Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 91, NWS Greenville-Spartanburg, SC

July 10, 1990Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 1990, 5:56 PM EDT for Mecklenburg County, North Carolina. It was in force for 49 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
Jul 10, 1990, 5:56 PM EDT (21:56 UTC)
Expired
Jul 10, 1990, 6:45 PM EDT
In force
49 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Mecklenburg 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
Jul 10, 6:10 PM EDTHail 1Mecklenburg, 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 12:00Z, 9.9 hours before the alert went out and 125 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 12:00Z on 1990-07-10Temperature 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 12:00Z on 1990-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
8 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-6 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 102155
SVRCLT
NCC119-102245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLOTTE NC
556 PM EDT TUE JUL 10 1990
 
THE NATIONAL WEATHER SERVICE IN CHARLOTTE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL NORTH CAROLINA
          ...MECKLENBURG
 
A SEVERE THUNDERSTORM WAS DETECTED ON WEATHER RADAR OVER SOUTHERN
MECKLENBURG COUNTY...JUST NORTH OF THE TOWN OF PINEVILLE. MOVEMENT WAS
TOWARDS THE EAST AT NEAR 10 MILES AN HOUR. THIS STORM HAS PRODUCED 1/2
HAIL OVER SOUTHERN CHARLOTTE.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL.E..DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
 
RNM

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, Jul 10, 3:24 PM EDT, 2 hours 32 minutes before
NCZ010-012-013-102020-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
325 PM EDT TUE  JUL 10 1990

STRONG THUNDERSTORMS WERE REPORTED ACROSS PARTS OF WESTERN NORTH
CAROLINA AT 315 THIS AFTERNOON.  A SEVERE THUNDERSTORM WAS NEAR TRYON
IN POLK COUNTY AND OTHER STRONG STORMS WERE IN JACKSON AND SWAIN
COUNTIES.

ONE HALF INCH HAIL WAS REPORTED BETWEEN FRANKLIN AND CULLOWHEE AND
PEA SIZE HAIL REPORTED BY RADIO STATION WBHN IN BRYSON CITY.

THE STONG STORMS CONTAINED A LOT OF DANGEROUS LIGHTNING..STRONG WINDS
AND HEAVY RAIN.  THE HEAVY RAIN MAY CAUSE MINOR FLOODING OF STREETS
AND LOW LYING AREAS.

IF THREATENING WEATHER APPROACHES YOUR AREA MOVE INSIDE A STRONG
BUILDING UNTIL THE STORM HAS PASSED.
HM
Special weather statement, Jul 10, 3:45 PM EDT, 2 hours 11 minutes before
SCZ001>004-102030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
345 PM EDT TUE JUL 10 1990

...THUNDERSTORMS SCATTERED ALONG THE SOUTH CAROLINA FOOTHILLS...

AT 335 PM SEVERAL THUNDERSTORMS WERE PRODUCING LOCALLY HEAVY
RAIN...FROM NEAR LAKE KEOWEE...TO TRAVELERS REST...TO INMAN...
TO CHESNEE. THE HEAVIEST RAIN WAS NOTED NEAR GREER AND LYMAN.

THE THUNDERSTORMS APPEAR TO BE DRIFTING SLOWLY TO THE SOUTHEAST
...MAYBE 5 TO 10 MILES AN HOUR.  A WIND GUST OF 35 MILES AN HOUR
WAS MEASURED AT THE GREENVILLE-SPARTANBURG AIRPORT AT 336 PM.

SOME OF THESE STORMS WILL BRING LIGHTNING...HEAVY DOWNPOURS...GUSTY
WIND...AND POSSIBLE HAIL...DURING THE NEXT TWO HOURS...TO CHEROKEE...
SPARTANBURG...GREENVILLE...AND ANDERSON COUNTIES.
MUSGROVE
Special weather statement, Jul 10, 4:16 PM EDT, 1 hour 40 minutes before
SCZ001>004-102110-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
415 PM EDT TUE JUL 10 1990

...THUNDERSTORMS SCATTERED OVER UPSTATE SOUTH CAROLINA...

AT 410 PM SEVERAL THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINFALL
OVER PORTIONS OF SPARTANBURG COUNTY EXTENDING INTO WESTERN CHEROKEE
COUNTY. ANOTHER AREA OF STORMS WITH VERY HEAVY RAINFALL WAS FROM
CENTRAL OCONEE COUNTY NEAR WALHALLA TO CLEMSON IN SOUTHERN PICKENS
COUNTY. THE AREAS OF HEAVIEST RAIN WERE NEAR MOORE...FROM CHESNEE TO
COWPENS...AND FROM WESTMINSTER TO CLEMSON. THESE STORMS WERE DRIFTING
VERY SLOWLY TOWARD THE SOUTHEAST. A WIND GUST OF 38 MILES AN HOUR WAS
MEASURED AT THE GREENVILLE-SPARTANBURG AIRPORT AT 346 PM EDT.

