Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 7, NWS Nashville, TN

May 11, 20164 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at May 11, 2016, 5:55 AM CDT for 4 counties in Tennessee. It was in force for 2 hr. 9 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
May 11, 2016, 5:55 AM CDT (10:55 UTC)
Expired
May 11, 2016, 8:00 AM CDT
In force
2 hr
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Flood severity
None

Counties Macon County, TN, Smith County, TN, Sumner County, TN, Trousdale County, TN

The radar

The Nashville radar (KOHX), 41 km from the middle of the area, began a volume at 10:54 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 11, 6:00 AM CDTFLASH FLOODHartsville, TNONGOING WATER RESCUES ACROSS TROUSDALE COUNTY
May 11, 6:05 AM CDTFLASH FLOOD7 Nnw Hartsville, TNGREEN GROVE ROAD REPORTEDLY FLOODED
May 11, 6:20 AM CDTFLASH FLOODHartsville, TNSTATE HIGHWAY 25 CLOSED IN HARTSVILLE.
May 11, 6:45 AM CDTFLASH FLOODHartsville, TNTROUSDALE COUNTY HIGH SCHOOL FOOTBALL STADIUM AND BASEBALL FIELDS FLOODED
May 11, 6:50 AM CDTFLASH FLOOD8 Ssw Westmoreland, TNALEXANDER ROAD AT ROCK SPRINGS ROAD FLOODED AND CLOSED IN BETHPAGE
May 11, 7:00 AM CDTFLASH FLOODLafayette, TNTWITTER PHOTOS SHOW ROADS FLOODED AND HOMES SURROUNDED BY FLOOD WATERS
May 11, 7:00 AM CDTHEAVY RAIN 4.276 Se Hartsville, TN4.27 INCHES OF RAIN MEASURED AT COCORAHS STATION HARTSVILLE 6.5 SE
May 11, 7:00 AM CDTHEAVY RAIN 5.287 Wsw Westmoreland, TN5.28 INCHES OF RAIN MEASURED AT COCORAHS STATION BETHPAGE 4.5 NW
May 11, 8:00 AM CDTFLASH FLOODLafayette, TNMULTIPLE ROADS CLOSED. MACON COUNTY HIGHWAY DEPARTMENT RECOMMENDS NO TRAVEL UNLESS ABSOLUTELY NECESSARY

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, 10.9 hours before the alert went out and 52 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 2016-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1257 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 2016-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.19395878Sfc1 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
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.

847 
WGUS54 KOHX 111055
FFWOHX
TNC111-159-165-169-111300-
/O.NEW.KOHX.FF.W.0007.160511T1055Z-160511T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
555 AM CDT WED MAY 11 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN SMITH COUNTY IN MIDDLE TENNESSEE...
  NORTHERN SUMNER COUNTY IN MIDDLE TENNESSEE...
  MACON COUNTY IN MIDDLE TENNESSEE...
  TROUSDALE COUNTY IN MIDDLE TENNESSEE...

* UNTIL 800 AM CDT

* AT 554 AM CDT...EMERGENCY MANAGEMENT OFFICIALS REPORTED FLASH
  FLOODING CONTINUES ACROSS THE WARNED AREA WITH WATER RESCUES
  ONGOING AND SEVERAL ROADS UNDERWATER OR WASHED OUT. RADAR
  ESTIMATES 3 TO 6 INCHES OF RAIN HAS FALLEN SO FAR THIS MORNING.
  ADDITIONAL THUNDERSTORMS CONTINUE TO DEVELOP AND MORE HEAVY RAIN
  IS POSSIBLE THIS MORNING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GALLATIN...LAFAYETTE...CARTHAGE...HARTSVILLE...WESTMORELAND...RED
  BOILING SPRINGS...PORTLAND...SOUTH CARTHAGE...
  MITCHELLVILLE...DIXON SPRINGS...RIDDLETON...PLEASANT
  SHADE...BETHPAGE AND OAK GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3662 8579 3624 8585 3625 8611 3632 8615
      3650 8664 3653 8664 3664 8655

$$

SHAMBURGER
2 follow-up statements
528 
WGUS74 KOHX 111200
FFSOHX

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

TNC111-159-165-169-111300-
/O.CON.KOHX.FF.W.0007.000000T0000Z-160511T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SMITH TN-SUMNER TN-MACON TN-TROUSDALE TN-
700 AM CDT WED MAY 11 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
NORTHERN SMITH...NORTHERN SUMNER...MACON AND TROUSDALE COUNTIES...

AT 655 AM CDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING
CONTINUES ACROSS THE WARNED AREA WITH SEVERAL ROADS FLOODED AND
WATER RESCUES ONGOING. RADAR ESTIMATES 3 TO 6 INCHES OF RAIN HAVE
ALREADY FALLEN. ADDITIONAL THUNDERSTORMS CONTINUE TO MOVE INTO THE
WARNED AREA...AND MORE HEAVY RAINFALL AND FLOODING IS POSSIBLE THIS
MORNING ESPECIALLY ACROSS NORTHERN SUMNER COUNTY AND MACON COUNTY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAFAYETTE...GALLATIN...CARTHAGE...HARTSVILLE...WESTMORELAND...RED
BOILING SPRINGS...PORTLAND...SOUTH CARTHAGE...MITCHELLVILLE...DIXON
SPRINGS...RIDDLETON...PLEASANT SHADE...BETHPAGE AND OAK GROVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3662 8579 3624 8585 3625 8611 3632 8615
      3650 8664 3653 8664 3664 8655

$$

SHAMBURGER
491 
WGUS74 KOHX 111242
FFSOHX

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

TNC111-159-165-169-111300-
/O.CON.KOHX.FF.W.0007.000000T0000Z-160511T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SMITH TN-SUMNER TN-MACON TN-TROUSDALE TN-
742 AM CDT WED MAY 11 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR
NORTHERN SMITH...NORTHERN SUMNER...MACON AND TROUSDALE COUNTIES...

