Alert archive / South Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 29, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 21, 1990, 5:44 PM EDT for Laurens County, South Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1990, 5:44 PM EDT (21:44 UTC)
- Expired
- Aug 21, 1990, 8:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Laurens 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
Athens Municipal, GA (KAHN), launched 12:00Z, 9.7 hours before the alert went out and 133 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
- 1505 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1149 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 9 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 212146 FFWGSP SCC059-212345- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 544 PM EDT TUE AUG 21 1990 THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 845 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CAROLINA ...CENTRAL AND EASTERN LAURENS COUNTY REPORTS HAVE BEEN RECEIVED FROM LAURENS COUNTY SHERIFFS OFFICE OF FLOODING IN THE CITY OF LAURENS. VERY HEAVY RAINFALL CONTINUES TO FALL IN CENTRAL AND EASTERN PORTIONS OF LAURENS COUNTY. THE STORMS PRODUCING THIS RAIN WERE DRIFTING VERY SLOWLY TOWARD THE EAST. LOWLAND AREAS SUBJECT TO FLOODING SHOULD BE EVACUATED. PEOPLE IN AREAS THAT ARE PRONE TO FLOODING SHOULD BE ALERT FOR RAPIDLY RISING WATER...AND GO TO HIGHER GROUND IMMEDIATELY. FLOOD PRONE URBAN AREAS FILL WITH WATER QUICKLY. CLOGGED STORM DRAINS MAY CAUSE OTHER AREAS TO FLOOD. DO NOT DRIVE THROUGH FLOOD WATER AND STAY AWAY FROM STORM DRAINS.
What forecasters said that day
The local office's own words before this flash flood 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, Aug 21, 2:07 PM EDT, 3 hours 37 minutes before
NCZ009-010-011-012-212000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 200 PM EDT TUE AUG 21 1990 ...VERY HEAVY THUNDERSTORMS DEVELOPING IN WESTERN NORTH CAROLINA... AT 145 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED HEAVY THUNDERSTORMS DEVELOPING IN SECTIONS OF WESTERN NORTH CAROLINA. THE HEAVIEST STORMS WERE LOCATED NEAR MARSHALL AND SPRUCE PINE. THESE STORMS ARE MOVING TOWARD THE EAST AT ABOUT 25 MILES AN HOUR. OTHER STORMS ARE DEVELOPING AND MAY INTENSIFY REACHING SEVERE LIMITS LATER THIS AFTERNOON PRODUCING HEAVY RAIN...STRONG AND GUSTY WINDS.. HAIL AND DANGEROUS LIGHTNING. BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE READY TO REACT IF A STXORM APPROACHES OR IF A WARNING IS ISSUED. STAY TUNED TO THE NATIONAL WEATHER SERVICE RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS...FOR YOU WILL HEAR IT FIRST ON THE NATIONAL WEATHER SERVICE RADIO. SLUDER
Special weather statement, Aug 21, 2:45 PM EDT, 2 hours 59 minutes before
