Alert archive / Tennessee / Flash Flood Warnings in 1994

Flash Flood Warning 1, NWS Atlanta, GA

February 11, 1994Hamilton County, Tennessee

NWS Atlanta, GA issued this flash flood warning at Feb 11, 1994, 1:12 AM EST for Hamilton County, Tennessee. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 11, 1994, 1:12 AM EST (06:12 UTC)
Expired
Feb 11, 1994, 3:15 AM EST
In force
2 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

County Hamilton County, TN

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 6.2 hours before the alert went out and 219 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, Athens Municipal, GA at 00:00Z on 1994-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLEL10008507005003002001001 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, Athens Municipal, GA at 00:00Z on 1994-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 432 square meters per square second.1939587897Sfc1 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
7 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
432 m²/s²
0-3 km storm-relative helicity
643 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 
TTAA00 KCHA 110612
FFWCHA
TNC065-110815-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
112 AM EST FRI FEB 11 1994
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  315 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST TENNESSEE
 
   ...NORTHERN HAMILTON COUNTY
 
THE HAMILTON COUNTY SHERIFFS OFFICE REPORTS THAT FLOODING IS OCCURRING
IN THE SODDY DAISY COMMUNITY OF NORTH HAMILTON COUNTY. EVACUATIONS ARE
TAKING PLACE ALONG DALLAS HOLLOW AND WEST RIDGE TRAIL ROADS. FLOODING IS
ALSO TAKING PLACE ON MT TABOR...MCCALLIE FERRY AND MCGILL ROADS.
 
RESIDENTS OF THESE AREAS SHOULD SEEK HIGHER GROUND IMMEDIATELY.
 
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
 
 
 
&

Nearby

Flash Flood Warnings in Tennessee, 1994Every flash flood warning in 1994

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.