Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 11, NWS Paducah, KY

April 28, 2021Fulton County, Hickman County, Kentucky; Mississippi County, New Madrid County, Missouri

NWS Paducah, KY issued this flash flood warning at Apr 28, 2021, 4:33 PM CDT for Fulton County, Hickman County, Kentucky; Mississippi County, New Madrid County, Missouri. It was in force for 95 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 28, 2021, 4:33 PM CDT (21:33 UTC)
Expired
Apr 28, 2021, 6:08 PM CDT
In force
95 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Fulton County, KY, Hickman County, KY, Mississippi County, MO, New Madrid County, MO

The radar

The Paducah radar (KPAH), 91 km from the middle of the area, began a volume at 21:32 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

Little Rock, AR (KLZK), launched 12:00Z, 9.6 hours before the alert went out and 188 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, Little Rock, AR at 12:00Z on 2021-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 845 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, Little Rock, AR at 12:00Z on 2021-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 78 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
845 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
593 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
78 m²/s²
0-3 km storm-relative helicity
122 m²/s²
Significant tornado parameter
0.4
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted.

032 
WGUS53 KPAH 282133
FFWPAH
KYC075-105-MOC133-143-290130-
/O.NEW.KPAH.FF.W.0011.210428T2133Z-210429T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
433 PM CDT Wed Apr 28 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Fulton County in western Kentucky...
  Hickman County in western Kentucky...
  Southern Mississippi County in southeastern Missouri...
  Central New Madrid County in southeastern Missouri...

* Until 830 PM CDT.

* At 433 PM 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. Some street flooding was reported already as the storms 
  moved through Malden, Missouri.

  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...
  Portageville, East Prairie, New Madrid, Fulton, Hickman, Clinton, 
  Lilbourn, Big Oak Tree State Park, Towosahgy State Historic Site, 
  Hunter-Dawson State Historic Site, Matthews, Marston, Howardville, 
  Canalou, Dorena, Farrenburg, Cayce, Fulgham, Columbus and Catron.

Additional rainfall amounts of 1 to 2 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.

&&

LAT...LON 3642 8972 3678 8970 3677 8882 3650 8882
      3650 8942 3646 8947 3647 8949 3650 8948
      3650 8954 3647 8952 3643 8955 3636 8951
      3634 8952 3634 8955 3640 8959 3640 8967

FLASH FLOOD...RADAR INDICATED

$$

07
2 follow-up statements
761 
WGUS73 KPAH 282210
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
510 PM CDT Wed Apr 28 2021

MOC143-282220-
/O.CAN.KPAH.FF.W.0011.000000T0000Z-210429T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Madrid MO-
510 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL NEW MADRID COUNTY...

Additional rain is not expected to cause more of an imminent 
flooding threat. Please continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 700 PM CDT Thursday for 
portions of southern Illinois...southwest Indiana...western Kentucky 
and southeast Missouri.

LAT...LON 3650 8948 3650 8954 3654 8957 3657 8956
      3658 8953 3657 8948 3654 8947 3663 8936
      3663 8933 3670 8937 3670 8939 3672 8940
      3678 8945 3677 8882 3650 8882 3650 8942
      3653 8947

$$

KYC075-105-MOC133-290130-
/O.CON.KPAH.FF.W.0011.000000T0000Z-210429T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton KY-Hickman KY-Mississippi MO-
510 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT THIS 
EVENING FOR FULTON, HICKMAN, AND SOUTHERN MISSISSIPPI COUNTIES...

At 510 PM 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...
  East Prairie, Fulton, Hickman, Clinton, Towosahgy State Historic 
  Site, Big Oak Tree State Park, Dorena, Cayce, Fulgham, Columbus 
  and Boundurant.

Additional rainfall amounts of 1 to 2 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.

&&

LAT...LON 3650 8948 3650 8954 3654 8957 3657 8956
      3658 8953 3657 8948 3654 8947 3663 8936
      3663 8933 3670 8937 3670 8939 3672 8940
      3678 8945 3677 8882 3650 8882 3650 8942
      3653 8947

FLASH FLOOD...RADAR INDICATED

$$

07
591 
WGUS73 KPAH 282308
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
608 PM CDT Wed Apr 28 2021

KYC075-105-MOC133-282318-
/O.CAN.KPAH.FF.W.0011.000000T0000Z-210429T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton KY-Hickman KY-Mississippi MO-
608 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR FULTON, HICKMAN, AND 
SOUTHERN MISSISSIPPI COUNTIES...

The imminent threat of heavy rain has ended. Please continue to heed 
remaining road closures.

A Flash Flood Watch remains in effect until 700 PM CDT Thursday for 
portions of southern Illinois...southwest Indiana...western 
Kentucky... and southeast Missouri.

LAT...LON 3650 8948 3650 8954 3654 8957 3657 8956
      3658 8953 3657 8948 3654 8947 3663 8936
      3663 8933 3670 8937 3670 8939 3672 8940
      3678 8945 3677 8882 3650 8882 3650 8942
      3653 8947

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:56 PM CDTSevere Thunderstorm WarningPAHFulton49 min
Apr 28, 4:29 PM CDTSpecial Weather StatementPAHFulton46 min
Apr 28, 4:55 PM CDTAreal Flood AdvisoryPAHBallard, Carlisle59 min
Apr 28, 5:18 PM CDTSpecial Weather StatementPAHCarlisle, Graves, Hickman, McCracken42 min
Apr 28, 5:23 PM CDTAreal Flood AdvisoryPAHGraves, McCracken78 min
Apr 28, 5:54 PM CDTSpecial Weather StatementPAHCalloway, Graves, Marshall36 min
Apr 28, 6:05 PM CDTAreal Flood AdvisoryPAHCalloway, Livingston, Marshall93 min
Apr 28, 6:24 PM CDTSevere Thunderstorm WarningPAHCalloway, Marshall36 min
Apr 28, 6:33 PM CDTSpecial Weather StatementPAHLyon27 min
Apr 28, 6:39 PM CDTAreal Flood AdvisoryPAHCaldwell, Lyon, Trigg76 min
Apr 28, 10:19 AM CDTRiver Flood WarningPAHWayne23 hr
Apr 28, 12:35 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley40 min
Apr 28, 1:14 PM CDTSevere Thunderstorm WarningPAHCarter, Ripley28 min
Apr 28, 1:32 PM CDTSevere Thunderstorm WarningPAHWayne43 min
Apr 28, 2:04 PM CDTFlash Flood WarningPAHWayne107 min
Apr 28, 2:15 PM CDTSevere Thunderstorm WarningPAHBollinger45 min
Apr 28, 2:38 PM CDTFlash Flood WarningPAHButler, Ripley117 min
Apr 28, 2:39 PM CDTSpecial Weather StatementPAHButler, Stoddard51 min
Apr 28, 3:26 PM CDTSpecial Weather StatementPAHScott, Stoddard49 min
Apr 28, 3:47 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Scott, Stoddard28 min
Apr 28, 4:10 PM CDTSevere Thunderstorm WarningPAHScott30 min

Nearby

Flash Flood Warnings in Kentucky, 2021Flash Flood Warnings in Missouri, 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.