NCZ 007-009-010-011-012-013-220200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 245 PM EDT TUE AUG 21 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH NUMBER 667 FOR PARTS OF WESTERN AND CENTRAL NORTH CAROLINA EFFECTIVE UNTIL 1000 PM EDT. IN WESTERN NORTH CAROLINA THE WATCH INCLUDES THE FOLLOWING COUNTIES... MCDOWELL...AVERY...BUNCOMBE...TRANSYLVANIA...JACKSON...ASHE...POLK... MITCHELL...HAYWOOD...CHEROKEE...MACON...BURKE...RUTHERFORD...WATAUGA... HENDERSON...CLAY...SWAIN...CALDWELL...YANCEY...MADISON AND GRAHAM. REMEMBER...SEVERE THUNDERSTORMS AFE POSSIBLE IN AND NEAR THE WATCH AREA...PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND BE READY TO REACT IF A WARNING IS ISSUED. AMATEUR RADIO OPERATORS AND OTHER SPOTTER GROUPS IN AND NEAR THE WATCH AREA ARE REQUESTED TO RELAY STORM INFORMATION TO THE NATIONAL WEATHER SERVICE. STAY TUNED TO THE NATIONAL WEATHER SERVICE RADIO FOR THE LATEST STATEMENTS AND POSSIBLE WARNINGS. SLUDER
Special weather statement, Aug 21, 3:12 PM EDT, 2 hours 32 minutes before
SCZ001>004-212010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 310 PM EDT TUE AUG 21 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1000 PM INCLUDES ALL UPSTATE COUNTIES... ...VERY HEAVY RAINFALL LIKELY IN SOME AREAS... AT 300 PM WEATHER RADAR SHOWED THUNDERSTORMS DEVELOPING OVER PARTS OF THE UPSTATE. THE STRONGEST STORMS WERE IN EXTREME EASTERN GREENWOOD COUNTY AND IN NORTHERN SPARTANBURG COUNTY. THERE WERE MANY OTHER STORMS DEVELOPING QUICKLY OVER THE REMAINDER OF THE AREA. THERE HAVE NOT BEEN ANY REPORTS OF DAMAGING WINDS OR LARGE HAIL YET. THAT WILL BECOME MORE LIKELY INTO THE LATE AFTERNOON AND EVENING. HOWEVER...THE STORMS WHICH HAVE DEVELOPED SO FAR HAVE SHOWN VIRTUALLY NO MOVEMENT. THAT MEANS LARGE AMOUNTS OF RAIN WILL BE RECEIVED IN A SHORT TIME IN SOME COMMUNITIES. LOCAL FLOODING PROBLEMS COULD OCCUR AS A RESULT. IF THE THUNDERSTORM DEVELOPMENT OCCURS OVER A FAIRLY LARGE AREA...ADVISORIES AND EVEN WARNINGS FOR FLOODING COULD BECOME NECESSARY. IN THE MEANTIME...MOTORISTS SHOULD NOT DRIVE INTO FLOODED AREAS WHICH MAY DEVELOP. PEOPLE SHOULD BE CAUTIOUS AS THUNDERSTORMS DEVELOP OR APPROACH. THESE STORMS CAN BECOME SEVERE RAPIDLY AND PRODUCE DAMAGING WINDS OR LARGE HAIL WITH LITTLE TIME FOR WARNING. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JONES
Special weather statement, Aug 21, 3:45 PM EDT, 1 hour 59 minutes before
SCZ001>004-212045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 343 PM EDT TUE AUG 21 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1000 PM INCLUDES ALL UPSTATE COUNTIES... ...STRONG THUNDERSTORMS APPROACHING CHESNEE FROM THE NORTHWEST... AT 340 PM WEATHER RADAR SHOWED STRONG THUNDERSTORMS APPROACHING THE CHESNEE AREA OF NORTHERN SPARTANBURG AND NORTHERN CHEROKEE COUNTIES. SOME SEVERE WEATHER HAS BEEN REPORTED FROM A LINE OF SEVERE THUNDERSTORMS IN THE ASHEVILLE AREA IN NORTH CAROLINA. A PART OF THIS LINE APPEARED TO BE DROPPING SOUTHEAST TOWARD THE UPSTATE. WARNINGS COULD BE REQUIRED SOON IN THE UPSTATE IF DEVELOPMENT CONTINUES. LISTEN FOR LATER STATEMENT S AND POSSIBLE WARNINGS. JONES
Special weather statement, Aug 21, 4:48 PM EDT, 56 minutes before
