Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 99, NWS Greenville-Spartanburg, SC

June 25, 2000Avery County, Mitchell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 25, 2000, 2:42 PM EDT for Avery County, Mitchell 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 25, 2000, 2:42 PM EDT (18:42 UTC)
Expired: Jun 25, 2000, 3:30 PM EDT
In force: 48 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

Counties Avery County, NC, Mitchell County, NC

The radar

The Knoxville radar (KMRX), 123 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 193 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: 306 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1112 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 11 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 251843
SVRGSP
NCC011-121-251930-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MITCHELL COUNTY IN WESTERN NORTH CAROLINA
  SOUTHWESTERN AVERY COUNTY IN WESTERN NORTH CAROLINA

* UNTIL 330 PM EDT

* AT 242 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 4 MILES SOUTH OF SPRUCE PINE...MOVING NORTHEAST AT 5
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SPRUCE PINE AT 255 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.

$$
SAB

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 25, 2:27 PM EDT, 15 minutes earlier.

Area forecast discussion, Jun 25, 2:27 PM EDT, 15 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
227 PM EDT MON JUN 25 2000

LARGER SCALE ASCENT/DPVA IN ASSOCIATION WITH ELONGATED VORT AXIS
HELPING TO ENHANCE/ORGANIZE SCT STRONG & ISOLATED SVR TSTMS ACRS
THE WESTERN 1/3 OF THE CWFA. THRU TONIGHT...THIS FEATURE LOSES IT'S
EASTWARD TRANSLATION AS IT BUMPS INTO SUBTROPICAL UPPER RIDGE...
CENTERED WELL OUT IN THE ATLANTIC. WITH THIS FEATURE LINGERING
THRU TONIGHT...ACTIVITY MAY PAST DIURALLY FAVORED TIMEFRAME.

THROUGH THE REST OF THE SHORT RANGE PERIOD...CWFA TO REMAIN IN
WEAKNESS BETWEEN UPPER RIDGES CENTERED IN THE ATLANTIC & OVER THE
SOUTHWEST U.S. PERIODIC WEAK S/WV'S ROTATING THROUGH BROAD UPPER
TROUGH WILL CONTINUE TO BRUSH REGION...SO CHC POPS WILL CONTINUE.

IN THE EXTENDED...MEDIUM RANGE MODELS TRENDING TOWARDS AMPLIFYING
PATTERN THRU THE END OF THE WEEK & DRIVING A FRONTAL ZONE INTO THE
CWFA. TOUGH TO ASERTAIN SOUTHWARD EXTEN
T OF BNDRY BY DAY 5...BUT
NONETHELESS WITH TROUGHINESS & SYNOPTIC SCALE FRONTAL ZONES IN
VCNTY...POPS NEEDED FOR DAYS 3-5.

AVL  63/85/64/84 3434
CLT  68/91/68/90 3333
GSP  69/92/69/91 3333

.GSP...NONE.

CSH

In the hours before

Local storm report, Jun 25, 2:07 PM EDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
207 PM EDT SUN JUN 25 2000

TIME (EDT) .....CITY LOCATION....... ST   ...EVENT/REMARKS...
           .....COUNTY LOCATION.....

150 PM     WEAVERVILLE               NC   WIND DAMAGE
06/25/00   BUMCOMBE                       TREES/POWER LINES DOWN. 1
                                          HOME DAMAGED.

150 PM     SKYLAND                   NC   WIND DAMAGE
06/25/00   BUNCOMBE                       TREES DOWN...1 ON A HOUSE.

150 PM     BILTMORE                  NC   WIND DAMAGE
06/25/00   BUMCOMBE                       POWER LINES DOWN.

150 PM     BARNARDSVILLE             NC   WIND DAMAGE
06/25/00   BUNCOMBE                       POWER LINES AND TREES
                                          DOWN. 1 TREE ON A HOUSE.

150 PM     ASHEVILLE                 NC   WIND DAMAGE
06/25/00   BUNCOMBE                       POWER LINES AND TREES
                                          DOWN.

ALL REPORTS FROM BUNCOMBE COUNTY COMMS

RWH
NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 1:52 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, McDowell, Yancey	53 min
Jun 25, 2:53 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell	42 min
Jun 25, 3:29 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	46 min
Jun 25, 5:22 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	38 min

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.