Alert archive / Tennessee / Flash Flood Warnings in 1989
Flash Flood Warning 15, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Jul 3, 1989, 5:06 PM EDT for Hamilton County, Tennessee. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 3, 1989, 5:06 PM EDT (21:06 UTC)
- Expired
- Jul 3, 1989, 7:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Hamilton 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 12:00Z, 9.1 hours before the alert went out and 167 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.
- Mixed-layer CAPE
- 342 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCHA 032110
FFWCHA
TNC065-032315-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHATTANOOGA TN
506 PM EDT MON JUL 3 1989
THE NATIONAL WEATHER SERVICE IN CHATTANOOGA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 715 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST TENNESSEE
...HAMILTON
RADAR INDICATES A THUNDERSTORM WITH VERY HEAVY RAIN OVER CHATTANOOGA.
THIS THUNDERSTORM WAS MOVING EAST AND WILL CAUSE STREET FLOODING IN
CHATTANOOGA. THIS STORM WILL BE MOVING OVER EAST BRAINERD AND OOLTEWAH
SHORTLY ADDING TO THE HEAVY DOWNPOUR THAT DUMPED ABOUT TWO INCHES
ABOUT AN HOUR AGO. SEVERAL STREETS AND SOME BASEMENT AREA ALREADY
REPORTED AS BEING FLOODED IN EAST BRAINERD AND OOLTEWAH.
STREAMS AND CREEKS ARE ALREADY AT BANKFUL.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRXIDGES...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.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, Jul 3, 11:57 AM EDT, 5 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 1200 PM EDT MON JUL 3 1989 AT 1155 AM COLUMBUS WEATHER RADAR WAS SHOWING LIGHT TO MODERATE RAIN AND A FEW HEAVY SHOWERS AND THUNDERSHOWERS ALL ACROSS WEST CENTRAL GEORGIA AND BECOMING SCATTERED ACROSS EAST CENTRAL ALABAMA. ALL THIS ACTIVITY WAS MOVING NORTHEAST AT 25 MILES AN HOUR OVER 3 INCHES OF RAIN HAS FALLEN AT THE NATIONAL WEATHER SERVICE IN COLUMBUS GEORGIA SINCE 8AM THIS MORNING. SOME SMALL STREAMS AND STREETS ARE FLOODING ALL ACROSS METROPOLITAN COLUMBUS AND PHENIX CITY ALABAMA. MOTORISTS ARE ADVISED TO BE CAUTIOUS AND NOT EVEN DRIVE IF POSSIBLE FOR THE NEXT SEVERAL HOURS UNTIL THE RAIN SLACKENS AND THE STREET FLOODING GOES DOWN. PERSONS IN FLOOD PRONE AREAS SHOULD CONTINUE TO MAKE PREPERATIONS FOR POSSIBLE FLOODING AND BE READY TO MOVE TO HIGHER GROUND IF FLOODING OCCURS. THIS RAIN WILL CONTINUE BUT BECOME MORE INTERMITTANT FOR THE NEXT SEVERAL HOURS. LIS&TEN TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Jul 3, 12:07 PM EDT, 4 hours 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1205 PM EDT MON JUL 03 1989 WIDESPREAD RAIN WITH EMBEDDED HEAVY SHOWERS WAS OCCURRING OVER MUCH OF THE NORTHERN TWO THIRDS OF GEORGIA AT MIDDAY. THE HEAVIEST RAIN WAS INSIDE A 20 MILE BAND THAT EXTENDED FROM LAKE LANIER TO COLUMBUS. SINCE 8 AM... OVER 3 INCHES OF RAIN HAS FALLEN AT THE WEATHER SERVICE OFFICE IN COLUMBUS... WITH 1.37 AT HARTSFIELD INTERNATIONAL AIRPORT IN ATLANTA. ELSEWHERE... AMOUNT AVERAGED BETWEEN 1/2 TO 1 INCH. STREET FLOODING AND MINOR FLOODING OF POOR DRAINAGE AREAS IS POSSIBLE... ESPECIALLY IN URBAN AREAS. MOTORIST ARE ADVISED TO BE SLOW DOWN. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO AN0D TELEVISION STATIONS FOR LATER STATEMENTS.
