Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 171, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 21, 1990, 7:59 PM EDT for Emanuel County, Georgia. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 21, 1990, 7:59 PM EDT (23:59 UTC)
- Expired
- May 21, 1990, 8:45 PM EDT
- In force
- 46 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Emanuel County, GA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 8:00 PM EDT | Thunderstorm Wind 0 | Emanuel, GA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 12.0 hours before the alert went out and 177 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1302 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 37 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 KAGS 212359 SVRAGS GAC107-220045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUGUSTA GA 759 PM EDT MON MAY 21 1990 THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL GEORGIA ...SOUTHERN EMANUEL COUNTY AT 755 PM EDT NATIONAL WEATHER SERVICE RADAR DETECTED A SEVERE THUNDERSTORM OVER SOUTHERN EMANUEL COUNTY JUST WEST OF SILLMORE GEORGIA. THIS STORM WAS MOVING EAST AT 20 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
What forecasters said that day
The local office's own words before this severe thunderstorm 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, May 21, 2:19 PM EDT, 5 hours 40 minutes before
GAZ001>015-212000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 218 PM EDT MON MAY 21 1990 ...SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF CENTRAL AND SOUTHERN GEORGIA UNTIL 9 PM EDT... A LARGE AREA OF RAIN AND THUNDERSTORMS IN EASTERN AND SOUTHERN ALABAMA CONTINUES TO MOVE EAST NEAR 40 MPH. AT 210 PM...THE LEADING EDGE OF THE PRECIPITATION WAS LOCATED FROM 20 MILES WEST OF CHATTANOOGE TO NEAR TALLAPOOSA GEORGIA TO NEAR MONTGOMERY ALABAMA. THE STRONGEST STORMS WERE SHOWN 25 MILES WEST OF LAGRANGE TO NEAR MONTGOMERY. AT THIS TIME...THE MAJOR THREAT OF SEVERE WEATHER IN GEORGIA HAS SHIFTED TO THE CENTRAL AND SOUTHERN SECTIONS OF THE STATE. PERSONS THROUGHOUT ALL OF THE STATE...BUT ESPECIALLY IN THESE SECTIONS SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AND BE PREPARED TO TAKE QUICK ACTIONS IF NECESSARY. > AT ITS PRESENT SPEED...STRONG THUNDERSTORMS PRODUCING HEAVY RAIN...GUSTY WINDS...DANGER^OUS LIGHTNING...AND POSSIBLY SOME HAIL WILL ENTER HEARD...TROUP AND HARRIS COUNTIES BETWEEN 3 AND 4 PM.
Special weather statement, May 21, 2:33 PM EDT, 5 hours 26 minutes before
GAZ004-220100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 230 PM EDT MON MAY 21 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 295 IN EFFECT FOR GREENE...MORGAN AND TALIAFERRO COUNTIES IN NORTHEAST GEORGIA UNTIL 9 PM... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR GREENE...MORGAN AND TALIAFERRO COUNTIES IN NORTHEAST GEORGIA UNTIL 9 PM THIS EVENING. AN APPROACHING COOL FRONT COMBINED WITH THE MOIST UNSTABLE AIR OVER GEORGIA WILL PRODUCE SCATTERED THUNDERSTORMS OVER NORTH AND CENTRAL GEORGIA THIS EVENING...SOME OF THESE THUNDERSTORMS MAY BE SEVERE PRODUCING STRONG WIND GUST...DANGEROUS LIGHTNING...HEAVY DOWNPOURS OF RAIN AND POSSIBLE HAIL. PERSONS IN THE ABOVE NAMED COUNTIES SHOULD MONITOR WEATHER CONDITIONS CLOSELY THIS EVENING AND BE PREPARED TO TAKE QUICK ACTION IF NECESSARY.
Special weather statement, May 21, 2:53 PM EDT, 5 hours 6 minutes before
GAZ006-008-009-212040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 250 PM EDT MON MAY 21 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 295 IS IN EFFECT UNTIL 9 PM EDT FOR A LARGE PART OF MIDDLE GA... AT 245 PM NATIONAL WEATHER SERVICE RADARS LOCATED NUMEROUS THUNDERSTORMS IN SOUTHWEST GA NEAR SMITHVILLE IN SUMTER COUNTY TO NEAR ALBANY TO NEAR ASHBURN IN TURNER COUNTY. THUNDERSTORMS WERE MOVING EAST AT 25 MPH. HAIL...STRONG GUSTY WIND AND HEAVY RAINFALL SHOULD BE EXPECTED NEAR ANY OF THESE THUNDERSTORMS AS THEY PASS NEARBY.
