Alert archive / South Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 28, NWS Greenville-Spartanburg, SC

April 10, 1990Cherokee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 10, 1990, 9:16 PM EDT for Cherokee County, South Carolina. It was in force for 44 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, 9:16 PM EDT (01:16 UTC)
Expired
Apr 10, 1990, 10:00 PM EDT
In force
44 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

TimeReportWhereRemark
Apr 10, 9:40 PM EDTThunderstorm Wind 0Cherokee, 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 00:00Z, 1.3 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.

Skew-T log-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 00:00Z on 1990-04-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 1990-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 225 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
6 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
1198 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
225 m²/s²
0-3 km storm-relative helicity
473 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGSP 110116
SVRGSP
SCC021-110200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GREER SC
916 PM EDT TUE APR 10 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE STATE OF SOUTH CAROLINA
      CHEROKEE

A LINE OF THUNDERSTORMS WAS MOVING ACROSS SPARTANBURG COUNTY AT 915
PM EDT...AND NUMEROUS REPORTED OF WIDESPREAD DAMAGE WITH HIGH WINDS
AND HEAVY RAINS WERE RECIEVED FROM NORTHERN SPARTANBURG COUNTY.

LARGE SEVERE THUNDERSTORMS CAN CAUSE AS MUCH DAMAGE AS A SMALL
TORNADO.

SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO OVER 100 MPH.
THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE
MOBILE HOMES...AND SOMETIMES LARGE BUILDINGS. LARGE HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

 MUSGROVE

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, 6:24 PM EDT, 2 hours 52 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 55 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, 1 hour 19 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, 52 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
Local storm report, Apr 10, 8:47 PM EDT, 29 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
843 PM EST TUE APR 10 1990

820 PM EDT    MT. TABOR COMMUNITY ABOUT 10 NORTH OF EASLEY IN
              PICKENS COUNTY.  TREES DOWN AND POiSSIBLY SOME
              MOBILE HOMES TURNED OVER.  ONE EYEWITNESS REPORTED
              FUNNEL CLOUD /DEFINITELY ALOFT/.

WAJ
Local storm report, Apr 10, 8:52 PM EDT, 24 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
850 PM EST TUE APR 10 1990

844 PM EDT    TIGERVILLE/BLUE RIDGE NORTHERN GREENVILLE COUNTY.
              SHERIFFS DEPT AND SPOTTERS REPORnT NUMEROUS TREES
              AND POWER LINES DOWN WITH POWER OUTAGES.  SHERIFF
              DEPARTMENT REPORT NUMEROUS ALARMS GOING OFF EASTSIDE.

WAJ

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 10, 8:35 PM EDTSevere Thunderstorm WarningGSPGreenville25 min
Apr 10, 8:39 PM EDTSevere Thunderstorm WarningGSPSpartanburg61 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.