Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 84, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 1, 1990, 5:06 PM EDT for Greenville County, Spartanburg County, South Carolina. It was in force for 54 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
- Jul 1, 1990, 5:06 PM EDT (21:06 UTC)
- Expired
- Jul 1, 1990, 6:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Greenville County, SC, Spartanburg County, SC
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 1, 5:20 PM EDT | Hail 1.75 | Spartanburg, SC | |
| Jul 1, 5:22 PM EDT | Hail 1.25 | Spartanburg, SC | |
| Jul 1, 5:30 PM EDT | Thunderstorm Wind 0 | Greenville, 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, 9.1 hours before the alert went out and 148 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
- 914 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1350 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KGSP 012108 SVRGSP SCC045-083-012200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 506 PM EDT SUN JUL 1 1990 THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CAROLINA ...SOUTHEASTERN GREENVILLE COUNTY...SOUTHERN SPARTANBURG COUNTY NUMEROUS REPORTS OF HAIL HAVE BEEN RECEIVED FROM THE FIVE FORKS AREA EAST OF SIMPSONVILLE AROUND 500 PM. THIS STORM WILL MOVE ALONG THE GREENVILLE-SPARTANBURG COUNTY BORDER. THERE IS ALSO POTENTIAL FOR DAMAGING WINDS. A WARNING MAY SOON BE REQUIRED FOR LAURENS COUNTY. @ 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 ANY THUNDERSTORM. JONES
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, Jul 1, 3:04 PM EDT, 2 hours 2 minutes before
SCZ001>004-012000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 300 PM EDT SUN JUL 01 1990 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 900 PM EDT... AT 250 PM EDT WEATHER RADAR SHOWED THUNDERSTORMS AND SHOWERS DEVELOPING OVER THE UPSTATE OF SOUTH CAROLINA. THE STRONGEST STORM WAS OVER NORTHERN CHEROKEE COUNTY. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN EASTERN TENNESSEE AND SOUTHWEST NORTH CAROLINA. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. THESE STORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. VALVERDE
Special weather statement, Jul 1, 3:48 PM EDT, 1 hour 18 minutes before
NCZ007-008-012000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLOTTE NC 348 PM EDT SUNDAY JUL 1 1990 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A LARGE PART OF NORTH AND SOUTH CAROLINA UNTIL 9PM EDT. THIS WATCH INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING COUNTIES IN NORTH CAROLINA ... CLEVELAND ... CATAWBA ... LINCOLN ... GASTON ... MECKLENBURG ... CABARRUS ... STANLY ... MONTGOMERY ... IREDELL AND ROWAN ... AND THE SOUTH CAROLINA COUNTIES OF ... CHEROKEE ... YORK ... CHESTER ... AND LANCASTER. AT 345 PM EDT ... CHARLOTTE WEATHER RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN OVER THE NORTH CAROLINA MOUNTAINS AND NORTHERN PIEDMONT AND OVER NORTHWESTERN SOUTH CAROLINA. A THUNDERSTORM WITH VERY HEAVY RAIN OVER CENTRAL CHEROKEE COUNTY OF SOUTH CAROLINA HAD DRIFTED SLOWLY TOWARD THE SOUTHEAST INTO EXTREME WESTERN YORK COUNTY. THIS THUNDERSTORM WILL BE ACCOMPANIED BY FREQUENT LIGHTNING AND TORRENTIAL DOWNPOURS. RADAR ALSO DETECTED A THUNDERSTORM WITH VERY HEAVY RAIN OVER CENTRAL GASTON COUNTY AND OVER SOUTHERN MECKLENBURG COUNTY ... BOTH IN NORTH CAROLINA. ALL OF THE PRECIPITATION WAS MOVING TOWARD THE SOUTHEAST AT BETWEEN 15 AND 20 MPH. THIS MOVEMENT WILL BRING SHOWERS AND VERY HEAVY THUNDERSTORMS OVER ALL OF YORK COUNTY AND INTO CHESTER AND LANCASTER COUNTIES OF SOUTH CAROLINA BEFORE 5 PM. THE THUNDERSTORM OVER GASTON COUNTY WILL MOVE INTO ACROSS THE CATAWBA RIVER ... POSSIBLY GATHERING ADDITIONAL STRENGTH AS IT INVADES WESTERN MECKLENBURG COUNTY AROUND 445 PM. THE THUNDERSTORM OVER SOUTHERN MECKLENBURG COUNTY WILL MOVE INTO WESTERN UNION COUNTY OF NORTH CAROLINA BETWEEN 430 AND 445 PM EDT. SPOTTY SHOWERS WERE BEGINNING TO FORM ELSEWHERE IN THE UNSTABLE AIR