Alert archive / Tennessee / Flash Flood Warnings in 2016

Flash Flood Warning 28, NWS Nashville, TN

July 29, 2016Clay County, Jackson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 29, 2016, 12:56 PM CDT for Clay County, Jackson County, 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
Jul 29, 2016, 12:56 PM CDT (17:56 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 Clay County, TN, Jackson County, TN

The radar

The Nashville radar (KOHX), 78 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.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 5.9 hours before the alert went out and 86 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.

712 
WGUS54 KOHX 291756
FFWOHX
TNC027-087-292100-
/O.NEW.KOHX.FF.W.0028.160729T1756Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1256 PM CDT FRI JUL 29 2016

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLAY COUNTY IN MIDDLE TENNESSEE...
  JACKSON COUNTY IN MIDDLE TENNESSEE...

* UNTIL 400 PM CDT

* AT 1256 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...
  CELINA...GAINESBORO...WHITLEYVILLE AND MOSS. 

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 3661 8547 3635 8550 3628 8584 3629 8585
      3633 8584 3634 8583 3641 8583 3661 8580
      3662 8579

$$

SHAMBURGER
2 follow-up statements
390 
WGUS74 KOHX 291956
FFSOHX

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

TNC027-087-292100-
/O.CON.KOHX.FF.W.0028.000000T0000Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY TN-JACKSON TN-
256 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM CDT FOR
CLAY AND JACKSON COUNTIES...

AT 255 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE WARNED
AREA HAS ENDED. HOWEVER...RADAR ESTIMATES ONE TO THREE INCHES OF
RAIN HAVE FALLEN ACROSS NORTHERN JACKSON AND WESTERN CLAY COUNTIES
TODAY. FLASH FLOODING IS LIKELY IN SOME AREAS THIS AFTERNOON
BEFORE WATERS RECEDE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CELINA...GAINESBORO...WHITLEYVILLE AND MOSS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3661 8547 3635 8550 3628 8584 3629 8585
      3633 8584 3634 8583 3641 8583 3661 8580
      3662 8579

$$

SHAMBURGER
902 
WGUS74 KOHX 292049
FFSOHX

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

TNC027-087-292058-
/O.CAN.KOHX.FF.W.0028.000000T0000Z-160729T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLAY TN-JACKSON TN-
349 PM CDT FRI JUL 29 2016

...THE FLASH FLOOD WARNING FOR CLAY AND JACKSON 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 3661 8547 3635 8550 3628 8584 3629 8585
      3633 8584 3634 8583 3641 8583 3661 8580
      3662 8579

$$

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, 12:54 PM CDTFlash Flood WarningOHXMacon, Smith, Sumner, Trousdale, Wilson3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.