Alert archive / Tennessee / Flash Flood Warnings in 2022

Flash Flood Warning 13, NWS Memphis, TN

August 5, 2022Carroll County, Henry County, Weakley County, Tennessee

NWS Memphis, TN issued this flash flood warning at Aug 5, 2022, 6:58 AM CDT for Carroll County, Henry County, Weakley County, Tennessee. 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
Aug 5, 2022, 6:58 AM CDT (11:58 UTC)
Expired
Aug 5, 2022, 10:00 AM CDT
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Carroll County, TN, Henry County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 95 km from the middle of the area, began a volume at 11:58 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

Nashville Metro, TN (KBNA), launched 00:00Z, 12.0 hours before the alert went out and 174 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 2022-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 762 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 2022-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
762 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1413 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

458 
WGUS54 KMEG 051158
FFWMEG
TNC017-079-183-051500-
/O.NEW.KMEG.FF.W.0013.220805T1158Z-220805T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
658 AM CDT Fri Aug 5 2022

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Northwestern Carroll County in Tennessee...
  Henry County in Tennessee...
  Eastern Weakley County in Tennessee...

* Until 1000 AM CDT.

* At 658 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Additional rainfall amounts up to 1 inch are possible 
  in the warned area. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Paris, McKenzie, Dresden, Greenfield, Gleason, Sharon, Cottage 
  Grove, Routon, Palmersville, Puryear, Henry, Como, Osage, Ore 
  Springs, Whitlock, Porter Court, Jones Mill, Foundry Hill, Mill 
  Creek and Van Dyke.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3612 8835 3606 8859 3609 8874 3611 8876
      3612 8884 3624 8882 3636 8873 3650 8854
      3650 8810 3631 8812

FLASH FLOOD...RADAR INDICATED

$$

KRM
2 follow-up statements
315 
WGUS74 KMEG 051410
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
910 AM CDT Fri Aug 5 2022

TNC017-079-183-051500-
/O.CON.KMEG.FF.W.0013.000000T0000Z-220805T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll TN-Henry TN-Weakley TN-
910 AM CDT Fri Aug 5 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS 
MORNING FOR NORTHWESTERN CARROLL, HENRY AND EASTERN WEAKLEY 
COUNTIES...

At 910 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 3 inches of rain have 
fallen. Additional rainfall amounts up to 1 inch are possible in the 
warned area. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Paris, McKenzie, Dresden, Greenfield, Gleason, Sharon, Cottage 
  Grove, Routon, Palmersville, Puryear, Henry, Como, Osage, Ore 
  Springs, Whitlock, Porter Court, Jones Mill, Foundry Hill, Mill 
  Creek and Van Dyke.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3612 8835 3606 8859 3609 8874 3611 8876
      3612 8884 3624 8882 3636 8873 3650 8854
      3650 8810 3631 8812

FLASH FLOOD...RADAR INDICATED

$$
276 
WGUS74 KMEG 051456
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
956 AM CDT Fri Aug 5 2022

TNC017-079-183-051506-
/O.EXP.KMEG.FF.W.0013.000000T0000Z-220805T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll TN-Henry TN-Weakley TN-
956 AM CDT Fri Aug 5 2022

...FLASH FLOOD WARNING WILL EXPIRE AT 10 AM CDT THIS MORNING FOR 
NORTHWESTERN CARROLL, HENRY AND EASTERN WEAKLEY COUNTIES...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3612 8835 3606 8859 3609 8874 3611 8876
      3612 8884 3624 8882 3636 8873 3650 8854
      3650 8810 3631 8812

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 5:44 AM CDTAreal Flood AdvisoryMEGBenton, Carroll, Gibson, Henry, Weakley3 hr
Aug 5, 10:40 AM CDTAreal Flood WarningMEGCarroll, Gibson, Weakley3 hr
Aug 5, 4:38 PM CDTAreal Flood AdvisoryMEGShelby3 hr
Aug 5, 4:43 PM CDTSpecial Weather StatementMEGShelby32 min
Aug 5, 5:22 PM CDTFlash Flood WarningMEGShelby43 min

Nearby

Flash Flood Warnings in Tennessee, 2022Every flash flood warning in 2022

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.