Alert archive / Tennessee / Flash Flood Warnings in 2021

Flash Flood Warning 24, NWS Nashville, TN

March 27, 20218 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Mar 27, 2021, 11:08 PM CDT for 8 counties in Tennessee. It was in force for 11 hr. 2 reports 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: Mar 27, 2021, 11:08 PM CDT (04:08 UTC)
Expired: Mar 28, 2021, 10:00 AM CDT
In force: 11 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Clay County, TN, Jackson County, TN, Macon County, TN, Putnam County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 50 km from the middle of the area, began a volume at 04:10 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

Time	Report	Where	Remark
Mar 28, 1:11 AM CDT	FLASH FLOOD	Gainesboro, TN	ASH LANE NEAR JACKSON COUNTY 911 IS FLOODED
Mar 28, 1:20 AM CDT	FLASH FLOOD	Celina, TN	NUMEROUS ROADS FLOODED ACROSS CLAY COUNTY INCLUDING WET MILL CREEK RD...PITCOCK LN...KYLE ST AT WEST LAKE AVE...WILLIAMSON ST...POOR HOUSE RD...FREE HILL RIVER RD...ARCOTT RD...TURKEY CREEK RD...NEW HOPE RD...FINUS CHERRY...TRACE CREEK RD...LEONARD RD...LUTHER

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, 4.1 hours before the alert went out and 55 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 200 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 458 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

As transmitted.

381 
WGUS54 KOHX 280408
FFWOHX
TNC027-087-111-141-159-165-169-189-281000-
/O.NEW.KOHX.FF.W.0024.210328T0408Z-210328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Nashville TN
1108 PM CDT Sat Mar 27 2021

The National Weather Service in Nashville has issued a

* Flash Flood Warning for...
  Clay County in middle Tennessee...
  Jackson County in middle Tennessee...
  Macon County in middle Tennessee...
  Northwestern Putnam County in middle Tennessee...
  Smith County in middle Tennessee...
  Northeastern Sumner County in middle Tennessee...
  Trousdale County in middle Tennessee...
  Northeastern Wilson County in middle Tennessee...

* Until 500 AM CDT.

* At 1108 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Lafayette, Carthage, Celina, Gainesboro, Hartsville, Westmoreland, 
  Gordonsville, Red Boiling Springs, Hickman, South Carthage, 
  Alexandria, Pleasant Shade, Granville, Dixon Springs, 
  Whitleyville, Moss and Cummins Falls State Park.

Areas of concern include Peyton Creek including Pleasant Shade, 
Dixon Creek including Dixon Springs, Goose Creek including Beech 
Grove and Halltown, Little Goose Creek including Hartsville, 
Jennings Creek including Willette, North Springs, and Whitleyville, 
and Salt Lick Creek including Red Boiling Springs.

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 3636 8627 3664 8623 3661 8548 3624 8551
      3610 8595 3611 8596 3608 8602 3609 8606
      3607 8606 3607 8607 3628 8616

FLASH FLOOD...RADAR INDICATED

$$

LaRosa

2 follow-up statements

658 
WGUS74 KOHX 280633
FFSOHX

Flash Flood Statement
National Weather Service Nashville TN
133 AM CDT Sun Mar 28 2021

TNC027-087-111-141-159-165-169-189-281000-
/O.CON.KOHX.FF.W.0024.000000T0000Z-210328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay TN-Jackson TN-Macon TN-Putnam TN-Smith TN-Sumner TN-Trousdale
TN-Wilson TN-
133 AM CDT Sun Mar 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 5 AM CDT EARLY THIS 
MORNING FOR CLAY, JACKSON, MACON, NORTHWESTERN PUTNAM, SMITH, 
NORTHEASTERN SUMNER, TROUSDALE AND NORTHEASTERN WILSON COUNTIES...

At 133 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. 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...
  Lafayette, Carthage, Celina, Gainesboro, Hartsville, Westmoreland, 
  Gordonsville, Red Boiling Springs, Hickman, South Carthage, 
  Alexandria, Pleasant Shade, Granville, Dixon Springs, 
  Whitleyville, Moss and Cummins Falls State Park.

Areas of concern include the Carthage area, Peyton Creek including 
Pleasant Shade, Round Lick Creek, Defeated Creek including areas 
near Defeated, and Mulherrin Creek including New Middleton and 
Gordonsville.

