Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS Paducah, KY

May 4, 2021Christian County, Muhlenberg County, Kentucky

NWS Paducah, KY issued this flash flood warning at May 4, 2021, 3:05 AM CDT for Christian County, Muhlenberg County, Kentucky. It was in force for 7 hr. 2 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
May 4, 2021, 3:05 AM CDT (08:05 UTC)
Expired
May 4, 2021, 10:00 AM CDT
In force
7 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Christian County, KY, Muhlenberg County, KY

The radar

The Ft Campbell radar (KHPX), 45 km from the middle of the area, began a volume at 08:05 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
May 4, 4:30 AM CDTFLASH FLOODGreenville, KYSEVERAL ROADS FLOODED IN GREENVILLE.
May 4, 9:20 AM CDTFLASH FLOOD2 Nw Greenville, KYWATER STILL 18 TO 24 INCHES DEEP OVER KENTUCKY 181 NEAR 601. CAR STALLED OUT. WATER WAS CLOSE TO 4 FEET DEEP EARLIER.

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 00:00Z, 8.1 hours before the alert went out and 123 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 00:00Z on 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2263 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.19395878Sfc1 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
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

Open this sounding in Storm Lab

The text

As transmitted.

189 
WGUS53 KPAH 040805
FFWPAH
KYC047-177-041100-
/O.NEW.KPAH.FF.W.0014.210504T0805Z-210504T1100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
305 AM CDT Tue May 4 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Northern Christian County in south central Kentucky...
  Muhlenberg County in south central Kentucky...

* Until 600 AM CDT.

* At 305 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. 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...
  Crofton, Powderly, Weir, Greenville, Dunmor and Drakesboro.

Additional rainfall amounts of 0.5 to 1.5 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3713 8737 3719 8731 3731 8699 3727 8698
      3724 8691 3718 8689 3718 8692 3715 8693
      3711 8689 3707 8694 3704 8722 3704 8726
      3706 8724 3708 8726 3704 8729 3703 8771
      3715 8768 3711 8752

FLASH FLOOD...RADAR INDICATED

$$

AL
1 follow-up statement
913 
WGUS53 KPAH 041053
FFWPAH
KYC047-177-041500-
/O.EXT.KPAH.FF.W.0014.000000T0000Z-210504T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
553 AM CDT Tue May 4 2021

The National Weather Service in Paducah has extended the

* Flash Flood Warning for...
  Northern Christian County in south central Kentucky...
  Muhlenberg County in south central Kentucky...

* Until 1000 AM CDT.

* At 553 AM CDT, thunderstorms producing heavy rain continue across 
  the warned area. Law enforcement has reported several roads 
  flooding in Greenville. Between 2 and 4 inches of rain have fallen.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Law enforcement.

  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...
  Crofton, Powderly, Weir, Greenville, Dunmor and Drakesboro.

Additional rainfall amounts of 0.5 to 1.5 inches are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
as well as other drainage areas and low lying spots.

&&

LAT...LON 3713 8737 3719 8731 3731 8699 3727 8698
      3724 8691 3718 8689 3718 8692 3715 8693
      3711 8689 3707 8694 3704 8722 3704 8726
      3706 8724 3708 8726 3704 8729 3703 8771
      3715 8768 3711 8752

FLASH FLOOD...OBSERVED

$$

AL

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 11:14 PM CDTSpecial Weather StatementPAHHenderson31 min
May 3, 11:26 PM CDTSpecial Weather StatementPAHLyon34 min
May 3, 11:39 PM CDTSpecial Weather StatementPAHUnion51 min
May 4, 12:02 AM CDTSpecial Weather StatementPAHDaviess43 min
May 4, 1:05 AM CDTSpecial Weather StatementPAHCaldwell25 min
May 4, 1:10 AM CDTSevere Thunderstorm WarningPAHDaviess31 min
May 4, 1:23 AM CDTSpecial Weather StatementPAHHopkins52 min
May 4, 2:00 AM CDTSpecial Weather StatementPAHChristian, Muhlenberg45 min
May 4, 2:02 AM CDTSevere Thunderstorm WarningPAHCarlisle, Fulton, Graves, Hickman43 min
May 4, 2:41 AM CDTSpecial Weather StatementPAHBallard, Caldwell, Livingston, Lyon, McCracken64 min
May 4, 2:50 AM CDTSevere Thunderstorm WarningPAHFulton, Hickman55 min
May 4, 2:51 AM CDTSpecial Weather StatementPAHChristian, Muhlenberg69 min
May 4, 3:10 AM CDTAreal Flood AdvisoryPAHCarlisle, Fulton, Hickman3 hr
May 4, 3:22 AM CDTSpecial Weather StatementPAHCrittenden, Livingston53 min
May 4, 3:35 AM CDTSevere Thunderstorm WarningPAHCarlisle, Fulton, Graves, Hickman40 min
May 4, 3:54 AM CDTSpecial Weather StatementPAHDaviess, McLean51 min
May 4, 3:59 AM CDTTornado WarningPAHCalloway, Graves31 min
May 4, 4:08 AM CDTSevere Thunderstorm WarningPAHCalloway, Christian, Lyon, Marshall, Trigg52 min
May 4, 4:10 AM CDTAreal Flood AdvisoryPAHMcCracken3 hr
May 4, 4:30 AM CDTSevere Thunderstorm WarningPAHCaldwell, Christian, Crittenden, Hopkins, Livingston, Lyon and 1 more45 min
May 4, 4:45 AM CDTFlash Flood WarningPAHCaldwell, Hopkins, Lyon, Muhlenberg5 hr
May 4, 5:06 AM CDTSevere Thunderstorm WarningPAHChristian, Hopkins, Muhlenberg, Todd39 min
May 4, 5:14 AM CDTTornado WarningPAHChristian, Muhlenberg, Todd21 min
May 4, 9:40 AM CDTAreal Flood WarningPAHChristian, Hopkins, Muhlenberg, Todd110 min
May 4, 10:01 AM CDTRiver Flood WarningPAHMuhlenberg6 days

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.