Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 4, NWS Nashville, TN

May 10, 20164 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at May 10, 2016, 11:58 PM CDT for 4 counties in 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: May 10, 2016, 11:58 PM CDT (04:58 UTC)
Expired: May 11, 2016, 3:00 AM CDT
In force: 3 hr
Issued by: NWS Nashville, TN
Area: Storm-based polygon
Flood severity: None

Counties Cheatham County, TN, Davidson County, TN, Robertson County, TN, Sumner County, TN

The radar

The Nashville radar (KOHX), 35 km from the middle of the area, began a volume at 04:57 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.0 hours before the alert went out and 39 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: 1257 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1467 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 276 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.3

Open this sounding in Storm Lab

The text

As transmitted.

446 
WGUS54 KOHX 110458
FFWOHX
TNC021-037-147-165-110800-
/O.NEW.KOHX.FF.W.0004.160511T0458Z-160511T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1158 PM CDT TUE MAY 10 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN ROBERTSON COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN DAVIDSON COUNTY IN MIDDLE TENNESSEE...
  NORTHEASTERN CHEATHAM COUNTY IN MIDDLE TENNESSEE...
  SOUTHWESTERN SUMNER COUNTY IN MIDDLE TENNESSEE...

* UNTIL 300 AM CDT

* AT 1157 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ASHLAND CITY...HENDERSONVILLE...GOODLETTSVILLE...MILLERSVILLE...
  GREENBRIER...COOPERTOWN...RIDGETOP...JOELTON...PLEASANT VIEW...BEAMAN
  PARK AND WHITES CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3633 8718 3642 8711 3643 8673 3637 8656
      3622 8685

$$

13

2 follow-up statements

691 
WGUS74 KOHX 110617
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
117 AM CDT WED MAY 11 2016

TNC021-037-147-165-110800-
/O.CON.KOHX.FF.W.0004.000000T0000Z-160511T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROBERTSON TN-DAVIDSON TN-CHEATHAM TN-SUMNER TN-
117 AM CDT WED MAY 11 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM CDT FOR
SOUTHWESTERN ROBERTSON...NORTHWESTERN DAVIDSON...NORTHEASTERN
CHEATHAM AND SOUTHWESTERN SUMNER COUNTIES...

AT 116 AM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA HAS ENDED...BUT UP TO THREE INCHES OF RAIN HAS ALREADY FALLEN.
FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ASHLAND CITY...HENDERSONVILLE...GOODLETTSVILLE...MILLERSVILLE...
GREENBRIER...COOPERTOWN...RIDGETOP...JOELTON...PLEASANT VIEW...BEAMAN PARK
AND WHITES CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3633 8718 3642 8711 3643 8673 3637 8656
      3622 8685

$$

SHAMBURGER

290 
WGUS74 KOHX 110647
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
147 AM CDT WED MAY 11 2016

TNC021-037-147-165-110655-
/O.CAN.KOHX.FF.W.0004.000000T0000Z-160511T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROBERTSON TN-DAVIDSON TN-CHEATHAM TN-SUMNER TN-
147 AM CDT WED MAY 11 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN ROBERTSON...NORTHWESTERN
DAVIDSON...NORTHEASTERN CHEATHAM AND SOUTHWESTERN SUMNER COUNTIES IS
CANCELLED...

THUNDERSTORMS THAT PRODUCED HEAVY RAIN ACROSS THE AREA EARLIER HAVE
ENDED. HOWEVER...FLOODING IS STILL POSSIBLE AND A FLOOD WARNING IS
IN EFFECT UNTIL 345 AM. PLEASE CONTINUE TO AVOID FLOODED AREAS
AND HEED ANY ROAD CLOSURES.