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 3636 8627 3664 8623 3661 8548 3624 8551
      3610 8595 3611 8596 3608 8602 3609 8606
      3607 8606 3607 8607 3628 8616

FLASH FLOOD...RADAR INDICATED

$$

LaRosa

239 
WGUS54 KOHX 280947
FFWOHX
TNC027-087-111-141-159-165-169-189-281500-
/O.EXT.KOHX.FF.W.0024.000000T0000Z-210328T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Nashville TN
447 AM CDT Sun Mar 28 2021

The National Weather Service in Nashville has extended the

* Flash Flood Warning for...
  Clay County in middle Tennessee...
  Jackson County in middle Tennessee...
  Macon County in middle Tennessee...
  Northwestern Putnam County in middle Tennessee...
  Smith County in middle Tennessee...
  Northeastern Sumner County in middle Tennessee...
  Trousdale County in middle Tennessee...
  Northeastern Wilson County in middle Tennessee...

* Until 1000 AM CDT.

* At 447 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. 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...
  Lafayette, Carthage, Celina, Gainesboro, Hartsville, Westmoreland, 
  Gordonsville, Red Boiling Springs, Hickman, South Carthage, 
  Alexandria, Pleasant Shade, Granville, Dixon Springs, 
  Whitleyville, Moss and Cummins Falls State Park.

The intense rainfall has weakened to moderate rain showers which 
will gradually taper off through the night, but the risk for 
dangerous flash flooding remains.

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 3636 8627 3664 8623 3661 8548 3624 8551
      3610 8595 3611 8596 3608 8602 3609 8606
      3607 8606 3607 8607 3628 8616

