Alert archive / South Carolina / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 2, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Feb 21, 1989, 10:09 AM EST for Bamberg County, Orangeburg County, South Carolina. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1989, 10:09 AM EST (15:09 UTC)
- Expired
- Feb 21, 1989, 11:15 AM EST
- In force
- 66 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
Counties Bamberg County, SC, Orangeburg 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
Charleston AFB, SC (KCHS), launched 12:00Z, 3.2 hours before the alert went out and 99 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
- 701 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 648 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCAE 211511
SVRCAE
SCC009-075-211615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
1009 AM EST TUE FEB 21 1989
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN SOUTH CAROLINA
...BAMBERG...ORANGEBURG
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.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, Feb 21, 7:26 AM EST, 2 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 725AM EST TUE FEB 21 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR HANCOCK...WASHINGTON... JOHNSON...AND EMANUEL COUNTIES UNTIL 11 AM THIS MORNING... AT 720 AM WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS EMBEDDED IN LIGHT RAIN OVER MUCH OF THE CENTRAL SAVANNAH RIVER AREA. THE STRONGEST THUNDERSTORMS IN SOUTH CAROLINA WERE NEAR EDGEFIELD. A LEADING EDGE OF A LINE OF STRONG THUNDERSTORMS EXTENDS FROM NEAR LAKE GREENWOOD IN SOUTH CAROLINA SOUTHWEST ACROSS THURMOND LAKE INTO CENTRAL GEORGIA SOUTH OF MACON. STRONG GUSTY WINDS, BRIEF HEAVY RAIN AND DANGEROUS CLOUD TO GROUND LIGHTNING IS POSSIBLE AS THIS LINE MOVES EAST AT 35 MPH.
Special weather statement, Feb 21, 8:32 AM EST, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 830AM EST TUE FEB 21 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR HANCOCK...WASHINGTON... JOHNSON...AND EMANUEL COUNTIES UNTIL 11 AM THIS MORNING... AT 820 AM WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS EMBEDDED IN LIGHT RAIN OVER MUCH OF THE CENTRAL SAVANNAH RIVER AREA. THE LEADING EDGE OF LINE OF THUNDERSTORMS EXTENDS FROM THE WESTERN REACHES OF LAKE MURRAY IN SOUTH CAROLINA SOUTHWEST INTO GEORGIA NEAR AUGUSTA INTO CENTRAL GEORGIA. STRONG GUSTY WINDS, BRIEF GUSTY WINDS, LIGHTNING AND HAIL MAY ACCOMPANY THIS LINE AS IT MOVES EASTWARD AT 35 MPH. A STRONG THUNDERSTORM IS LOCATED SOUTHWEST OF MILLEN GEORGIA IN SOUTHWEST JENKINS COUNTY. THIS STORM IS MOVING NORTHEAST 35 MPH. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Special weather statement, Feb 21, 8:35 AM EST, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 830AM EST TUE FEB 21 1989 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR HANCOCK...WASHINGTON... JOHNSON...AND EMANUEL COUNTIES UNTIL 11 AM THIS MORNING... AT 820 AM WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS EMBEDDED IN LIGHT RAIN OVER MUCH OF THE CENTRAL SAVANNAH RIVER AREA. THE LEADING EDGE OF A LINE OF THUNDERSTORMS EXTENDS FROM THE WESTERN REACHES OF LAKE MURRAY IN SOUTH CAROLINA SOUTHWEST INTO GEORGIA NEAR AUGUSTA INTO CENTRAL GEORGIA. STRONG BRIEF GUSTY WINDS, LIGHTNING AND HAIL MAY ACCOMPANY THIS LINE AS IT MOVES EASTWARD AT 35 MPH. A STRONG THUNDERSTORM IS LOCATED SOUTHWEST OF MILLEN GEORGIA IN SOUTHWEST JENKINS COUNTY. THIS STORM IS MOVING NORTHEAST 35 MPH. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS.
Special weather statement, Feb 21, 8:54 AM EST, 1 hour 15 minutes before
BULLETIN SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA, SC 846 AM EST TUE FEB 21 1989 ...HEAVY SHOWERS AND A LINE OF THUNDERSTORMS RUMBLING THROUGH THE MIDLANDS OF SOUTH CAROLINA... AT 845AM EST THIS TUESDAY MORNING A LINE OF HEAVY SHOWERS WITH A FEW THUNDERSTORMS EMBEDDED IN THE LINE WAS DETECTED BY RADAR MOVING THROUGH THE MIDLANDS OF SOUTH CAROLINA. THE LINE EXTENDED FROM JUST SOUTH OF CHARLOTTE NORTH CAROLINA TO JUST WEST OF COLUMBIA SOUTH CAROLINA TO THE AUGUSTA GEORGIA AREA. THE HEAVIEST THUNDERSTORM ACTIVITY IN THIS LINE IS IN AIKEN COUNTY JUST NORTHWEST OF WILLISTON WITH ADDITIONAL HEAVY THUNDERSTORMS IN THE COLUMBIA AREA. THE STORMS WERE MOVING NORTHEAST ABOUT 30 MILES AN HOUR AND MAY BE ACCOMPANIED BY VERY STRONG GUSTY WINDS..SMALL HAIL AND DANGEROUS LIGHTNING ALONG WITH HEAVY DOWNPOURS. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT. THORPE
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 8:59 AM EST | Severe Thunderstorm Warning | CAE | Lexington, Richland | 61 min |
| Feb 21, 9:46 AM EST | Tornado Warning | CAE | Chesterfield | 59 min |
| Feb 21, 10:24 AM EST | Severe Thunderstorm Warning | CAE | Sumter | 66 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1989Every severe thunderstorm warning in 1989
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.