Alert archive / Tennessee / Flash Flood Warnings in 2019

Flash Flood Warning 13, NWS Nashville, TN

February 20, 20196 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Feb 20, 2019, 9:18 AM CST for 6 counties in Tennessee. It was in force for 4 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: Feb 20, 2019, 9:18 AM CST (15:18 UTC)
Expired: Feb 20, 2019, 1:45 PM CST
In force: 4 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Bedford County, TN, Coffee County, TN, Giles County, TN, Lawrence County, TN, Marshall County, TN, Rutherford County, TN

The radar

The Northeast Alabama radar (KHTX), 73 km from the middle of the area, began a volume at 15:20 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
Feb 20, 12:00 PM CST	FLASH FLOOD	Manchester, TN	SEVERAL ROADS WERE FLOODED ACROSS COFFEE COUNTY INCLUDING SKINNER FLAT ROAD...LUMLEY STAND ROAD...STEPHENSON ROAD...HICKORY GROVE ROAD...AND ROCK ROAD.
Feb 20, 12:00 PM CST	FLASH FLOOD	Shelbyville, TN	NUMEROUS ROADS WERE FLOODED AND CLOSED ACROSS BEDFORD COUNTY INCLUDING MULLINS MILL ROAD...BUGSCUFFLE ROAD...MIDLAND ROAD AT PEACOCK LANE...HAPPY VALLEY ROAD...SOUTH VALLEY ROAD AT NARROWS AND WOODLAND DRIVE...EL BETHEL ROAD AT SHAW ROAD...ARNOLD ROAD AT FAIRF

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

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 3.3 hours before the alert went out and 248 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 426 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

002 
WGUS54 KOHX 201518
FFWOHX
TNC003-031-055-099-117-149-201815-
/O.NEW.KOHX.FF.W.0013.190220T1518Z-190220T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Nashville TN
918 AM CST Wed Feb 20 2019

The National Weather Service in Nashville has issued a

* Flash Flood Warning for...
  Marshall County in Middle Tennessee...
  Southeastern Rutherford County in Middle Tennessee...
  Lawrence County in Middle Tennessee...
  Coffee County in Middle Tennessee...
  Giles County in Middle Tennessee...
  Bedford County in Middle Tennessee...

* Until 1215 PM CST.

* At 918 AM CST, Doppler radar indicated heavy rain across the warned
  area. Additional flash flooding is expected to begin shortly.

* Some locations that will experience flooding include...
  Shelbyville, Lewisburg, Lawrenceburg, Manchester, Pulaski,
  Tullahoma, Loretto, Summertown, Chapel Hill, Ardmore, Cornersville,
  St. Joseph, Wartrace, Elkton, Minor Hill, Bell Buckle, Ethridge,
  Lynnville, Normandy and Henryville.

This includes the following highways...
 Interstate 65 between mile markers 1 and 35.
 Interstate 24 between mile markers 85 and 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8760 3540 8757 3546 8733 3541 8696
      3556 8684 3573 8654 3581 8619 3570 8621
      3566 8615 3565 8603 3551 8588 3534 8620
      3534 8626 3541 8625 3541 8628 3532 8642
      3537 8659 3525 8675 3526 8683 3499 8684

$$

27

2 follow-up statements

724 
WGUS74 KOHX 201614
FFSOHX

Flash Flood Statement
National Weather Service Nashville TN
1014 AM CST Wed Feb 20 2019

TNC003-031-055-099-117-149-201815-
/O.CON.KOHX.FF.W.0013.000000T0000Z-190220T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marshall TN-Rutherford TN-Lawrence TN-Coffee TN-Giles TN-Bedford TN-
1014 AM CST Wed Feb 20 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CST FOR
MARSHALL...SOUTHEASTERN RUTHERFORD...LAWRENCE...COFFEE...GILES AND
BEDFORD COUNTIES...

At 1013 AM CST, there are many reports of flooding in areas covered 
by this warning.  Many roads are closed.  Creeks and rivers are 
running extremely high, if not already overflowing and spilling into 
roadways.  Please do not try to drive through flooded areas.

Some locations that will experience flooding include...
Shelbyville, Lewisburg, Lawrenceburg, Manchester, Pulaski, Tullahoma,
Loretto, Summertown, Chapel Hill, Ardmore, Cornersville, St. Joseph,
Wartrace, Elkton, Minor Hill, Bell Buckle, Ethridge, Lynnville,
Normandy and Henryville.

This includes the following highways...
 Interstate 65 between mile markers 1 and 35.
 Interstate 24 between mile markers 85 and 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8760 3540 8757 3546 8733 3541 8696
      3556 8684 3573 8654 3581 8619 3570 8621
      3566 8615 3565 8603 3551 8588 3534 8620
      3534 8626 3541 8625 3541 8628 3532 8642
      3537 8659 3525 8675 3526 8683 3499 8684

$$

27

016 
WGUS54 KOHX 201804
FFWOHX
TNC003-031-055-099-117-149-201945-
/O.EXT.KOHX.FF.W.0013.000000T0000Z-190220T1945Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Nashville TN
1204 PM CST Wed Feb 20 2019

The National Weather Service in Nashville has extended the

* Flash Flood Warning for...
  Marshall County in Middle Tennessee...
  Southeastern Rutherford County in Middle Tennessee...
  Lawrence County in Middle Tennessee...
  Coffee County in Middle Tennessee...
  Giles County in Middle Tennessee...
  Bedford County in Middle Tennessee...

* Until 145 PM CST.

