Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 178, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 28, 1990, 1:49 PM EDT for Barnwell County, South Carolina. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- May 28, 1990, 1:49 PM EDT (17:49 UTC)
- Expired
- May 28, 1990, 2:15 PM EDT
- In force
- 26 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
Athens Municipal, GA (KAHN), launched 12:00Z, 5.8 hours before the alert went out and 189 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
- 291 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 28, 10:48 AM EDT, 3 hours 1 minute before
GAZ008-011-281545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS GA 1047 AM EDT MON MAY 28 1990 AT 1040 WEATHER RADAR AT COLUMBUS SHOWED SCATTERED THUNDERSTORMS FROM NEAR FORT GAINES SOUTHEAST TO NEAR BAINBRIDGE GEORGIA. THESE THUNDERSTORMS WAS MOVING EAST AT 20 MILES AN HOUR. THESE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING..VERY HEAVY RAINFALL AND POSSIBLE SMALL HAIL AS THEY MOVE THROUGH THE AREA DURING THE NEXT COUPLE OF HOURS. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR ADDITIONAL STATEMENTS ON THESE THUNDERSTORMS.
Special weather statement, May 28, 12:17 PM EDT, 1 hour 32 minutes before
GAZ006-008-009-281615- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MACON GA 1215 PM EDT MON MAY 28 1990 AT 1210 PM WEATHER SERVICE RADAR SHOWED THUNDERSTORMS BEGINNING TO DEVELOPE ACROSS CENTRAL AND EAST GEORGIA. THE STRONGEST THUNDER- STORMS AT THIS TIME WERE NEAR AUGUSTA GEORGIA AND NORTH OF DUBLIN GEORGIA. MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. DUE TO THE HEATING AND VERY MOIST UNSTABLE AIR MASS OVER THE STATE TODAY..VERY STRONG THUNDERSTORMS ARE LIKELY TO DEVELOPE THIS AFTERNOON. SOME OF THESE THUNDERSTORMS COULD POSSIBLY BE SEVERE ACROSS CENTRAL AND SOUTHEAST GEORGIA. PEOPLE OUTSIDE ON THIS MEMORIAL DAY SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER AND MOVE INDOORS IF THUNDERSTORMS APROACH. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS MEDIA FOR ADDITIONAL STATEMENTS ON THIS WEATHER SITUATION.
Special weather statement, May 28, 12:58 PM EDT, 51 minutes before
GAZ002-004-282345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ATHENS GA 1250 PM EDT MON MAY 28 1990 .....SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 8 PM EDT FOR BANKS...CLARKE...ELBERT...FRANKLIN...GREENE...HABERSHAM...HART... JACKSON...MADISON...MORGAN...OCNONEE...OGLETHORPE...RABUN... STEPHENS AND TALIAFERRO COUNTIES OF NORTHEAST GEORGIA..... AT 1 PM EDT SCATTERED THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER NORTHEAST GEORGIA. THESE THUNDERSTORMS ARE MOVING NORTHEAST AT 40 MILES AN HOUR. A COLD FRONT WILL BE ENTERING NORTHEAST GEORGIA THIS AFTERNOON WHICH WILL INCREASE THE CHANCES OF POSSIBLE SEVERE THUNDERSTORMS FOR THE AFOREMENTIONED COUNTIES OF NORTHEAST GEORGIA. PERSONS -SHOULD BE ON THE ALERT FOR POSSIBLE THREATENING WEATHER CONDITIONS THIS AFTERNOON AND EVENING.
Special weather statement, May 28, 1:31 PM EDT, 18 minutes before
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</html>The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 1:06 PM EDT | Severe Thunderstorm Warning | FFC | Jefferson | 54 min |
| May 28, 1:16 PM EDT | Severe Thunderstorm Warning | FFC | Bleckley | 44 min |
| May 28, 3:29 PM EDT | Severe Thunderstorm Warning | FFC | Barrow, Walton | 61 min |
| May 28, 4:52 PM EDT | Severe Thunderstorm Warning | FFC | Jasper | 53 min |
| May 28, 5:06 PM EDT | Severe Thunderstorm Warning | FFC | Habersham, Stephens | 69 min |
| May 28, 5:24 PM EDT | Severe Thunderstorm Warning | FFC | Franklin, Hart | 66 min |
| May 28, 5:48 PM EDT | Severe Thunderstorm Warning | FFC | Monroe | 42 min |
| May 28, 6:03 PM EDT | Severe Thunderstorm Warning | FFC | Jones | 42 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.