Alert archive / Georgia / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 9, NWS Atlanta, GA

February 12, 1993Baldwin County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Feb 12, 1993, 2:20 AM EST for Baldwin County, Georgia. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Feb 12, 1993, 2:20 AM EST (07:20 UTC)
Expired
Feb 12, 1993, 2:45 AM EST
In force
25 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Baldwin County, GA

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 7.3 hours before the alert went out and 98 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.

Skew-T log-pSkew-T log-p diagram, Athens Municipal, GA at 00:00Z on 1993-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Athens Municipal, GA at 00:00Z on 1993-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 327 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
115 J/kg
Mixed-layer CIN
-124 J/kg
Mixed-layer LCL
577 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
327 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMCN 120721
SVRMCN
GAC009-120800-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
220 AM EST FRI FEB 12 1993
 
THE NATIONAL WEATHER SERVICE IN MACON GA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  300 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL GEORGIA
 
   ...BALDWIN COUNTY
 
AT 219 AM RADAR SHOWED A SEVERE THUNDERSTORM NORTHWEST OF
MILLEGEVILLE...MOVING EAST AT 35 MPH. THIS STORM SHOULD PASS
NEAR OR JUST NORTH OF MILLEGEVILLE TO NEAR LAKE SINCLAIR.
 
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 EMERbGENCY 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, Feb 11, 11:10 PM EST, 3 hours 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATHENS GA
1110 PM EST THU FEB 11 1993

...DENSE FOG FORMING ACROSS NORTHEAST GEORGIA...

DENSE FOG CONTINUES TO FORM ACROSS NORTHEAST GEORGIA. STATE PATROL
OFFICES REPORT PATCHY DENSE FOG IN ALL SECTIONS OF NORTHEAST GEORGIA.
THE FOG IS REDUCING THE VISIBILITY TO NEAR ZERO IN MANY PLACES. THE
DENSE FOG WILL REMAIN THROUGHOUT THE NIGHT. THE VISIBILITY WILL BEGIN
TO INCREASE AFTER SUNRISE FRIDAY MORNING.

MOTORIST ARE URGED TO DRIVE WITH CAUTION AND ALLOW EXTRA TIME TO REACH
THEIR DESTIONATION.
Special weather statement, Feb 11, 11:45 PM EST, 2 hours 35 minutes before
GAZ005-120600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
1145 PM EST THU FEB 11 1993

...THUNDERSTORMS ENTERING WESTCENTRAL GEORGIA...

AT 1145 PM EST WEATHER RADAR IN ATLANTA INDICATED ISOLATED THUNDERSTORMS
CROSSING THE ALABAMA BORDER INTO WESTCENTRAL GEORGIA. ONE STRONG
STORM NEAR LA GRANGE MAY PRODUCE SMALL HAIL AS IT MOVES NORTHEAST
THROUGH TROUP AND MERIWETHER COUNTIES DURING THE NEXT HOUR.

GUSTY WINDS AND LOCALLY HEAVdY RAIN WILL ALSO ACCOMPANY THIS STORM
AS IT MOVES NORTHEAST AT 30 MPH.
Special weather statement, Feb 12, 1:01 AM EST, 1 hour 19 minutes before
GAZ003-120700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ATLANTA GA
100 AM EST FRI FEB 12 1993

...THUNDERSTORMS MOVING ACROSS WEST CENTRAL GEORGIA...

AT 100 AM RADAR INDICATED SEVERAL THUNDERSTORMS MOVING ACROSS
WEST CENTRAL GEORGIA. THE STRONGEST CELLS WERE IN WEST PIKE COUNTY
AND MOVING NORTHEAST AROUND 30 MPH. THEY WILL BE ENTERING SOUTH SPALDING
...LAMAR...UPSON AND NORTH UPSON COUNTIES DURING THE NEXT HOUR.

GUSTY WINDS...LOCALLY HEAVY RAIN AND SOME HAIL MAY ACCOMPANY
THESE STORMS AS THEY MOVE ACROSS THESE COUNTIES.

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 12, 1:06 AM ESTSevere Thunderstorm WarningFFCLamar, Pike54 min
Feb 12, 1:16 AM ESTSevere Thunderstorm WarningFFCButts29 min
Feb 12, 1:26 AM ESTSevere Thunderstorm WarningFFCMonroe64 min
Feb 12, 1:39 AM ESTSevere Thunderstorm WarningFFCJasper66 min
Feb 12, 2:02 AM ESTSevere Thunderstorm WarningFFCJones43 min
Feb 12, 2:09 AM ESTSevere Thunderstorm WarningFFCPutnam36 min
Feb 12, 2:14 AM ESTSevere Thunderstorm WarningFFCGreene, Morgan46 min
Feb 12, 2:39 AM ESTSevere Thunderstorm WarningFFCGlascock, Hancock, Warren51 min
Feb 12, 2:52 AM ESTSevere Thunderstorm WarningFFCGreene, Oglethorpe, Taliaferro38 min
Feb 12, 3:43 AM ESTSevere Thunderstorm WarningFFCLincoln47 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1993Every severe thunderstorm warning in 1993

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.