Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 1, NWS Louisville, KY

January 25, 2021Butler County, Edmonson County, Warren County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jan 25, 2021, 5:51 PM CST for Butler County, Edmonson County, Warren County, Kentucky. It was in force for 3 hr. 1 report 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
Jan 25, 2021, 5:51 PM CST (23:51 UTC)
Expired
Jan 25, 2021, 8:56 PM CST
In force
3 hr
Issued by
NWS Louisville, KY
Area
Storm-based polygon
Flood severity
None

Counties Butler County, KY, Edmonson County, KY, Warren County, KY

The radar

The Ft Campbell radar (KHPX), 69 km from the middle of the area, began a volume at 23:52 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
Jan 25, 7:10 PM CSTFLASH FLOOD3 Se Morgantown, KYMULTIPLE COUNTY ROADS UNDER WATER, INCLUDING PORTIONS OF WOODBURY LOOP AND BROOKLYN CHAPEL ROAD.

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, 11.9 hours before the alert went out and 112 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 2021-01-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-01-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 255 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
438 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
255 m²/s²
0-3 km storm-relative helicity
384 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

204 
WGUS53 KLMK 252351
FFWLMK
KYC031-061-227-260400-
/O.NEW.KLMK.FF.W.0001.210125T2351Z-210126T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Louisville KY
551 PM CST Mon Jan 25 2021

The National Weather Service in Louisville has issued a

* Flash Flood Warning for...
  Southern Butler County in south central Kentucky...
  West Central Edmonson County in south central Kentucky...
  Northwestern Warren County in south central Kentucky...

* Until 1000 PM CST.

* At 550 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 3 and 4 inches of rain 
  have fallen since this morning. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  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...
  Brownsville, Woodbury, Guy, Riverside, Benleo, Sugar Grove, 
  Youngtown, Dimple, Leetown and Reedyville.

Additional rainfall amounts of 1 to 2 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3714 8691 3726 8637 3725 8629 3720 8625
      3715 8642 3715 8643 3710 8648 3709 8664
      3704 8682 3707 8694 3709 8690 3711 8690
      3711 8689 3713 8690 3713 8691

FLASH FLOOD...RADAR INDICATED

$$

DLM
1 follow-up statement
977 
WGUS73 KLMK 260256
FFSLMK

Flash Flood Statement
National Weather Service Louisville KY
856 PM CST Mon Jan 25 2021

KYC031-061-227-260306-
/O.CAN.KLMK.FF.W.0001.000000T0000Z-210126T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler KY-Edmonson KY-Warren KY-
856 PM CST Mon Jan 25 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN BUTLER, WEST 
CENTRAL EDMONSON AND NORTHWESTERN WARREN COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3714 8691 3726 8637 3725 8629 3720 8625
      3715 8642 3715 8643 3710 8648 3709 8664
      3704 8682 3707 8694 3709 8690 3711 8690
      3711 8689 3713 8690 3713 8691

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 25, 1:00 PM CSTSpecial Weather StatementLMKAdair, Allen, Barren, Green, Marion, Metcalfe and 3 more45 min
Jan 25, 1:22 PM CSTSevere Thunderstorm WarningLMKBarren, Metcalfe, Monroe23 min
Jan 25, 1:35 PM CSTSevere Thunderstorm WarningLMKAllen, Barren, Monroe25 min
Jan 25, 2:08 PM CSTSevere Thunderstorm WarningLMKClinton, Cumberland, Monroe37 min
Jan 25, 4:19 PM CSTSpecial Weather StatementLMKMonroe26 min
Jan 25, 4:36 PM CSTSpecial Weather StatementLMKMetcalfe24 min
Jan 25, 4:47 PM CSTSpecial Weather StatementLMKAllen, Monroe28 min
Jan 25, 5:00 PM CSTSpecial Weather StatementLMKRussell30 min
Jan 25, 5:13 PM CSTAreal Flood AdvisoryLMKButler, Logan, Warren3 hr
Jan 25, 5:14 PM CSTAreal Flood AdvisoryLMKAllen, Barren, Logan, Monroe, Simpson, Warren6 hr
Jan 25, 5:56 PM CSTRiver Flood AdvisoryLMKOhio3 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.