Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 70, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 9, 1990, 3:21 PM EDT for Cherokee County, South Carolina. It was in force for 69 min. 2 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
- Jun 9, 1990, 3:21 PM EDT (19:21 UTC)
- Expired
- Jun 9, 1990, 4:30 PM EDT
- In force
- 69 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Cherokee 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 |
|---|---|---|---|
| Jun 9, 3:46 PM EDT | Hail 0.75 | Cherokee, SC | |
| Jun 9, 4:10 PM EDT | Thunderstorm Wind 0 | Cherokee, 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.4 hours before the alert went out and 193 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
- 90 J/kg
- Mixed-layer CIN
- -241 J/kg
- Mixed-layer LCL
- 1456 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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, Jun 9, 1:28 PM EDT, 1 hour 53 minutes before
NCZ007-009-010-011-012-013-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ASHEVILLE NC 128 PM EDT SAT JUN 9 1989 ...THUNDERSTORMS ON THE INCREASE OVER WESTERN NORTH CAROLINA... AT 125 PM EDT WEATHER SERVICE RADAR INDICATED THUNDERSTORMS ON THE INCREASE ACROSS THE MOUNTAINS OF WESTERN NORTH CAROLINA. THE STRONGEST STORMS WERE JUST SOUTHEAST OF THE ASHEVILLE AIRPORT IN HENDERSON COUNTY AND NEAR ANDREWS IN CHEROKEE COUNTY. MOVEMENT WAS TOWARD THE EAST AT APPROXIMATELY 10 MPH. STRONG GUSTY WINDS AND DANGEROUS LIGHTNING ARE ASSOCIATED WITH THESE STORMS IN ADDITION TO THE HEAVY DOWNPOURS AND POSSIBLY SOME SMALL HAIL. IF THREATENING WEATHER APPROACHES SEEK SAFE SHELTER IMMEDIATELY. STAY TUNED TO LOCAL TV...RADIO OR NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS. GRC
Special weather statement, Jun 9, 2:03 PM EDT, 1 hour 18 minutes before
SCZ001>004-091900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 200 PM EDT SAT JUN 09 1990 ...THUNDERSTORMS DEVELOPING OVER THE UPSTATE OF SOUTH CAROLINA AND WESTERN NORTH CAROLINA... THE ATMOSPHERE OVER THE CAROLINAS IS VERY WARM AND MOIST THIS AFTERNOON. THUNDERSTORMS ARE FORMING OVER THE MOUNTAINS AND FOOTHILLS OF THE CAROLINAS. THE STORMS ARE MOVING SLOWLY TO THE EAST SOUTHEAST. THE STRONGEST STORM IN THE UPSTATE AREA WAS IN CENTRAL OCONEE AND WEATERN PICKEN COUNTIES. THUNDERSTORMS MAY PRODUCE HEAVY RAIN...STRONG GUSTY WIND FREQUENT LIGHTING AND POSSIBLY SMALL HAIL. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. VALVERDE
Special weather statement, Jun 9, 2:46 PM EDT, 35 minutes before
SCZ001>004-091945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC 245 PM EDT SAT JUN 09 1990 ...THUNDERSTORMS DEVELOPING OVER THE AND MOVING INTO THE UPSTATE OF SOUTH CAROLINA... AT 235 PM EDT WEATHER RADAR SHOWED A SEVERE THUNDERSTORM IN POLK COUNTY IN NORTH CAROLINA. THIS STORM WAS MOVING TO THE EAST AT 10 MILES AN HOUR AND MAY MOVE INTO NORTHERN SPARTANBURG COUNTY AND CHEROKEE COUNTY IN SOUTH CAROLINA. THUNDERSTORMS MAY PRODUCE VERY HEAVY RAIN...STRONG GUSTY WIND... FREQUENT LIGHTING AND POSSIBLY SMALL HAIL. LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEEK SHELTER IF THREATENING WEATHER APPROACHES. VALVERDE
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:46 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 29 min |
| Jun 9, 2:26 PM EDT | Severe Thunderstorm Warning | GSP | Polk | 49 min |
| Jun 9, 2:58 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland | 32 min |
| Jun 9, 4:18 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 57 min |
| Jun 9, 5:07 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Laurens | 53 min |
| Jun 9, 6:24 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Oconee, Pickens | 66 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.