Alert archive / North Carolina / Tornado Warnings in 1990

Tornado Warning 14, NWS Greenville-Spartanburg, SC

May 21, 1990Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at May 21, 1990, 8:14 PM EDT for Union County, North Carolina. It was in force for 46 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
May 21, 1990, 8:14 PM EDT (00:14 UTC)
Expired
May 21, 1990, 9:00 PM EDT
In force
46 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, NC

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
May 21, 8:25 PM EDTHail 0.75Union, NC

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, 0.2 hours before the alert went out and 134 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 1990-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
37 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 KCLT 220017
TORCLT
NCC179-220100-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLOTTE NC
814 PM EDT MON MAY 21 1990
 
THE NATIONAL WEATHER SERVICE IN CHARLOTTE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL NORTH CAROLINA
          ...UNION
 
AT 815 PM EDT ... CHARLOTTE WEATHER RADAR INDICATED A TORNADO OVER
EXTREME SOUTHEASTERN UNION COUNTY OF NORTH CAROLINA. THIS STORM WAS
MOVING TOWARD THE EAST AND THE TOWNS OF JACKSON AND TRINITY AT ABOUT
20 MPH.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHER(WISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
 
CLARK

What forecasters said that day

The local office's own words before this tornado 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, May 21, 4:44 PM EDT, 3 hours 30 minutes before
NCZ 07-09-010-011-012-013-212200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
444 PM EDT MON MAY 21 1990

...HEAVY THUNDERSTORMS OVER THE SOUTHERN FOOTHILLS...

AT 440 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED TWO HEAVY
THUNDERSTORMS OVER THE SOUTHERN FOOTHILLS OF NORTH CAROLINA. ONE WAS
NEAR TRYON IN POLK COUNTY AND ANOTHER NEAR RUTHERFORTON IN RUTHERFORD
COUNTY. THE STORMS ARE MOVING EAST AT AROUND 30 MPH.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS..HEAVY
DOWNPOURS AND DANGEROUS CLOUD TO GROUND LIGHTNING. PERSONS IN THE PATH
OF THESES STORM SHOULD REMAIN ALERT AND BE READY TO SEEK SHELTER
IMMEDIATELY.
GRC
Special weather statement, May 21, 5:17 PM EDT, 2 hours 57 minutes before
SCZ001>004-212215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
515 PM EDT MON MAY 21 1990

...POSSIBILITY OF SEVERE WEATHER IN UPSTATE SOUTH CAROLINA
THIS EVENING...

THE ATMOSPHERE OVER THE SOUTHEAST CONTINUES TO BE VERY UNSTABLE.
AT 510 PM EDT WEATHER RADAR SHOWED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER WESTERN GEOGRIA...MOVING TO THE WEST AT 25 MPH.
OVER NORTH CAROLINA THUNDERSTORMS WERE DEVELOPING BETWEEN ASHEVILLE
AND CHARLOTTE.

THUNDERSTORM SHOULD BEGIN TO MOVE INTO THE UPSTATE AREA OF SOUTH
CAROLINA LATER THIS AFTERNOON.

PEOPLE IN UPSTATE SOUTH CAROLINA SHOULD LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARINGS. BE PREPARED TO SEEK SAFE SHELTER IF THREATENING
WEATHER APPROACHES YOUR AREA.
VALVERDE
Special weather statement, May 21, 5:45 PM EDT, 2 hours 29 minutes before
SCZ001>004-212230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
543 PM EDT MON MAY 21 1990

A STRONG THUNDERSTORM HAS DEVELOPED IN NORTHWEST CHEROKEE COUNTY.  THIS
STORM DEVELOPED AS AN OUTGROWTH OF A STORM WHICH HAS PRODUCED SEVERE
WEATHER IN SHELBY COUNTY NORTH CAROLINA.

AT 538 PM THE CHEROKEE COUNTY SHERIFF DEPARTMENT REPORTED SMALL HAIL
ALREADY FALLING NEAR COWPENS.  THE STORM WAS MOVING EAST SOUTHEAST AND A
WARNING COULD BECOME NECESSARY IN CHEROKEE COUNTY SHORTLY IF THE STORM
BECOMES SEVERE.

LISTEN FOR LATER INFORMATION.

