Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 95, NWS Greenville-Spartanburg, SC

June 21, 2000Buncombe County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 21, 2000, 5:27 PM EDT for Buncombe County, North Carolina. It was in force for 48 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: Jun 21, 2000, 5:27 PM EDT (21:27 UTC)
Expired: Jun 21, 2000, 6:15 PM EDT
In force: 48 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Buncombe County, NC

The radar

The Greer radar (KGSP), 86 km from the middle of the area, began a volume at 21:26 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, 9.5 hours before the alert went out and 243 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 468 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 498 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 68 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 212128
SVRGSP
NCC021-212215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
527 PM EDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 615 PM EDT

* AT 527 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 8 MILES NORTH OF
  ASHEVILLE...OR ABOUT 4 MILES SOUTHEAST OF WEAVERVILLE. THE STORM   
  WAS MOVING EAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SWANNANOA AT 555 PM EDT
  BLACK MOUNTAIN AT 600 PM EDT

SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE
WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE
HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

$$
HG/BWM

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 Jun 21, 1:30 PM EDT, 3 hours 57 minutes earlier.

Area forecast discussion, Jun 21, 1:30 PM EDT, 3 hours 57 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
130 PM EDT WED JUN 21 2000

THE SOUTHERN EXTENT OF AN UPPER TROF WILL CONTINUE TO BRUSH THE
REGION AS IT PROGRESSIVELY MOVES EASTWARD ACROSS THE EASTERN PART OF
THE COUNTRY. WEAK SHORT WAVES ROTATING THROUGH THE BOTTOM OF THE
TROF WILL AFFECT THE CWA LATE THIS AFTERNOON AND THIS EVENING...LATE
TONIGHT AND THEN AGAIN MIDDAY ON THURSDAY. SCATTERED SHOWERS AND
THUNDERSTORMS WILL ACCOMPANY THE SHORT WAVES AS THEY MOVE ACROSS THE
AREA...WITH THE BEST COVERAGE LATE IN THE DAY WHEN INSTABILITY IS
GREATEST. A LITTLE "Q" FORCING IN THE RIGHT ENTRANCE REGION TO THE
UPPER JET AND WEAK UPPER DIVERGENCE WILL ALSO SUPPORT SOME
CONVECTION THROUGH THURSDAY.

HIGH PRESSURE AND A LITTLE DRIER AIR IN THE MID AND UPPER LEVELS
WILL BUILD IN BRIEFLY FOR THE WEEKEND. BY THE END OF THE WEEKEND...
THE DEEPER MOISTURE AND UPPER TROF WILL RETURN TO THE AREA.
TEMPERATURES AT OR A LITTLE ABOVE NORMAL WILL CONTINUE THROUGH THE
WEEKEND.

PRELIMINARY NUMBERS FOR COORDINATION...
AVL 65/83/64/85 5/4/3/2
CLT 69/87/69/90 4/4/3/2
GSP 70/88/70/90 4/4/3/2

.GSP...NONE.

RBN

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000 Every 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.