Alert archive / North Carolina / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 13, NWS Greenville-Spartanburg, SC

April 24, 1987Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 24, 1987, 1:08 PM EDT for Cabarrus County, North Carolina. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1987, 1:08 PM EDT (17:08 UTC)
Expired
Apr 24, 1987, 2:10 PM EDT
In force
62 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cabarrus County, NC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 5.1 hours before the alert went out and 97 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 1987-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 12:00Z on 1987-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 square meters per square second.193958Sfc1 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
11 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
128 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 241709
SVRCLT
NCC025-241810-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLOTTE NC
108 PM EDT FRI APR 24 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 210 PM EDT FOR THE FOLLOWING COUNTY OF
 
THE SOUTHERN PIEDMONT OF NORTH CAROLINA... CABARRUS
 
AT 1PM EDT ONE INCH HAIL WAS REPORTED IN CABARRUS COUNTY OF NORTY
CAROLINA NEAR THE CITY OF KANNAPOLIS. WEATHER RADAR SHOWED HEAVY
THUNDERSTORMS IN CABARRUS MOVING TOWARD THE NORTHEAST AT ABOUT 20 MPH.
 
THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL...HEAVY RAINS...
DAMAGING WINDS AND DANGEROUS LIGHTNING.
TUNE TO YOUR NOAA WEATHER RADIO STATION...WXL-70 OR 9YOUR FAVORITE
RADIO OR TELEVISION STATION FOR ADDITIONAL DETAILS ON THIS WARNING.
 
BP

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 24, 11:21 AM EDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
1020 AM EDT FRI APR 24 1987

...THUNDERSTORMS ARE DEVELOPING OVER NORTHERN PICKENS COUNTY...

RADAR SHOWS HEAVY THUNDERSTORMS IN THE NORTHERN PORTION OF PICKENS
COUNTY FROM ROCKY BOTTOM  TO PUMPKINTON.

STORMS WERE MOVING EAST AT 20 MPH.

THESE STORM CELLS MAY PRODUCE STRONG GUSTY WINDS...DANGEROUS LIGHTNING
AND POSSIBLY SOME HAIL AND HEAVY RAIN. PERSONS IN THE ABOVE MENTIONED
COUNTIES. SHOULD BE ALERT AND READY TO TAKE IMMEDIATE ACTION FOR SAFETY
IF THREATENING WEATHER APPROACHES.
OLIVER/GSP
Special weather statement, Apr 24, 12:06 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
1200 NOON EDT FRI APR 24 1987

...THUNDERSTORMS CONTINUE TO DEVELOP OVER UPSTATE SOUTH CAROLINA...

RADAR SHOWS A BAND OF THUNDERSTORMS...SOME VERY HEAVY...OVER THE UPSTATE
FROM NORTHERN GREENVILLE ACROSS CENTRAL PICKENS AND INTO CENTRAL OCONEE
COUNTIES OF SOUTH CAROLINA.  THESE STORMS WERE MOVING SOUTHEAST AT 20
MPH.

PEA SIZE HAIL HAS BEEN REPORTED BY A HAM RADIO OPERATOR NEAR DACSUSVILLE
IN NORTHEAST PICKENS COUNTY.

RESIDENTS SHOULD BE ALERT FOR HEAVY DOWNPOURS...STRONG GUSTY WINDS...
INTENSE LIGHTNING...AND SMALL HAIL WITH THE PASSAGE OF THESE STORMS.
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF NECESSARY.
ROBBINS/GSP
Special weather statement, Apr 24, 1:04 PM EDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
100 PM EDT FRI APR 24 1987

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

RADAR INDICATED SCATTERED THUNDERSTORMS...SOME VERY HEAVY...OVER THE
UPSTATE THIS AFTERNOON.  THE HEAVIEST STORMS WERE OVER THE SOUTHERN
HALF OF GREENVILLE COUNTY...NORTHERN ANDERSON COUNTY...AND IN PICKENS
COUNTY NEAR ROCKY BOTTOM AND CLEMSON.  THESE THUNDERSTORMS WERE MOVING
SOUTHEAST AT 20 MPH.

PEA SIZE HAIL WAS REPORTED BY A RESIDENT NEAR PIEDMONT AS A STORM
MOVED THROUGH NORTHEAST ANDERSON COUNTY.

RESIDENTS SHOULD BE ALERT FOR HEAVY DOWNPOURS...STRONG GUSTY WINDS...
INTENSE LIGHTNING...AND SMALL HAIL WITH THE PASSAGE OF THESE STORMS.
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF NECESSARY.
ROBBINS/GSP

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 2:05 PM EDTSevere Thunderstorm WarningGSPLincoln65 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1987Every severe thunderstorm warning in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.