Alert archive / South Carolina / Flash Flood Warnings in 1990
Flash Flood Warning 31, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Sep 13, 1990, 7:03 AM EDT for Oconee County, South Carolina. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1990, 7:03 AM EDT (11:03 UTC)
- Expired
- Sep 13, 1990, 10:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Oconee 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 00:00Z, 11.1 hours before the alert went out and 92 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
- NaN m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 82 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 131104 FFWGSP SCC073-131400- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 703 AM EDT THU SEP 13 1990 THE NATIONAL WEATHER SERVICE IN GREENVILLE SPARTANBURG HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CAROLINA ...SOUTHERN OCONEE COUNTY WEATHER RADAR INDICATES THAT NEAR 3 INCHES OF RAIN HAVE FALLEN OVER SOUTHERN OCONEE COUNTY DURING THE PAST 3 HOURS. THE OCONEE COUNTY SHERIFFS DEPARTMENT REPORTS FLOODING IS OCCURRING ON MANY ROADS...STREETS...AND STREAMS. THUNDERSTORMS SHOULD CONTINUE TO BRING HEAVY RAINFALL TO THE SOUTHERN OCONEE COUNTY AREA AND FLOODING IS APT TO CONTINUE UNTIL LATER THIS MORNING. THESE STORMS WERE MOVING NORTHEAT AT ABOUT 15 MPH. 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. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND.
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, Sep 13, 6:32 AM EDT, 31 minutes before
SCZ001-002-131110- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 630 AM EDT THU SEP 13 1990 ...THUNDERSTORMS WITH VERY HEAVY OVER UPSTATE SOUTH CAROLINA... AT 625 AM EDT WEATHER RADAR INDICATED THUNDERSTORMS SOME WITH VERY HEAVY RAINFALL OVER OCONEE AND SOUTHERN PICKENS COUNTIES. THE HEAVIEST RAINFALL WAS BETWEEN WALHALLA AND FAIR PLAY IN OCONEE COUNTY AND BETWEEN PICKENS AND CLEMSON IN PICKENS COUNTY. THESE STORMS WERE MOVING NORTHEAST AT 15 MPH. AT 625 AM OCONEE COUNTY SHERIFFS DEPARTMENT REPORTED SMALL STREAMS AND SOME STREETS WERE FLOODING IN CENTRAL AND SOUTHERN OCONEE COUNTY. OTHER THUNDERSTORMS OVER NORTHEAST GEORGIA SHOULD BE MOVING INTO OCONEE AND PICKENS COUNTIES DURING THE NEXT FEW HOURS. IF RAINFALL CONTINUES TO BE HEAVY A FLASH FLOOD WARNING MAY BE NEEDED. PEOPLE SHOULD BE ALERT AND TAKE ACTION IF WATER BEGINS TO RISE. INTENSE LIGHTNING HAS ALSO BEEN REPORTED IN THESE AREAS WITH THESE STORMS. ROBBINS
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.