Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 120, NWS Greenville-Spartanburg, SC

July 19, 2000Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 19, 2000, 6:08 PM EDT for Madison County, North Carolina. It was in force for 37 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
Jul 19, 2000, 6:08 PM EDT (22:08 UTC)
Expired
Jul 19, 2000, 6:45 PM EDT
In force
37 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Madison County, NC

The radar

The Knoxville radar (KMRX), 71 km from the middle of the area, began a volume at 22:12 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.1 hours before the alert went out and 254 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 2000-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 2000-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
54 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
1404 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
49 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 
WUUS52 KGSP 192209
SVRGSP
NCC115-192245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
608 PM EDT WED JUL 19 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 645 PM EDT

* AT 608 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 13 MILES NORTHWEST
  OF MARSHALL...OR ABOUT 4 MILES NORTH OF HOT SPRINGS...MOVING
  SOUTHEAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALLENSTAND AT 615 PM EDT
  WHITEROCK AT 615 PM EDT
  WALNUT AT 620 PM EDT
  MARSHALL AT 625 PM EDT
  MARS HILL AT 635 PM EDT

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM.

$$

MCAVOY

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.

NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 19, 3:04 PM EDT, 3 hours 4 minutes earlier.

Area forecast discussion, Jul 19, 3:04 PM EDT, 3 hours 4 minutes before
SCZ001>014-019-NCZ033>037-048>059-062>072-082-GAZ010-017-018-026-028-
029-200204-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
304 PM EDT WED JUL 19 2000

EVEN THOUGH SHORTWAVE MOVG THRU FCST AREA...CONVECTION DISSIPATING.
EXPECT SOME REDEVELOPMENT OVER W ZONES WHERE SFC HEATING MAKING AREA
LESS STABLE...AND OVER FAR E ZONES AS SYSTEM MOVES INTO LESS STABLE
AIRMASS. EXPECT MOST CONVECTION TO BE OUT OF AREA BY SUNSET SO HAVE
LOWERED POPS TO 20 PCNT FOR TONIGHT FCST. ONCE THIS SYSTEM E OF
AREA...DO NOT EXPECT HI POPS UNTIL FRI NIGHT INTO SAT AS NEXT SIG
SHRTWV DROPS SE INTO CWA. LATER PDS REMAIN UNSETTLED.

FCSTID = 77
GSP   65  90  66  90 /  20   0   0  20
AND   65  92  67  91 /  20   0   0  20
CLT   65  89  66  89 /  20   0   0  20
HKY   63  88  66  88 /  20   0   0  20
AVL   62  84  64  85 /  20   0   0  20

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000Every severe thunderstorm warning in 2000

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; radar from the NEXRAD Level II archive.