SOME OF THESE STORMS WILL BRING INTENSE LIGHTNING...HEAVY DOWNPOURS...
GUSTY WINDS...AND POSSIBLE HAIL DURING THE NEXT TWO HOURS. PEOPLE
NEAR THESE STORMS SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER
DEVELOPING IN A VERY SHORT PERIOD OF TIME DURING THE REMAINDER OF THIS
AFTERNOON AND EARLY THIS EVENING.

ROBBINS
Special weather statement, Jul 10, 4:43 PM EDT, 1 hour 13 minutes before
NCZ008-101943-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLOTTE NC
343 PM EDT TUE JULY 10 1990

...THUNDERSTORMS MOVING OVER NORTH CAROLINAS SOUTHERN PIEDMONT...

AT 343 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN MOVING OVER THE NORTH
CAROLINA COUNTIES OF CLEVELAND ... LINCOLN ... GASTON AND IREDELL.
THESE STORMS WERE MOVING TOWARDS THE SOUTHEAST AT AROUND 10 MPH.

NO DAMAGING WEATHER HAD BEEN REPORTED WITH THESE STORMS AS OF 343 PM
HOWEVER ... THE STORMS MAY BE ACCOMPANIED BY HEAVY DOWNPOURS ...
STRONG GUSTY WINDS ... DEADLY LIGHTNING AND SMALL HAIL.

EVERYONE IN THESE COUNTIES SHOULD BE AWARE OF THESE THUNDERSTORMS AND
BE PREPARED TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

THE NEXT SCHEDULED STATEMENT WILL BE ISSUED AROUND 443 UNLESS
CONDITIONS WORSEN.

MATT
Special weather statement, Jul 10, 5:02 PM EDT, 54 minutes before
SCZ001>004-102210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
500 PM EDT TUE JUL 10 1990

...SCATTERED THUNDERSTORMS CONTINUE OVER UPSTATE SOUTH CAROLINA...

AT 455 PM SCATTERED THUNDERSTORMS WERE PRODUCING VERY HEAVY RAINFALL
OVER PORTIONS OF UPSTATE SOUTH CAROLINA. THE STORMS WITH THE HEAVIEST
RAIN WERE IN SOUTHERN OCONEE COUNTY JUST SOUTH OF WESTMINSTER OVER
THE NORTH END OF LAKE HARTWELL. ANOTHER AREA OF STORMS WERE IN NORTHERN
LAURENS COUNTY BETWEEN GRAY COURT AND CROSS ANCHOR. THESE THUNDERSTORMS
WERE DRIFTING VERY SLOWLY TOWARD THE SOUTH AND SOUTHEAST.

SOME OF THESE STORMS WILL BRING INTENSE LIGHTNING...HEAVY DOWNPOURS...
GUSTY WINDS...AND POSSIBLE HAIL DURING THE NEXT TWO HOURS. ALSO
FLOODING OF SMALL STREAMS AND LOW LYING AREAS IS POSSIBLE DUE TO THE
SLOW MOVEMENT OF THESE STORMS. PEOPLE NEAR THESE STORMS SHOULD REMAIN
ALERT FOR POSSIBLE SEVERE WEATHER DEVELOPING IN A VERY SHORT PERIOD OF
(TIME DURING THE REMAINDER OF THIS AND EVENING.
ROBBINS
Special weather statement, Jul 10, 5:28 PM EDT, 28 minutes before
NCZ008-014-102300

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLOTTE NC
525 PM EDT TUE JUL 10 1990

...THUNDERSTORMS PERSISTING OVER THE SOUTHERN PIEDMONT...

AT 520 THIS EVENING WEATHER RADAR DETECTED A THUNDERSTORM WITH HEAVY
RAINS OVER LINCOLN COUNTY ABOUT 5 MILES EAST OF LINCOLNTON AND
ANOTHER OVER EXTREME NORTHWEST CABARRUS COUNTY...JUST WEST OF
KANNAPOLIS. THESE STORMS WERE MOVING EAST AT NEAR 10 MILES AN HOURS.

HEAVY RAINS...STRONG GUSTING WINDS AND SOME SMALL HAIL WILL ACCOMPANY
THESE STORMS ALONG WITH DANGEROUS LIGHTNING.

THUNDERSTORM OCCURRENCE WITHIN THE IMMEDIATE VICINITY OF LAKE NORMAN
IS LIKELY AT LEAST THROUGH 700 THIS EVENING.  BOATERS ARE ADVISED TO$
STAY OFF LAKE NORMAN DUE TO THE LIGHTNING AND STRONG GUSTING WINDS.

THE NEXT STATEMENT WILL BE ISSUED SHORTLY BEFORE 700 THIS EVENING OR
SOONER SHOULD THREATENING CONDITIONS DEVELOP.

RNM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 3:00 PM EDTSevere Thunderstorm WarningGSPPolk60 min
Jul 10, 4:32 PM EDTSevere Thunderstorm WarningGSPCatawba43 min

Nearby

Severe Thunderstorm Warnings in North 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.