Alert archive / Georgia / Flash Flood Warnings in 1990
Flash Flood Warning 44, NWS Atlanta, GA
NWS Atlanta, GA issued this flash flood warning at Mar 17, 1990, 12:30 AM EST for Cobb County, Douglas County, Georgia. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 1990, 12:30 AM EST (05:30 UTC)
- Expired
- Mar 17, 1990, 6:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
Counties Cobb County, GA, Douglas County, GA
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
Athens Municipal, GA (KAHN), launched 00:00Z, 5.5 hours before the alert went out and 127 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
- 60 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 428 m²/s²
- 0-3 km storm-relative helicity
- 525 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KATL 170532
FFWATL
GAC067-089-097-121-171100-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ATLANTA GA
1230 AM EST SAT MAR 17 1990
THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 600 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHWEST GEORGIA
...COBB...DEKALB...DOUGLAS...FULTON
THIS WARNING IS TO EXTEND THE FLASH FLOOD WARNING FOR THE ATLANTA
METRO AREA.
AT 1220 AM EST... THE STAGE ON PEACHTREE CREEK AT NORTHSIDE DRIVE WAS
17.9 FEET AND RISING STEADILY. MODERATE RAIN HAS BEEN CONTINUING IN
THE ATLANTA AREA AND A CREST OF 19 TO 20 FEET IS FORECAST ON PEACHTREE
CREEK DURING THE EARLY MORNING HOURS. FLOOD STAGE AT NORTHSIDE DRIVE IS
17 FEET AND THIS CREST WILL CAUSE FLOODING OF THE BOBBY JONES
GOLF COURSE AS WELL AS WOODWARD WAY AND OTHER LOW LYING AREAS NEAR
PEACHTREE CREEK. WATER WILL SOON ENTER SOME HOMES ON HANOVER WEST
DRIVE...WEST NANCY CREEK ROAD...ARMAND DRIVE...AND PEACHTREE BATTLE.
WATER MAY REACH HOMES ON BISCAYNE ROAD...RIDGE VALLEY ROAD...
AND PIEDMONT ROAD AS WELL AS COLONIAL APARTMENTS. TAKE ACTION TO
PROTECT PROPERTY NOW.
FLOODING IS ALSO OCCURRING ALONG THE CHATTAHOOCHEE RIVER... SOPE
CREEK... SWEETWATER CREEK... AND NANCY CREEK IN THE ATLANTA AREA
AS WELL AS MANY SMALLER CREEKS AND STREAMS. SEE RIVER FLOOD WARNINGS
FOR SPECIFIC FORECASTS ON THE CHATTAHOOCHEE RIVER AND SWEETWATER
CREEK.
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 16, 9:44 PM EST, 2 hours 46 minutes before
GAZ006-170400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 945 PM EST FRI MAR 16 1990 ...TORNADO WATCH NUMBER 92 COVERS ALL OF CENTRAL GEORGIA UNTIL 4 AM EST SATURDAY MAR 17... AT 940 PM THUNDERSTORMS HAD AGAIN BECOME STRONGER AND WERE INTENSIFYING TO THE WEST OF THE CENTRAL GEORGIA AREA. THEY WERE MOVING FROM NEAR MACON AND TAYLOR COUNTY TOWARD PEACH HOUSTON AND CRAWFORD COUNTY. SEVERE THUNDERSTORM WARNINGS MAY BE NEEDED WIT H THESE STORMS VERY SOON. STAY TUNED T
Special weather statement, Mar 16, 9:54 PM EST, 2 hours 36 minutes before
GAZ002-004-161730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 950 PM EST FRI MAR 16 1990 ...TORNADO WATCH NUMBER 92 IS IN EFFECT UNTIL 4 AM SATURDAY FOR THE NORTHEAST GEORGIA COUNTIES OF CLARKE...ELBERT...MADISON...OCONEE... OGLETHORPE...MORGAN...GREENE AND TALIAFERRO... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHEAST GEORGIA TONIGHT AND SATURDAY... AT 945 PM EST THE ATHENS RADAR INDICATED A CLUSTER OF THUNDERSTORMS IN WESTCENTRAL GEORGIA BETWEEN COLUMBUS AND MACON. THE STORMS WERE MOVING EAST AT NEAR 45 MILES AN HOUR. PERSONS IN THE NORTHEAST GEORGIA CITIES OF ATHENS...MADISON...ELBERTON AND SURROUNDING AREAS SHOULD KEEP ALERT UNTIL THIS SIGNIFICANT WEATHER EVENT IS OVER. KEEP TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER UPDATES.
