Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 21, NWS Nashville, TN

May 15, 2004Cumberland County, Tennessee

NWS Nashville, TN issued this flash flood warning at May 15, 2004, 6:40 PM CDT for Cumberland 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
May 15, 2004, 6:40 PM CDT (23:40 UTC)
Expired
May 15, 2004, 9:30 PM CDT
In force
3 hr
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

County Cumberland County, TN

The radar

The Northeast Alabama radar (KHTX), 137 km from the middle of the area, began a volume at 23:41 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, 11.7 hours before the alert went out and 139 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 2004-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2004-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
621 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
94 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 152341
FFWBNA
TNC035-160230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
640 PM CDT SAT MAY 15 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN CUMBERLAND COUNTY IN TENNESSEE

* UNTIL 930 PM CDT

* AT 640 PM CDT...WEATHER RADAR INDICATED THUNDERSTORMS WITH 
  VERY HEAVY RAIN OVER SOUTHERN CUMBERLAND COUNTY. 3 TO 4 INCHES     
  OF RAIN HAS FALLEN OVER THE FAR SOUTHWEST PART OF THE COUNTY 
  TODAY...AND SOME AREAS HAVE RECEIVED OVER 2 INCHES DURING THE      
  PAST HOUR. ADDITIONAL HEAVY DOWNPOURS COULD PRODUCE ANOTHER INCH   
  OF RAIN WITHIN THE NEXT HOUR.  

* CITIES AFFECTED THROUGH 930 PM CDT INCLUDE...
  LAKE TANSI

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION. TO REPORT FLOODING...CONTACT LOCAL LAW
ENFORCEMENT.

LAT...LON 3589 8527 3573 8515 3589 8475 3593 8503

$$

13

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 2:20 PM CDTFlash Flood WarningOHXGiles, Lawrence, Maury115 min

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.