Special weather statement, Jul 3, 12:54 PM EDT, 4 hours 12 minutes before
URBAN AND SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1255 PM EDT MON JUL 03 1989 BETWEEN 8 AM AND NOON...1 TO 2 INCHES OF RAIN HAD FALLEN ACROSS THE ATLANTA METRO AREA. RADAR SHOWED A LARGE AREA OF HEAVY RAIN BETWEEN MACON AND COLUMBUS...BUT MOSTLY LIGHT RAIN WAS FALLING IN THE VICINITY OF ATLANTA AT 1230 PM. SINCE 8 AM...ATLANTA REGIONAL HOSPITAL IN DE KALB COUNTY HAS REPORTED TWO INCHES OF RAIN...AND SOME FLOODING OF STREETS AND LOW LYING AREAS HAS OCCURRED IN DE KALB COUNTY. AT 1245 PM...PEACHTREE CREEK WAS AT 10.1 FEET AND RISING STEADILY. A CREST OF BETWEEN 12 AND 13 FEET IS EXPECTED BETWEEN 3 AND 5 PM THIS AFTERNOON. HOWEVER...IF MORE HEAVY RAIN OCCURS...THE ACzTUAL CREST MAY BE MUCH HIGHER. MOTORISTS ARE URGED TO USE CAUTION WHILE DRIVING THROUGH FLOOD PRONE AREAS...AND ALLOW EXTRA TIME TO REACH THEIR DESTINATIONS.
Special weather statement, Jul 3, 2:19 PM EDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 215 PM EDT MON JUL 3 1989 .....SEVERE THUNDERSTORM WARNING FOR BIBB COUNTY EXPIRED.... THE SEVERE THUNDERSTORM WARNING FOR BIBB COUNTY HAS EXPIRED AND THE THUNDERSTORM THAT CAUSED THE WIND DAMAGE IN CRAWFORD COUNTY HAS WEAKENED AND MOVED NORTHEAST INTO JONES COUNTY. AT 210 PM EDT WEATHER SERVICE RADAR SHOWED A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS COVERING MUCH OF CENTRAL GEORGIA. THUNDERSTORMS WITH HEAVY RAIN EXTENDED ACROSS WEST BALDWIN...THROUGH BIBB...PEACH... AND HOUSTON COUNTIES INTO SOUTHWEST GEORGIA. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MPH. HEAVY RAIN HAS ALREADY OCCURRED OVER PARTS OF BIBB COUNTY WITH MORE HEAVY RAIN EXPECTED DURING THE AFTERNOON. STREET FLOODING ALONG WITH FLOODING OF LOW AREAS AND AREAS SUBJECT FOR FLOODING IS LIKELY IN BIBB AND ADJACENT COUNTIES.
Local storm report, Jul 3, 4:06 PM EDT, 1 hour before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE MACON GA 400 PM EDT MON JUL 3 1989 COUNTY..... CRAWFORD SOURCE..... CRAWFORD COUNTY SHERIFF TIME....... 1245 PM EDT JUL 3, 1989 LOCATION... NEAR ROBERTA TYPE STORM. SEVERE THUNDERSTORM. WIDTH...... NA LENGTH..... NA HAIL....... NONE REPORTED DAMAGE..... FEW TREES BROKEN OR UPROOTED TREES...... FEW BROKEN OR UPROOTED INJURES.... NONE COST....... UNKNOWN WATCHES.... NONE WARNINGS... NONE GEORGIA PROWER REPORTED MINOR POWER DISRUPTIONS AS THE THUNDERSTORM MOVED ACROSS BIBB COUNTY BETWEEN 1 AND 2 PM EDT.
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.