Alert archive / Georgia / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 30, NWS Columbia, SC

March 17, 1996McDuffie County, Georgia

NWS Columbia, SC issued this severe thunderstorm warning at Mar 17, 1996, 6:31 AM EST for McDuffie County, Georgia. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 17, 1996, 6:31 AM EST (11:31 UTC)
Expired
Mar 17, 1996, 7:00 AM EST
In force
29 min
Issued by
NWS Columbia, SC
Area
Whole counties

County McDuffie County, GA

The radar

The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 11:35 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 11.5 hours before the alert went out and 188 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, Peachtre/Fal Fld, GA at 00:00Z on 1996-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 477 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, Peachtre/Fal Fld, GA at 00:00Z on 1996-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897117136156Sfc1 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
477 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
888 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCAE 171131 RRA
SVRCAE
GAC189-171200-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
631 AM EST SUN MAR 17 1996
 
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN  GEORGIA
 
   ...SOUTHERN MCDUFFIE COUNTY
 
AT 626 AM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
IN GLASCOCK AND WARREN COUNTIES. THE STORM IS MOVING EAST-NORTHEAST AT
40 MPH AND WILL MOVE INTO SOUTHERN MCDUFFIE BY 645AM. THIS SEVERE
THUNDERSTORM WILL LIKELY PASS CLOSE TO DEARING AND HARLEM.
 
LARGE HAIL HAS BEEN REPORTED WITH THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE
MOBILE HOMES.  FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR.  DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
AWP
 
&

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

Local storm report, Mar 17, 12:34 AM EST, 5 hours 57 minutes before
STORM REPORT CORRECTED...CORR
NATIONAL WEATHER SERVICE COLUMBIA, SC
1234 AM EST SUN MAR 17 1996

TIME (EST) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....
1035 PM    CASSATT                   SC   0.75 INCH HAIL
03/16/96   KERSHAW                        KERSHAW COUNTY SHERIFF
                                          DISPATCH

1036 PM    2 NE CAMDEN               SC   1.75 INCH HAIL
03/16/96   KERSHAW                        WEATHER NET HAM RADIO
                                          OPERATOR

1045 PM    RIDGEWAY                  SC   0.75 INCH HAIL
03/16/96   FAIRFIELD                      WEATHER SPOTTER

LCV

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 17, 6:50 AM ESTSevere Thunderstorm WarningCAEColumbia, Richmond25 min
Mar 17, 9:16 AM ESTSevere Thunderstorm WarningCAEBurke44 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.