Local storm report, Mar 16, 11:06 PM EST, 1 hour 24 minutes before
LOCAL STORM REPORT...CORRECTION TO TIME...
NATIONAL WEATHER SERVICE ATHENS GA
850 PM EST FRI MAR 16 1900
COUNTY........ NEWTON
SOURCE........ COVINGTON SHERIFFS DEPT
TIME.......... APPROX 700 PM EST
LOCATION...... COUNTY WIDE
TYPE STORM.... SEVERE THUNDERSTORM/TORNADO
HAIL..........
DAMAGE........ POWER OUT TO OVER HALF THE COUNTY...NUMEROUS TREES DOWN..
AT ONE POINT "OVER A MILE OF CONTINOUS TREES ACROSS ROAD"
INJURIES...... NONE AT THIS TIMELocal storm report, Mar 16, 11:08 PM EST, 1 hour 22 minutes before
LOCAL STORM REPORT...CORRECTION TO TIME... NATIONAL WEATHER SERVICE ATHENS GA 850 PM EST FRI MAR 16 1900 COUNTY........ WALTON SOURCE........ WALTON CO SHERIFFS DEPT TIME.......... APPROX 700 PM EST LOCATION...... COUNTY WIDE TYPE STORM.... SEVERE THUNDERSTORM/TORNADO HAIL.......... DAMAGE........ NUMEROUS TREES DOWN AND POWER OUTAGES INJURIES...... NONE AT THIS TIME
Special weather statement, Mar 16, 11:25 PM EST, 1 hour 5 minutes before
GAZ002-004-161730- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE ATHENS GA 1125 PM EST FRI MAR 16 1990 ...TORNADO WATCH NUMBER 92 CONTINUES IN EFFECT UNTIL 4 AM SATURDAY FOR THE NORTHEAST GEORGIA COUNTIES OF CLARKE...ELBERT...MADISON...OCONEE... OGLETHORPE...MORGAN...GREENE AND TALIAFERRO... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR NORTHEAST GEORGIA TONIGHT AND SATURDAY... AT 1125 PM EST THE ATHENS RADAR INDICATED SCATTERED THUNDERSTORMS OVER NORTHEAST GEORGIA. MOST OF THE THUNDERSTORMS WERE SCATTERED FROM NEAR ROYSTON...SOUTH...TO NEAR CRAWFORDVILLE AND WERE MOVING NORTHEAST AT 50 MILES AN HOUR. PERSONS IN THE NORTHEAST GEORGIA CITIES OF ATHENS...MADISON...ELBERTON AND SURROUNDING AREAS SHOULD KEEP ALERT FOR POSSIBLE SEVERE WEATHER AND BE PREPARED TO TAKE SAFETY PRECAUTIONS SHOULD A WARNING BE ISSUED. KEEP TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. ELSEWHERE...RAIN AND SCATTERED THUNDERSTORMS EXTENDED FROM CENTRAL ALABAMA...ACROSS GEORGIA INTO SOUTHEAST TENNESSEE AND THE WESTERN CAROLINAS. MOVEMENT WAS NORTHEAST AT 50 MILES AN HOUR.
