Alert archive / Georgia / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 224, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Jul 10, 1990, 6:32 PM EDT for Fannin County, Georgia. It was in force for 28 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
- Jul 10, 1990, 6:32 PM EDT (22:32 UTC)
- Expired
- Jul 10, 1990, 7:00 PM EDT
- In force
- 28 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Fannin 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 |
|---|---|---|---|
| Jul 10, 6:40 PM EDT | Thunderstorm Wind 0 | Fannin, 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, 10.5 hours before the alert went out and 138 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
- 794 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1303 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -15 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 KATL 102233 SVRATL GAC111-102300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ATLANTA GA 632 PM EDT TUE JUL 10 1990 THE NATIONAL WEATHER SERVICE IN ATLANTA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST GEORGIA ...FANNIN COUNTY AT 630 PM EDT RADAR SHOWED A SEVERE THUNDERSTORM JUST NORTHWEST OF BLUE RIDGE. THIS STORM WAS DRIFTING EAST. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS U NTIL THE STORM HAS PASSED.
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, Jul 10, 4:18 PM EDT, 2 hours 14 minutes before
GAZ006-008-009-DDHHMM- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 415 PM EDT TUE JUL 10 1990 AT 410 PM WEATHER SERVICE RADAR IN MACON SHOWED STRONG THUNDERSTORMS INCREASING OVER PARTS OF CENTRAL GEORGIA. STRONGEST STORMS WERE SOUTH OF DUBLIN AND SOUTHEAST OF EASTMAN. LITTLE MOVEMENT WAS NOTED. THUNDERSTORMS WILL CONTINUE TO INCREASE OVER THE CENTRAL PART OF THE STATE THE REST OF THIS AFTERNOON AND INTO THE EVENING HOURS. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAIN WILL OCCUR WITH THESE STORMS. WITH LITTLE OR NO STORM MOVEMENT SOME AREAS WILL RECEIVE LARGE AMOUNTS OF RAIN IN A SHORT TIME. STREET FLOODING AND FLOODING OF LOW LYING POOR DRAINAG]E AREAS SHOULD BE EXPECTED WITH THE LARGER STORMS.
Special weather statement, Jul 10, 4:47 PM EDT, 1 hour 45 minutes before
GAZALL-110800-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
450 PM EDT TUE JUL 10 1990
...EXCESSIVE HEAT CONTINUING...
THE COMBINATION OF HIGH TEMPERATURES AND HUMIDITY PRODUCED HEAT INDEX
VALUES BETWEEN 100 AND 112 DEGREES THIS AFTERNOON. THIS TREND IS EXPECTED
TO CONTINUE ON WEDNESDAY OVER CENTRAL AND SOUTHERN SECTIONS WITH HEAT
INDEX VALUES IN THE 105 TO 110 RANGE.
THE LEVELS OF HEAT AND HUMIDITY PRODUCING THESE HIGH INDICES CAN BE
DANGEROUS TO THOSE WHO DO STRENUOUS EXERCISE OR WORK.
PEOPLE PLANNING TO WORK OR PLAY OUTSIDE ARE ADVISED TO TAKE IT EASY AND
EXERCISE CAUTION. TO HELP REDUCE HEAT RELATED PROBLEMS ASSOCIATED WITH
PROLONGED PHYSICAL ACTIVITY...STAY IN THE SHADE AS MUCH AS POSSIBLE...
DRESS IN LIGHTWEIGHT LIGHT-COLORED CLOTHING... AND DRINK PLENTY OF
WATER OR NON-ALCOHOLIC BEVERAGES EVEN IF YOU DO NOT FEEL THIRSTY.
