Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 63, NWS Nashville, TN

September 2, 2004Maury County, Williamson County, Tennessee

NWS Nashville, TN issued this flash flood warning at Sep 2, 2004, 5:35 AM CDT for Maury County, Williamson County, Tennessee. It was in force for 100 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 2, 2004, 5:35 AM CDT (10:35 UTC)
Expired
Sep 2, 2004, 7:15 AM CDT
In force
100 min
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

Counties Maury County, TN, Williamson County, TN

The radar

The Nashville radar (KOHX), 76 km from the middle of the area, began a volume at 10:34 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, 10.6 hours before the alert went out and 64 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 2004-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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 2004-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
9 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1445 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
58 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 021045
FFWBNA
TNC119-187-021215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
535 AM CDT THU SEP 2 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MAURY COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF COLUMBIA
  WILLIAMSON COUNTY IN TENNESSEE
  THIS INCLUDES THE CITY OF FRANKLIN

* UNTIL 715 AM CDT

* AT 533 AM CDT...DOPPLER WEATHER RADAR CONTINUED TO SHOW...SLOW   
  NORTHWARD MOVING THUNDERSTORMS ADVANCING INTO MAURY AND WILLIAMSON
  COUNTIES. BASED ON SATELLITE OBSERVATIONS AND DOPPLER WEATHER RADAR...
  THESE STORMS WERE BEGINNING TO INTERSECT A WEST TO EAST BAND OF STORMS
  ALREADY IN PLACE ACROSS MAURY AND WILLIAMSON COUNTIES. AS A RESULT OF
  THIS INTERSECTION AND SLOW MOVEMENT OF THE STORMS...FLASH FLOOD POTENTIAL
  EXIST ACROSS MAURY AND WILLIAMSON COUNTIES THROUGH 715 AM CDT. SATELLITE
  ESTIMATED RAINFALL RATES RANGE FROM ONE AND A HALF TO TWO INCHES PER
  HOUR. CREEKS AND STREAMS WILL RISE QUICKLY ALONG WITH PONDING OF WATER
  ON AREA ROADWAYS.


DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3552 8725 3549 8696 3594 8667 3599 8716

$$

BOYD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 4:27 AM CDTFlash Flood WarningOHXGiles33 min
Sep 2, 5:20 AM CDTFlash Flood WarningOHXGiles85 min
Sep 2, 5:43 PM CDTFlash Flood WarningOHXDavidson2 hr

Nearby

Flash Flood Warnings in Tennessee, 2004Every flash flood warning in 2004

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.