Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 23, NWS Paducah, KY

June 21, 2021Fulton County, Hickman County, Kentucky; Mississippi County, New Madrid County, Missouri

NWS Paducah, KY issued this flash flood warning at Jun 21, 2021, 11:33 AM CDT for Fulton County, Hickman County, Kentucky; Mississippi County, New Madrid 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 21, 2021, 11:33 AM CDT (16:33 UTC)
Expired
Jun 21, 2021, 2:30 PM CDT
In force
3 hr
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), 94 km from the middle of the area, began a volume at 16:35 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, 4.6 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 2021-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2000 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 2021-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
2000 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
134 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

240 
WGUS53 KPAH 211633
FFWPAH
KYC075-105-MOC133-143-211930-
/O.NEW.KPAH.FF.W.0023.210621T1633Z-210621T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
1133 AM CDT Mon Jun 21 2021

The National Weather Service in Paducah has issued a

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

* Until 230 PM CDT.

* At 1133 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Radar is estimating rainfall 
  rates of 1 inch in 15 minutes and up to 3 inches in an hour. 
  Between 1 to 2 inches has fallen and an additional 1 to 2 inches 
  is possible before the cold front pushes the heaviest rains south. 
  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...
  Portageville, New Madrid, Fulton, Hickman, Clinton, Lilbourn, Big 
  Oak Tree State Park, Towosahgy State Historic Site, Hunter-Dawson 
  State Historic Site, Gideon, Marston, Howardville, Risco, Dorena, 
  Cayce, Fulgham, Columbus, Tallapoosa, North Lilbourn and 
  Boundurant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3658 8990 3661 8952 3676 8916 3677 8883
      3651 8882 3650 8942 3646 8947 3647 8949
      3650 8948 3650 8954 3647 8952 3643 8955
      3636 8951 3634 8954 3640 8959 3640 8967
      3643 8973 3638 8976 3639 8997 3640 8995

FLASH FLOOD...RADAR INDICATED

$$

ML
2 follow-up statements
292 
WGUS73 KPAH 211825
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
125 PM CDT Mon Jun 21 2021

KYC075-105-MOC133-143-211930-
/O.CON.KPAH.FF.W.0023.000000T0000Z-210621T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton KY-Hickman KY-Mississippi MO-New Madrid MO-
125 PM CDT Mon Jun 21 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CDT THIS 
AFTERNOON FOR FULTON, HICKMAN, SOUTHEASTERN MISSISSIPPI AND SOUTHERN 
NEW MADRID COUNTIES...

At 125 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. While the heaviest rain has moved east, 
radar estimates widespread amounts of 1 to 2 inches have fallen. A 
few locations may have seen up to 3 inches.  Use caution if you are 
out traveling as there may still be standing water in low lying or 
poorly drained areas.

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, New Madrid, Fulton, Hickman, Clinton, Lilbourn, Big 
  Oak Tree State Park, Towosahgy State Historic Site, Hunter-Dawson 
  State Historic Site, Gideon, Marston, Howardville, Risco, Dorena, 
  Cayce, Fulgham, Columbus, Tallapoosa, North Lilbourn and 
  Boundurant.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3658 8990 3661 8952 3676 8916 3677 8883
      3651 8882 3650 8942 3646 8947 3647 8949
      3650 8948 3650 8954 3647 8952 3643 8955
      3636 8951 3634 8954 3640 8959 3640 8967
      3643 8973 3638 8976 3639 8997 3640 8995

FLASH FLOOD...RADAR INDICATED

$$

ML
864 
WGUS73 KPAH 211929
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
229 PM CDT Mon Jun 21 2021

KYC075-105-MOC133-143-211939-
/O.EXP.KPAH.FF.W.0023.000000T0000Z-210621T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fulton KY-Hickman KY-Mississippi MO-New Madrid MO-
229 PM CDT Mon Jun 21 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 230 PM CDT THIS AFTERNOON FOR 
FULTON, HICKMAN, SOUTHEASTERN MISSISSIPPI AND SOUTHERN NEW MADRID 
COUNTIES...

While light rain may continue for the next hour or so, the heavy 
rain has ended. Flooding is no longer expected to pose a threat. 
Please continue to use caution if traveling this afternoon as water 
may be slow to recede in low lying or poorly drained areas.

LAT...LON 3658 8990 3661 8952 3676 8916 3677 8883
      3651 8882 3650 8942 3646 8947 3647 8949
      3650 8948 3650 8954 3647 8952 3643 8955
      3636 8951 3634 8954 3640 8959 3640 8967
      3643 8973 3638 8976 3639 8997 3640 8995

$$

ML

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 12:33 PM CDTFlash Flood WarningPAHCaldwell, Calloway, Graves, Lyon, Marshall, Trigg3 hr
Jun 21, 1:20 PM CDTFlash Flood WarningPAHChristian, Hopkins, Muhlenberg2 hr

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.