Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 27, NWS Nashville, TN

July 29, 20165 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 29, 2016, 12:54 PM CDT for 5 counties in Tennessee. It was in force for 3 hr. 7 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
Jul 29, 2016, 12:54 PM CDT (17:54 UTC)
Expired
Jul 29, 2016, 4:00 PM CDT
In force
3 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, Wilson County, TN

The radar

The Nashville radar (KOHX), 55 km from the middle of the area, began a volume at 17:57 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.

What was reported inside it

TimeReportWhereRemark
Jul 29, 1:42 PM CDTFLASH FLOOD3 N Lebanon, TNHWY 231 FLOODED NEAR CARROL OAKLAND SCHOOL IN LEBANON
Jul 29, 1:57 PM CDTFLASH FLOOD5 Nne Lebanon, TNOLD HUNTERS POINT PIKE FLOODED. GARAGE ALSO FLOODED.
Jul 29, 2:00 PM CDTFLASH FLOOD8 N Carthage, TNWATER OVER SEVERAL ROADS IN PLEASANT SHADE
Jul 29, 2:30 PM CDTFLASH FLOOD7 Nnw Carthage, TNTSPOTTER REPORT OF FLOODING ON BOWMANS BRANCH LANE IN RIDDLETON WITH BRIDGE PARTIALLY WASHED OUT
Jul 29, 2:30 PM CDTFLASH FLOOD9 S Hartsville, TNOLD ROME PIKE IN THE BELLWOOD AREA FLOODED
Jul 29, 2:34 PM CDTFLASH FLOOD5 Nne Lebanon, TN3000 BLOCK OF CEDAR GROVE ROAD IS FLOODED AND CLOSED
Jul 29, 2:55 PM CDTFLASH FLOOD4 Nne Lebanon, TNVEHICLE STUCK IN WATER WITH PEOPLE INSIDE ON OLD HUNTERS POINT PIKE AND CEDAR GROVE ROAD NORTH OF LEBANON

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 12:00Z, 5.9 hours before the alert went out and 62 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 12:00Z on 2016-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 777 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 12:00Z on 2016-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.193958Sfc1 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
777 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
722 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
99 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

576 
WGUS54 KOHX 291754
FFWOHX
TNC111-159-165-169-189-292100-
/O.NEW.KOHX.FF.W.0027.160729T1754Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1254 PM CDT FRI JUL 29 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

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

* UNTIL 400 PM CDT

* AT 1253 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES ONE TO THREE
  INCHES OF RAIN HAVE ALREADY FALLEN TODAY. FLASH FLOODING IS
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LEBANON...CARTHAGE...HARTSVILLE...SOUTH CARTHAGE...DICKERSON CHAPEL
  RECREATION AREA...DIXON SPRINGS AND PLEASANT SHADE.

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 3637 8583 3634 8583 3634 8584 3631 8584
      3629 8585 3628 8584 3616 8644 3634 8645
      3651 8581

$$

SHAMBURGER
2 follow-up statements
016 
WGUS74 KOHX 291920
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
220 PM CDT FRI JUL 29 2016

TNC111-159-165-169-189-292100-
/O.CON.KOHX.FF.W.0027.000000T0000Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SMITH TN-SUMNER TN-TROUSDALE TN-WILSON TN-MACON TN-
220 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
NORTHERN SMITH...SOUTHEASTERN SUMNER...TROUSDALE...NORTHEASTERN
WILSON AND SOUTHEASTERN MACON COUNTIES...

AT 217 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLASH FLOODING
CONTINUES ACROSS THE WARNED AREA. SEVERAL ROADS WERE FLOODED IN
NORTHERN WILSON COUNTY INCLUDING BLOCK HUNTER'S POINT PIKE...HIGHWAY
231 NORTH...AND OLD HUNTERS POINT PIKE. RADAR ESTIMATES ONE TO THREE
INCHES OF RAIN HAVE FALLEN TODAY...AND FLASH FLOODING IS EXPECTED TO
CONTINUE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LEBANON...CARTHAGE...HARTSVILLE...SOUTH CARTHAGE...DICKERSON CHAPEL
RECREATION AREA...DIXON SPRINGS AND PLEASANT SHADE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LAT...LON 3637 8583 3634 8583 3634 8584 3631 8584
      3629 8585 3628 8584 3616 8644 3634 8645
      3651 8581

$$

SHAMBURGER
180 
WGUS74 KOHX 292048
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
348 PM CDT FRI JUL 29 2016

TNC111-159-165-169-189-292057-
/O.CAN.KOHX.FF.W.0027.000000T0000Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SMITH TN-SUMNER TN-TROUSDALE TN-WILSON TN-MACON TN-
348 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING FOR NORTHERN SMITH...SOUTHEASTERN
SUMNER...TROUSDALE...NORTHEASTERN WILSON AND SOUTHEASTERN MACON
COUNTIES IS CANCELLED...

THE HEAVY RAIN ACROSS THE WARNED AREA HAS ENDED. HOWEVER...A FLOOD
WARNING HAS BEEN ISSUED FOR CONTINUED FLOODING ACROSS THE WARNED
AREA. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
REMEMBER...TURN AROUND DON'T DROWN.

LAT...LON 3637 8583 3634 8583 3634 8584 3631 8584
      3629 8585 3628 8584 3616 8644 3634 8645
      3651 8581

$$

SHAMBURGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 1:32 AM CDTAreal Flood AdvisoryOHXMontgomery, Robertson118 min
Jul 29, 3:30 AM CDTAreal Flood AdvisoryOHXSmith, Sumner, Trousdale, Wilson3 hr
Jul 29, 10:44 AM CDTAreal Flood AdvisoryOHXRobertson, Sumner3 hr
Jul 29, 11:37 AM CDTFlash Flood WarningOHXMacon, Sumner, Trousdale2 hr
Jul 29, 12:08 PM CDTSpecial Weather StatementOHXSumner37 min
Jul 29, 12:56 PM CDTFlash Flood WarningOHXClay, Jackson3 hr
Jul 29, 1:04 PM CDTSpecial Weather StatementOHXSmith41 min
Jul 29, 1:55 PM CDTAreal Flood WarningOHXMacon, Sumner, Trousdale2 hr
Jul 29, 1:59 PM CDTSpecial Weather StatementOHXPutnam46 min
Jul 29, 2:53 PM CDTSpecial Weather StatementOHXSumner52 min
Jul 29, 3:42 PM CDTAreal Flood WarningOHXClay, Jackson2 hr
Jul 29, 3:44 PM CDTAreal Flood WarningOHXMacon, Smith, Sumner, Trousdale, Wilson2 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.