Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 7, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 16, 1990, 8:57 PM EST for Greenwood County, South Carolina. It was in force for 33 min. 1 report 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
- Mar 16, 1990, 8:57 PM EST (01:57 UTC)
- Expired
- Mar 16, 1990, 9:30 PM EST
- In force
- 33 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Greenwood 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 |
|---|---|---|---|
| Mar 16, 9:02 PM EST | Thunderstorm Wind 0 | Greenwood, 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 00:00Z, 2.0 hours before the alert went out and 111 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
- 60 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 953 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 428 m²/s²
- 0-3 km storm-relative helicity
- 525 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KGSP 170157
SVRGSP
SCC047-059-170300-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREER SC
857 PM EST FRI MAR 16 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1000 PM EST FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF SOUTH CAROLINA
GREENWOOD...LAURENS
THE MOST INTENSE PORTION OF THE LINE OF SEVERE THUNDERSTORMS
CONTINUES TO MOVE ACROSS THE UPSTATE AND WILL AFFECT THE WARNED
AREAS SHORTLY. AT ABOUT 830 PM...THERE WAS A REPORT OF A MOBILE
HOME BLOWN OVER IN THE IVA AREA OF SOUTHERN ANDERSON COUNTY.
NO TORNADOES HAVE BEEN CONFIRMED IN THE UPSTATE. THE TORNADO
WARNING IS CANCELLED FOR ABBE>VILLE AND ANDERSON COUNTIES. THE
STORMS HAVE NOW MOVED EAST OF THOSE AREAS.
LARGE SEVERE THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE AS A SMALL
TORNADO.
JONESWhat 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 16, 3:11 PM EST, 5 hours 46 minutes before
SCZ001>004-162115- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREER SC 310 PM EST FRI MAR 16 1990 ...FLASH FLOOD WATCH FOR THE SOUTH CAROLINA MOUNTAINS AND FOOTHILLS TONIGHT AND SATURDAY... AT 315 THIS AFTERNOON WEATHER RADAR NOTED A ONE TO TWO HOUR BREAK IN THE RAIN ACROSS NORTHEASTERN GEORGIA AND THROUGH OCONEE COUNTY OF SOUTH CAROLINA. ELSEWHERE...LIGHT TO MODERATE RAIN WAS FALLING IN THE UPSTATE AREAS OF THE PALMETTO STATE...WITH& A FEW HEAVY RAIN SHOWERS IN GREENVILLE AND SPARTANBURG COUNTIES. THE RAIN WAS MOVING NORTHEAST...WITH LITTLE CHANGE. MUSGROVE
Special weather statement, Mar 16, 7:19 PM EST, 1 hour 38 minutes before
SCZ001>004-170200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 720 PM EST FRI MAR 16 1990 ...SOME SEVERE WEATHER CONTINUES TO BE REPORTED FROM THE LINE OF THUNDERSTORMS WHICH IS MOVING TOWARD THE UPSTATE... AT 715 PM EST THE LINE OF STORMS STRETCHED FROM NORTH OF ATHENS TO NEAR MACON AND CONTINUED MOVING EAST ABOUT 30 MPH. THE NORTHERN END OF THE LINE COULD AFFECT OCONEE COUNTY IN SOUTH CAROLINA AROUND 800 PM...AND THE MOST INTENSE PART OF THE LINE COULD AFFECT THE ANDERSON/ABBEVILLE COUNTIES AREA BETWEEN 800 PM AND 900 PM. IT IS NOT CLEAR WHETHER THIS LINE OF STORMS WILL MAINTAIN SEVERITY. THE NATIONAL WEATHER SERVICE WILL CAREFULLY MONITOR THE PROGESS 3OF THIS WEATHER SYSTEM. IN ADDITION...FLASH FLOOD WARNINGS COULD BECOME NECESSARY IN PARTS OF THE UPSTATE DURING THE EVENING. JONES
Special weather statement, Mar 16, 8:20 PM EST, 37 minutes before
NCZ 010-011-012-013-170315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 820 PM EST FRI MAR 17 1990 AT 810 PM WEATHER SERVICE RADAR SHOWED VERY STRONG THUNDERSTORMS IN SOUTHERN MACON COUNTY. THIS WAS PART OF A LINE OF STORMS EXTENDING SOUTHWARD THROUGH WESTERN SOUTH CAROLINA AND EASTERN GEORGIA. THE LINE WAS MOVING EAST AT 50 MPH. THESE STORMS WILL MOVE ACROSS MACON..JACKSON..TRANSYLVANIA..HENDERSON.. POLK AND RUTHERFORD COUNTIES DURING THE NEXT SEVERAL HOURS. THESE MAY PRODUCE STRONG GUSTY WINDS AND HEAVY RAIN IN ADDITION TO DANGEROUS LIGHTNING. IF THREATENING WEATHER APPROACHES YOUR AREA MOVE INSIDE A STRONG BUILDING UNTIL THE STORM HAS PASSED. HM
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 8:12 PM EST | Tornado Warning | GSP | Anderson | 63 min |
| Mar 16, 8:16 PM EST | Tornado Warning | GSP | Abbeville | 59 min |
| Mar 16, 8:57 PM EST | Severe Thunderstorm Warning | GSP | Laurens | 63 min |
| Mar 17, 4:47 AM EST | Flash Flood Warning | GSP | Greenville | 118 min |
| Mar 17, 6:07 AM EST | Flash Flood Warning | GSP | Greenville, Pickens | 3 hr |
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.