JONES
Special weather statement, May 21, 5:50 PM EDT, 2 hours 24 minutes before
SCZ001>004-212230-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
543 PM EDT MON MAY 21 1990

A STRONG THUNDERSTORM HAS DEVELOPED IN NORTHWEST CHEROKEE COUNTY.  THIS
STORM DEVELOPED AS AN OUTGROWTH OF A STORM WHICH HAS PRODUCED SEVERE
WEATHER NEAR SHELBY NORTH CAROLINA.

AT 538 PM THE CHEROKEE COUNTY SHERIFF DEPARTMENT REPORTED SMALL HAIL
ALREADY FALLING NEAR COWPENS.  THE STORM WAS MOVING EAST SOUTHEAST AND A
WARNING COULD BECOME NECESSARY IN CHEROKEE COUNTY SHORTLY IF THE STORM
BECOMES SEVERE.

LISTEN FOR LATER INFORMATION.

JONES
Special weather statement, May 21, 7:18 PM EDT, 56 minutes before
NCZ 07-09-010-011-012-013-220100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
718 PM EDT MON MAY 21 1990

...SHOWERS AND THUNDERSTORMS CONTINUE ACROSS WESTERN NORTH CAROLINA...

AT 710 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SHOWERS AND
THUNDERSTORMS..SOME HEAVY..WIDELY SCATTERED ACROSS THE REGION. THE
STRONGEST THUNDERSTORM WAS LOCATED NEAR LAKE JAMES IN WESTERN BURKE
COUNTY. THE SHOWERS AND THUNDERSTORMS ARE MOVING EAST AT AROUND 25 MPH.

SOME OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS..HEAVY
DOWNPOURS..DANGEROUS CLOUD TO GROUND LIGHTNING AND POSSIBLY SOME SMALL
HAIL. PEOPLE ACROSS WESTERN NORTH CAROLINA SHOULD REMAIN ALERT TONIGHT
AND BE READ1Y TO TAKE ACTION FOR SAFETY IF THREATENING WEATHER
APPROACHES.
COLE
Special weather statement, May 21, 7:35 PM EDT, 39 minutes before
NCZ007-NCZ008-220030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLOTTE NC
730 PM EDT MON MAY 21 1990

AT 725 PM EDT ...  CHARLOTTE WEATHER RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN ALONG THE BORDER BETWEEN NORTH AND SOUTH CAROLINA ...
BUT MOSTLY IN YORK COUNTY OF THE PALMETTO STATE.  THESE THUNDERSTORMS
WERE MOVING TOWARD THE EAST AT ABOUT 15 MPH.

SHOWERS AND THUNDERSTORMS HAD ALSO MOVED INTO THE WESTERN CAROLINAS.
THESE STORMS TOO WERE MOVING TOWARD THE EAST AT ABOUT 15 MPH.

MOVEMENT OF THESE STORMS WILL BRING THUNDERSTORMS POSSIBLY
ACCOMPANIED BY STRONG WINDS ... SOME HAIL ... AND DANGEROUS LIGHTNING
INTO SOUTHERN UNION COUNTY OF NORTH CAROLINA BEFORE 8 PM EDT.  SEVERE
WEATHER HAD BEEN REPORTED IN CONNECTION WITH THESE STORMS AS THEY
MOVED ACROSS YORK COUNTY OF SOUTH CAROLINA.  EVERYONE IN THE PATH OF
THESE STORMS SHOULD BE ALERT TO THE POSSIBLE OCCURRENCE OF SEVERE
WEATHER AND BE PREPARED TO TAKE IMMEDIATE ACTION.

NO SEVERE WEATHER HAD BEEN REPORTED WITH THE THUNDERSTORMS OVER THE
WESTERN CAROLINAS ... BUT THEY MAY BE ACCOMPANIED BY GUSTY WINDS ...
AND LIGHTNING AS THEY MOVE ACROSS THE PIEDMONT CAROLINAS LATER THIS
EVENING.

THE NEXT STATEMENT WILL RBE ISSUED BY THIS OFFICE AROUND 830 PM EDT.

CLARK

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 8:34 PM EDTSevere Thunderstorm WarningGSPLincoln56 min

Nearby

Tornado Warnings in North Carolina, 1990Every tornado warning in 1990Tornadoes 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.