Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 21, NWS Paducah, KY

June 10, 2021Butler County, Missouri

NWS Paducah, KY issued this flash flood warning at Jun 10, 2021, 5:07 PM CDT for Butler County, Missouri. It was in force for 3 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
Jun 10, 2021, 5:07 PM CDT (22:07 UTC)
Expired
Jun 10, 2021, 8:00 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

County Butler County, MO

The radar

The Paducah radar (KPAH), 150 km from the middle of the area, began a volume at 22:08 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, 10.1 hours before the alert went out and 220 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 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1521 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 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.193958Sfc1 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
1521 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

043 
WGUS53 KPAH 102207
FFWPAH
MOC023-110100-
/O.NEW.KPAH.FF.W.0021.210610T2207Z-210611T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
507 PM CDT Thu Jun 10 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Central Butler County in southeastern Missouri...

* Until 800 PM CDT.

* At 507 PM CDT, Radar estimates that 2 to 3 inches of rain has 
  fallen since 4 pm due to thunderstorms in and near Poplar Bluff. 
  Additional moderate to heavy rainfall is expected. 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.

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 3676 9046 3672 9041 3670 9034 3671 9031
      3675 9032 3684 9043 3685 9047 3681 9048
      3678 9048

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...3-4 INCHES IN 1 HOUR AND 30 MINUTES

$$

JGG
1 follow-up statement
289 
WGUS73 KPAH 102328
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
628 PM CDT Thu Jun 10 2021

MOC023-110100-
/O.CON.KPAH.FF.W.0021.000000T0000Z-210611T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Butler MO-
628 PM CDT Thu Jun 10 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING 
FOR CENTRAL BUTLER COUNTY...

At 628 PM CDT, Heavy rain has ended over most of Poplar Bluff, but 
radar estimates 2 to 3 inches of rain fell across the city. Areas of 
flash flooding will remain possible due to runoff from this heavy 
rainfall.

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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3676 9046 3672 9041 3670 9034 3671 9031
      3675 9032 3684 9043 3685 9047 3681 9048
      3678 9048

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...3-4 INCHES IN 1 HOUR AND 30 MINUTES

$$

JGG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 5:34 PM CDTSpecial Weather StatementPAHScott41 min
Jun 10, 6:24 PM CDTAreal Flood AdvisoryPAHButler3 hr

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.