Special weather statement, Mar 17, 12:06 AM EST, 24 minutes before
GAZ006-170400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 1205 AM EST SAT MAR 17 1990 ...TORNADO WATCH NUMBER 92 IN EFFECT UNTIL 4 AM FOR A LARGE PART OF GEORGIA...INCLUDING ALL OF CENTRAL GEORGIA. ...FLASH FLOOD WATCH FOR A LARGE PART OF NORTH AND CENTRAL GEORGIA THROUGH SATURDAY. AT 1205 AM RADAR SHOWED A LARGE AREA OF RAIN AND THUNDERSTORMS OVER MUCH OF NORTH AND WEST CENTRAL GEORGIA. STRONGEST STORMS WERE IN A BAND FROM SOUTHEAST OF ATLANTA TO COLUMBUS AND CONTINUING SOUTHWEST INTO ALABAMA. STORMS WERE MOVING NORTHEAST AT 40 MPH. THESE STORMS WILL BE ACCOMPANIED BY STRONG GUSTY WINDS AND BRIEF BUT VERY HEAVY RAIN. DANGEROUS LIGHTNING WILL OCCUR IN THE LARGER STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 7:06 PM EST | Tornado Warning | FFC | Morgan, Oconee | 69 min |
| Mar 16, 7:18 PM EST | Severe Thunderstorm Warning | FFC | Greene, Oconee, Oglethorpe | 57 min |
| Mar 16, 7:18 PM EST | Severe Thunderstorm Warning | FFC | Clarke, Jackson, Madison | 57 min |
| Mar 16, 7:18 PM EST | Severe Thunderstorm Warning | FFC | Banks, Franklin | 57 min |
| Mar 16, 7:40 PM EST | Tornado Warning | FFC | Clarke, Madison, Oglethorpe | 35 min |
| Mar 16, 7:53 PM EST | Severe Thunderstorm Warning | FFC | Elbert, Hart | 67 min |
| Mar 16, 7:59 PM EST | Severe Thunderstorm Warning | FFC | Wilkes | 61 min |
| Mar 16, 8:34 PM EST | Severe Thunderstorm Warning | FFC | Lincoln | 41 min |
| Mar 16, 8:59 PM EST | Severe Thunderstorm Warning | FFC | Lincoln | 61 min |
| Mar 16, 9:44 PM EST | Severe Thunderstorm Warning | FFC | Crawford, Monroe, Peach | 61 min |
| Mar 16, 9:44 PM EST | Severe Thunderstorm Warning | FFC | Jasper | 61 min |
| Mar 16, 9:52 PM EST | Flash Flood Warning | FFC | Polk | 8 hr |
| Mar 16, 9:57 PM EST | Flash Flood Warning | FFC | Cobb, Douglas, Fulton | 5 hr |
| Mar 16, 9:57 PM EST | Flash Flood Warning | FFC | DeKalb | 5 hr |
| Mar 16, 10:03 PM EST | Severe Thunderstorm Warning | FFC | Bibb, Jones | 57 min |
| Mar 17, 12:30 AM EST | Flash Flood Warning | FFC | DeKalb, Fulton | 6 hr |
| Mar 17, 1:59 AM EST | Flash Flood Warning | FFC | Henry, Rockdale | 4 hr |
| Mar 17, 1:59 AM EST | Flash Flood Warning | FFC | Clayton, Fayette, Spalding | 4 hr |
| Mar 17, 1:59 AM EST | Flash Flood Warning | FFC | Lamar, Pike, Upson | 4 hr |
| Mar 17, 1:59 AM EST | Flash Flood Warning | FFC | Butts | 4 hr |
| Mar 17, 2:26 AM EST | Severe Thunderstorm Warning | FFC | Crawford, Monroe | 64 min |
| Mar 17, 5:45 AM EST | Flash Flood Warning | FFC | Cobb, Douglas, Fulton | 6 hr |
| Mar 17, 5:45 AM EST | Flash Flood Warning | FFC | DeKalb | 6 hr |
| Mar 17, 6:08 AM EST | Flash Flood Warning | FFC | Butts, Clayton, Fayette, Henry, Lamar, Pike and 1 more | 4 hr |
| Mar 17, 6:08 AM EST | Flash Flood Warning | FFC | Upson | 4 hr |
| Mar 17, 6:08 AM EST | Flash Flood Warning | FFC | Rockdale | 4 hr |
| Mar 17, 6:37 AM EST | Flash Flood Warning | FFC | Fannin | 5 hr |
| Mar 17, 7:21 AM EST | Flash Flood Warning | FFC | White | 3 hr |
| Mar 17, 7:35 AM EST | Flash Flood Warning | FFC | Jasper, Jones, Monroe | 3 hr |
| Mar 17, 10:54 AM EST | Flash Flood Warning | FFC | Jones, Monroe | 3 hr |
Nearby
Flash Flood Warnings in Georgia, 1990Every flash flood warning in 1990
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.