:07 PM CSTSpecial Weather StatementLMKRussell38 min
Feb 28, 5:19 PM CSTSpecial Weather StatementLMKHancock41 min
Feb 28, 5:40 PM CSTFlash Flood WarningLMKButler, Logan, Warren4 hr

Nearby

Flash Flood Warnings in Kentucky, 2021Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.