Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 32, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 22, 1997, 8:48 PM EDT for Sumter County, South Carolina. It was in force for 52 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 22, 1997, 8:48 PM EDT (00:48 UTC)
- Expired
- Apr 22, 1997, 9:40 PM EDT
- In force
- 52 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Sumter County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 22, 9:15 PM EDT | Hail 1 | Sumter, SC |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 0.8 hours before the alert went out and 118 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
- 885 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 1589 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCAE 230048 RRA SVRCAE SCC085-230140- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 848 PM EDT TUE APR 22 1997 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 940 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CAROLINA ...SUMTER COUNTY AT 845 PM NATIONAL WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS IN THE EAST PART OF RICHLAND COUNTY MOVING EAST NORTHEAST AT 35 MPH. THE CITY OF SUMTER IS IN THE PATH OF THESE THUNDERSTORMS. 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. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. AMATEUR RADIO AND OTHER SPOTTERS ARE REQUESTED TO MONITOR THIS STORM AND RELAY RE:PORTS PROMPTLY TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE. JL/SN
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 22, 7:19 PM EDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
719 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
703 PM SW LINCOLN COUNTY GA 1.00 INCH HAIL
04/22/97 LINCOLN COOP OBSERVER REPORT
TTHLocal storm report, Apr 22, 7:37 PM EDT, 1 hour 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
737 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
725 PM PLUM BRANCH SC 1.00 INCH HAIL
04/22/97 MCCORMICK COUNTY SHERRIF REPORT
TTHLocal storm report, Apr 22, 7:51 PM EDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
751 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
740 PM 10 SW EDGEFIELD SC 1.00 INCH HAIL
04/22/97 EDGEFIELD HAM OPERATOR REPORT
TTHLocal storm report, Apr 22, 7:55 PM EDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
755 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
751 PM 2 WEST THOMSON GA .75 INCH HAIL
04/22/97 MCDUFFIE PUBLIC REPORT
TTHLocal storm report, Apr 22, 8:27 PM EDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
827 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
822 PM LEESVILLE SC .75 INCH HAIL
04/22/97 LEXINGTON COUNTY SHERRIF REPORT
TTHLocal storm report, Apr 22, 8:48 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
848 PM EDT TUE APR 22 1997
TIME (EDT) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
822 PM SANDY RUN SC .75 INCH HAIL
04/22/97 CALHOUN LEXINGTON CO SHERIFF
820 PM MARTINEZ GA .50 INCH HAIL
04/22/97 COLUMBIA SAV RVR FACILITY EMPLOYEE
810 PM HARLEM GA 1.00 INCH HAIL
04/22/97 COLUMBIA GEMA
757 PM RIDGE SPRINGS SC 1.00 INCH HAIL
04/22/97 LEXINGTON LEXINGTON CO FIRE DEPT
812 PM LINCOLNTON GA WIND DAMAGE
04/22/97 LINCOLN POWER LINES DOWN - RPTD BY
GEMA
812 PM GROVETOWN GA 1.75 INCH HAIL
04/22/97 COLUMBIA PUBLIC RPT
830 PM LINCOLNTON GA WIND DAMAGE
04/22/97 LINCOLN NUMEROUS TREES DOWN AND
BUILDINGS DOWN JUST NW OF
LINCOLNTON REPORTED BY
GEMA
830 PM RED BANK SC .50 INCH HAIL
04/22/97 LEXINGTON PUBLIC REPORT
840 PM AUGUSTA GA .75 INCH HAIL
04/22/97 RICHMOND HAM OPERATOR
855 PM RED BANK SC .75 INCH HAIL
04/22/97 LEXINGTON HAM OPERATOR
TAThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 8:16 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun | 24 min |
| Apr 22, 8:22 PM EDT | Severe Thunderstorm Warning | CAE | Richland | 68 min |
| Apr 22, 8:41 PM EDT | Severe Thunderstorm Warning | CAE | Fairfield | 49 min |
| Apr 22, 8:56 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 64 min |
| Apr 22, 9:16 PM EDT | Severe Thunderstorm Warning | CAE | Lexington | 44 min |
| Apr 22, 9:25 PM EDT | Severe Thunderstorm Warning | CAE | Barnwell | 35 min |
| Apr 22, 9:28 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Orangeburg | 62 min |
| Apr 22, 9:28 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Richland | 62 min |
| Apr 22, 9:47 PM EDT | Tornado Warning | CAE | Clarendon | 28 min |
| Apr 22, 10:09 PM EDT | Severe Thunderstorm Warning | CAE | Sumter | 51 min |
| Apr 22, 10:12 PM EDT | Severe Thunderstorm Warning | CAE | Clarendon | 63 min |
| Apr 23, 1:15 AM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Orangeburg | 30 min |
| Apr 23, 1:33 AM EDT | Severe Thunderstorm Warning | CAE | Calhoun | 27 min |
| Apr 23, 1:45 AM EDT | Severe Thunderstorm Warning | CAE | Clarendon, Sumter | 45 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1997Every severe thunderstorm warning in 1997
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.