* At 1203 PM CST, Doppler radar indicated rains are starting to exit 
  the warning area, however flooding is still ongoing all across the 
  warned area. Many roads are closed. Creeks and rivers are running 
  extremely high, if not already overflowing and spilling into 
  roadways.  Please do not try to drive through flooded areas.

* Some locations that will experience flooding include...
  Shelbyville, Lewisburg, Lawrenceburg, Manchester, Pulaski,
  Tullahoma, Loretto, Summertown, Chapel Hill, Ardmore, Cornersville,
  St. Joseph, Wartrace, Elkton, Minor Hill, Bell Buckle, Ethridge,
  Lynnville, Normandy and Henryville.

This includes the following highways...
 Interstate 65 between mile markers 1 and 35.
 Interstate 24 between mile markers 85 and 116.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3500 8760 3540 8757 3546 8733 3541 8696
      3556 8684 3573 8654 3581 8619 3570 8621
      3566 8615 3565 8603 3551 8588 3534 8620
      3534 8626 3541 8625 3541 8628 3532 8642
      3537 8659 3525 8675 3526 8683 3499 8684

$$

27

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 19, 11:33 PM CST	River Flood Warning	OHX	Decatur, Hardin, Perry, Wayne	26 days
Feb 20, 3:36 AM CST	Areal Flood Advisory	OHX	Dickson, Houston, Humphreys, Montgomery, Stewart	3 hr
Feb 20, 4:25 AM CST	Areal Flood Advisory	OHX	Dickson, Hickman, Lewis, Perry, Wayne	3 hr
Feb 20, 4:55 AM CST	Areal Flood Advisory	OHX	Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson	3 hr
Feb 20, 6:03 AM CST	Areal Flood Advisory	OHX	Giles, Lawrence, Marshall, Maury	117 min
Feb 20, 6:18 AM CST	River Flood Advisory	OHX	Grundy	12 hr
Feb 20, 6:23 AM CST	Areal Flood Advisory	OHX	Macon, Rutherford, Smith, Trousdale, Wilson	5 hr
Feb 20, 6:53 AM CST	Areal Flood Advisory	OHX	Dickson, Hickman, Humphreys, Lewis, Perry, Wayne	6 hr
Feb 20, 6:58 AM CST	Special Weather Statement	OHX	Williamson	32 min
Feb 20, 7:22 AM CST	Areal Flood Advisory	OHX	Clay, Jackson, Overton, Pickett, Putnam	10 hr
Feb 20, 7:37 AM CST	Flash Flood Warning	OHX	Cheatham, Davidson, Hickman, Sumner, Williamson, Wilson	6 hr
Feb 20, 7:57 AM CST	Areal Flood Advisory	OHX	Cheatham, Davidson, Robertson, Rutherford, Sumner, Williamson	8 hr
Feb 20, 7:58 AM CST	Areal Flood Advisory	OHX	Giles, Lawrence, Marshall, Maury	8 hr
Feb 20, 8:58 AM CST	Flash Flood Warning	OHX	Cannon, Davidson, Marshall, Maury, Rutherford, Williamson and 1 more	5 hr
Feb 20, 9:02 AM CST	River Flood Advisory	OHX	Giles	11 hr
Feb 20, 10:31 AM CST	River Flood Advisory	OHX	Davidson	10 hr
Feb 20, 10:31 AM CST	River Flood Advisory	OHX	Davidson	10 hr
Feb 20, 10:46 AM CST	Flash Flood Warning	OHX	Cannon, DeKalb, Putnam, Warren, White	3 hr
Feb 20, 11:09 AM CST	Areal Flood Advisory	OHX	Cumberland, Fentress, Pickett	3 hr
Feb 20, 12:43 PM CST	Flash Flood Warning	OHX	Clay, Cumberland, Fentress, Overton, Pickett, Putnam	4 hr
Feb 20, 1:30 PM CST	Areal Flood Advisory	OHX	Rutherford, Wilson	2 hr
Feb 20, 1:43 PM CST	Areal Flood Advisory	OHX	Bedford, Cannon, Coffee, DeKalb, Warren, White	2 hr
Feb 20, 1:43 PM CST	River Flood Advisory	OHX	Cheatham	13 hr
Feb 20, 1:43 PM CST	River Flood Advisory	OHX	Davidson, Williamson	69 hr
Feb 20, 2:21 PM CST	River Flood Warning	OHX	Maury	6 days
Feb 20, 2:21 PM CST	River Flood Warning	OHX	Hickman	8 days
Feb 20, 2:21 PM CST	River Flood Warning	OHX	Perry	5 days
Feb 20, 2:21 PM CST	River Flood Warning	OHX	Lawrence	12 hr
Feb 20, 2:29 PM CST	River Flood Advisory	OHX	Giles	5 hr
Feb 20, 2:29 PM CST	River Flood Advisory	OHX	Bedford	9 hr
Feb 20, 5:17 PM CST	River Flood Advisory	OHX	Bedford, Marshall	22 hr
Feb 20, 5:17 PM CST	River Flood Advisory	OHX	Humphreys	66 hr
Feb 20, 5:20 PM CST	River Flood Advisory	OHX	Williamson	17 hr
Feb 20, 5:23 PM CST	River Flood Advisory	OHX	Davidson	16 min
Feb 20, 5:23 PM CST	River Flood Advisory	OHX	Davidson	16 min
Feb 20, 5:25 PM CST	River Flood Advisory	OHX	Montgomery, Robertson	24 hr

Nearby

Flash Flood Warnings in Tennessee, 2019 Every flash flood warning in 2019

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.