Special weather statement, May 21, 5:09 PM EDT, 2 hours 50 minutes before
GAZ001>004-212230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 510 PM EDT MON MAY 21 1990 ...SEVERE THUNDERSTORM WATCH CONTINUES FOR PARTS OF CENTRAL AND SOUTHERN GEORGIA UNTIL 9 PM EDT... AT 455 PM...STRONG THUNDERSTORMS WERE SHOWN BETWEEN COLUMBUS...MACON AND ALBANY. SINCE THE MAIN THREAT OF SEVERE WEATHER HAS SHIFTED WELL INTO CENTRAL AND SOUTH GEORGIA...SEVERE THUNDERSTORM WATCH NUMBER 295 HAS BEEN CANCELLED FOR THE STATE NORTH OF A LINE FROM CRAWFORDVILLE IN TALIAFERRO COUNTY TO MANSFIELD IN NEWTON COUNTY TO LAKE JACKSON TO LAGRANGE. HOWEVERE...RAIN WITH THUNDERSTORMS MIXED IN WERE SHOWN IN NORTHWEST GEORGIA FROM BLAIRSVILLE TO JASPER TO JUST WEST OF ATLANTA TO LAGRANGE..AND SPREAD INTO EASTERN ALABAMA. SOME OF THE STORMS ARE STILL CAPABLE OF PRODUCING VERY HEAVY RAIN...GUSTY WINDS AND DANGEROUS LIGHTNING AS THEY MOVE EAST AT 30 MPH. > THIS WILL BE THE LAST STATEMENT ON THIS WEATHER SITUATION UNLESS CONDITIONS WARRANT.
Special weather statement, May 21, 5:46 PM EDT, 2 hours 13 minutes before
GAZ006-008-009-212340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 545 PM EDT MON MAY 21 1990 ...SEVERE THUNDERSTORM WATCH NUMBER 295 IS IN EFFECT UNTIL 9 PM EDT FOR A LARGE PART OF CENTRAL GA... ...SEVERE THUNDERSTORM WATCH NUMBER 298 IN IN EFFECT UNTIL 11 PM EDT FOR A LARGE PART OF SOUTH GA... AT 540 PM NATIONAL WEATHER SERVICE RADARS LOCATED NUMEROUS THUNDERSTORMS IN SOUTHCENTRAL AND SOUTH GEORGIA MOVING TO THE EAST AT AROUND 25 MPH. THUNDERSTORMS WERE NEAR MONTEZUMA AND OGLETHORPE IN MACON COUNTY AND IN SOUTHWEST GA NEAR ALBANY AND SYLVESTER. HAIL TO NEAR ONE HALF INCH HAS BEEN REPORTED WITH THESE THUNDERSTORMS. HAIL...STRONG GUSTY WIND AND HEAVY RAINFALL SHOULD BE EXPECTED NEAR ANY OF THESE THUNDERSTORMS AS THEY PASS NEARBY.
Special weather statement, May 21, 6:32 PM EDT, 1 hour 27 minutes before
GAZ005-008-011-ALZ012-212330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 632 PM EDT MON MAY 21 1990 THE SEVERE THUNDERSTORM WATCH NUMBER 295 IS NO LONGER IN EFFECT FOR RUSSELL COUNTY ALABAMA AND FOR ALL OF WEST CENTRAL GEORGIA. THE STRONGEST THUNDERSTORMS HAVE MOVED EAST OF THE CLEARED AREA. HOWEVER SEVERE THUNDERSTORM WATCH NUMBER 298 FOR ALL OF SOUTHWEST AND SOUTH CENTRAL GEORGIA REMAINS IN EFECT UNTIL 11 PM EDT. SEVERAL STRONG THUNDERSTORMS PERSIST IN SOUTHEAST ALABAMA NEAR FLORALA. THIS STORM WAS MOVING EAST AT 25 MILES AN HOUR. LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 6:23 PM EDT | Tornado Warning | FFC | Dooly | 52 min |
| May 21, 6:40 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 35 min |
| May 21, 6:44 PM EDT | Severe Thunderstorm Warning | FFC | Irwin, Turner | 46 min |
| May 21, 6:51 PM EDT | Severe Thunderstorm Warning | FFC | Wilcox | 39 min |
| May 21, 7:07 PM EDT | Severe Thunderstorm Warning | FFC | Dodge | 53 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.