Alert archive / Tennessee / Flash Flood Warnings in 2003
Flash Flood Warning 94, NWS Nashville, TN
NWS Nashville, TN issued this flash flood warning at Aug 6, 2003, 2:03 PM CDT for Williamson 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
- Aug 6, 2003, 2:03 PM CDT (19:03 UTC)
- Expired
- Aug 6, 2003, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Nashville, TN
- Area
- Counties, with a storm outline in the text
County Williamson County, TN
The radar
The Nashville radar (KOHX), 51 km from the middle of the area, began a volume at 19:05 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, 7.1 hours before the alert went out and 40 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.
- Mixed-layer CAPE
- 127 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KOHX 061908 FFWBNA TNC187-062200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 203 PM CDT WED AUG 6 2003 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... WILLIAMSON COUNTY IN TENNESSEE THIS INCLUDES THE CITY OF FRANKLIN * UNTIL 500 PM CDT * AT 200 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER MUCH OF WILLIAMSON COUNTY. RAINFALL RATES HAVE BEEN 2 TO 2.5 INCHES PER HOUR. WEATHER RADAR INDICATED THAT TRACE CREEK IN NORTHERN WILLIAMSON COUNTY AND BEAR CREEK IN THE SOUTHERN PART OF THE COUNTY HAVE RECEIVED THE MOST RAIN. MORE HEAVY RAIN WILL ENTER WILLIAMSON COUNTY FROM NORTHERN HICKMAN COUNTY. A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS OCCURRING OR IMMINENT. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES, DIPS, OR OTHER LOW SPOTS IF WATER COVERS THE ROAD. NEVER TRY TO CROSS A FLOWING STREAM, EVEN A SMALL ONE, ON FOOT. TO ESCAPE RISING WATER, MOVE TO HIGHER GROUND. LAT...LON 3602 8715 3586 8721 3572 8670 3603 8667 $$ END/ORCHANIAN
1 follow-up statement
000 WGUS74 KOHX 062233 FFSBNA TNC081-187-062300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 533 PM CDT WED AUG 6 2003 ...FLASH FLOOD WARNINGS FOR HICKMAN AND WILLIAMSON COUNTIES HAVE EXPIRED... THE HEAVY RAINFALL THAT BROUGHT THE THREAT OF FLASH FLOODING TO HICKMAN COUNTY AND WILLIAMSON COUNTY HAS NOW MOVED SOUTH OF THE AREA. THEREFORE...THE POTENTIAL FOR FLASH FLOODING NO LONGER EXISTS. HOWEVER...WITH THE ONGOING POTENTIAL FOR ISOLATED SHOWERS AND THUNDERSTORMS TO STILL OCCUR...THE PONDING OF WATER ON ROADWAYS AND MINOR FLOODING OF LOW LYING AREAS WILL STILL BE POSSIBLE. LAT...LON 3658 8577 3645 8561 3656 8496 3693 8539 $$ 21
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 10:21 AM CDT | Flash Flood Warning | OHX | Maury | 3 hr |
| Aug 6, 12:40 PM CDT | Flash Flood Warning | OHX | Cannon | 3 hr |
| Aug 6, 12:55 PM CDT | Flash Flood Warning | OHX | Rutherford | 3 hr |
| Aug 6, 1:20 PM CDT | Flash Flood Warning | OHX | Lewis | 3 hr |
| Aug 6, 1:34 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Lewis | 41 min |
| Aug 6, 2:17 PM CDT | Flash Flood Warning | OHX | Hickman | 3 hr |
| Aug 6, 3:13 PM CDT | Severe Thunderstorm Warning | OHX | Benton | 32 min |
| Aug 6, 3:46 PM CDT | Severe Thunderstorm Warning | OHX | Perry, Wayne | 44 min |
| Aug 6, 3:50 PM CDT | Flash Flood Warning | OHX | Perry | 3 hr |
| Aug 6, 4:13 PM CDT | Flash Flood Warning | OHX | Lewis | 3 hr |
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.