Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 56, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 23, 2000, 5:45 PM EDT for Swain County, North Carolina. It was in force for 45 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
- May 23, 2000, 5:45 PM EDT (21:45 UTC)
- Expired
- May 23, 2000, 6:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Swain County, NC
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 23, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.8 hours before the alert went out and 253 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
- 30 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 1374 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
985 WUUS52 KGSP 232146 SVRGSP NCC173-232230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 545 PM EDT TUE MAY 23 2000 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SWAIN COUNTY IN WESTERN NORTH CAROLINA * UNTIL 630 PM EDT * AT 544 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 20 MILES NORTH OF BRYSON CITY...OR ABOUT 8 MILES NORTHWEST OF NEWFOUND GAP...MOVING EAST SOUTHEAST AT 45 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEWFOUND GAP AT 550 PM EDT BRYSON CITY AT 610 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. $$ MOORE
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 May 23, 2:30 PM EDT, 3 hours 15 minutes earlier.
Area forecast discussion, May 23, 2:30 PM EDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 230 PM EDT TUE MAY 23 2000 FORECAST CONTINUES TO LOOK A BIT MURKY FOR THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THROUGH THE CURRENT CYCLE. TRANSIENT UPPER LEVEL FEATURES PERSIST IN THE NW FLOW...WHILE THE STRONGEST FORCING AND BEST INSTABILITY REMAIN ACROSS THE LOWER OHIO AND TN VALLEYS. THE ETA AND AVN SOLUTIONS CONT TO LOOK MOST REASONABLE IN DEVELOPING STRONG UPWARD OMEGA OVER NE TN THIS EVENING NEAR UPPER DIVERGENCE REGION...DPVA ASSOC WITH WEAK VORT MAX...AND CONTINUED ISENTROPIC UPGLIDE IN 304 TO 308 K LAYER. THIS LOOKS LIKE A MUCH CLOSER BRUSH OF THE BEST CONVECTION TO THE NC MTNS THAN WE SAW LAST NIGHT. WILL PUT LIKELY TO CATEGORICAL POPS IN THE NC MTNS TONIGHT AND ALLOW POPS TO FALL OFF SHARPLY TOWARD THE SOUTHEAST. NRN TIER LOOKS LIKE THE BEST BET FOR PRECIP OF ALL FOOTHILL/PIEDMONT ZONES WITH THE MORE NORTHERLY TRAJECTORY OF THE TRANSIENT UPPER ENERGY. UPPER DIVERGENCE RESURFACES S OF MAIN JET AXIS EARLY TOMORROW ALONG WITH ANOTHER SHORTWAVE...AGAIN AFFECTING MAINLY THE NRN TIER COUNTIES. HIGHER CHC N TO LOW CHC SOUTH WILL COVER THESE FEATURES WITH BEST LIFT DURING LEAST DIURNALLY FAVORABLE PERIOD. THROUGHOUT THIS EPISODE...SOME MOISTURE STAYS POOLED NEAR THE FRONT THAT SINKS SOUTHWARD FROM THE OHIO VALLEY FOR THU. WILL HOLD ONTO SMALL CHC POPS FOR THU...WITH FRONT PUSHING IN AND WEAK RIPPLES CONT IN THE WNW FLOW ALOFT. EXTENDED WILL FEATURE NEXT MAIN PRECIP CHC ON SUNDAY WITH HIGHER AMPLITUDE PATTERN AND A MORE SERIOUS FRONTAL BOUNDARY. AVL 60/85/61/86 6523 CLT 65/88/67/90 3313 GSP 65/88/67/90 3313 .GSP...NONE. HG
In the hours before
Special weather statement, May 23, 3:30 PM EDT, 2 hours 15 minutes before
GAZ010-017-NCZ033-034-048>055-058-059-062>067-SCZ001>003-240300- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 330 PM EDT TUE MAY 23 2000 ...SEVERE THUNDERSTORMS POSSIBLE THIS EVENING ACROSS THE HIGH COUNTRY OF THE CAROLINAS AND NORTHEAST GEORGIA... A SERIES OF UPPER LEVEL DISTURBANCES WILL INTERACT WITH VERY UNSTABLE AIR ACROSS THE LOWER OHIO AND TENNESSEE VALLEYS THIS EVENING. THIS COMBINATION WILL PRODUCE QUITE A NUMBER OF STRONG TO SEVERE THUNDERSTORMS OVER EASTERN TENNESSEE...SOME OF WHICH MAY MOVE INTO WESTERN NORTH CAROLINA. AS THE EVENING PROGRESSES... THUNDERSTORMS WILL ORIGINATE CLOSER AND CLOSER TO THE NORTH CAROLINA BORDER...AND MAY FORM OVER THE NORTH CAROLINA MOUNTAINS AND MOVE EAST INTO THE ADJACENT FOOTHILLS. THE GREATEST THREAT OF SEVERE WEATHER WILL BE IN THOSE COUNTIES THAT IMMEDIATELY BORDER TENNESSEE. ANY OF THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL IN EXCESS OF 3/4 INCH AND WIND GUSTS OF 60 MPH OR GREATER. THE GREATEST THREAT OF SEVERE WEATHER WILL BE IN THOSE COUNTIES THAT IMMEDIATELY BORDER TENNESSEE. HOWEVER...ISOLATED SEVERE THUNDERSTORMS MAY DEVELOP OR MOVE AS FAR EAST AS THE FOOTHILLS. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR MORE INFORMATION ON THIS SEVERE WEATHER SITUATION. HG
Special weather statement, May 23, 3:30 PM EDT, 2 hours 15 minutes before
GAZ010-017-NCZ033-034-048>055-058-059-062>067-SCZ001>003-240300- SEVERE WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 330 PM EDT TUE MAY 23 2000 ...SEVERE THUNDERSTORMS POSSIBLE THIS EVENING ACROSS THE HIGH COUNTRY OF THE CAROLINAS AND NORTHEAST GEORGIA... A SERIES OF UPPER LEVEL DISTURBANCES WILL INTERACT WITH VERY UNSTABLE AIR ACROSS THE LOWER OHIO AND TENNESSEE VALLEYS THIS EVENING. THIS COMBINATION WILL PRODUCE QUITE A NUMBER OF STRONG TO SEVERE THUNDERSTORMS OVER EASTERN TENNESSEE...SOME OF WHICH MAY MOVE INTO WESTERN NORTH CAROLINA. AS THE EVENING PROGRESSES... THUNDERSTORMS WILL ORIGINATE CLOSER AND CLOSER TO THE NORTH CAROLINA BORDER...AND MAY FORM OVER THE NORTH CAROLINA MOUNTAINS AND MOVE EAST INTO THE ADJACENT FOOTHILLS. ANY OF THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL IN EXCESS OF 3/4 INCH AND WIND GUSTS OF 60 MPH OR GREATER. THE GREATEST THREAT OF SEVERE WEATHER WILL BE IN THOSE COUNTIES THAT IMMEDIATELY BORDER TENNESSEE. HOWEVER...ISOLATED SEVERE THUNDERSTORMS MAY DEVELOP OR MOVE AS FAR EAST AS THE FOOTHILLS. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR MORE INFORMATION ON THIS SEVERE WEATHER SITUATION. HG
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.