Alert archive / North Carolina / Tornado Warnings in 1999

Tornado Warning 7, NWS Greenville-Spartanburg, SC

September 29, 1999Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this tornado warning at Sep 29, 1999, 7:15 PM EDT for Cabarrus County, North Carolina. It was in force for 35 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 29, 1999, 7:15 PM EDT (23:15 UTC)
Expired
Sep 29, 1999, 7:50 PM EDT
In force
35 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Cabarrus County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.3 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 1999-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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 1999-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 106 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
196 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
106 m²/s²
0-3 km storm-relative helicity
94 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 KGSP 292316 RRA
TORGSP
NCC025-292350-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
715 PM EDT WED SEP 29 1999

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* TORNADO WARNING FOR...
  EXTREME EASTERN CABARRUS COUNTY IN NORTH CAROLINA

* UNTIL 750 PM EDT

* AT 714 PM...AREA LAW ENFORCEMENT REPORTED A TORNADO 10 MILES
  SOUTHEAST OF CONCORD OR NEAR GEORGEVILLE...MOVING NORTHEAST 20
  MPH.


* THE TORNADO IS EXPECTED TO BE NEAR...


TORNADOES IN THE SOUTHEASTERN STATES ARE SOMETIMES HARD TO SEE
BECAUSE OF RAIN...LOW CLOUDS...AND TREES.  TAKE COVER NOW...DO NOT
TRY TO WAIT ON THE STORM AND DO NOT TRY TO OUTRUN IT.

$$
MOYER


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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this tornado warning went out at Sep 29, 2:06 PM EDT, 5 hours 9 minutes earlier.

Area forecast discussion, Sep 29, 2:06 PM EDT, 5 hours 9 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
206 PM EDT WED SEP 29 1999

SURFACE FRONT AND STRONG UPPER TROF MAKING NICE PROGRESSION EASTWARD.
STLT...RADAR AND AVAILABLE FORECAST MODELS SHOW THAT BEST DYNAMICS
WILL REMAIN N OF FORECAST AREA. HOWEVER...SOME STRONG CONVECTION IS
STILL EXPECTED LATE THIS AFTERNOON AND EVENING. EFFICIENT RAIN
PRODUCING CELLS AND STRONG GUSTY WINDS WITH INCREASING PRESSURE
GRADIENT ARE MAIN FORECAST ISSUES FOR TONIGHTS PACKAGE. WILL GO WITH
WIND ADVISORY FOR MOUNTAINS INTO NC FOOTHILLS AND A LAKE WIND
ADVISORY MOST OTHER ZONES TONIGHT INTO THU. ALTHOUGH SOME HEAVY RAIN
IS EXPECTED...WIDESPREAD PROBLEMS ARE NOT. WILL CONTINUE TO MONITOR
RADAR...RAIN/RIVER GAUGE AND SPOTTER NETWORK FOR POTENTIAL RUNOFF
PROBLEMS.

WITH MODELS IN FAIRLY GOOD AGREEMENT...EXPECT UPPER TROF TO BE
THROUGH BULK OF CWA BY MIDNIGHT WITH WINDS PICKING UP QUICKLY AND
SKIES CLEARING RAPIDLY. AS HIGH PRESSURE BUILDS OVER AREA LATE THU
AND INTO THE WEEKEND...DEWPOINTS DROP OFF INTO 40S AND EVEN SOME MID
30S.

AVL 53/67/39/69 +00
CLT 60/75/50/74 +00
GSP 58/74/50/73 +00

.GSP...WIND ADVISORY TONIGHT AND THURSDAY FOR MOUNTAINS AND SOME NC
FOOTHILLS.

RB

Nearby

Tornado Warnings in North Carolina, 1999Every tornado warning in 1999Tornadoes in 1999

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.