Alert archive / Tennessee / Flash Flood Warnings in 2004

Flash Flood Warning 2, NWS Morristown, TN

February 6, 20044 counties in Tennessee

NWS Morristown, TN issued this flash flood warning at Feb 6, 2004, 4:41 AM EST for 4 counties in Tennessee. It was in force for 4 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
Feb 6, 2004, 4:41 AM EST (09:41 UTC)
Expired
Feb 6, 2004, 8:45 AM EST
In force
4 hr
Issued by
NWS Morristown, TN
Area
Counties, with a storm outline in the text

Counties Bradley County, TN, Hamilton County, TN, McMinn County, TN, Meigs County, TN

The radar

The Northeast Alabama radar (KHTX), 112 km from the middle of the area, began a volume at 09:42 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, 9.7 hours before the alert went out and 176 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 2004-02-06Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2004-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 704 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
626 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
704 m²/s²
0-3 km storm-relative helicity
757 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 KMRX 060948
FFWMRX
TNC011-065-107-121-061345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MORRISTOWN TN
441 AM EST FRI FEB 6 2004

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BRADLEY COUNTY IN EAST TENNESSEE
  HAMILTON COUNTY IN EAST TENNESSEE
  MCMINN COUNTY IN EAST TENNESSEE
  MEIGS COUNTY IN EAST TENNESSEE

* UNTIL 845 AM EST

* AT 335 AM CST(435 AM EST)...NATIONAL WEATHER SERVICE DOPPLER       
  RADAR INDICATED MODERATE RAIN CONTINUING ACROSS SOUTHEAST          
  TENNESSEE. THE HEAVIEST BAND...WITH A FEW THUNDERSTORMS WAS MOVING 
  EAST AROUND 15 MPH ACROSS CENTRAL BRADLEY AND MCMINN COUNTIES. A   
  LARGE AREA OF MODERATE RAINFALL CONTINUES TO THE WEST OF THE LINE.

RADAR ESTIMATED RAINFALL SINCE MIDNIGHT IS IN EXCESS OF TWO INCHES 
ACROSS MUCH OF THE WARNED AREA. ADDITIONAL RAINFALL OF AROUND ONE 
THIRD INCH AN HOUR IS EXPECTED TO CONTINUE THROUGH DAY BREAK. 

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. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS.

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. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK
HIGHER GROUND.

LAT...LON 3504 8540 3501 8480 3526 8469 3537 8440
          3577 8469 3542 8497 3545 8518

$$
1 follow-up statement
000 
WGUS74 KMRX 061343
FFSMRX
TNC011-065-107-121-061400-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
841 AM EST FRI FEB 6 2004

...THE FLASH FLOOD WARNING FOR MEIGS...MCMINN...HAMILTON AND BRADLEY
COUNTIES HAS BEEN ALLOWED TO EXPIRE...

HOWEVER...THE FLOODING IS NOT FINISHED. FLASH FLOODING IS NO LONGER 
EXPECTED. INSTEAD...GENERAL FLOODING WILL CONTINUE THROUGH MOST OF 
THE DAY ON STREAMS...IN LOW SPOTS...AND URBAN AREAS.

A FLOOD WARNING WILL BE ISSUED SHORTLY TO COVER THE SITUATION. STAY 
TUNED.

LAT...LON 3536 8443 3527 8469 3501 8478 3502 8542
          3543 8517 3540 8497 3571 8470

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 6, 12:56 AM ESTFlash Flood WarningMRXBledsoe, Campbell, Marion, Morgan, Rhea, Scott and 1 more6 hr
Feb 6, 6:30 AM ESTFlash Flood WarningMRXBledsoe, Campbell, Marion, Morgan, Rhea, Roane and 2 more3 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.