Alert archive / South Carolina / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 29, 1991, 4:41 PM EDT for Anderson County, Pickens County, South Carolina. It was in force for 64 min. 3 reports 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 29, 1991, 4:41 PM EDT (20:41 UTC)
- Expired
- Apr 29, 1991, 5:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Anderson County, SC, Pickens County, SC
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 29, 4:57 PM EDT | Hail 1.75 | Anderson, SC | |
| Apr 29, 5:15 PM EDT | Hail 2.75 | Anderson, SC | |
| Apr 29, 5:28 PM EDT | Hail 1.75 | Pickens, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Athens Municipal, GA (KAHN), launched 12:00Z, 8.7 hours before the alert went out and 101 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
- 466 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 677 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGSP 292044 SVRGSP SCC007-077-292145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 441 PM EDT MON APR 29 1991 THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CAROLINA ...ANDERSON COUNTY...PICKENS COUNTY WEATHER RADAR DETECTED SEVERAL LARGE THUNDERSTOMS MOVING INTO ANDERSON AND PICKENS COUNTIES OF SOUTH CAROLINA AT 440 PM EDT WITH POSSIBLE LARGE HAIL AND DAMAGING WINDS. THE STORMS WERE MOVING TO THE NORTHEAST ABOUT 40 MILES AN HOUR. ALTHOUGH NO TORNADOES HAVE BEEN DETECTED WITH THIS STORM...A TORNADO WATCH REMAINS IN EFFECT. TORNADOES CAN DEVELOP WITHOUT WARNING FROM A SEVERE THUNDERSTORM. PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH A,NY THUNDERSTORM.
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 29, 2:50 PM EDT, 1 hour 51 minutes before
NCZ007-009-010-011-012-013-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 250 PM EDT MON APR 29 1991 ...TORNADO WATCH CONTINUES IN EFFECT UNTIL 9 PM TONIGHT FOR ALL 21 COUNTIES OF WESTERN NORTH CAROLINA... AT 245 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF SHOWERS AND THUNDERSTORMS..SOME HEAVY..ON A BRYSON CITY-FRANKLIN LINE EXTENDING SOUTHWEST INTO NORTHEAST GEORGIA. THIS LINE WAS MOVING SLOWLY TOWARD THE EAST WITH STORM CELLS IN THE LINE MOVING NORTHEAST AT 40 MPH. THIS MOVEMENT WILL BRING THE STORMS INTO JACKSON AND HAYWOOD COUNTIES BY 315 PM. HEAVY RAINFALL ASSOCIATED WITH THE THUNDERSTORMS WILL LIKELY CAUSE SOME LOCAL SMALL STREAM AND URBAN FLOODING AS THE STORMS PASS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. COLE
Special weather statement, Apr 29, 2:50 PM EDT, 1 hour 51 minutes before
NCZ007-008-014-291900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLOTTE NC 245 PM EDT MON APR 29 1991 ... A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PORTION OF NORTH AND SOUTH CAROLINA UNTIL 9 PM TONIGHT... AT 245 THIS AFTERNOON WEATHER RADAR SHOWED HEAVY RAIN IN THUNDERSTORMS SCATTERED THOUGHOUT THE AREA WITHIN 75 MILES OF CHARLOTTE. AT THAT TIME THE GREATEST CONCENRATION OF THUNDERSTORM ACTIVITY WAS FROM STATESVILLE NOTHEAST TO LEXINGTON THEN SOUTH THROUGH THE YADKIN RIVER BASIN OVER LAKES BADIN AND TILLERY TO PAGELAND AND BENNETTSVILLE SOUTH CAROLINA. EVERYONE ON THE YADKIN...PEE DEE RIVER FROM THE NORTHERN PORTION OF HIGH ROCK LAKE