Alert archive / South Carolina / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 2, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 3, 1991, 5:19 PM EST for Kershaw County, Lee County, South Carolina. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Mar 3, 1991, 5:19 PM EST (22:19 UTC)
- Expired
- Mar 3, 1991, 6:15 PM EST
- In force
- 56 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
Counties Kershaw County, SC, Lee County, SC
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 10.3 hours before the alert went out and 155 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 637 m²/s²
- 0-3 km storm-relative helicity
- 883 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCAE 032220 SVRCAE SCC055-061-032315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 519 PM EST SUN MAR 3 1991 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CAROLINA ...KERSHAW COUNTY...LEE COUNTY AT 515 PM EDT A SEVERE THUNDERSTORM WAS IN PROGRESS IN SUMTER COUNTY NEAR SHAW AFB. ANOTHER SEVERE THUNDERSTORM WAS DETECTED BY RADAR IN KERSHAW COUNTY. BOTH THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT 40 MPH. THIS RATE OF SPREED WILL TAKE THE STORMS INTO NORTHERN KERSHAW AND LEE COUNTY DURING THE NEXT HOUR. WINDS GUTS OF 55 MPH WERE OBSERVED IN SUMTER COUNTY. 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 WEUATHER CONDITIONS. LOWE
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, Mar 3, 12:23 PM EST, 4 hours 56 minutes before
GAZ007-SCZ004-006-031930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 1225 PM EST SUN MAR 3 1991 ...TORNADO WATCH UNTIL 5 PM FOR PORTIONS OF SOUTHERN AND CENTRAL GEORGIA...INCLUDING MOST GEORGIA COUNTIES OF THE CENTRAL SAVANNAH RIVER AREA... ...FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE SOUTH CAROLINA PIEDMONT AND MIDLANDS... AT 1215 PM WEATHER SERVICE RADAR INDICATEA AN AREA OF VERY STRONG THUNDERSTORMS OVER CENTRAL GEORIbGA. THE THUNDERSTORMS ARE MOVING NORTHEAST AT 45 MPH. RESIDENTS OF THE WATCH AREA SHOULD REMAIN ALERT FOR VERY HEAVY RAINS... STRONG GUSTY WINDS...FLOODING OF LOW LYING AREAS AND SMALL STREAMS AND POSSIBLE TORNADOES.
Special weather statement, Mar 3, 12:25 PM EST, 4 hours 54 minutes before
GAZ007-SCZ004-006-031930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 1225 PM EST SUN MAR 3 1991 ...TORNADO WATCH UNTIL 5 PM FOR PORTIONS OF SOUTHERN AND CENTRAL GEORGIA...INCLUDING MOST GEORGIA COUNTIES OF THE CENTRAL SAVANNAH RIVER AREA... ...FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE SOUTH CAROLINA PIEDMONT AND MIDLANDS... AT 1215 PM WEATHER SERVICE RADAR INDICATED AN AREA OF VERY STRONG THUNDERSTORMS OVER CENTRAL GEORIlGA. THE THUNDERSTORMS ARE MOVING NORTHEAST AT 45 MPH. RESIDENTS OF THE WATCH AREA SHOULD REMAIN ALERT FOR VERY HEAVY RAINS... STRONG GUSTY WINDS...FLOODING OF LOW LYING AREAS AND SMALL STREAMS AND POSSIBLE TORNADOES.
Special weather statement, Mar 3, 3:49 PM EST, 1 hour 30 minutes before
GAZ007-SCZ004-006-032300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 350 PM EST SUN MAR 3 1991 ...FLASH FLOOD WARNING IN EFFECT UNTIL 545 PM FOR RICHMOND COUNTY GEORGIA... ...TORNADO WATCH IN EFFECT UNTIL 7 PM FOR PORTIONS OF SOUTHERN AND CENTRAL GEORGIA AND WESTERN AND CENTRAL SOUTH CAROLINA...INCLUDING ALL GEORGIA AND SOUTH CAROLINA COUNTIES OF THE CENTRAL SAVANNAH RIVER AREA... ...FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE SOUTH CAROLINA PIEDMONT AND MIDLANDS... AT 340 PM WEATHER SERVICE RADAR INDICATED AN AREA OF RAIN WITH EMBEDDED VERY STRONG THUNDERSTORMS FROM EASTERN GEORIGA TO CENTRAL SOUTH CAROLINA. THE STRONGEST THUNDERSTORMS WERE OVER SOUTH CAROLINA FROM NORTHEAST AIKEN COUNTY TO BARNWELL COUNTY. THE STORMS WERE MOVING NORTHEAST 45 MPH. RICHMOND COUNTY EMERGENCY MANAGEMENT OFFICIALS CONTINUED TO RECIEVE NUMEROUS REPORTS OF FLOODED ROADWAYS. RESIDENTS OF THE WATCH AREA SHOULD CONTINUE TO BE ALfERT FOR PERIODS OF VERY HEAVY RAINS...STRONG GUSTY THUNDERSTORMS WINDS...FLOODING OF LOW LYING AREA..SMALL STREAMS AND CREEKS AND POSSIBLE TORNADOES.
