Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 10, NWS Paducah, KY

April 28, 2021Butler County, Ripley County, Missouri

NWS Paducah, KY issued this flash flood warning at Apr 28, 2021, 2:38 PM CDT for Butler County, Ripley County, Missouri. It was in force for 117 min. 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
Apr 28, 2021, 2:38 PM CDT (19:38 UTC)
Expired
Apr 28, 2021, 4:35 PM CDT
In force
117 min
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Butler County, MO, Ripley County, MO

The radar

The Paducah radar (KPAH), 144 km from the middle of the area, began a volume at 19:42 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
Apr 28, 3:10 PM CDTFLASH FLOODPoplar Bluff, MOFLASH FLOODING OF LOW LYING STREETS IN POPLAR BLUFF. MEASURED 1.20 INCHES IN PAST 30 MINUTES.

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

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 7.6 hours before the alert went out and 214 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.

103 
WGUS53 KPAH 281938
FFWPAH
MOC023-181-282330-
/O.NEW.KPAH.FF.W.0010.210428T1938Z-210428T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Butler County in southeastern Missouri...
  Eastern Ripley County in southeastern Missouri...

* Until 630 PM CDT.

* At 238 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across eastern Ripley and western Butler Counties. This 
  area of storms will continue to move east across the warned area. 
  Flash flooding is ongoing or expected to begin shortly. There are 
  reports of three-quarters of an inch of rain falling in 20 minutes.

  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...
  Poplar Bluff, Doniphan, Naylor, Neelyville, Qulin, Fisk, Harviell, 
  Fairdealing, Milltown, Hendrickson, Oxly, Budapest, Brush Arbor 
  and Rombauer.

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.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3681 9066 3693 9067 3692 9026 3689 9025
      3686 9025 3685 9022 3682 9022 3679 9020
      3677 9021 3677 9019 3672 9015 3664 9014
      3661 9017 3661 9016 3659 9019 3654 9019
      3654 9021 3650 9022 3650 9085 3681 9084

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR 

$$

ML
2 follow-up statements
925 
WGUS73 KPAH 282029
FFSPAH

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

MOC181-282039-
/O.CAN.KPAH.FF.W.0010.000000T0000Z-210428T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ripley MO-
329 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN RIPLEY COUNTY...

Heavy rain has moved east out of the county. 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 3681 9066 3693 9067 3692 9026 3686 9025
      3685 9022 3682 9022 3679 9020 3677 9021
      3677 9019 3672 9015 3664 9014 3659 9019
      3654 9019 3654 9021 3650 9022 3650 9058
      3659 9058 3668 9059 3668 9063 3681 9063

$$

MOC023-282330-
/O.CON.KPAH.FF.W.0010.000000T0000Z-210428T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler MO-
329 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT THIS 
EVENING FOR BUTLER COUNTY...

At 329 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across eastern Butler County. 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...
  Poplar Bluff, Neelyville, Qulin, Fisk, Harviell, Hendrickson, 
  Milltown, Brush Arbor and Rombauer.

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.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3681 9066 3693 9067 3692 9026 3686 9025
      3685 9022 3682 9022 3679 9020 3677 9021
      3677 9019 3672 9015 3664 9014 3659 9019
      3654 9019 3654 9021 3650 9022 3650 9058
      3659 9058 3668 9059 3668 9063 3681 9063

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR 

$$

ML
196 
WGUS73 KPAH 282135
FFSPAH

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

MOC023-282145-
/O.CAN.KPAH.FF.W.0010.000000T0000Z-210428T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler MO-
435 PM CDT Wed Apr 28 2021

...FLASH FLOOD WARNING IS CANCELLED FOR BUTLER COUNTY...

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 3681 9066 3693 9067 3692 9026 3686 9025
      3685 9022 3682 9022 3679 9020 3677 9021
      3677 9019 3672 9015 3664 9014 3659 9019
      3654 9019 3654 9021 3650 9022 3650 9058
      3659 9058 3668 9059 3668 9063 3681 9063

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
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, 2:39 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, 3:56 PM CDTSevere Thunderstorm WarningPAHNew Madrid, Scott, Stoddard49 min
Apr 28, 4:10 PM CDTSevere Thunderstorm WarningPAHScott30 min
Apr 28, 4:29 PM CDTSpecial Weather StatementPAHMississippi46 min
Apr 28, 4:33 PM CDTFlash Flood WarningPAHMississippi, New Madrid95 min
Apr 28, 4:55 PM CDTAreal Flood AdvisoryPAHMississippi59 min

Nearby

Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.