Alert archive / Tennessee / Flash Flood Warnings in 2003

Flash Flood Warning 68, NWS Nashville, TN

July 12, 2003Marshall County, Tennessee

NWS Nashville, TN issued this flash flood warning at Jul 12, 2003, 10:51 PM CDT for Marshall 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 12, 2003, 10:51 PM CDT (03:51 UTC)
Expired
Jul 13, 2003, 1:45 AM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

County Marshall County, TN

The radar

The Northeast Alabama radar (KHTX), 89 km from the middle of the area, began a volume at 03:52 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 00:00Z, 3.9 hours before the alert went out and 77 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 2003-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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 00:00Z on 2003-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 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
89 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1585 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KOHX 130354
FFWBNA
TNC117-130645-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1051 PM CDT SAT JUL 12 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MARSHALL COUNTY IN TENNESSEE

* UNTIL 145 AM CDT

* AT 1048 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY      
  HEAVY ACCUMULATING OVER THE SOUTHERN HALF OF MARSHALL COUNTY, WITH 
  SOME SPOTS RECEIVING AS MUCH AS 2 INCHES DURING THE PAST HOUR.

* TOWNS IN THE WARNED AREA INCLUDE LEWISBURG AND CORNERSVILLE.

EXTENSIVE FLOODING WILL OCCUR OVERNIGHT. FLASH FLOODING IS IMMINENT.
MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.
&&
LAT...LON 3555 8686 3545 8695 3535 8694 3532 8664
          3555 8665
$$
ROSE
1 follow-up statement
000 
WGUS74 KOHX 130426
FFSBNA
TNC117-119-130645-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
1126 PM CDT SAT JUL 12 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 115 AM FOR SOUTHERN MAURY
COUNTY, AND UNTIL 145 AM FOR MARSHALL COUNTY...

AT 1123 PM, DOPPLER RADAR CONTINUED TO SHOW HEAVY RAINFALL OVER
SOUTHEAST MAURY COUNTY, WITH THE MOST INTENSE RAINFALL HAVING MOVED
INTO SOUTHERN MARSHALL COUNTY, AROUND CORNERSVILLE. RADAR ESTIMATED
THAT SOME PLACES IN SOUTHERN MAURY COUNTY HAD RECEIVED MORE THAN 4
INCHES OF RAIN DURING THE LAST TWO HOURS, WITH AMOUNTS EXCEEDING 3
INCHES IN SOUTHERN MARSHALL COUNTY DURING THE SAME PERIOD. MORE
RAINFALL WAS ALSO OCCURRING UPSTREAM, OVER HICKMAN AND LEWIS
COUNTIES, WHICH MAY FURTHER EXACERBATE THE FLOODING POTENTIAL IN THE
WARNED AREAS.

IF YOU LIVE IN SOUTHERN MAURY OR SOUTHERN MARSHALL COUNTIES,
ESPECIALLY IN LOW LYING AREAS OR NEAR CREEKS OR STREAMS, YOU ARE
URGED TO STAY ALERT TO POSSIBLE RISING WATER. IN ADDITION, OVERNIGHT
TRAVEL IN THESE AREAS IS STRONGLY DISCOURAGED. FLOODING IS THE NUMBER
ONE WEATHER KILLER IN AMERICA, AND MOST FLASH FLOOD DEATHS ARE
AUTOMOBILE RELATED. DO NOT ATTEMPT TO DRIVE ACROSS WATER COVERED
ROADWAYS. TURN AROUND, DONT DROWN.
$$
ROSE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 8:56 PM CDTSevere Thunderstorm WarningOHXHickman34 min
Jul 12, 9:09 PM CDTSevere Thunderstorm WarningOHXMaury31 min
Jul 12, 9:40 PM CDTSevere Thunderstorm WarningOHXGiles, Marshall, Maury30 min
Jul 12, 9:44 PM CDTSevere Thunderstorm WarningOHXHickman, Williamson46 min
Jul 12, 10:19 PM CDTFlash Flood WarningOHXMaury3 hr
Jul 12, 11:36 PM CDTFlash Flood WarningOHXHickman3 hr
Jul 13, 10:59 AM CDTSevere Thunderstorm WarningOHXFentress31 min
Jul 13, 11:37 AM CDTSevere Thunderstorm WarningOHXFentress38 min
Jul 13, 12:03 PM CDTSevere Thunderstorm WarningOHXClay, Pickett27 min
Jul 13, 1:00 PM CDTFlash Flood WarningOHXSumner2 hr
Jul 13, 2:07 PM CDTSevere Thunderstorm WarningOHXLawrence23 min
Jul 13, 2:11 PM CDTSevere Thunderstorm WarningOHXDavidson, Wilson34 min
Jul 13, 2:21 PM CDTSevere Thunderstorm WarningOHXSmith, Trousdale39 min
Jul 13, 2:27 PM CDTSevere Thunderstorm WarningOHXMarshall33 min
Jul 13, 2:42 PM CDTSevere Thunderstorm WarningOHXCannon, Rutherford48 min
Jul 13, 2:58 PM CDTSevere Thunderstorm WarningOHXSmith, Wilson32 min
Jul 13, 3:07 PM CDTSevere Thunderstorm WarningOHXBedford23 min
Jul 13, 3:09 PM CDTSevere Thunderstorm WarningOHXFentress51 min
Jul 13, 3:26 PM CDTSevere Thunderstorm WarningOHXWayne49 min
Jul 13, 3:30 PM CDTSevere Thunderstorm WarningOHXCannon, Coffee, Rutherford45 min
Jul 13, 3:39 PM CDTSevere Thunderstorm WarningOHXPerry31 min
Jul 13, 3:44 PM CDTSevere Thunderstorm WarningOHXWarren46 min
Jul 13, 4:09 PM CDTSevere Thunderstorm WarningOHXLawrence36 min
Jul 13, 4:14 PM CDTTornado WarningOHXGrundy, Warren31 min
Jul 13, 4:20 PM CDTTornado WarningOHXCoffee, Grundy, Warren25 min
Jul 13, 4:35 PM CDTSevere Thunderstorm WarningOHXDavidson40 min
Jul 13, 4:52 PM CDTSevere Thunderstorm WarningOHXRobertson23 min
Jul 13, 5:00 PM CDTSevere Thunderstorm WarningOHXFranklin, Grundy15 min
Jul 13, 5:09 PM CDTSevere Thunderstorm WarningOHXHickman36 min
Jul 13, 5:11 PM CDTSevere Thunderstorm WarningOHXLewis, Maury34 min
Jul 13, 5:16 PM CDTSevere Thunderstorm WarningOHXDavidson, Sumner, Wilson44 min
Jul 13, 5:42 PM CDTSevere Thunderstorm WarningOHXWayne43 min
Jul 13, 5:57 PM CDTSevere Thunderstorm WarningOHXMarshall, Rutherford, Williamson33 min
Jul 13, 5:59 PM CDTSevere Thunderstorm WarningOHXSumner31 min
Jul 13, 6:02 PM CDTSevere Thunderstorm WarningOHXBedford, Marshall, Rutherford, Williamson28 min
Jul 13, 6:48 PM CDTSevere Thunderstorm WarningOHXDickson37 min

Nearby

Flash Flood Warnings in Tennessee, 2003Every flash flood warning in 2003

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.