Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 26, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 10, 1990, 8:35 PM EDT for Greenville County, South Carolina. It was in force for 25 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
- Apr 10, 1990, 8:35 PM EDT (00:35 UTC)
- Expired
- Apr 10, 1990, 9:00 PM EDT
- In force
- 25 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Greenville 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 |
|---|---|---|---|
| Apr 10, 8:44 PM EDT | Thunderstorm Wind 85 | 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 00:00Z, 0.6 hours before the alert went out and 135 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
- 299 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 218 m²/s²
- 0-3 km storm-relative helicity
- 299 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 10, 5:14 PM EDT, 3 hours 21 minutes before
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</html>Special weather statement, Apr 10, 6:24 PM EDT, 2 hours 11 minutes before
SCZ001>004-110000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 622 PM EDT TUE APR 10 1990 ...TORNADO WATCH UNTIL 1100 PM EDT FOR OCONEE AND PICKENS COUNTIES... AT 615 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS ACROSS NORTHEASTERN AND NORTH CENTRAL GEORGIA. THE LINE WAS MOVING EAST ABOUT 45 MPH AND THE NORTHERN END COULD AFFECT OCONEE COUNTY BY ABOUT 700 PM. THIS NORTHERN END APPEARS TO HAVE WEAKENED SOMEWHAT SINCE 500 PM BUT COULD REGAIN STRENGTH. MOST REPORTS OF SEVERE WEATHER ASSOCIATED WITH THIS LINE OF STORMS HAVE BEEN DAMAGING WINDS WITH A FEW REPORTS OF HAIL. CONDITIONS REMAIN SOMEWHAT FAVORABLE FOR TORNADOES...ESPECIALLY THE SMALLER TYPE WHICH CAN DEVELOP QUICKLY. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. JONES
Special weather statement, Apr 10, 7:21 PM EDT, 1 hour 14 minutes before
SCZ001>004-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 720 PM EDT TUE APR 10 1990 ...TORNADO WATCH UNTIL 1100 PM EDT FOR OCONEE AND PICKENS COUNTIES... ...SEVERE THUNDERSTORM WATCH FOR REMAINDER OF UPSTATE UNTIL MIDNIGHT... AT 710 PM EDT WEATHER RADAR SHOWED THAT THUNDERSTORMS HAD MOVED INTO OCONEE COUNTY AND WERE MOVING EAST ABOUT 35 MPH. A LINE OF SEVERE THUNDERSTORMS EXTENDED SOUTHWEST THROUGH A GOOD PART OF GEORGIA. THE MOST INTENSE THUNDERSTORMS WERE NEARING THE ATHENS GEORGIA AREA. THIS PART OF THE LINE HAS PRODUCED WIND DAMAGE AND NUMEROUS REPORTS OF LARGE HAIL SINCE 600 PM. BASED ON THE CURRENT MOVEMENT...THIS PORTION OF THE LINE COULD MOVE ACROSS HARTWELL LAKE INTO WESTERN ANDERSON COUNTY BETWEEN 800 PM AND 830 PM AND ACROSS ABBEVILLE COUNTY SHORTHLY THEREAFTER. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WAJ
Special weather statement, Apr 10, 7:57 PM EDT, 38 minutes before
SCZ001>004-110100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 756 PM EDT TUE APR 10 1990 ...TORNADO WATCH NO LONGER IN EFFECT IN SOUTH CAROLINA... ...SEVERE THUNDERSTORM WATCH FOR ALL OF UPSTATE SOUTH CAROLINA EXCEPT OCONEE COUNTY UNTIL MIDNIGHT... AT 750 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS FROM WESTERN SECTIONS OF PICKENS COUNTY TO WEST OF ANDERSON AND THEN EXTENDING SOUTHWEST TO THE ATHENS GEORGIA AREA. THIS LINE HAS MOVED THROUGH OCONEE COUNTY WITH NO REPORTS OF SEVERE WEATHER. THE MOST INTENSE THUNDERSTORMS WERE IN THE ATHENS AREA MOVING TOWARD THE EAST. SOME OF THESE STORMS CONTINUE TO PRODUCE REPORTS OF WIND DAMAGE AND LARGE HAIL. THE WIND GUSTED TO 48 MPH AT THE NATIONAL WEATHER SERVICE OFFICE IN ATHENS AT 746 PM. PEOPLE IN ANDERSON...ABBEVILLE...AND GREENWOOD COUNTIES SHOULD FOLLOW THE PROGRESS OF THESE STORMS CAREFULLY. WAJ
Special weather statement, Apr 10, 8:24 PM EDT, 11 minutes before
SCZ001>004-110200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 824 PM EDT TUE APR 10 1990 ...SEVERE THUNDERSTORM WATCH FOR ALL OF UPSTATE SOUTH CAROLINA EXCEPT OCONEE COUNTY UNTIL MIDNIGHT... AT 815 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS FROM WESTERN SECTIONS OF GREENVILLE COUNTY EXTENDING SOUTHWEST THROUGH ANDERSON AND INTO GEORGIA. GUSTS TO AROUND 40 MPH WERE REPORTED IN CLEMSON BY THE AGRICULTURAL METEOROLOGIST AS THE LINE PASSED THERE. THE MOST INTENSE STORMS WERE SOUTH OF THERE IN GEORGIA. A STRONG THUNDERSTORM COMPLEX WAS APPROACHING ABBEVILLE COUNTY /WILL ENTER AT ABOUT 835 PM/ AND A SEVERE THUNDERSTORM WARNING COULD BE REQUIRED T=HERE IF IT STRENGTHENS. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. WAJ
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 9:58 PM EDT | Severe Thunderstorm Warning | GSP | Gaston | 32 min |
| Apr 10, 8:39 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 61 min |
| Apr 10, 9:16 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee | 44 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.