Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 103, NWS Nashville, TN

December 7, 20044 counties in Tennessee

NWS Nashville, TN issued this flash flood warning at Dec 7, 2004, 6:41 AM CST for 4 counties in 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
Dec 7, 2004, 6:41 AM CST (12:41 UTC)
Expired
Dec 7, 2004, 9:45 AM CST
In force
3 hr
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

Counties Fentress County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN

The radar

The Nashville radar (KOHX), 124 km from the middle of the area, began a volume at 12:40 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, 0.7 hours before the alert went out and 129 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 2004-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 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 2004-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.1939587897117Sfc1 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
26 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
901 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
248 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 071244
FFWOHX
TNC049-133-137-141-071545-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
641 AM CST TUE DEC 7 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FENTRESS COUNTY IN TENNESSEE
  OVERTON COUNTY IN TENNESSEE
  PICKETT COUNTY IN TENNESSEE
  EASTERN PUTNAM COUNTY IN TENNESSEE
  THIS INCLUDES THE CITIES OF JAMESTOWN...LIVINGSTON...BYRDSTOWN AND 
  COOKEVILLE.

* UNTIL 945 AM CST

* AT 634 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN OVER THE WARNED AREA. RAINFALL RATES ARE NEAR 
  1.25 INCHES PER HOUR IN SOME AREAS. THIS WILL LIKELY CAUSE FLOODING
  OF LOW LYING AREAS AND FLOOD PRONE AREAS AS WELL AS CITY STREETS IN 
  URBAN AREAS. 

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.

LAT...LON 3630 8548 3609 8552 3603 8527 3621 8494
      3638 8471 3660 8474 3659 8528

$$

JLM

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 7, 2:35 AM CSTFlash Flood WarningOHXBenton, Houston, Humphreys, Perry, Stewart, Wayne3 hr
Dec 7, 3:03 AM CSTFlash Flood WarningOHXCheatham, Dickson, Hickman, Lewis, Montgomery, Robertson3 hr
Dec 7, 3:27 AM CSTFlash Flood WarningOHXGiles, Lawrence3 hr
Dec 7, 4:03 AM CSTFlash Flood WarningOHXDavidson, Sumner, Williamson3 hr
Dec 7, 4:22 AM CSTFlash Flood WarningOHXMaury3 hr
Dec 7, 4:55 AM CSTFlash Flood WarningOHXBedford, Clay, Jackson, Macon, Marshall, Rutherford and 3 more3 hr
Dec 7, 5:05 AM CSTSevere Thunderstorm WarningOHXCannon, DeKalb, Jackson, Putnam, Rutherford, Smith and 1 more25 min
Dec 7, 5:11 AM CSTSevere Thunderstorm WarningOHXCannon, DeKalb, Jackson, Putnam, Rutherford, Smith and 1 more19 min
Dec 7, 5:47 AM CSTFlash Flood WarningOHXCannon, Coffee, DeKalb, Putnam3 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.