Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 30, NWS Nashville, TN

August 4, 2016Rutherford County, Tennessee

NWS Nashville, TN issued this flash flood warning at Aug 4, 2016, 7:18 PM CDT for Rutherford County, Tennessee. It was in force for 117 min. 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
Aug 4, 2016, 7:18 PM CDT (00:18 UTC)
Expired
Aug 4, 2016, 9:15 PM CDT
In force
117 min
Issued by
NWS Nashville, TN
Area
Storm-based polygon
Flood severity
None

County Rutherford County, TN

The radar

The Nashville radar (KOHX), 38 km from the middle of the area, began a volume at 00:20 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

TimeReportWhereRemark
Aug 4, 7:25 PM CDTFLASH FLOOD4 S Walterhill, TNMINOR FLOODING REPORTED AT MEMORIAL DRIVE AT THOMPSON ROAD
Aug 4, 7:50 PM CDTFLASH FLOOD3 Sw Walterhill, TNFLOODING REPORTED AT LEANNA ROAD AT JAMESTOWN DRIVE

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, 0.3 hours before the alert went out and 29 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 2016-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1623 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 2016-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 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
1623 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1022 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

710 
WGUS54 KOHX 050018
FFWOHX
TNC149-050215-
/O.NEW.KOHX.FF.W.0030.160805T0018Z-160805T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
718 PM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL RUTHERFORD COUNTY IN MIDDLE TENNESSEE...

* UNTIL 915 PM CDT

* AT 717 PM CDT...DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES UP TO
  TWO INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED
  TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MURFREESBORO...SMYRNA...WALTERHILL AND LASCASSAS. 

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 3601 8645 3591 8623 3582 8631 3594 8651

$$

SHAMBURGER
2 follow-up statements
494 
WGUS74 KOHX 050051
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
751 PM CDT THU AUG 4 2016

TNC149-050215-
/O.CON.KOHX.FF.W.0030.000000T0000Z-160805T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RUTHERFORD TN-
751 PM CDT THU AUG 4 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT FOR
CENTRAL RUTHERFORD COUNTY...

AT 750 PM CDT...DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN
CONTINUES ACROSS THE WARNED AREA. RADAR ESTIMATES UP TO THREE INCHES
OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MURFREESBORO...SMYRNA...WALTERHILL AND LASCASSAS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3601 8645 3591 8623 3582 8631 3594 8651

$$

SHAMBURGER
267 
WGUS74 KOHX 050201
FFSOHX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
901 PM CDT THU AUG 4 2016

TNC149-050211-
/O.CAN.KOHX.FF.W.0030.000000T0000Z-160805T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
RUTHERFORD TN-
901 PM CDT THU AUG 4 2016

...THE FLASH FLOOD WARNING FOR CENTRAL RUTHERFORD COUNTY IS
CANCELLED...

THE HEAVY RAIN HAS ENDED AND FLOOD WATERS ARE RECEDING. FLOODING IS
NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES AND AVOID ANY FLOODED ROADWAYS.

LAT...LON 3601 8645 3591 8623 3582 8631 3594 8651

$$

SHAMBURGER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 7:10 PM CDTSevere Thunderstorm WarningOHXRutherford35 min
Aug 4, 7:36 PM CDTSpecial Weather StatementOHXCheatham39 min
Aug 4, 8:02 PM CDTSpecial Weather StatementOHXRutherford43 min
Aug 4, 8:10 PM CDTAreal Flood AdvisoryOHXDavidson, Rutherford, Williamson2 hr
Aug 4, 8:33 PM CDTSpecial Weather StatementOHXWilliamson27 min
Aug 5, 3:34 AM CDTHeat AdvisoryOHXDickson, Hickman, Houston, Humphreys, Lawrence, Lewis and 4 more15 hr
Aug 5, 1:24 PM CDTSpecial Weather StatementOHXSumner36 min
Aug 5, 2:17 PM CDTSpecial Weather StatementOHXWilson28 min
Aug 5, 3:37 PM CDTSpecial Weather StatementOHXRobertson23 min
Aug 5, 3:57 PM CDTSpecial Weather StatementOHXSumner33 min
Aug 5, 4:05 PM CDTSpecial Weather StatementOHXRobertson40 min
Aug 5, 4:41 PM CDTSpecial Weather StatementOHXDavidson, Sumner49 min
Aug 5, 4:44 PM CDTSpecial Weather StatementOHXMontgomery31 min
Aug 5, 5:44 PM CDTSpecial Weather StatementOHXMontgomery31 min

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.