Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 174, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 27, 1990, 2:03 PM EDT for Chattooga County, Georgia. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- May 27, 1990, 2:03 PM EDT (18:03 UTC)
- Expired
- May 27, 1990, 2:30 PM EDT
- In force
- 27 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Chattooga 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, 6.1 hours before the alert went out and 197 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 KATL 271805 RRA SVRATL GAC055-271830- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 203 PM EDT SUN MAY 27 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 230 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...CHATTOOGA COUNTY AT 200 PM EDT RADAR INDICATED A THUNDERSTORM HAD MOVED FROM ALABAMA INTO WESTERN CHATOOGA COUNTY. AS THIS STORM PASSED OVER MENLO HIGH WINDS AND HAIL WERE REPORTED BY THE PUBLIC. THIS THUNDERSTORM SHOULD MOVE ACROSS SUMMERVILLE BEFORE 230 PM EDT. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDIRNG. 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.
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, 5 hours 48 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, 3 hours 43 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, 1 hour 24 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, 1 hour 21 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.
Special weather statement, May 27, 12:43 PM EDT, 1 hour 20 minutes before
GAZ003-271800 SPECIAL WEATHER STATEMENT...CORRECTED 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... AND DANGEROUS LIGHTNING STRIKES. IN URBAN AREAS SOME LOCAL STREET FLOODING MAY OCCUR. RESIDENTS OF NORTH GEORGIA CAN EXPECT THUNDERSTORMS TO DEVELOP THE REMAINDER OF THE 1AFTERNOON 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.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 12:42 PM EDT | Severe Thunderstorm Warning | FFC | Washington | 48 min |
| May 27, 1:00 PM EDT | Severe Thunderstorm Warning | FFC | Cobb, Paulding | 45 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.