Special weather statement, Mar 3, 4:31 PM EST, 48 minutes before
GAZ007-SCZ004-006-032300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUGUSTA GA 430 PM EST SUN MAR 3 1991 ...FLASH FLOOD WARNING IN EFFECT UNTIL 545 PM FOR RICHMOND COUNTY GEORGIA... ...TORNADO WATCH IN EFFECT UNTIL 7 PM FOR WESTERN CENTRAL SOUTH CAROLINA... ...FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE SOUTH CAROLINA PIEDMONT AND MIDLANDS... AT 415 PM WEATHER SERVICE RADAR INDICATED AN AREA OF RAIN WITH EMBEDDED VERY STRONG THUNDERSTORMS OVER WESTCENTRAL SOUTH CAROLINA. THE STRONGEST THUNDERSTORMS WERE FROM COLUMBIA SOUTHEST TO WALTERBORO AND EAST OF CAMDEN. ADDITIONAL THUNDERSTORMS WERE IN CENTRAL GEORGIA MOVING IN OUR DIRECTION. THESE STORMS WERE MOVING NORTHEAST 45 MPH. RICHMOND COUNTY EMERGENCY MANAGEMENT OFFICIALS CONTINUED TO RECIEVE NUMEROUS REPORTS OF FLOODED ROADWAYS AND SOME AREAS OF THE CITY OF AUGUSTA AND RICHMOND COUNTY ARE NOW BEING EVACUATED. RESIDENTS OF THE WATCH AREA SHOULD CONTINUE TO BE ALERT FOR PERIODS OF VERY HEAVY RAINS...STRONG GUSTY THUNDERSTORMS WINDS...FLOODING OF LOW LYING AREA..SMALL STREAMS AND CREEKS AND POSSIBLE TORNADOES.
Special weather statement, Mar 3, 5:00 PM EST, 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA, SC 505 PM EST SUN MAR 03 1991 ...TORNADO WATCH IN EFFECT UNTIL 7PM EST... ...FLASH FLOOD WATCH IN EFFECT FOR THE MOUNTAINS ..FOOTHILLS AND BOTH PIEDMONTS OF SOUTH CAROLINA THIS EVENING... AN INTENSE LOW PRESSURE SYSTEM IN SOUTH CENTRAL GEORGIA IS CAUSING FAST MOVING THUNDERSTORMS ACROSS SOUTH CAROLINA THIS AFTERNOON. THE STRONGEST THUNDERSTORMS ARE OCCURRING IN THE COASTAL PLAINS AFFECTING THE COUNTIES OF CHARLESTON ..BERKELEY ..DORCHESTER AND COLLETON. OTHER STRONG STORMS ARE IN PROGESS IN ORANGEBURG COUNTY AND EASTERN FAIRFIELD COUNTY AT 445 PM. THE THUNDERSTORMS ARE MOVING EASTWARD AROUND 45 MPH AND ARE PRODUCING SMALL HAIL ..PEA SIZED .. AND STRONG GUSTY WINDS. MOST STATIONS REPORTED WIND GUSTS TO AROUND 40 MPH WHEN A THUNDERSTORM PASSED NEAR. HEAVY RAINS ARE SWELLING SMALL RIVERS AND STREAMS TO OR ABOVE BANKFULL IN THE MIDLANDS. THE LOW PRESSURE IS EXPECTED TO MOVBE INTO THE NORTHERN VIRGINIA AREA BY MONDAY MORNING. THIS WILL CAUSE THE PRECIPITATION TO TAPER OFF LATER TONIGHT. LOWE
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 3, 10:07 AM EST | Severe Thunderstorm Warning | CAE | Marion | 36 min |
| Mar 3, 2:36 PM EST | Tornado Warning | CAE | Fairfield, Newberry | 44 min |
| Mar 3, 5:49 PM EST | Severe Thunderstorm Warning | CAE | Chesterfield | 56 min |
| Mar 3, 5:49 PM EST | Severe Thunderstorm Warning | CAE | Florence | 56 min |
| Mar 3, 6:21 PM EST | Severe Thunderstorm Warning | CAE | Dillon, Marion | 69 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1991Every severe thunderstorm warning in 1991
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.