Alert archive / Tennessee / Flash Flood Warnings in 2003

Flash Flood Warning 13, NWS Nashville, TN

April 29, 2003Lewis County, Maury County, Tennessee

NWS Nashville, TN issued this flash flood warning at Apr 29, 2003, 11:51 PM CDT for Lewis County, Maury 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
Apr 29, 2003, 11:51 PM CDT (04:51 UTC)
Expired
Apr 30, 2003, 2:45 AM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

Counties Lewis County, TN, Maury County, TN

The radar

The Nashville radar (KOHX), 103 km from the middle of the area, began a volume at 04:55 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, 4.9 hours before the alert went out and 91 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 2003-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2956 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 2003-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
2956 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1150 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
35 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 300456
FFWBNA
TNC101-119-300745-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
1151 PM CDT TUE APR 29 2003

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS EXTENDED A

* FLASH FLOOD WARNING FOR...
  SOUTHEAST LEWIS COUNTY IN TENNESSEE
  SOUTHERN MAURY COUNTY IN TENNESSEE

* UNTIL 245 AM CDT

* AT 1143 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE
  HEAVY RAIN THAT OCCURRED EARLIER TONIGHT IN MAURAY AND LEWIS COUNTIES
  HAS ENDED. HOWEVER...FLASH FLOODING ALONG SOME CREEKS AND STREAMS 
  WILL LIKLEY CONTINUE INTO THE EARLY MORNING HOURS. 

* ADDITIONAL SHOWERS AND ISOLATED THUNDERSTORMS COULD MOVE INTO THE AREA
  OVER THE NEXT SEVERAL HOURS AND PRODUCE ADDITIONAL RUNOFF...WHICH WILL
  ONLY AGGRAVATE THE FLOODING SITUATION.
  
* IF YOU LIVE NEAR CREEKS AND STREAMS YOU SHOULD HAVE ALREADY MOVED
  TO HIGHER GROUND TO AVOID THE RISING WATERS. 
&&

LAT...LON 3558 8751 3547 8750 3551 8700 3560 8704
          3559 8737

$$
19
1 follow-up statement
000 
WGUS74 KOHX 300626
FFSBNA
TNC101-119-300745-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
126 AM CDT WED APR 30 2003

...A FLASH FLOOD WARNING CONTINUES UNTIL 245 AM FOR SOUTHEAST
LEWIS COUNTY AND SOUTHERN MAURY COUNTY...

AT 120 AM...RADAR INDICATED THAT THE RAINFALL ACTIVITY HAS COME TO
AN END ACROSS THE WARNING AREA. HOWEVER...GIVEN THE AMOUNT OF
RAINFALL THAT HAS FALLEN EARLIER TONIGHT...THE FLASH FLOOD WARNING
WILL BE ALLOWED TO CONTINUE. KEEP IN MIND THAT FLASH FLOODING CAN
STILL OCCUR...EVEN SEVERAL HOURS AFTER THE RAINFALL ENDS.

REMEMBER...FLOODING IS THE NUMBER ONE WEATHER RELATED KILLER.
WHEN DRIVING...DO NOT CROSS WATER OF UNKNOWN DEPTH...AND DO
NOT ATTEMPT TO PUSH YOUR VEHICLE OUT OF A FLOODED LOW LYING AREA.

IF THE WATER LEVEL IN YOUR AREA BEGINS TO RISE RAPIDLY...SEEK
HIGHER GROUND IMMEDIATELY.

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:04 PM CDTSevere Thunderstorm WarningOHXMontgomery26 min
Apr 29, 7:16 PM CDTSevere Thunderstorm WarningOHXSumner29 min
Apr 29, 7:38 PM CDTSevere Thunderstorm WarningOHXGiles, Lawrence, Lewis22 min
Apr 29, 7:40 PM CDTSevere Thunderstorm WarningOHXHickman50 min
Apr 29, 7:44 PM CDTSevere Thunderstorm WarningOHXSumner46 min
Apr 29, 7:52 PM CDTSevere Thunderstorm WarningOHXHumphreys38 min
Apr 29, 8:01 PM CDTSevere Thunderstorm WarningOHXLawrence44 min
Apr 29, 9:08 PM CDTFlash Flood WarningOHXLewis, Maury3 hr
Apr 29, 9:18 PM CDTSevere Thunderstorm WarningOHXOverton27 min
Apr 29, 9:19 PM CDTSevere Thunderstorm WarningOHXBenton, Humphreys41 min
Apr 29, 9:29 PM CDTSevere Thunderstorm WarningOHXHouston, Montgomery, Stewart61 min
Apr 29, 9:57 PM CDTSevere Thunderstorm WarningOHXBenton, Humphreys, Overton48 min
Apr 29, 10:44 PM CDTSevere Thunderstorm WarningOHXBenton, Humphreys46 min
Apr 30, 2:50 PM CDTSevere Thunderstorm WarningOHXCumberland, Van Buren40 min
Apr 30, 3:32 PM CDTFlash Flood WarningOHXCumberland, Van Buren118 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.