Alert archive / Tennessee / Flash Flood Warnings in 1989

Flash Flood Warning 1, NWS Atlanta, GA

March 5, 1989Marion County, Sequatchie County, Tennessee

NWS Atlanta, GA issued this flash flood warning at Mar 5, 1989, 8:45 PM CST for Marion County, Sequatchie County, Tennessee. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Mar 5, 1989, 8:45 PM CST (02:45 UTC)
Expired
Mar 5, 1989, 11:45 PM CST
In force
3 hr
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Marion County, TN, Sequatchie County, TN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.8 hours before the alert went out and 138 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 1989-03-06Temperature 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°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 1989-03-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 468 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
488 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
468 m²/s²
0-3 km storm-relative helicity
636 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 060247
FFWCHA
TNC115-153-060545-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
945 PM EST (845 PM CST) SUN MAR 5 1989
 
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1245 AM EST (1145 PM CST)
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST TENNESSEE
          ...MARION...SEQUATCHIE
 
AT 840PM CST THE MARION COUNTY SHERIFFS OFFICE INDICATED A NUMBER
OF SMALL STREAMS FLOODING AS WELL AS SOME ROADWAY FLOODING.
EVACUATION OF SEVERAL PERSONS FROM ALONG SMALL STREAMS IS
LIKELY.  WEATHER RADAR AT 840PM CST CONTINUED TO INDICATE
STRONG THUNDERSTORM ACTIVITY OVER THE COUNTY MOVING TOWARD
THE NORTHEAST INTO SEQUATCHIE COUNTY.
 
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 ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO 'FLOODING WHEN WATER BEGINS RISING.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 5, 6:40 PM CST, 2 hours 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
730 PM EST SUN MAR 5 1989

...TORNADO WATCH IS IN EFFECT UNTIL 200 AM EST FOR MOST OF NORTH AND
CENTRAL GEORGIA.
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR NORTH GEORGIA.

AT 730 PM EST THE ATHENS RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
OVER EASTCENTRAL GEORGIA IN THE AUGUSTA VICINITY. THE THUNDERSTORMS
WERE MOVING NORTHEAST AT 40 MILES AN HOUR.

ELSEWHERE...SCATTERED THUNDERSTORMS WERE DETECTED OVER NORTHWEST
GEORGIA...NORTHEAST ALABAMA AND SOUTHEAST TENNESSEE. ALSO STRONG
THUNDERSTORMS WERE MOVING INTO WESTCENTRAL SOUTH CAROLINA NEAR AIKEN.

MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.

PERSONS THROUGHOUT NORTHEAST GEORGIA SHOULD CONTINUE TO MONITOR THIS
WEATHER SITUATION AND SHOULD REMAIN ALERT AND BE READY TO MOVE QUICKLY
TO A SAFE AREA IF WARNINGS ARE ISSUED.  STAY TUNED TO NOAA WEATHER RADIO
FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Mar 5, 6:52 PM CST, 1 hour 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
750 PM EST SUN MAR 5 1989

 ...A TORNADO WATCH CONTINUES FOR EAST CENTRAL ALABAMA UNTIL 11 PM EST
AND FOR ALL OF WEST CENTRAL..SOUTHWEST AND SOUTHCENTRAL GEORGIA UNTIL
2AM EST TONIGHT...

AT 745 PM EST COLUMBUS WEATHER RADAR WAS SHOWING A SOLID AREA OF
RAIN AND THUNDERSTORMS EXTENDING FROM NORTHWEST GEORGIA INTO EASTERN
ALABAMA..ACTUALLY OCCURRING FROM DALLAS GEORGIA TO TROY ALABAMA. THE
STRONGEST STORM WAS IN SOUTHERN TALLAPOSSA COUNTY ALABAMA MOVING
NORTHEAST AT 45 MILES AN HOUR. THE WHOLE LINE WAS MOVING EAST AT
25 MPH.

PERSONS IN EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA CAN EXPECT
POSSIBLE SEVERE WEATHER AND SlHOULD BE PREPARED TO TAKE SHELTER WHEN
THESE STORMS APPROCH. LISTEN TO NOAA WEATHER RADIO AND OTHER NEWS
FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Mar 5, 8:02 PM CST, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
900 PM EST SUN MAR 5 1989

...TORNADO WATCH NUMBER 25 CONTINUES IN EFFECT UNTIL 2 AM MONDAY
MORNING FOR A LARGE PART OF GEORGIA...INCLUDING ALL OF CENTRAL GEORGIA
...AND PARTS OF WESTERN SOUTH CAROLINA...

AT 9 PM WEATHER SERVICE RADAR IN MACON WAS SHOWING A BAND OF STRONG
TO SEVERE THUNDERSTORMS OVER NORTHWEST GEORGIA...EXTENDING SOUTHWEST
INTO EAST AND SOUTHEAST ALABAMA.