FLASH FLOOD...RADAR INDICATED

$$

LaRosa

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 7:05 PM CDT	Special Weather Statement	OHX	Maury	40 min
Mar 27, 7:13 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lewis, Maury	32 min
Mar 27, 7:32 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, DeKalb, Rutherford, Warren	43 min
Mar 27, 7:35 PM CDT	Flash Flood Warning	OHX	Bedford, Cannon, Rutherford, Williamson	3 hr
Mar 27, 7:35 PM CDT	Special Weather Statement	OHX	DeKalb	40 min
Mar 27, 7:39 PM CDT	Special Weather Statement	OHX	Davidson	36 min
Mar 27, 8:04 PM CDT	Special Weather Statement	OHX	Davidson	26 min
Mar 27, 8:08 PM CDT	Special Weather Statement	OHX	Hickman	37 min
Mar 27, 8:14 PM CDT	Special Weather Statement	OHX	Van Buren, Warren, White	31 min
Mar 27, 8:46 PM CDT	Special Weather Statement	OHX	Cumberland, White	44 min
Mar 27, 8:49 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Perry	41 min
Mar 27, 9:00 PM CDT	Special Weather Statement	OHX	Rutherford	45 min
Mar 27, 9:02 PM CDT	Flash Flood Warning	OHX	Dickson, Hickman, Humphreys, Lewis, Maury, Perry	14 hr
Mar 27, 9:13 PM CDT	Special Weather Statement	OHX	Davidson	47 min
Mar 27, 9:22 PM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson, Williamson	14 hr
Mar 27, 9:27 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Maury	33 min
Mar 27, 9:35 PM CDT	Flash Flood Warning	OHX	Marshall, Maury, Rutherford, Williamson	13 hr
Mar 27, 9:45 PM CDT	Special Weather Statement	OHX	Cumberland	45 min
Mar 27, 9:49 PM CDT	River Flood Warning	OHX	Hickman	6 days
Mar 27, 9:55 PM CDT	Severe Thunderstorm Warning	OHX	Cumberland, White	20 min
Mar 27, 9:59 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Maury, Williamson	31 min
Mar 27, 10:05 PM CDT	Flash Flood Warning	OHX	Cheatham, Davidson, Dickson, Robertson	11 hr
Mar 27, 10:09 PM CDT	Flash Flood Warning	OHX	Davidson, Rutherford, Wilson	11 hr
Mar 27, 10:17 PM CDT	Flash Flood Warning	OHX	Cannon, DeKalb, Putnam, Smith, Van Buren, Warren and 1 more	12 hr
Mar 27, 10:20 PM CDT	Flash Flood Warning	OHX	Dickson, Houston, Humphreys	11 hr
Mar 27, 10:29 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson	31 min
Mar 27, 10:37 PM CDT	Flash Flood Warning	OHX	Bedford, Cannon, Coffee, Rutherford, Warren, Williamson and 1 more	11 hr
Mar 27, 10:45 PM CDT	River Flood Warning	OHX	Perry	65 hr
Mar 27, 10:52 PM CDT	River Flood Advisory	OHX	Davidson	13 days
Mar 27, 11:02 PM CDT	Special Weather Statement	OHX	Dickson, Hickman, Humphreys, Perry	43 min
Mar 27, 11:13 PM CDT	Special Weather Statement	OHX	Wilson	32 min
Mar 27, 11:37 PM CDT	River Flood Advisory	OHX	Humphreys	3 days
Mar 27, 11:37 PM CDT	River Flood Advisory	OHX	Maury	3 hr
Mar 27, 11:37 PM CDT	Special Weather Statement	OHX	Davidson	23 min
Mar 27, 11:40 PM CDT	Special Weather Statement	OHX	Smith, Wilson	35 min
Mar 27, 11:44 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Williamson, Wilson	31 min
Mar 27, 11:57 PM CDT	Flash Flood Warning	OHX	Clay, Fentress, Overton, Pickett, Putnam	11 hr
Mar 28, 12:04 AM CDT	Flash Flood Warning	OHX	Davidson, Robertson, Sumner, Trousdale, Wilson	6 hr
Mar 28, 12:13 AM CDT	River Flood Warning	OHX	Davidson	11 hr
Mar 28, 12:13 AM CDT	River Flood Warning	OHX	Davidson	6 hr
Mar 28, 12:13 AM CDT	River Flood Warning	OHX	Davidson	15 hr
Mar 28, 12:13 AM CDT	River Flood Warning	OHX	Davidson	15 hr
Mar 28, 12:15 AM CDT	Special Weather Statement	OHX	Wilson	30 min
Mar 28, 12:17 AM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis, Perry, Wayne	43 min
Mar 28, 12:41 AM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	OHX	Davidson, Williamson, Wilson	4 hr
Mar 28, 12:54 AM CDT	Severe Thunderstorm Warning	OHX	Giles, Hickman, Lawrence, Lewis, Marshall, Maury and 2 more	36 min
Mar 28, 1:02 AM CDT	River Flood Warning	OHX	Hickman	18 hr
Mar 28, 1:13 AM CDT	Special Weather Statement	OHX	Smith	32 min
Mar 28, 1:25 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Cannon, Coffee, Giles, Lawrence, Marshall and 3 more	35 min
Mar 28, 1:34 AM CDT	Special Weather Statement	OHX	Fentress, Overton, Putnam	41 min
Mar 28, 1:44 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	31 min
Mar 28, 1:54 AM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Lawrence, Marshall	36 min
Mar 28, 2:07 AM CDT	River Flood Warning	OHX	Maury	69 hr
Mar 28, 2:09 AM CDT	Special Weather Statement	OHX	DeKalb, Putnam	51 min
Mar 28, 2:36 AM CDT	Areal Flood Advisory	OHX	Giles, Lawrence, Marshall, Wayne	6 hr
Mar 28, 2:57 AM CDT	Special Weather Statement	OHX	Coffee, Grundy, Van Buren, Warren	63 min
Mar 28, 2:58 AM CDT	Special Weather Statement	OHX	Cumberland, Fentress, White	77 min
Mar 28, 3:25 AM CDT	River Flood Warning	OHX	Davidson	61 hr
Mar 28, 3:25 AM CDT	River Flood Warning	OHX	Davidson	18 hr
Mar 28, 3:25 AM CDT	River Flood Warning	OHX	Davidson	61 hr
Mar 28, 3:25 AM CDT	River Flood Warning	OHX	Davidson	61 hr
Mar 28, 3:25 AM CDT	River Flood Warning	OHX	Davidson	61 hr
Mar 28, 3:30 AM CDT	River Flood Warning	OHX	Davidson	63 hr
Mar 28, 3:30 AM CDT	River Flood Warning	OHX	Davidson	63 hr
Mar 28, 3:54 AM CDT	River Flood Warning	OHX	Humphreys	6 days
Mar 28, 5:44 AM CDT	River Flood Advisory	OHX	Marshall	38 hr
Mar 28, 5:44 AM CDT	River Flood Advisory	OHX	Bedford, Marshall	26 hr
Mar 28, 5:44 AM CDT	River Flood Advisory	OHX	Perry, Wayne	30 hr
Mar 28, 5:44 AM CDT	River Flood Advisory	OHX	Giles	43 hr
Mar 28, 5:44 AM CDT	River Flood Advisory	OHX	Lawrence	23 hr
Mar 28, 5:52 AM CDT	Areal Flood Advisory	OHX	Davidson, Robertson, Sumner, Trousdale, Wilson	3 hr
Mar 28, 6:03 AM CDT	River Flood Advisory	OHX	Cheatham	72 hr
Mar 28, 7:28 AM CDT	River Flood Warning	OHX	Williamson	28 hr
Mar 28, 8:56 AM CDT	River Flood Warning	OHX	Hickman	3 days
Mar 28, 10:39 AM CDT	Areal Flood Advisory	OHX	Cannon, Clay, Cumberland, DeKalb, Fentress, Jackson and 6 more	3 hr
Mar 28, 11:54 AM CDT	River Flood Warning	OHX	Sumner, Trousdale, Wilson	43 hr
Mar 28, 12:30 PM CDT	River Flood Advisory	OHX	Smith	23 hr
Mar 28, 12:35 PM CDT	River Flood Advisory	OHX	Bedford	12 hr

Nearby

Flash Flood Warnings in Tennessee, 2021 Every 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.