Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 64, NWS Greenville-Spartanburg, SC

May 25, 2000Catawba County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 25, 2000, 9:15 AM EDT for Catawba County, Iredell County, North Carolina. It was in force for 30 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
May 25, 2000, 9:15 AM EDT (13:15 UTC)
Expired
May 25, 2000, 9:45 AM EDT
In force
30 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

Counties Catawba County, NC, Iredell County, NC

The radar

The Greer radar (KGSP), 143 km from the middle of the area, began a volume at 13:17 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

TimeReportWhereRemark
May 25, 9:30 AM EDTThunderstorm Wind 55 EStatesville, NC
May 25, 9:30 AM EDTHail 0.75Mooresville, 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

Roanoke, VA (KRNK), launched 12:00Z, 1.3 hours before the alert went out and 214 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, Roanoke, VA at 12:00Z on 2000-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Roanoke, VA at 12:00Z on 2000-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -89 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
934 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-89 m²/s²
0-3 km storm-relative helicity
-30 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.

001 
WUUS52 KGSP 251315
SVRGSP
NCC035-097-251345-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
915 AM EDT THU MAY 25 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CATAWBA COUNTY IN PIEDMONT NORTH CAROLINA     
  IREDELL COUNTY IN PIEDMONT NORTH CAROLINA

* UNTIL 945 AM EDT

* AT 915 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 9 MILES EAST OF NEWTON...OR ABOUT 5 MILES NORTHWEST OF
  TERRELL...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TERRELL AT 920 AM EDT
  TROUTMAN AT 925 AM EDT
  MOORESVILLE AT 930 AM 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.

$$

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 25, 7:40 AM EDT, 1 hour 35 minutes earlier.

Area forecast discussion, May 25, 7:40 AM EDT, 1 hour 35 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
740 AM EDT THU MAY 25 2000

QUICK UPDATE TO THE ZONES TO REMOVE SEVERE WEATHER WATCH WORDING.

.GSP...NONE.

BURRUS

In the hours before

Special weather statement, May 25, 4:50 AM EDT, 4 hours 25 minutes before
GAZ010-017-018-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-019-
251433-
SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
450 AM EDT THU MAY 25 2000

...SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA...

AN APPROACHING FRONTAL BOUNDARY AND A POTENT UPPER LEVEL DISTURBANCE
WILL INTERACT WITH MOIST...UNSTABLE AIR TO PRODUCE SHOWERS AND
THUNDERSTORMS ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA
TODAY. SOME OF THE THUNDERSTORMS COULD BECOME SEVERE...AND BE
ACCOMPANIED BY LARGE HAIL AND DAMAGING WIND.

THUNDERSTORMS ACROSS TENNESSEE EARLY THIS MORNING ARE EXPECTED TO
CROSS OVER INTO THE CAROLINA MOUNTAINS AND ADJACENT PARTS OF
NORTHEAST GEORGIA AROUND DAYBREAK. A SEVERE THUNDERSTORM WATCH IS IN
EFFECT FOR THESE AREAS UNTIL 10 AM. CITIES INCLUDED IN THIS WATCH ARE
TOCCOA...GREENVILLE...SPARTANBURG...ASHEVILLE AND RUTHERFORDTON.

ONCE THIS AREA OF THUNDERSTORMS HAS PASSED EAST OF THE AREA... SKIES
WILL CLEAR ENOUGH TO ALLOW SUNSHINE TO DESTABILIZE THE ATMOSPHERE
OVER OUR REGION. AS THE FRONTAL BOUNDARY AND ASSOCIATED UPPER LEVEL
DISTURBANCE APPROACH THE REGION THIS AFTERNOON... NUMEROUS THUNDERSTORMS
ARE EXPECTED TO DEVELOP. SOME OF THESE COULD PRODUCE HAIL THE SIZE
OF QUARTERS OR LARGER...AND BE ACCOMPANIED BY WIND GUSTS OVER 60 MPH.

ADDITIONAL SEVERE WEATHER WATCHES COULD BE POSTED FOR PARTS OF THE
WESTERN CAROLINAS AND NORTHEAST GEORGIA LATER TODAY. ASSISTANCE FROM
SKYWARN SPOTTERS AND AMATEUR RADIO OPERATORS MAY BECOME NECESSARY.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL RADIO AND TELEVISION OR
CABLE TELEVISION FOR THE LATEST WEATHER INFORMATION.

BURRUS
Special weather statement, May 25, 7:50 AM EDT, 1 hour 25 minutes before
GAZ010-017-018-NCZ033-048>055-058-059-062>067-SCZ001>007-010-251242-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
750 AM EDT THU MAY 25 2000

THE NATIONAL WEATHER SERVICE HAS CANCELED SEVERE THUNDERSTORM WATCH
350. THIS WATCH COVERED MUCH OF WESTERN NORTH CAROLINA AND PORTIONS
OF NORTHEAST GEORGIA AND UPSTATE SOUTH CAROLINA.

STORMS HAVE WEAKENED BUT MAY REMAIN STRONG THIS MORNING.

RWH

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 8:54 AM EDTSevere Thunderstorm WarningGSPCatawba21 min
May 25, 3:46 PM EDTSevere Thunderstorm WarningGSPUnion44 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.