Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 4, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Feb 13, 2000, 10:38 PM EST for Graham County, Swain County, North Carolina. It was in force for 62 min. 2 reports 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
- Feb 13, 2000, 10:38 PM EST (03:38 UTC)
- Expired
- Feb 13, 2000, 11:40 PM EST
- In force
- 62 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
Counties Graham County, NC, Swain County, NC
The radar
The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 03:39 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 13, 11:00 PM EST | Thunderstorm Wind 55 E | Countywide, NC | |
| Feb 13, 11:15 PM EST | Thunderstorm Wind 55 E | Countywide, 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.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.6 hours before the alert went out and 240 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 384 m²/s²
- 0-3 km storm-relative helicity
- 528 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
492 WUUS52 KGSP 140338 SVRGSP NCC075-173-140440- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1038 PM EST SUN FEB 13 2000 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GRAHAM COUNTY IN WESTERN NORTH CAROLINA SWAIN COUNTY IN WESTERN NORTH CAROLINA * UNTIL 1140 PM EST * AT 1035 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES WEST OF ROBBINSVILLE...MOVING EAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... TAPOCO AT 1045 PM ROBBINSVILLE AT 1055 PM BRYSON CITY AT 1115 PM SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO OVER 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. $$ RWH N
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 Feb 13, 9:57 PM EST, 41 minutes earlier.
Area forecast discussion, Feb 13, 9:57 PM EST, 41 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
957 PM EST SUN FEB 13 2000
REPORTS FROM MACON AND GRAHAM COUNTIES INDICATE VERY WINDY
CONDITIONS WITH SOME TREES DOWN FROM GRADIENT WINDS. RABUN COUNTY
ALSO VERY WINDY. FLAT TOP MTN HAS SUSTAINED WINDS IN THE 30S. WILL
ISSUE WIND ADVISORY TO ALL MNT ZONES AS STRONG WINDS SHOULD CONTINUE
TONIGHT AHEAD OF THE SFC FNT.
DATA INDICATE WEDGE HOLDING STRONG ACROSS CWFA. TEMPS ARE STEADY OR
MAYBE A DEGREE OR TWO HIGHER THAN THIS AFTERNOON. WINDS BRIEFLY
SHIFTED TO THE SOUTHEAST...BUT ARE NOW BACK TO THE EAST NORTHEAST.
INVERSION STILL QUITE DEEP AT GSO BUT SHALLOW AT FFC. 18Z ETA LI
FIELD SHOWS STABLE AIR TO REMAIN OVER CWFA UNTIL COLD FROPA
MONDAY...ALTHOUGH THERE WILL BE SOME SHRINKAGE FROM THE SOUTH AND
EAST. DO NOT SEE MUCH THAT WOULD ERODE THE WEDGE UNTIL THEN. BEST
DYNAMICS FCST TO MOVE NORTH AND SOUTH OF THE CWFA AND 00Z UPR AIR
CHARTS SUPPORT THIS. HOWEVER ENOUGH LIFT...MOISTURE AND SHEAR DO
WORK OVER THE COLD DOME TO SUPPORT THUNDER. DO NOT EXPECT MUCH
SEVERE...XCPT MAYBE ALONG THE SRN FRINGE OF THE CWFA OR THE NC MTNS
WHERE STABLE LAYER IS SHALLOWER...AND TSRA FROM THE WEST WILL NOT
WEAKEN UNTIL REACHING THE HIGHER TERRAIN. CURRENT CAT POP FCST STILL
GOOD.
WILL HAVE TO ADJUST TEMP WORDING ACROSS MOST OF CWFA. TEMPS WILL
HOLD STEADY MOST OF THE NIGHT AND MIGHT RISE TOWARD MORNING. WINDS
MAY SHIFT TO SE AS WELL BUT FULL SHIFT WILL HOLD OFF UNTIL FROPA.
.GSP...WIND ADVISORY NCZ033-048>053-058-059-062>065-SCZ001>003-
GAZ010-017.
RWHIn the hours before
Local storm report, Feb 13, 9:34 PM EST, 1 hour 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
934 PM EST SUN FEB 13 2000
TIME (EST) .....CITY LOCATION....... ST ...EVENT/REMARKS...
.....COUNTY LOCATION.....
910 PM COUNTY WIDE NC NON TSTM WINDS
02/13/00 MACON COUNTY COMMUNICATIONS -
SEVEN REPORTS OF TREES
BLOWN DOWN ACROSS THE
COUNTY SINCE ABOUT 8 PM.
JONES
NNNNThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 13, 11:17 PM EST | Severe Thunderstorm Warning | GSP | Macon | 48 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.