LAT...LON 3633 8718 3642 8711 3643 8673 3637 8656
      3622 8685

$$

SHAMBURGER

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 7:17 PM CDT	Special Weather Statement	OHX	Stewart	43 min
May 10, 7:51 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery	24 min
May 10, 8:01 PM CDT	Tornado Warning	OHX	Montgomery	29 min
May 10, 8:14 PM CDT	Special Weather Statement	OHX	Stewart	46 min
May 10, 8:26 PM CDT	Tornado Warning	OHX	Montgomery	34 min
May 10, 8:41 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Houston, Montgomery, Stewart	34 min
May 10, 8:47 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	28 min
May 10, 9:06 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	24 min
May 10, 9:13 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Montgomery	47 min
May 10, 9:16 PM CDT	Special Weather Statement	OHX	Robertson	44 min
May 10, 9:18 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	27 min
May 10, 9:43 PM CDT	Severe Thunderstorm Warning	OHX	Robertson, Sumner	32 min
May 10, 9:51 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Montgomery, Robertson	24 min
May 10, 10:05 PM CDT	Severe Thunderstorm Warning	OHX	Montgomery, Robertson	25 min
May 10, 10:12 PM CDT	Severe Thunderstorm Warning	OHX	Sumner	33 min
May 10, 10:14 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	46 min
May 10, 10:40 PM CDT	Severe Thunderstorm Warning	OHX	Macon, Sumner, Trousdale	40 min
May 10, 10:51 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Robertson, Sumner	39 min
May 10, 11:11 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Davidson, Sumner, Wilson	34 min
May 10, 11:45 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Rutherford, Sumner, Wilson	30 min
May 10, 11:53 PM CDT	Flash Flood Warning	OHX	Davidson, Rutherford, Sumner, Wilson	112 min
May 11, 12:18 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	27 min
May 11, 12:44 AM CDT	Severe Thunderstorm Warning	OHX	Rutherford, Wilson	31 min
May 11, 1:10 AM CDT	Severe Thunderstorm Warning	OHX	Cannon, DeKalb, Rutherford, Wilson	35 min
May 11, 1:33 AM CDT	Special Weather Statement	OHX	Sumner	27 min
May 11, 1:39 AM CDT	Special Weather Statement	OHX	DeKalb	51 min
May 11, 1:43 AM CDT	Areal Flood Warning	OHX	Cheatham, Davidson, Robertson, Sumner, Wilson	2 hr
May 11, 2:02 AM CDT	Special Weather Statement	OHX	Trousdale	28 min
May 11, 2:20 AM CDT	Areal Flood Advisory	OHX	Robertson, Sumner	115 min
May 11, 2:57 AM CDT	Special Weather Statement	OHX	Macon, Smith, Sumner, Trousdale	63 min
May 11, 3:45 AM CDT	Special Weather Statement	OHX	Jackson, Smith, Trousdale	45 min
May 11, 4:03 AM CDT	Flash Flood Warning	OHX	Smith, Trousdale	117 min
May 11, 4:14 AM CDT	Flash Flood Warning	OHX	Sumner	2 hr
May 11, 4:35 AM CDT	Special Weather Statement	OHX	Jackson, Smith	40 min
May 11, 4:39 AM CDT	Special Weather Statement	OHX	Davidson	36 min
May 11, 5:55 AM CDT	Flash Flood Warning	OHX	Macon, Smith, Sumner, Trousdale	2 hr
May 11, 7:07 AM CDT	Special Weather Statement	OHX	Sumner	23 min
May 11, 7:21 AM CDT	Special Weather Statement	OHX	Jackson	24 min
May 11, 7:47 AM CDT	Special Weather Statement	OHX	Jackson, Putnam	58 min
May 11, 7:54 AM CDT	Flash Flood Warning	OHX	Jackson, Macon, Robertson, Smith, Sumner, Trousdale	4 hr
May 11, 8:32 AM CDT	Special Weather Statement	OHX	Sumner, Trousdale	43 min
May 11, 8:41 AM CDT	Flash Flood Warning Emergency	OHX	Macon, Sumner, Trousdale	4 hr
May 11, 8:43 AM CDT	Special Weather Statement	OHX	Cumberland	32 min
May 11, 9:24 AM CDT	Flash Flood Warning	OHX	Cumberland, Fentress, Overton, Putnam	3 hr
May 11, 9:41 AM CDT	Special Weather Statement	OHX	Putnam	34 min
May 11, 11:57 AM CDT	Areal Flood Warning	OHX	Clay, Jackson, Macon, Robertson, Smith, Sumner and 2 more	6 hr

Nearby

Flash Flood Warnings in Tennessee, 2016 Every flash flood warning in 2016

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.