OVER THE PIEDMONT CAROLINAS. THOUGH A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THIS EVENING ... MANY AREAS WILL RECEIVE BENEFICIAL AND MUCH NEEDED AN AMATEUR RADIO OPERATOR REPORTED CUMULONIMBUS MAMMATUS OCCURRING OVER ALEXANDER COUNTY OF NORTH CAROLINA JUST WEST OF BARRETTS MOUNTAIN AT 315 PM EDT. AN AMATEUR RADIO OPERATOR REPORTED NEAR BLOWING ROCK REPORTED PEA SIZED HAIL ... GUSTY WINDS ... AND TORRENTIAL RAINS OCCURRING NEAR LENOIR WITH A NEARLY IDENTICAL REPORT RECEIVED FROM BLOWING ROCK AT 330 PM EDT. THE OFFICIAL IN CHARGE OF THE CHARLOTTE OFFICE REPORTED HAIL BETWEEN 1/4 AND 1/2 INCH ... GUSTY WINDS ... TORRENTIAL RAINS ... AND SOME ROAD FLOODING AT BOONE BETWEEN 327 AND 330 PM EDT. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE SUCH TO FAVOR SEVERE THUNDERSTORM DEVELOPMENT. IF SEVERE WEATHER IS DETECTED A WARNING WILL BE ISSUED. STAY TUNED TO RADIO OR CONTINUE TO WATCH TELEVISION TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS. THE NEXT STATEMENT WILL BE ISSUED BY THIS OFFICE JUST BEFORE 6 PM EDT. CLARK
Special weather statement, Jul 1, 3:53 PM EDT, 1 hour 13 minutes before
SCZ001>004-012000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 355 PM EDT SUN JUL 01 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EDT... AT 351 PM EDT WEATHER RADAR SHOWED THUNDERSTORMS AND SHOWERS MOVING ACROSS THE UPSTATE OF SOUTH CAROLINA. THE STRONGEST STORMS WERE OVRE NORTHEAST GREENVILLE AND NORTH SPARTANBURG COUNTIES. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. PEA TO MARBLE SIZE HAS BEEN REPORTED WITH THESE STORMS. THESE STORMS MAY PRODUCE DAMAGING WINDS...LARGE HAIL AND FREQUENT LIGHTNING. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. VALVERDE
Special weather statement, Jul 1, 4:00 PM EDT, 1 hour 6 minutes before
NCZ 007-009-010-011-012-013-012200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 400 PM EDT SUN JUL 01 1990 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9 PM... AT 4 PM WEATHER SERVICE RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS ENTERING GRAHAM AND CHEROKEE COUNTIES IN WESTERN NORTH CAROLINA. THIS CLUSTER PRODUCED LARGE HAIL IN EAST TENNESSEE. THEY WERE MOVING SOUTHEAST AROUND 25 MILES AN HOUR. BETWEEN 3 AND 4 THIS AFTERNOON SEVERAL REPORTS OF SMALL HAIL AND GUSTY WINDS CAME INTO THE ASHEVILLE OFFICE. THESE INCLUDED LENIOR IN CALDWELL COUNTY..BOONE AND BLOWING ROCK IN WATAUGA COUNTY AND WEST JEFFERSON IN ASHE COUNTY. PERSONS ALL ACROSS WESTERN NORTH CAROLINA SHOULD STAY ALERT AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY UNTIL THE THREAT OF SEVERE WEATHER HAS PASSED. KEEP ABREAST OF THE LASTEST FORECASTS...STATEMENTS AND POSSIBLE WANINGS. AS
Special weather statement, Jul 1, 4:32 PM EDT, 34 minutes before
SCZ001>004-012130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 430 PM EDT SUN JUL 01 1990 ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1100 PM EDT... AT 425 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS AND SHOWERS FROM CENTRAL PICKENS THROUGH GREENVILLE TO SOUTH CHEROKEE COUNTIES IN SOUTH CAROLINA. THE STRONGEST STORMS WERE IN EAST SPARTANBURG AND SOUTH CHEROKEE COUNTIES. OTHER STRONG STORMS WERE LOCATED IN WEST NORTH CAROLINA. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 25 MILES AN HOUR. PEA TO MARBLE SIZE HAS BEEN REPORTED WITH THESE STORMS. THESE STORMS MAY PRODUCE DAMAGING WINDS LARGE HAIL AND FREQUENT LIGHTNING.LISTEN FOR LATER STATEMENTS# AND POSSIBLE WARNINGS. VALVERDE
Local storm report, Jul 1, 4:49 PM EDT, 17 minutes before
DELAYED STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
448 PM EDT SUN JUL 1 1990
348 PM EDT SPARTANBURG COMMS REPORTED DIME HAIL NEAR BOILING
SPRINGS.
JONES
,The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 5:23 PM EDT | Severe Thunderstorm Warning | GSP | Laurens | 52 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 1990Every severe thunderstorm warning in 1990
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.