SOUTH ACROSS BADIN AND TILLERY LAKES INTO SOUTH CAROLINA SHOULD SEEK SAFE HARBOR IMMEDIATELY. MOVEMENT OF THE STORMS CONTINUED TO BE TOWARD THE NORTHEAST AT 35 TO 40 MPH. THIS MOVEMENT MEANS RICHMOND... MONTGOMERY... STANLY AND ANSON COUNTIES IN NORTH CAROLINA WILL EXPERIENCE THUNDERSTORMS THROUGH 4 THIS AFTERNOON. PERIODS OF RAIN HEAVY ENOUGH TO CAUSE FLOODING OF LOW LYING AREAS... INCREASING GUSTY WINDS AND DEADLY LIGHTNING SHOULD BE ANTICIPATED THROUGHOUT THE AREA THIS AFTERNOON AND EVENING. THE NEXT STATEMENT WILL BE ISSUED JUST PRIOR TO 4 PM. HOWEVER... BE ALERT IN THE EVENT A WARNING IS ISSUED IN THE MEANTIME. RK
Special weather statement, Apr 29, 3:47 PM EDT, 54 minutes before
NCZ007-008-014-292100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLOTTE NC 350 PM EDT MON APR 29 1991 ... A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PORTION OF NORTH AND SOUTH CAROLINA UNTIL 9 PM TONIGHT... ... THUNDERSTORMS WITH HEAVY RAIN WELL EAST OF CHARLOTTE WHILE NEW DEVELOPMENT TAKES PLACE WELL TO THE WEST OF THE QUEEN CITY... AT 345 THIS AFTERNOON WEATHER RADAR SHOWED VERY HEAVY RAIN IN THUNDERSTORMS OVER EXTREME WESTERN RICHMOND COUNTY OF NORTH CAROLINA. THIS THUNDERSTORM WAS OVER THE PEE DEE RIVER SOME 15 MILES NORTHWEST OF ROCKINGHAM AND NEAR BLEWETT FALLS LAKE. AT THE SAME TIME HEAVY RAIN IN THUNDERSTORMS WERE NOTED OVER CENTRAL RUTHERFORD COUNTY OF NORTH CAROLINA 12 TO 18 MILES WEST OF SHELBY. MOVEMENT OF THE STORMS CONTINUED TO BE TOWARD THE NORTHEAST AT 35 TO 40 MPH. THE SOUTHEASTERN ONE HALF OF MONTGOMERY COUNTY AND THE NORTHWESTERN ONE THIRD OF RICHMOND COUNTY SHOULD BRACE FOR THUNDERSTORMS THROUGH 5 OCLOCK. AND... EVERYONE IN CLEVELAND COUNTY SHOULD EXPECT THUNDERSTORMS BETWEEN 4 AND 5 OCLOCK. IN ADDITION TO SEVERE WEATHER PERIODS OF RAIN HEAVY ENOUGH TO CAUSE FLOODING OF LOW LYING AREAS... INCREASING GUSTY WINDS AND DEADLY GLIGHTNING SHOULD BE ANTICIPATED THROUGHOUT THE AREA THIS AFTERNOON AND EVENING. THE NEXT STATEMENT WILL BE ISSUED JUST PRIOR TO 5 PM. HOWEVER... BE ALERT IN THE EVENT A WARNING IS ISSUED IN THE MEANTIME. RK
Special weather statement, Apr 29, 3:47 PM EDT, 54 minutes before
SCZ001>004-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 345PM EDT MON APR 29 1991 ...TORNADO WATCH IN EFFECT FOR MOST OF UPSTATE SOUTH CAROLINA UNTIL 9PM EDT THIS MONDAY EVENING.... ...LINE OF THUNDERSTORMS NOW ALONG THE WEST PORTION OF OCONEE COUNTY EXTENDING SOUTHWESTWARD THROUGH GEORGIA INTO ALABAMA. AT 340PM...THE WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS EXTENDING FROM WESTERN NORTH CAROLINA ALONG THE WEST PORTION OF OCONEE COUNTY. THE LINE OF STORMS IS MOVING EASTWARD WHILE THE INDIVIDUAL STORM CELLS ARE MOVING TOWARD THE NORTHEAST NEAR 40 MPH. SMALL HAIL AND GUSTY WINDS HAVE BEEN REPORTED AROSS NORTH GEORGIA AS THE STORMS MOVED THROUGH THE AREA. NICKEL AND DIME SIZE HAIL FELL FROM THE STORMS IN FULTON AND COBB COUNTIES IN GEORGIA. TREE LIMBS WERE BLOWN OFF AND SOME POWER LINES WERE REPORTEDLY DOWNED. PEOPLE IN UPSTATE SOUTH CAROLINA SHOULD BE ALERT FOR THUNDERSTORMS AND POSSIBLE TORNADOES FOR THE REMAINDER OF THE AFTERNOON AND EVENING. IF THREATENING WEATHER APPROACHES...MOVE QUICKLY TO A PLACE OF SAFETY. LISTEN TO NOAA WEATHER RADIO OR LOCAL RADIO OR TV FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS AS THIS WEATHER SITU2ATION CONTINUES TO MOVE INTO AND THROUGH THE UPSTATE AREA. CURTIS
