Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 28, NWS Paducah, KY

July 10, 20215 counties in Kentucky

NWS Paducah, KY issued this flash flood warning at Jul 10, 2021, 10:03 PM CDT for 5 counties in Kentucky. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 10, 2021, 10:03 PM CDT (03:03 UTC)
Expired
Jul 11, 2021, 4:00 AM CDT
In force
6 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Caldwell County, KY, Christian County, KY, Hopkins County, KY, Muhlenberg County, KY, Todd County, KY

The radar

The Ft Campbell radar (KHPX), 59 km from the middle of the area, began a volume at 03:04 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, 3.1 hours before the alert went out and 144 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 2021-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 624 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 00:00Z on 2021-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 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
624 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

061 
WGUS53 KPAH 110303
FFWPAH
KYC033-047-107-177-219-110900-
/O.NEW.KPAH.FF.W.0028.210711T0303Z-210711T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
1003 PM CDT Sat Jul 10 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Hopkins County in northwestern Kentucky...
  Northern Christian County in south central Kentucky...
  Muhlenberg County in south central Kentucky...
  Northern Todd County in south central Kentucky...
  Caldwell County in western Kentucky...

* Until 400 AM CDT.

* At 1003 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Madisonville, Princeton, Central City, Dawson Springs, Earlington, 
  Nortonville, Mortons Gap, Crofton, Powderly, Graham, Weir, 
  Greenville, Olney, Dunmor, Farmersville, Creswell, White Plains, 
  Drakesboro, St. Charles and Nebo.

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.

Be aware of your surroundings and do not drive on flooded roads.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3736 8783 3735 8783 3738 8775 3740 8733
      3738 8722 3741 8716 3738 8709 3733 8714
      3733 8710 3737 8708 3723 8693 3707 8696
      3706 8705 3704 8705 3694 8746 3717 8804
      3718 8809

FLASH FLOOD...RADAR INDICATED

$$

SMITH
1 follow-up statement
975 
WGUS73 KPAH 110852
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
Issued by National Weather Service Springfield MO
352 AM CDT Sun Jul 11 2021

KYC033-047-107-177-219-110902-
/O.EXP.KPAH.FF.W.0028.000000T0000Z-210711T0900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Caldwell KY-Christian KY-Hopkins KY-Muhlenberg KY-Todd KY-
352 AM CDT Sun Jul 11 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 4 AM CDT EARLY THIS MORNING 
FOR HOPKINS, NORTHERN CHRISTIAN, MUHLENBERG, NORTHEASTERN TODD AND 
CALDWELL COUNTIES...

While some light to moderate rain will continue, flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3736 8783 3735 8783 3738 8775 3740 8733
      3738 8722 3741 8716 3738 8709 3733 8714
      3733 8710 3737 8708 3723 8693 3707 8696
      3706 8705 3704 8705 3694 8746 3717 8804
      3718 8809

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:00 PM CDTSpecial Weather StatementPAHCrittenden, Livingston45 min
Jul 10, 7:10 PM CDTSpecial Weather StatementPAHHenderson50 min
Jul 10, 7:43 PM CDTSpecial Weather StatementPAHHopkins, McLean, Muhlenberg, Webster47 min
Jul 10, 7:51 PM CDTSpecial Weather StatementPAHDaviess24 min
Jul 10, 8:00 PM CDTSevere Thunderstorm WarningPAHChristian, Muhlenberg, Todd18 min
Jul 10, 8:14 PM CDTSevere Thunderstorm WarningPAHCaldwell, Christian, Hopkins24 min
Jul 10, 8:29 PM CDTSpecial Weather StatementPAHMuhlenberg46 min
Jul 10, 9:03 PM CDTSevere Thunderstorm WarningPAHChristian9 min
Jul 10, 9:22 PM CDTSpecial Weather StatementPAHLivingston38 min
Jul 10, 10:29 PM CDTFlash Flood WarningPAHCrittenden, Livingston6 hr
Jul 10, 10:55 PM CDTSpecial Weather StatementPAHCaldwell50 min
Jul 10, 11:24 PM CDTSpecial Weather StatementPAHBallard, Carlisle, Hickman51 min
Jul 10, 11:35 PM CDTSevere Thunderstorm WarningPAHGraves, McCracken21 min
Jul 11, 12:25 AM CDTSpecial Weather StatementPAHMuhlenberg50 min
Jul 11, 2:26 AM CDTSevere Thunderstorm WarningPAHChristian21 min
Jul 11, 2:37 AM CDTSevere Thunderstorm WarningPAHChristian, Todd23 min
Jul 11, 2:40 AM CDTTornado WarningPAHChristian, Todd35 min
Jul 11, 4:34 AM CDTAreal Flood WarningPAHCrittenden, Livingston3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.