NCZ008-181945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLOTTE NC 445 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF WESTERN AND CENTRAL NORTH AND SOUTH CAROLINA. THIS INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING NORTH CAROLINA COUNTIES ... CLEVELAND ... CATAWBA ... LINCOLN ... GASTON ... MECKLENBURG ... CABARRUS ... UNION ... ANSON ... STANLY ... MONTGOMERY ... RICHMOND ... IREDELL ... AND ROWAN. IN SOUTH CAROLINA THIS WATCH INCLUDES ... BUT IS NOT LIMITED TO ... CHEROKEE ... YORK ... CHESTER ... AND LANCASTER. AT 4:35 PM EDT ... CHARLOTTE WEATHER RADAR SHOWED NUMEROUS SHOWERS AND THUNDERSTORMS SCATTERED OVER THE MOUNTAINS ... PIEDMONT ... AND SANDHILLS OF NORTH CAROLINA AND OVER WESTERN SOUTH CAROLINA. THUNDERSTORMS WITH HEAVY RAIN WERE OVER CENTRAL CLEVELAND AND NORTHWESTERN GASTON COUNTIES OF NORTH CAROLINA. THESE THUNDERSTORMS WERE MOVING TOWARD THE SOUTH ABOUT 5 MPH. THIS MOVEMENT WILL BRING THUNDERSTORMS WITH HEAVY RAIN INTO THE TOWNS OF GASTONIA AND KINGS MOUNTAINS ... BOTH IN NORTH CAROLINA. THUNDERSTORMS WITH VERY HEAVY RAINS WERE ALSO OVER ANSON COUNTY OF NORTH CAROLINA. THIS THUNDERSTORM WAS MOVING TOWARD THE SOUTHEAST AND THE TOWN OF WADESBORO AT ABOUT 5 MPH. MANY REPORTS OF HEAVY RAINS ... SMALL HAIL ... STRONG AND GUSTY WINDS ... AND FREQUENT LIGHTNING HAVE BEEN RECEIVED THIS AFTERNOON. EVERYONE IN THE WATCH AREA SHOULD TAKE THIS OPPORTUNITY TO SECURE ANY LOOSE OBJECTS THAT MIGHT BECOME AIRBORNE. REPORT ANY SEVERE WEATHER TO YOUR LOCAL POLICE DEPARTMENT AND REQUEST THEM TO RELAY THE INFORMATION TO THE NATIONAL WEATHER SERVICE. AT 3:18 PM EDT ... AN AMATEUR RADIO OPERATOR NEAR THE TOWN OF LONGVIEW IN SOUTHWESTERN CATAWBA COUNTY OF NORTH CAROLINA REPORTED HAIL BETWEEN ONE QUARTER AND ONE HALF INCH. AT 3:38 PM EDT ... AN AMATEUR RADIO OPERATOR NEAR THE TOWN OF DELLWOOD IN CLEVELAND COUNTY OF NORTH CAROLINA REPORTED HAIL BETWEEN ONE QUARTER AND ONE HALF INCH. AT 3:57 PM EDT ... AN AMATEUR RADIO OPERATOR REPORTED HAIL BETWEEN ONE QUARTER AND ONE HALF INCH FALLING NEAR THE TOWN OF FALLSTON IN CLEVELAND COUNTY OF NORTH CAROLINA. AT 3:59 PM EDT ... AN AMATEUR RADIO OPERATOR 4 MILES NORTH OF THE TOWN OF CHERRYVILLE IN LINCOLN COUNTY REPORTED HAIL FALLING BETWEEN ONE QUARTER AND ONE HALF INCH AND WINDS ESTIMATED BETWEEN 39 AND 46 MPH. THE NEXT STATEMENT WILL BE ISSUED BY THIS OFFICE AROUND 645 PM EDT ... UNLESS WORSIENING WEATHER REQUIRES AN EARLIER ISSUANCE. CLARK
Special weather statement, Aug 21, 5:24 PM EDT, 20 minutes before
SCZ001>004-212220- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 522 PM EDT TUE AUG 21 1990 ...SEVERE THUNDERSTORM WATCH UNTIL 1000 PM INCLUDES ALL UPSTATE COUNTIES... A STRONG THUNDERSTORM WEST OF THE GREENVILLE-SPARTANBURG AIRPORT WAS PRODUCING AN UNUSUAL AMOUNT OF INTENSE CLOUD TO GROUND LIGHTNING AT 520 PM. THIS STORM WILL SLOWLY MOVE INTO THE GREER AREA. IT WAS ALSO PRODUCING VERY HEAVY RAINFALL. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JONES
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 4:27 PM EDT | Severe Thunderstorm Warning | GSP | Union | 41 min |
| Aug 21, 5:31 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 44 min |
Nearby
Flash Flood Warnings in South Carolina, 1990Every flash flood 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; the sounding from the Mesonet's radiosonde archive.