Alert archive / North Carolina / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 4, NWS Greenville-Spartanburg, SC

April 15, 1987Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 15, 1987, 2:30 PM EDT for Mecklenburg County, North Carolina. It was in force for 60 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
Apr 15, 1987, 2:30 PM EDT (18:30 UTC)
Expired
Apr 15, 1987, 3:30 PM EDT
In force
60 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
Apr 15, 3:06 PM EDTHail 0.75Mecklenburg, NC
Apr 15, 3:35 PM EDTHail 0.75Mecklenburg, 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, 6.5 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 1987-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 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 1987-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 236 square meters per square second.193958Sfc1 km3 km6 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
616 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
236 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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, Apr 15, 8:51 AM EDT, 5 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
850 AM EDT WED APR 15 1987

...THE SEVERE THUNDERSTORM WATCH IS CANCELLED FOR OCONEE..PICKENS..
   AND ANDERSON COUNTIES OF SOUTH CAROLINA...
...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE REMAINING UPSTATE
   COUNTIES OF SOUTH CAROLINA UNTIL 10AM EDT...

AT 8.45 AM SHOWERS AND THUNDERSTROMS WERE SCATTERED OVER UNION..
SPARTANBURG..CHEROKEE..AND LAURENS COUNTY.  THE HEAVIEST RAIN WAS
INDICATED OVER NORTHERN SPARTANBURG COUNTY.

THE SHOWERS AND STORMS WERE MOVING TO THE EAST AROUND 20 MPH.

ALL PERSONS IN THE EASTERN PIEDMONT OF SOUTH CAROLINA SHOULD REMAIN
ALERT...AND BE READY TO TAKE IMMEDIATE ACTION IF THREATENING WEATHER
APPROACHES.

TO REPORT SEVERE WEATHER AND DAMAGES...ASK ANY LAW ENFORCEMENT
AGENCY TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
MUSGROVE
Special weather statement, Apr 15, 10:52 AM EDT, 3 hours 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREER SC
1050 AM EDT WED APR 15 1987

...TORNADO WATCH IN EFFECT UNTIL 3PM FOR PORTIONS OF CENTRAL
   AND EASTERN SOUTH CAROLINA...INCLUDING CHEROKEE COUNTY...

AT 10.45 AM WEATHER RADAR DETECTED NO PRECIPITATION OCCURRING
WITHIN THE UPSTATE AREA OF SOUTH CAROLINA.

REMEMBER....A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS TO DEVELOP IN AND CLOSE TO
THE WA'TCH AREA. PERSONS IN THESE AREAS SHOULD BE ALERT FOR
THREATENING WEATHER CONDITIONS.. AND LISTEN FREQUENTLY TO NOAA
WEATHER RADIO FOR THE LATEST BULLETINS.
MUSGROVE
Special weather statement, Apr 15, 12:00 PM EDT, 2 hours 30 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 2:44 AM EDTSevere Thunderstorm WarningGSPCherokee56 min
Apr 15, 3:56 AM EDTSevere Thunderstorm WarningGSPClay64 min
Apr 15, 8:42 AM EDTSevere Thunderstorm WarningGSPPolk58 min
Apr 15, 11:17 AM EDTTornado WarningGSPMecklenburg63 min
Apr 15, 4:09 PM EDTSevere Thunderstorm WarningGSPMecklenburg31 min
Apr 15, 4:54 PM EDTSevere Thunderstorm WarningGSPMecklenburg46 min
Apr 15, 5:34 PM EDTSevere Thunderstorm WarningGSPUnion56 min
Apr 15, 5:59 PM EDTSevere Thunderstorm WarningGSPMecklenburg51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.