Alert archive / Kentucky / Flash Flood Warnings in 2021

Flash Flood Warning 16, NWS Paducah, KY

May 4, 2021Todd County, Kentucky

NWS Paducah, KY issued this flash flood warning at May 4, 2021, 7:57 PM CDT for Todd 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
May 4, 2021, 7:57 PM CDT (00:57 UTC)
Expired
May 4, 2021, 11:00 PM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

County Todd County, KY

The radar

The Ft Campbell radar (KHPX), 25 km from the middle of the area, began a volume at 00:57 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
May 4, 9:30 PM CDTFLASH FLOOD3 Wsw Sharon Grove, KYMULTIPLE REPORTS OF WATER OVER MANY STATE AND COUNTY ROADS, INCLUDING HIGHLAND LICK, MT. SHARON, COLLIER SPRINGS, LIBERTY, WHITE AND OTHERS.

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 00:00Z, 1.0 hours before the alert went out and 105 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 00:00Z on 2021-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 539 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 00:00Z on 2021-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.1939587897117Sfc1 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
539 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
244 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

102 
WGUS53 KPAH 050057
FFWPAH
KYC219-050400-
/O.NEW.KPAH.FF.W.0016.210505T0057Z-210505T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Paducah KY
757 PM CDT Tue May 4 2021

The National Weather Service in Paducah has issued a

* Flash Flood Warning for...
  Northern Todd County in south central Kentucky...

* Until 1100 PM CDT.

* At 757 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...
  Allegre and Clifty.

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.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3703 8727 3704 8706 3686 8706 3679 8731

FLASH FLOOD...RADAR INDICATED

$$

DWS
2 follow-up statements
719 
WGUS73 KPAH 050306
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
1006 PM CDT Tue May 4 2021

KYC219-050400-
/O.CON.KPAH.FF.W.0016.000000T0000Z-210505T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Todd KY-
1006 PM CDT Tue May 4 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CDT THIS 
EVENING FOR NORTHERN TODD COUNTY...

At 1006 PM CDT, emergency management reported multiple reports of 
flooding roads across northern Todd County, including Highland, 
Mount Sharon, Collier Springs, Liberty, White, and others. Between 2 
and 4 inches of rain have fallen.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management.

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...
  Allegre and Clifty.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

&&

LAT...LON 3703 8727 3704 8706 3686 8706 3679 8731

FLASH FLOOD...OBSERVED

$$

DWS
085 
WGUS73 KPAH 050359
FFSPAH

Flash Flood Statement
National Weather Service Paducah KY
1059 PM CDT Tue May 4 2021

KYC219-050409-
/O.EXP.KPAH.FF.W.0016.000000T0000Z-210505T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Todd KY-
1059 PM CDT Tue May 4 2021

...FLASH FLOOD WARNING AT 11 PM CDT THIS EVENING FOR NORTHERN TODD 
COUNTY HAS BEEN REPLACED WITH A FLOOD WARNING...

The heavy rain has ended, but widespread flooding of roads across 
northern Todd County will likely continue overnight. Use extreme 
caution if driving overnight in this area,

LAT...LON 3703 8727 3704 8706 3686 8706 3679 8731

$$

DWS

The office that day

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

IssuedProductOfficeCountiesLasted
May 4, 8:01 PM CDTAreal Flood AdvisoryPAHChristian29 min
May 4, 8:30 PM CDTFlash Flood WarningPAHChristian3 hr
May 4, 9:25 PM CDTAreal Flood AdvisoryPAHMuhlenberg2 hr
May 4, 9:59 PM CDTRiver Flood WarningPAHChristian, Trigg13 hr
May 4, 9:59 PM CDTRiver Flood WarningPAHChristian, Trigg105 min
May 4, 10:58 PM CDTAreal Flood WarningPAHTodd8 hr

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.