Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 172, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 27, 1990, 12:42 PM EDT for Washington County, Georgia. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1990, 12:42 PM EDT (16:42 UTC)
- Expired
- May 27, 1990, 1:30 PM EDT
- In force
- 48 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Washington 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 12:00Z, 4.7 hours before the alert went out and 119 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
- 881 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 968 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KAGS 281650 COR SVRAGS GAC303-271730- BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION...DAY AND DATE SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUGUSTA GA 1242 PM EDT MON MAY 28 1990 THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 130 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL GEORGIA ...SOUTHERN WASHINGTON COUNTY AT 1240 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM IN SOUTHERN WASHINGTON COUNTY GEORGIA SOUTHEAST OF TANNILLE. THIS STORM WAS MOVING EAST AT 35 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 27, 8:15 AM EDT, 4 hours 27 minutes before
GAZ001>002-271400 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 815 AM EDT SUN MAY 27 1990 ...THUNDERSTORMS MOVING ACROSS EXTREME NORTH GEORGIA... AT 810 AM EDT... STRONG THUNDERSTORMS WERE MOVING ACROSS EXTREME NORTH GEORGIA... GENERALLY NORTH OF A LINE FROM ROME TO DAWSONVILLE. THE STRONGEST THUNDERSTORMS WERE LOCATED NEAR TRION AND JUST NORTH OF CALHOUN. THESE THUNDERSTORMS LIKELY CONTAIN SMALL HAIL AS WELL AS PRODUCING VERY HEAVY RAIN... STRONG GUSTY WINDS... AND DANGEROUS LIGHTNING STRIKES. RESIDENTS OF EXTREME NORTH GEORGIA CAN EXPECT THUNDERSTORM ACTIVITY TO CONTINUE AS OTHER STRONG THUNDERSTORMS IN NORTH ALABAMA WILL BE MOVING INTO NORTH GEORGIA DURING THE NEXT FEW HOURS. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.
Special weather statement, May 27, 10:20 AM EDT, 2 hours 22 minutes before
GAZ002-004-1715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1017 AM EDT SUN MAY 27 1990 SCATTERED THUNDERSTORMS...SOME WITH HEAVY RAINFALL...HAVE DEVELOPED OVER NORTH GEORIGA THIS MORNING. THESE THUNDERSTORMS ARE MOVING EAST AT ABOUT 25 MILES AN HOUR. PERSONS IN NORTHEAST GEORGIA NORTH OF A LAWRENCEVILLE TO ELBERTON LINE SHOULD BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS FOR THE NEXT SEVERAL HOURS...ESPECIALLY THOSE PARTICIPATING IN OUTDOOR ACTIVITIES AND BOATERS ON AREA LAKES. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY DOWNPOURS... DANGEROUS LIGHTNING...BRIEF GUSTY SURFACE WINDS AND POSSIBLE SMALL HAIL.
Special weather statement, May 27, 12:39 PM EDT, 3 minutes before
GAZ003-271800 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 1235 PM EDT SUN MAY 27 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY ACROSS NORTH GEORGIA... AT 1230 PM EDT...WEATHER SERVICE RADAR SHOWED RAPIDLY DEVELOPING THUNDERSTORMS NEAR DOWNTOWN ATLANTA AND 10 MILES WEST OF DALLAS GEORGIA NEAR THE PAULDING-HARALSON COUNTY LINE. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL AS WELL AS PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS... SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL AS WELL AS AND DANGEROUS LIGHTNING STRIKES. IN URBAN AREAS SOME LOCAL STREET FLOODING MAY OCCUR. RESIDENTS OF EXTREME NORTH GEORGIA CAN, EXPECT THUNDERSTORMS TO DEVELOP THE REMAINDER OF THE AFTERNOON AND EVENING AS THE AIR OVER GEORGIA IS VERY WARM AND UNSTABLE. PEOPLE OUTDOORS ENJOYING THE MEMORIAL DAY WEEKEND SHOULD REMAIN ALERT TO THE CHANGING WEATHER.
Special weather statement, May 27, 12:42 PM EDT, 0 minutes before
GAZ002-004-271845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1241 PM EDT SUN MAY 27 1990 SCATTERED THUNDERSTORMS...SOME WITH HEAVY RAINFALL...WERE DEVELOPING RAPIDLY OVER PARTS OF NORTHEAST GEORGIA. THE THUNDERSTORMS WITH THE HEAVIEST RAINFALL WERE IN THE ATLANTA METRO AREA AND WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. OTHER THUNDERSTORMS WERE NOTED OVER LAKE LANIER AND WERE DEVELOPING JUST SOUTH OF ATHENS. PERSONS IN NORTHEAST GEORGIA...ESPECIALLY THOSE PARTICIPATING IN OUTDOOR ACTIVITIES AND BOATERS ON AREA LAKES...SHOULD REMAIN ON THE ALERT FOR THESE THUNDERSTORMS. BRIEF HEAVY DOWNPOURS, DANGEROUSE LIGHTNING, BRIEF GUSTY SURFACE WINDS AND SMALL HAIL ARE POSSIBLE/ WITH THESE THUNDERSTORMS AS THEY MOVE THROUGH.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 1:00 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 45 min |
| May 27, 2:03 PM EDT | Severe Thunderstorm Warning | FFC | Chattooga | 27 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; the sounding from the Mesonet's radiosonde archive.