ELDERLY PERSONS... YOUNG CHILDREN... CHRONIC INVALIDS AND THOSE ON
CERTAIN MEDICATIONA ALONG WITH PERSONS WITH WEIGHT AND ALCOHOL PROBLEMS
ARE PARTICULARLY SUSCEPTIBLE TO HEAT REACTIONS. THESE INDIVIDUALS SHOULD
BE WATCHED OR CHECKED ON PERIODICALLY TO SEE HOW THEY ARE DOING.Special weather statement, Jul 10, 4:54 PM EDT, 1 hour 38 minutes before
GAZ002-004-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 453 PM EDT TUE JUL 10 1990 AT 450 PM EDT A CLUSTER OF THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...HAD DEVELOPED OVER THE NORTH END OF LAKE HARTWELL. THESE STORMS WERE DRIFTING VERY SLOWLY SOUTH. PERSONS IN STEPHENS ...FRANKLIN AND HART COUNTIES OF NORTHEAST GEORGIA SHOULD BE ON THE ALERT FOR THE NEXT COUPLE OF HOURS FOR THREATENING WEATHER CONDITIONS ASSOCIATED WITH THESE STORMS. BRIEF HEAVY DOWNPOURS...BRIEF GUSTY SURFACE WINDS...DANGEROUSE FREQUENT CLOUD TO GROUND LIGHTNING AND POSSIBLY SMALL HAIL ARE POSSIBLE WITH THESE STORMS. BOATERS ESPECIALLY ON LAKE HARTWELL SHOULD USE EXTREME CAUTION.
Special weather statement, Jul 10, 6:05 PM EDT, 27 minutes before
GAZ001-102300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATLANTA GA 604 PM EDT TUE JUL 10 1990 ...STRONG THUNDERSTORMS IN EXTREME NORTHWEST GEOREGIA... SCATTERED THUNDERSTORMS HAVE DEVELOPED OVER EXTREME NORTHWEST GEORGIA LATE THIS AFTERNOON. AT 555 PM EDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM JUST WEST OF CHATSWORTH GEORGIA SOUTHWARD THROUGH CALHOUN TO ABOUT 10 MILES EAST OF ROME. THIS LINE IS DRIFTING VERY SLOWLY TOWARD THE EAST. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...STRONG GUSTY WINDS...AND SMALL HAIL. ALSO INTENSE CLOUD TO GROUND LIGHTNING IS LIKELY. PERSONS IN EXTREME NORTHWEST GEORGIA SHOULD BE ON THE LOOKOUT FOR THESE STORMS AND FIND SHELTER AS THE STORMS APPROACH.
Special weather statement, Jul 10, 6:19 PM EDT, 13 minutes before
GAZ006-008-009-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 620 PM EDT TUE JUL 10 1990 AT 615 PM WEATHER SERVICE RADAR IN MACON SHOWED THUNDERSTORMS WIDELY SCATTERED OVER CENTRAL GEORGIA. ONE OF THE STRONGEST STORMS WAS OVER WARNER ROBINS WHERE MARBLE SIZE HAIL WAS REPORTED AT 610 PM. THUNDERSTORMS WILL CONTINUE TO INCREASE OVER THE CENTRAL PART OF THE STATE THE REST OF THIS AFTERNOON AND INTO THE EVENING HOURS. STRONG GUSTY WINDS...FREQUENT DEADLY LIGHTNING...AND VERY HEAVY RAIN WILL OCCUR WITH THESE STORMS. SMALL HAIL IS ALSO LIKELY. WITH LITTLE OR NO STORM MOVEMENT SOME AREAS WILL RECEIVE LARGE AMOUNTS OF RAIN IN A SHORT TIME. STREET FLOODING AND FLOODING OF LOW LYING POOR DRAINAGE AREAS SHOULD BE EXPECTED WITH THE LARGER STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 5:33 PM EDT | Severe Thunderstorm Warning | FFC | Catoosa | 57 min |
| Jul 10, 6:22 PM EDT | Severe Thunderstorm Warning | FFC | Houston | 48 min |
| Jul 10, 6:53 PM EDT | Severe Thunderstorm Warning | FFC | Crisp | 52 min |
| Jul 10, 7:11 PM EDT | Severe Thunderstorm Warning | FFC | Bartow, Paulding, Polk | 49 min |
| Jul 10, 7:22 PM EDT | Severe Thunderstorm Warning | FFC | Crawford | 48 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.