Special weather statement, Apr 29, 3:57 PM EDT, 44 minutes before
NCZ007-009-010-011-012-013-292130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 356 PM EDT MON APR 29 1991 ...TORNADO WATCH IN EFFECT FOR ALL OF WESTERN NORTH CAROLINA TIL 9 PM... AT 350 PM EDT...A FEW THUNDERSTORMS WITH HEAVY RAIN WERE LOCATED NEAR TRYON...JUST SOUTHWEST OF WAYNESVILLE AND WEST OF LAKE TOXAWAY IN THE MOUNTAINS AND FOOTHILLS OF WESTERN NORTH CAROLINA. THESE STORMS WILL PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND POSSIBLY SOME SMALL HAIL AS THEY MOVE NORTHEAST AT 40 MILES AN HOUR. THESE STORMS ARE PART OF A LINE OF SHOWERS AND THUNDERSTORMS STRETCHING FROM NORTHEAST TENNESSEE SOUTHWEST THROUGH GEORGIA AND ALABAMA. TORNADO AND SEVERE THUNDERSTORM WARNINGS HAVE BEEN ISSUED WITH THIS SYSTEM IN GEORGIA AND ALABAMA. NO SEVERE WEATHER HAS OCCURRED IN WESTERN NORTH CAROLINA. HOWEVER...TORNADOES AND SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA. ALSO THUNDERSTORMS MOVING REPEAWTEDLY OVER THE SAME TERRAIN COULD PRODUCE FLOODING OF STREAMS AND LOW LYING AREAS. IF YOUR IN WESTERN NORTH CAROLINA...STAY TUNED TO NOAA WEATHER RADIO OR LOCAL TV AND RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CARPENTER
Special weather statement, Apr 29, 4:20 PM EDT, 21 minutes before
NCZ007-008-014-292120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLOTTE NC 420 PM EDT MON APR 29 1991 ...A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PORTION OF NORTH AND SOUTH CAROLINA UNTIL 9 PM TONIGHT... AT 415 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED NEWLY DEVELOPED STRONG THUNDERSTORMS OVER NORTHERN CLEVELAND COUNTY AND WESTERN LINCOLN COUNTY. THESE STORMS WERE ABOUT 40 MILES NORTHWEST OF CHARLOTTE. THE STORMS WERE MOVING NORTHEAST AT AROUND 30 MPH. THESE THUNDERSTORMS WILL LIKELY BE ACCOMPANIED BY HEAVY DOWNPOURS ... STRONG GUSTY WINDS ... AND DEADLY LIGHTNING. IN ADDITION ... PERIODS OF HEAVY RAIN MAY BE ENOUGH TO CAUSE FLOODING OF LOW LYING AREAS THROUGHO*UT THIS AFTERNOON AND EVENING. EVERYONE IS ENCOURAGED TO STAY TUNED TO NOAA WEATHER RADIO OR COMMERCIAL RADIO OR TELEVISION FOR ADDITIONAL UPDATES ON THESE STORMS. THE NEXT STATEMENT WILL BE ISSUED AROUND 520 PM EDT. MATT
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 8:17 PM EDT | Severe Thunderstorm Warning | GSP | Union | 58 min |
| Apr 29, 4:03 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 57 min |
| Apr 29, 5:26 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 64 min |
| Apr 29, 6:15 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 30 min |
| Apr 29, 6:28 PM EDT | Severe Thunderstorm Warning | GSP | Greenwood | 47 min |
| Apr 29, 7:03 PM EDT | Tornado Warning | GSP | Greenwood | 27 min |
| Apr 29, 7:33 PM EDT | Tornado Warning | GSP | Greenwood | 57 min |
| Apr 29, 7:49 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg | 56 min |
| Apr 29, 7:54 PM EDT | Flash Flood Warning | GSP | Greenville | 4 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.