AT 739 AM CDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING
CONTINUES ACROSS THE WARNED AREA WITH WATER RESCUES AND EVACUATIONS
ONGOING. RAINFALL MEASUREMENTS INDICATE 3 TO 6 INCHES OF RAIN HAS
FALLEN SO FAR THIS MORNING. THUNDERSTORMS CONTINUE TO DEVELOP AND
MOVE INTO THE WARNED AREA...AND AN ADDITIONAL 1 TO 2 INCHES OF RAIN
IS POSSIBLE THIS MORNING...MAINLY ACROSS NORTHERN
SUMNER...MACON...AND NORTHERN SMITH COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3662 8579 3624 8585 3625 8611 3632 8615
      3650 8664 3653 8664 3664 8655

$$

SHAMBURGER

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:17 PM CDTSpecial Weather StatementOHXStewart43 min
May 10, 7:51 PM CDTSevere Thunderstorm WarningOHXMontgomery24 min
May 10, 8:01 PM CDTTornado WarningOHXMontgomery29 min
May 10, 8:14 PM CDTSpecial Weather StatementOHXStewart46 min
May 10, 8:26 PM CDTTornado WarningOHXMontgomery34 min
May 10, 8:41 PM CDTSevere Thunderstorm WarningOHXDickson, Houston, Montgomery, Stewart34 min
May 10, 8:47 PM CDTSevere Thunderstorm WarningOHXMontgomery, Robertson28 min
May 10, 9:06 PM CDTSevere Thunderstorm WarningOHXStewart24 min
May 10, 9:13 PM CDTSevere Thunderstorm WarningOHXCheatham, Dickson, Montgomery47 min
May 10, 9:16 PM CDTSpecial Weather StatementOHXRobertson44 min
May 10, 9:18 PM CDTSevere Thunderstorm WarningOHXRobertson, Sumner27 min
May 10, 9:43 PM CDTSevere Thunderstorm WarningOHXRobertson, Sumner32 min
May 10, 9:51 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Montgomery, Robertson24 min
May 10, 10:05 PM CDTSevere Thunderstorm WarningOHXMontgomery, Robertson25 min
May 10, 10:12 PM CDTSevere Thunderstorm WarningOHXSumner33 min
May 10, 10:14 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner46 min
May 10, 10:40 PM CDTSevere Thunderstorm WarningOHXMacon, Sumner, Trousdale40 min
May 10, 10:51 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner39 min
May 10, 11:11 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Sumner, Wilson34 min
May 10, 11:45 PM CDTSevere Thunderstorm WarningOHXDavidson, Rutherford, Sumner, Wilson30 min
May 10, 11:53 PM CDTFlash Flood WarningOHXDavidson, Rutherford, Sumner, Wilson112 min
May 10, 11:58 PM CDTFlash Flood WarningOHXCheatham, Davidson, Robertson, Sumner3 hr
May 11, 12:18 AM CDTSevere Thunderstorm WarningOHXRutherford, Wilson27 min
May 11, 12:44 AM CDTSevere Thunderstorm WarningOHXRutherford, Wilson31 min
May 11, 1:10 AM CDTSevere Thunderstorm WarningOHXCannon, DeKalb, Rutherford, Wilson35 min
May 11, 1:33 AM CDTSpecial Weather StatementOHXSumner27 min
May 11, 1:39 AM CDTSpecial Weather StatementOHXDeKalb51 min
May 11, 1:43 AM CDTAreal Flood WarningOHXCheatham, Davidson, Robertson, Sumner, Wilson2 hr
May 11, 2:02 AM CDTSpecial Weather StatementOHXTrousdale28 min
May 11, 2:20 AM CDTAreal Flood AdvisoryOHXRobertson, Sumner115 min
May 11, 2:57 AM CDTSpecial Weather StatementOHXMacon, Smith, Sumner, Trousdale63 min
May 11, 3:45 AM CDTSpecial Weather StatementOHXJackson, Smith, Trousdale45 min
May 11, 4:03 AM CDTFlash Flood WarningOHXSmith, Trousdale117 min
May 11, 4:14 AM CDTFlash Flood WarningOHXSumner2 hr
May 11, 4:35 AM CDTSpecial Weather StatementOHXJackson, Smith40 min
May 11, 4:39 AM CDTSpecial Weather StatementOHXDavidson36 min
May 11, 7:07 AM CDTSpecial Weather StatementOHXSumner23 min
May 11, 7:21 AM CDTSpecial Weather StatementOHXJackson24 min
May 11, 7:47 AM CDTSpecial Weather StatementOHXJackson, Putnam58 min
May 11, 7:54 AM CDTFlash Flood WarningOHXJackson, Macon, Robertson, Smith, Sumner, Trousdale4 hr
May 11, 8:32 AM CDTSpecial Weather StatementOHXSumner, Trousdale43 min
May 11, 8:41 AM CDTFlash Flood Warning EmergencyOHXMacon, Sumner, Trousdale4 hr
May 11, 8:43 AM CDTSpecial Weather StatementOHXCumberland32 min
May 11, 9:24 AM CDTFlash Flood WarningOHXCumberland, Fentress, Overton, Putnam3 hr
May 11, 9:41 AM CDTSpecial Weather StatementOHXPutnam34 min
May 11, 11:57 AM CDTAreal Flood WarningOHXClay, Jackson, Macon, Robertson, Smith, Sumner and 2 more6 hr

Nearby

Flash Flood Warnings in Tennessee, 2016Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.