Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 45, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 18, 1998, 12:57 AM EDT for Burke County, Georgia. It was in force for 63 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
- Apr 18, 1998, 12:57 AM EDT (04:57 UTC)
- Expired
- Apr 18, 1998, 2:00 AM EDT
- In force
- 63 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Burke County, GA
The radar
The Charleston,SC radar (KCLX), 100 km from the middle of the area, began a volume at 05:00 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
Charleston AFB, SC (KCHS), launched 00:00Z, 5.0 hours before the alert went out and 187 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
- 660 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 116 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
267 WUUS1 KCAE 180454 RRA SVRCAE GAC033-180600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 1257 AM EDT SAT APR 18 1998 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN BURKE COUNTY IN GEORGIA * UNTIL 200 AM EDT * WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE TOWN OF MIDVILLE IN SOUTHERN BURKE COUTY. THIS STORM WAS MOVING TO THE EAST-NORTHEAST AT NEAR 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RHEE AT 1:00 SARDIS AT 1:08 MUNNERLYN AT 1:05 GIRARD AT 1:10 SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR. LCV/RCC
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, Apr 17, 7:43 PM EDT, 5 hours 14 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-180743- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 743 PM EDT FRI APR 17 1998 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE INTO THE EARLY MORNING HOURS... WARM...MOIST AND UNSTABLE AIR AHEAD OF A SLOW-MOVING COLD FRONT CURRENTLY ACROSS THE UPSTATE OF SOUTH CAROLINA AND NORTHERN GEORGIA...WILL PROVIDE THE FOCUS FOR THUNDERSTORM DEVELOPMENT INTO THE EARLY MORNING HOURS. A FEW ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE. THE MAIN DANGER WITH THESE STORMS WILL BE LARGE HAIL. A FEW STORMS COULD ALSO PRODUCE WIND GUSTS TO 58 MPH. THE MAIN THREAT AREA WILL BE OVER THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. RESIDENTS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE PREPARED IN THE EVENT THAT WARNINGS ARE ISSUED. COLLINS
Special weather statement, Apr 17, 7:43 PM EDT, 5 hours 14 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031-035- 036-037-038-041-GAZ040-063-064-065-077-180743- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 743 PM EDT FRI APR 17 1998 ...ISOLATED SEVERE THUNDERSTORMS POSSIBLE INTO THE EARLY MORNING HOURS... WARM...MOIST AND UNSTABLE AIR AHEAD OF A SLOW-MOVING COLD FRONT CURRENTLY ACROSS THE UPSTATE OF SOUTH CAROLINA AND NORTHERN GEORGIA...WILL PROVIDE THE FOCUS FOR THUNDERSTORM DEVELOPMENT INTO THE EARLY MORNING HOURS. A FEW ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE. THE MAIN DANGER WITH THESE STORMS WILL BE LARGE HAIL. A FEW STORMS COULD ALSO PRODUCE WIND GUSTS TO 58 MPH. THE MAIN THREAT AREA WILL BE OVER THE CENTRAL SAVANNAH RIVER AREA OF GEORGIA. RESIDENTS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE PREPARED IN THE EVENT THAT WARNINGS ARE ISSUED. COLLINS
Special weather statement, Apr 17, 9:20 PM EDT, 3 hours 37 minutes before
GAZ040-063-064-065-077-180220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 920 PM EDT FRI APR 17 1998 THE SEVERE THUNDERSTORM WATCH ISSUED AT 713 PM EDT HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND THE THREAT OF SEVERE WEATHER HAS DIMINISHED OVER THE AREA. COLLINS
Special weather statement, Apr 17, 9:20 PM EDT, 3 hours 37 minutes before
GAZ040-063-064-065-077-180220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 920 PM EDT FRI APR 17 1998 THE SEVERE THUNDERSTORM WATCH ISSUED AT 713 PM EDT HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES IN THE NATIONAL WEATHER SERVICE OFFICE COLUMBIA COUNTY WARNING AREA: BURKE COLUMBIA LINCOLN MCDUFFIE RICHMOND THE THREAT OF SEVERE WEATHER HAS DIMINISHED OVER THE AREA. COLLINS
Nearby
Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998
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.