Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 137, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Apr 28, 1990, 8:40 PM EDT for Barnwell County, South Carolina. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Apr 28, 1990, 8:40 PM EDT (00:40 UTC)
- Expired
- Apr 28, 1990, 9:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Atlanta, GA
- Area
- Whole counties
County Barnwell County, SC
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
Jacksonville, FL (KAYS), launched 00:00Z, 0.7 hours before the alert went out and 309 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
- 959 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.8
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
Local storm report, Apr 28, 5:08 PM EDT, 3 hours 32 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 505PM SAT APR 28, 1990 COUNTY........ HART SOURCE........ SHF TIME.......... 450PM EDTT LOCATION...... HART STATE PARK TYPE STORM.... SEVERE] THUNDERSTORM PSBL TORNADO HAIL.......... MARBLE SIZE COVERING GROUND DAMAGE........ TREES AND POWER LINES DOWN INJURIES......UNKNOW
Local storm report, Apr 28, 5:20 PM EDT, 3 hours 20 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 515PM SAT APR 28, 1990 COUNTY........ ELBERT SOURCE........ SHF TIME.......... 515PM EDT LOCATION...... CITY OF ELBERTON TYPE STORM.... SEVErRE THUNDERSTORM HAIL.......... MARBLE SIZE COVERING GROUND DAMAGE........ UNKNOWN INJURIES......UNKNOW
Local storm report, Apr 28, 5:36 PM EDT, 3 hours 4 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 535 PM EDT SAT APR 28 1990 COUNTY........ MADISON SOURCE........ PUBLIC TIME.......... 500PM EDT LOCATION...... BETWEEN ILA AND NEECE TYPE STORM.... SEVERE THUNDERSTORM HAIL.......... PEA TO MARBLE SIZE COVERING GROUND DAMAGE........UNKNOWN INJURIES......UNKNOWN
Local storm report, Apr 28, 5:40 PM EDT, 3 hours before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE ATHENS GA 540 PM EDT SAT APR 28 1990 COUNTY........ HABERAHAM SOURCE........ CD TIME.......... 400PM EDT LOCATION...... 5 W CLARKSVILLE TYPE STORM.... SEVERE THUNDERSTORM HAIL.......... PEA TO MARBLE SIZE DAMAGE........ A CABINET SHOP DESTROYED BY LIGHTNING INJURIES......UNKNOWN
Special weather statement, Apr 28, 6:55 PM EDT, 1 hour 45 minutes before
GAZ008-011-012-290030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MONTGOMERY AL 650 PM CDT SAT APR 28 1990 ...TORNADO WATCH NUMBER 177 CONTINUES FOR MUCH OF SOUTHWEST AND SOUTH CENTRAL GEORGIA UNTIL 9 PM EDT... AT 648 PM EDT WEATHER RADAR AT COLUMBUS INDICATED A FEW ISOLATED THUNDERSHOWERS IN THE FITZGERALD AND OCILLA GEORGIA AREAS...ALSO IN THE DONALSONVILLE AND LAKE SEMINOLE AREAS OF SOUTHWEST GEORGIA. MOVEMENT WAS EAST ABOUT 35 MPH. PEOPLE IN AND AROUND THE TORNADO WATCH AREA SHOULD CONTINUE TO BE ALERT FOR THREATENING WEATHER AND LISTEN FOR FURTHER UPDATES FROM THE NATIONAL WEATHER SERVICE.
Special weather statement, Apr 28, 6:57 PM EDT, 1 hour 43 minutes before
GAZ008-011-012-290030- SPECIAL WEATHER STATEMENT...CORRECTION TO HEADING NATIONAL WEATHER SERVICE COLUMBUS GA 650 PM CDT SAT APR 28 1990 ...TORNADO WATCH NUMBER 177 CONTINUES FOR MUCH OF SOUTHWEST AND SOUTH CENTRAL GEORGIA UNTIL 9 PM EDT... AT 648 PM EDT WEATHER RADAR AT COLUMBUS INDICATED A FEW ISOLATED THUNDERSHOWERS IN THE FITZGERALD AND OCILLA GEORGIA AREAS...ALSO IN THE DONALSONVILLE AND LAKE SEMINOLE AREAS OF SOUTHWEST GEORGIA. MOVEMENT WAS EAST ABOUT 35 MPH. PEOPLE IN AND AROUND THE TORNADO WATCH AREA SHOULD CONTINUE TO BE ALERT FOR THREATENING WEATHER AND LISTEN FOR FURTHER UPDATES FROM THE NATIONAL WEATHER SERVICE.
The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 8:10 PM EDT | Severe Thunderstorm Warning | FFC | Wheeler | 50 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 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.