Alert archive / North Carolina / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 1, NWS Greenville-Spartanburg, SC

April 15, 1987Cherokee County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 15, 1987, 2:44 AM EDT for Cherokee County, North Carolina. It was in force for 56 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 15, 1987, 2:44 AM EDT (06:44 UTC)
Expired
Apr 15, 1987, 3:40 AM EDT
In force
56 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cherokee 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, 2:45 AM EDTThunderstorm Wind 0Cherokee, 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

Athens Municipal, GA (KAHN), launched 00:00Z, 6.7 hours before the alert went out and 149 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, Athens Municipal, GA at 00:00Z on 1987-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 569 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, Athens Municipal, GA at 00:00Z on 1987-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 square meters per square second.1939587897117Sfc1 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
569 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
646 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
369 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.8

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, 2:04 AM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ASHEVILLE NC
200 AM EDT WED  APR 15 1987

AT 130 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWS SEVERAL STRONG
THUNDERSTORMS IN NORTHERN GEORGIA..EASTERN TENNESSEE AND NORTHERN
SOUTH CAROLINA.

THESE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL MOVE
INTO WESTERN NORTH CAROLINA DURING THE NEXT HOUR.

SOME OF THESE STORMS ARE CAPABLE OF PRODUCING STRONG WINDS..BRIEF
HEAVY DOWNPOURS..AND DANGEROUS LIGHTNING.

PERSONS LIVING IN THE PATH OF THESE STORMS SHOULD SEEK SHELTER UNTIL
THEY PASS.

THE NEXT STATEMENT WILL BE ISSUED WHEN NEEDED.
OS

The office that day

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

IssuedProductOfficeCountiesLasted
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, 2:30 PM EDTSevere Thunderstorm WarningGSPMecklenburg60 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.