Alert archive / South Carolina / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 115, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Sep 24, 1997, 3:33 PM EDT for Orangeburg County, South Carolina. It was in force for 42 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
- Sep 24, 1997, 3:33 PM EDT (19:33 UTC)
- Expired
- Sep 24, 1997, 4:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Orangeburg County, SC
The radar
The Columbia radar (KCAE), 64 km from the middle of the area, began a volume at 19:33 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 12:00Z, 7.6 hours before the alert went out and 96 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
- 1797 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.7
The text
As transmitted, in the capitals the NWS used until 2016.
527 WUUS1 KCAE 241934 RRA SVRCAE SCC075-242015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 333 PM EDT WED SEP 24 1997 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 415 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CAROLINA ...EASTERN ORANGEBURG COUNTY AT 330 DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR THE PROVIDENCE AREA IN EASTERN ORANGEBURG COUNTY MOVING EASTNORTHEAST AT 15 MPH. THIS WILL TAKE THE STORM OVER PROVIDENCE TO THE VANCE/SANTEE AREA BY 4 PM. 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. DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. 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, Sep 24, 11:30 AM EDT, 4 hours 3 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031- 035-036-037-038-041-GAZ040-063-064-065-077-242054- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 1130 AM EDT WED SEP 24 1997 ...AREAS OF SHOWERS WITH WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON... A STATIONARY FRONT WILL BE THE FOCUS FOR NUMEROUS SHOWERS AND WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON. EXTENSIVE CLOUD COVER WILL LIMIT INSTABILITY ACROSS THE AREA KEEPING THUNDERSTORMS WIDELY SCATTERED. THE FRONT EXTENDED FROM NEAR SUMTER TO COLUMBIA TO LINCOLNTON GEORGIA AT LATE MORNING. MOST OF THE SHOWERS AND WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP ALONG THIS LINE AND MOVE NORTHEAST DURING THE AFTERNOON. ANOTHER AREA OF SHOWERS AND SCATTERED THUNDERSTORMS WILL MOVE NORTHEAST FROM BAMBERG TO MANNING. RAINFALL OF AROUND 1/2 INCH CAN BE EXPECTED WITH THE HEAVIER SHOWERS OR THUNDERSTORMS. THE WIDELY SCATTERED THUNDERSTORMS THAT DEVELOP WILL NOT HAVE MUCH LIGHTNING. ELSEWHERE...SHOWERS OR THUNDERSTORMS THAT DEVELOP WILL BE MORE RANDOM AND ISOLATED IN NATURE ALONG THE AREA FROM ORANGEBURG TO AUGUSTA. CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. RCC
Special weather statement, Sep 24, 11:31 AM EDT, 4 hours 2 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031- 035-036-037-038-041-GAZ040-063-064-065-077-242054- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 1130 AM EDT WED SEP 24 1997 ...AREAS OF SHOWERS WITH WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON... A STATIONARY FRONT WILL BE THE FOCUS FOR NUMEROUS SHOWERS AND WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON. EXTENSIVE CLOUD COVER WILL LIMIT INSTABILITY ACROSS THE AREA KEEPING THUNDERSTORMS WIDELY SCATTERED. THE FRONT EXTENDED FROM NEAR SUMTER TO COLUMBIA TO LINCOLNTON GEORGIA AT LATE MORNING. MOST OF THE SHOWERS AND WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP ALONG THIS LINE AND MOVE NORTHEAST DURING THE AFTERNOON. ANOTHER AREA OF SHOWERS AND SCATTERED THUNDERSTORMS WILL MOVE NORTHEAST FROM BAMBERG TO MANNING. RAINFALL OF AROUND 1/2 INCH CAN BE EXPECTED WITH THE HEAVIER SHOWERS OR THUNDERSTORMS. THE WIDELY SCATTERED THUNDERSTORMS THAT DEVELOP WILL NOT HAVE MUCH LIGHTNING. ELSEWHERE...SHOWERS OR THUNDERSTORMS THAT DEVELOP WILL BE MORE RANDOM AND ISOLATED IN NATURE ALONG THE AREA FROM ORANGEBURG TO AUGUSTA. CURRENT DATA DOES NOT FAVOR SEVERE THUNDERSTORM DEVELOPMENT. THEREFORE...EMERGENCY MANAGEMENT AND SPOTTER ACTIVATION SHOULD NOT BE REQUIRED. RCC
Special weather statement, Sep 24, 3:00 PM EDT, 33 minutes before
SCZ015-016-018-020-021-022-025-026-027-028-029-030-031- 035-036-037-038-041-GAZ040-063-064-065-077-250040- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 300 PM EDT WED SEP 24 1997 ...SOME POTENTIAL FOR ISOLATED SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND EVENING SOUTH AND EAST OF COLUMBIA... SCATTERED SHOWERS AND THUNDERSTORMS DEVELOPING BETWEEN AUGUSTA AND ORANGEBURG TO MANNING ARE BEING MONITORED CLOSELY FOR SEVERE WEATHER POTENTIAL. INSTABILITY HAS INCREASED IN THAT AREA. IN ADDITION A FRONTAL BOUNDARY CONTINUES FROM NEAR ORANGEBURG TO AUGUSTA. THIS IS CAUSING INCREASING CONVERGENCE OF LOW LEVEL WINDS. THE MAIN CONCERN IS FOR ISOLATED SMALL TORNADOES IN THE AREA FROM BARNWELL TO ORANGEBURG TO MANNING. EMERGENCY MANAGEMENT IN THE COUNTIES OF BARNWELL...BAMBERG... ORANGEBURG...AND CLARENDON COUNTIES SHOULD MONITOR THIS SITUATION. SPOTTER ACTIVATION MAY BECOME NECESSARY IN THOSE COUNTIES. RCC
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.