Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 19, NWS Nashville, TN

May 10, 2004Cannon County, Tennessee

NWS Nashville, TN issued this flash flood warning at May 10, 2004, 8:11 PM CDT for Cannon County, Tennessee. It was in force for 94 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
May 10, 2004, 8:11 PM CDT (01:11 UTC)
Expired
May 10, 2004, 9:45 PM CDT
In force
94 min
Issued by
NWS Nashville, TN
Area
Counties, with a storm outline in the text

County Cannon County, TN

The radar

The Nashville radar (KOHX), 65 km from the middle of the area, began a volume at 01:14 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, 1.2 hours before the alert went out and 59 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 2004-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 840 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 2004-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
840 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1277 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
47 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 110111
FFWBNA
TNC015-110245-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
811 PM CDT MON MAY 10 2004

THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CANNON COUNTY IN TENNESSEE

* UNTIL 945 PM CDT

* AT 802 PM CDT...WEATHER RADAR INDICATED HEAVY RAIN CONTINUING      
  ACROSS CANNON COUNTY. RADAR ESTIMATES OF UP TO 2 TO 3 INCHES OF    
  RAINFALL HAS FALLEN OVER PORTIONS OF CENTRAL CANNON COUNTY. AN     
  ADDITIONAL INCH OF SO OF RAINFALL IS EXPECTED. 

* CITIES AFFECTED THROUGH 945 PM CDT INCLUDE...
  WOODBURY

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.

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

LAT...LON 3589 8598 3571 8603 3577 8615 3593 8611

$$

21

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:04 PM CDTSevere Thunderstorm WarningOHXMontgomery41 min
May 10, 7:35 PM CDTFlash Flood WarningOHXStewart85 min
May 10, 7:36 PM CDTSevere Thunderstorm WarningOHXBenton24 min
May 10, 7:58 PM CDTSevere Thunderstorm WarningOHXStewart47 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.