Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 26, NWS Nashville, TN

July 29, 2016Macon County, Sumner County, Trousdale County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 29, 2016, 11:37 AM CDT for Macon County, Sumner County, Trousdale County, Tennessee. It was in force for 2 hr. 11 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, 11:37 AM CDT (16:37 UTC)
Expired
Jul 29, 2016, 2:00 PM CDT
In force
2 hr
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Flood severity
None

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

The radar

The Nashville radar (KOHX), 58 km from the middle of the area, began a volume at 16:41 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, 12:15 PM CDTFLASH FLOOD4 Se Westmoreland, TNREPORT OF PHILIP HOLLOW ROAD CLOSED DUE TO WATER OVER THE ROAD AND IT HAS BECOME IMPASSABLE.
Jul 29, 12:15 PM CDTFLASH FLOOD6 S Westmoreland, TNREPORT OF PEOPLE BEING RESCUED FROM THEIR HOUSE AS THEY WERE UNABLE TO GET OUT DUE TO WATER OVER THE ROADS.
Jul 29, 12:30 PM CDTFLASH FLOOD6 Sse Westmoreland, TNVIDEO OF FLOODED ROAD ON HIGHWAY 141 IN SOUTHWEST MACON COUNTY.
Jul 29, 12:31 PM CDTFLASH FLOOD5 Ne Gallatin, TNWATER OVER HIGHWAY 31E AT DESHA CREEK
Jul 29, 12:35 PM CDTFLASH FLOOD4 Ssw Westmoreland, TNPICTURE OF FLOODED INTERSECTION ON HAZE HYDE HOLLOW ROAD.
Jul 29, 1:00 PM CDTFLASH FLOOD1 Ese Westmoreland, TNFOUR PEOPLE RESCUED FROM HOME ON PUMPING STATION ROAD DUE TO FLOODING
Jul 29, 1:00 PM CDTFLASH FLOOD2 E Westmoreland, TNEPPERSON SPRINGS ROAD FLOODED
Jul 29, 1:00 PM CDTFLASH FLOOD4 Ssw Westmoreland, TNWOLF HILL ROAD FLOODED AND CHURCH SURROUNDED BY FLOOD WATERS IN BETHPAGE
Jul 29, 1:30 PM CDTFLASH FLOOD6 Nnw Hartsville, TNSEVERAL AREAS OF GREEN GROVE ROAD FLOODED
Jul 29, 1:30 PM CDTFLASH FLOODLafayette, TNFLOODING ALONG BRATTONTOWN CIRCLE
Jul 29, 1:35 PM CDTFLASH FLOOD4 Se Westmoreland, TNLEATHS BRANCH RD... PHILLIPS HOLLOW RD... AND HICKS HOLLOW RD WERE UNDER WATER. WATER IS RECEDING NOW.

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, 4.6 hours before the alert went out and 69 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°0°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.

678 
WGUS54 KOHX 291637
FFWOHX
TNC111-165-169-291900-
/O.NEW.KOHX.FF.W.0026.160729T1637Z-160729T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1137 AM CDT FRI JUL 29 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN SUMNER COUNTY IN MIDDLE TENNESSEE...
  NORTHWESTERN TROUSDALE COUNTY IN MIDDLE TENNESSEE...
  MACON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 200 PM CDT

* AT 1136 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES ONE TO TWO
  INCHES OF RAIN HAVE ALREADY FALLEN ACROSS EASTERN SUMNER AND MACON
  COUNTIES THIS MORNING. ADDITIONAL RAINFALL OF ONE TO TWO INCHES IS
  POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  GALLATIN...LAFAYETTE...WESTMORELAND...RED BOILING SPRINGS...
  BETHPAGE AND BLEDSOE CREEK STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3662 8579 3661 8580 3652 8581 3651 8581
      3634 8645 3647 8653 3664 8620

$$

SHAMBURGER
2 follow-up statements
415 
WGUS74 KOHX 291713
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1213 PM CDT FRI JUL 29 2016

TNC111-165-169-291900-
/O.CON.KOHX.FF.W.0026.000000T0000Z-160729T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUMNER TN-TROUSDALE TN-MACON TN-
1213 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN SUMNER...NORTHWESTERN TROUSDALE AND MACON COUNTIES...

AT 1209 PM CDT...LOCAL LAW ENFORCEMENT REPORTED FLOODED ROADS AND A
WATER RESCUE ONGOING NEAR THE BRANSFORD AREA OF EASTERN SUMNER
COUNTY. RADAR ESTIMATED ONE TO THREE INCHES OF RAIN HAVE ALREADY
FALLEN THIS MORNING. ADDITIONAL RAINFALL OF ONE TO TWO INCHES IS
POSSIBLE THIS AFTERNOON. FLASH FLOODING IS EXPECTED ACROSS THE
WARNED AREA.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GALLATIN...LAFAYETTE...WESTMORELAND...RED BOILING SPRINGS...
BETHPAGE AND BLEDSOE CREEK STATE PARK.

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 3661 8580 3652 8581 3651 8581
      3634 8645 3647 8653 3664 8620

$$

SHAMBURGER
298 
WGUS74 KOHX 291748
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1248 PM CDT FRI JUL 29 2016

TNC111-165-169-291900-
/O.CON.KOHX.FF.W.0026.000000T0000Z-160729T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SUMNER TN-TROUSDALE TN-MACON TN-
1248 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
NORTHEASTERN SUMNER...NORTHWESTERN TROUSDALE AND MACON COUNTIES...

AT 1244 PM CDT...LOCAL LAW ENFORCEMENT AND THE PUBLIC REPORTED FLASH
FLOODING CONTINUES ACROSS THE WARNED AREA. SEVERAL ROADS ARE
REPORTEDLY FLOODED IN EASTERN SUMNER COUNTY AND SOUTHWEST MACON
COUNTY INCLUDING HIGHWAY 31...HIGHWAY 141...DESHA CREEK ROAD...HAZE
HYDE ROAD...PHILLIP HOLLOW ROAD...AND WOLF HILL ROAD. RADAR
ESTIMATES ONE TO FOUR INCHES OF RAIN HAVE ALREADY FALLEN ACROSS THE
WARNED AREA THIS MORNING. ADDITIONAL THUNDERSTORM CONTINUE TO MOVE
ACROSS THE AREA SO FLASH FLOODING IS EXPECTED TO CONTINUE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GALLATIN...LAFAYETTE...WESTMORELAND...RED BOILING SPRINGS...
BETHPAGE AND BLEDSOE CREEK STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3662 8579 3661 8580 3652 8581 3651 8581
      3634 8645 3647 8653 3664 8620

$$

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, 12:08 PM CDTSpecial Weather StatementOHXSumner37 min
Jul 29, 12:54 PM CDTFlash Flood WarningOHXMacon, Smith, Sumner, Trousdale, Wilson3 hr
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.