THESE STORMS WERE MOVING NORTHEAST AT 45 MPH. THE STORMS IN ALABAMA
WILL LIKELY MOVE INTO PARTS OF CENTRAL GEORGIA LATER TONIGHT AND EARLY
MONDAY MORNING.

STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO AND TV FOR LATER
INFORMATION ON THESE DANGEROUS THUNDERSTORMS.
Local storm report, Mar 5, 8:05 PM CST, 40 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ATLANTA GA
910 PM EST SUN MAR 5 1989

710 PM...TALLAPOOSA P.D. - QUARTER SIZE HAIL...2 BARNS COMPLETELY
         DESTROYED...1 BARN WITH EXTENSIVE DAMAGE. (7 MI N OF
         TALLAPOOSA IN HARALSON CO.)
Special weather statement, Mar 5, 8:10 PM CST, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBUS GA
910 PM EST SUN MAR 5 1989

 ...A TORNADO WATCH CONTINUES FOR EAST CENTRAL ALABAMA UNTIL 11 PM EST
AND FOR ALL OF WEST CENTRAL..SOUTHWEST AND SOUTHCENTRAL GEORGIA UNTIL
2AM EST TONIGHT...

AT 905 PM EST COLUMBUS WEATHER RADAR WAS SHOWING A SOLID AREA OF
RAIN AND THUNDERSTORMS EXTENDING FROM NORTHWEST GEORGIA INTO EASTERN
ALABAMA..ACTUALLY OCCURRING FROM 15 MILES NORTHWEST OF ATLANTA SOUTHWEST
TO LUVERNE AND OZARK ALABAMA. THE STRONGEST STORMS WERE IN NORTHERN LEE
AND CHAMBERS COUNTY NORTH OF AUBURN...ALSO 10 MILES SOUTH OF UNION SPRINGS
AND NEAR LOUISVILLE ALABAMA. THESE STORM MOVING NORTHEAST AT 40 MPH
WHILE THE WHOLE AREA MOVES EAST AT 25 MPH.

PERSONS IN EAST CENTRAL ALABAMA AND WEST CENTRAL GEORGIA..INCLUDING
THE COLUMBUS/PHENIX CITY AREA..CAN EXPECT STRONG GUSTY WINDS AND POSSIBLE
HAIL WITH THESE STRONGER STORMS. VERY HEAVY RAIN AND DANGEROUS LIGHTNING
WILL ALSO ACCOMPANY THESE STORMS. REMEMBER ANY STRONG THUNDERSTORM CAN
PRODUCE TORNADOS. YOU SHOULD BE READY TO SEEK SHELTER WHEN THESE
STORMS APPROACH YOUR AREA AND LISTEN TO NOAA WEATHER RADIO OR
OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Mar 5, 8:28 PM CST, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE ATHENS GA
925 PM EST SUN MAR 5 1989

...TORNADO WATCH REMAINS IS EFFECT UNTIL 200 AM EST FOR MOST OF NORTH
AND CENTRAL GEORGIA.
...A FLASH FLOOD WATCH IS IN EFFECT TONIGHT FOR EXTREME NORTH GEORGIA.

AT 925 PM EST THE ATHENS RADAR INDICATED NO SIGNIFICANT THUNDERSTORM
ACTIVITY ANYWHERE IN NORTHEAST GEORGIA. HOWEVER PERSONS THROUGHOUT
THE NORTHEAST GEORGIA COUNTIES SHOULD CONTINUE TO KEEP UPDATED ON
CHANGING WEATHER CONDITIONS.

ELSEWHERE...SCATTERED THUNDERSTORMS EXTENDED FROM EAST ALABAMA...ACROSS
NORTHWEST GEORGIA...INTO EAST TENNESSEE AND WEST NORTH CAROLINA. A VERY
STRONG THUNDERSTORM WAS DETECTED IN WESTCENTRAL GEORGIA NORTH OF
LAGRANGE...NEAR FRANKLIN. ANOTHER VERY STRONG THUNDERSTORM WAS NOTED IN
EASTCENTRAL ALABAMA NEAR LAFAYETTE.

ALSO STRONG THUNDERSTORMS WERE INDICATED ACROSS WESTCENTRAL AND NORTH
CENTRAL SOUTH CAROLINA FROM NEAR AIKEN TO CHESTER.
>
ALL THUNDERSTORMS WERE MOVING NORTHEAST AT 45 MILES AN HOUR.

PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT FOR POSSIBLE SEVERE
WEATHER DURING THE NEXT FEW HOURS AND BE PREPARED TO FIND A PLACE
OF SAFETY IN THREATNING WEATHER APPROACHES. KEEP TUNED TO NOAA
WEATHER RADIO FOR CONSTANT WESTHER UPDATES.

Nearby

Flash Flood Warnings in Tennessee, 1989Every flash flood warning in 1989

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.