Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 18, NWS Paducah, KY

June 2, 2021Calloway County, Marshall County, Trigg County, Kentucky

NWS Paducah, KY issued this flash flood warning at Jun 2, 2021, 4:00 PM CDT for Calloway County, Marshall County, Trigg County, Kentucky. It was in force for 3 hr. 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
Jun 2, 2021, 4:00 PM CDT (21:00 UTC)
Expired
Jun 2, 2021, 7:00 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

Counties Calloway County, KY, Marshall County, KY, Trigg County, KY

The radar

The Paducah radar (KPAH), 68 km from the middle of the area, began a volume at 21:01 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
Jun 2, 4:20 PM CDTFLASH FLOOD2 Sse Dexter, KYNUMEROUS RURAL COUNTY ROADS ARE EITHER FLOODED OR COMPLETELY WASHED OUT FROM NEAR ALMO TO DEXTER AND SURROUNDING AREAS.

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

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 9.0 hours before the alert went out and 152 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 12:00Z on 2021-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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 12:00Z on 2021-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 304 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
4 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
304 m²/s²
0-3 km storm-relative helicity
417 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

224 
WGUS53 KPAH 022100
FFWPAH
KYC035-157-221-030000-
/O.NEW.KPAH.FF.W.0018.210602T2100Z-210603T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
400 PM CDT Wed Jun 2 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Calloway County in western Kentucky...
  Southeastern Marshall County in western Kentucky...
  Trigg County in western Kentucky...

* Until 700 PM CDT.

* At 359 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain have
  already fallen. Flash flooding is ongoing or expected to begin
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  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 flooding include...
  Murray, Cadiz, Land Between The Lakes Area, Canton, Rockcastle,
  Hardin, Aurora, Linton and Kirksey.

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.

Please report flooding to your local law enforcement agency when you
can do so safely.

&&

LAT...LON 3660 8849 3675 8848 3682 8822 3687 8816
      3691 8801 3696 8790 3696 8787 3695 8786
      3699 8771 3666 8785 3668 8807 3658 8804

FLASH FLOOD...RADAR INDICATED

$$

SP
1 follow-up statement
666 
WGUS73 KPAH 022155
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
455 PM CDT Wed Jun 2 2021

KYC035-157-221-030000-
/O.CON.KPAH.FF.W.0018.000000T0000Z-210603T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Calloway KY-Marshall KY-Trigg KY-
455 PM CDT Wed Jun 2 2021

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
CALLOWAY...SOUTHEASTERN MARSHALL AND TRIGG COUNTIES...

At 452 PM CDT, law enforcement reported numerous county roads were 
either flooded or completely washed out from near Almo to Dexter in 
Calloway County. Radar estimates indicate over 3 inches of rain fell 
in this area over the past 3 hours.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Law enforcement.

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 flooding include...
Murray, Cadiz, Land Between The Lakes Area, Canton, Rockcastle,
Hardin, Aurora, Linton and Kirksey.

Additional rainfall amounts of up to 1 inch is possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3660 8849 3675 8848 3682 8822 3687 8816
      3691 8801 3696 8790 3696 8787 3695 8786
      3699 8771 3666 8785 3668 8807 3658 8804

FLASH FLOOD...OBSERVED

$$

SP

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 4:13 PM CDTSpecial Weather StatementPAHTrigg47 min

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