Alert archive / South Carolina / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 71, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 4, 1993, 4:08 PM EDT for Barnwell County, South Carolina. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- May 4, 1993, 4:08 PM EDT (20:08 UTC)
- Expired
- May 4, 1993, 5:15 PM EDT
- In force
- 67 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Barnwell County, SC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 8.1 hours before the alert went out and 140 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
- 458 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 4, 1:51 PM EDT, 2 hours 17 minutes before
GAZ006-008-009-041900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 150 PM EDT TUE MAY 4 1993 ...THUNDERSTORMS WERE DEVELOPING IN CENTRAL GEORGIA... AT 145 PM MACON RADAR SHOWED THUNDERSTORMS EAST OF MACON NEAR JEFFERSONVILLE AND COCHRANE AND EXTENDING SOUTH TO ABBEVILLE... ROCHELLE...AND EASTMAN. MOVEMENT WAS NORTHEAST AT 30 MPH. DANGEROUS LIGHTNING AND HEAVY RAIN WAS REPORTED WITH THESE THUNDERSTORMS BY THE SHERIFF OFFICES. STRONG GUSTY WINDS CAN ALSO BE EXPECTED. IF YOU ARE IN THE AREA OF THUNDERSTORMS GO INDOORS AND USE LIGHTNING SAFETY PRECAUTIONS.
Special weather statement, May 4, 3:14 PM EDT, 54 minutes before
GAZ002-004-042015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 313 PM EDT TUE MAY 4 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PARTS OF EASTERN GEORGIA UNTIL 9 PM EDT THIS EVENING. THIS WATCH INCLUDES THE FOLLOWING COUNTIES IN NORTHEAST GEORGIA. CLARKE..HART..OCONEE..ELBERT..OGLETHORPE..FRANKLIN..MADISON..GREENE.. MORGAN..AND TALIAFERRO. PERSONS IN THE ABOVE MENTIONED COUNTIES OF NORTHEAST GEORGIA SHOULD BE ALERT FOR< POSSIBLE SEVERE WEATHER THIS AFTERNOON AND EVENING AND STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION.
Special weather statement, May 4, 3:34 PM EDT, 34 minutes before
GAZ008-012-042130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 333 PM EDT TUE MAY 4 1993 ...SEVERE THUNDERSTORM WATCH FOR TIFT AND WORTH COUNTIES IN SOUTHCENTRAL GEORGIA UNTIL 9 PM EDT... AT 330 PM EDT WEATHER RADAR INDICATED A CLUSTER OF THUNDERSTORMS OVER WORTH AND TIFT COUNTIES OF SOUTHCENTRAL GEORGIA NEAR THE TOWNS OF TIFTON AND SYLVESTER. THESE STORMS WERE MOVING NORTHEAST AT 15 MPH. PEOPLE IN SOUTHCENTRAL GEORGIA SHOULD REMAIN ALERT THIS AFTERNOON AND EVENING FOR APPROACHING THUNDERSTORMS. THUNDERSTORMS WILL PRODUCE HEAVY RAIN..GUSTY WIND..LIGHTNING..AND POSSIBLY HAIL. MOVE INDOORS AND AWAY FROM WINDOWS IF A STORM THREATENS AND LISTEN TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND WARNINGS.
Special weather statement, May 4, 3:44 PM EDT, 24 minutes before
GAZ006-008-009-042100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 345 PM EDT TUE MAY 4 1993 ...SEVERE THUNDERSTORM WATCH NUMBER 198 IN EFFECT UNTIL 9 PM FOR PARTS OF CENTRAL AND EAST GEORGIA... AT 240 PM NATIONAL WEATHER SERVICE RADAR IN MACON SHOWED A BAND OF STRONG THUNDERSTORMS FROM EAST OF DUBLIN SOUTHWEST ACROSS HELENA AND FITZFERALD. THIS BAND OF STORMS WAS MOVING EAST AT 10 MPH WHILE INDIVIDUAL STORMS MOVED NORTHEAST AT :30 MPH. LAW ENFORCEMENT AND EMERGENCY MANAGEMENT OFFICIALS HAVE REPORTED VERY HEAVY RAIN AND GUSTY WINDS IN THESE STORMS. HAIL IS LIKELY FALLING FROM THE LARGER STORMS.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:13 PM EDT | Severe Thunderstorm Warning | FFC | Troup | 47 min |
| May 4, 4:08 PM EDT | Severe Thunderstorm Warning | FFC | Screven | 67 min |
| May 4, 4:10 PM EDT | Severe Thunderstorm Warning | FFC | Telfair, Wheeler | 50 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 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.