Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 79, NWS Greenville-Spartanburg, SC

May 27, 2000Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 27, 2000, 3:49 PM EDT for Iredell County, North Carolina. It was in force for 26 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 27, 2000, 3:49 PM EDT (19:49 UTC)
Expired
May 27, 2000, 4:15 PM EDT
In force
26 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Iredell County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 27, 2:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 93 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 69 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, Greensboro/Hi Pt, NC at 12:00Z on 2000-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 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
69 J/kg
Mixed-layer CIN
-173 J/kg
Mixed-layer LCL
1206 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

458 
WUUS52 KGSP 271952
SVRGSP
NCC097-272015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
349 PM EDT SAT MAY 27 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 415 PM EDT

* AT 349 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 9 MILES NORTH OF STATESVILLE...OR ABOUT OVER
  TURNERSBURG...MOVING EAST AT 25 MPH.

*THIS STORM WILL AFFECT AREAS NORTH OF I-40 ALONG THE SOUTH FORK
 YADKIN RIVER THROUGH 415 PM EDT.

ALTHOUGH TORNADOES HAVE NOT BEEN DETECTED WITH THIS SEVERE
THUNDERSTORM...A TORNADO WATCH IS IN EFFECT. TORNADOES CAN DEVELOP
WITHOUT WARNING FROM A SEVERE THUNDERSTORM.

$$

WAJ/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 May 27, 1:47 PM EDT, 2 hours 2 minutes earlier.

Area forecast discussion, May 27, 1:47 PM EDT, 2 hours 2 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
147 PM EDT SAT MAY 27 2000

CONVECTION STARTING NOW IN THE NRN MTNS/FOOTHILLS OF NC IN VERY
JUICY AIRMASS WITH LOW 70 DWPTS. ETA SHOWS LOW CENTER DEVELOPING ON
LEE TROUGH AROUND CLT BY THIS EVENING. THIS COULD BE MORE THAN
ENOUGH TO RESULT IN WIDESPREAD THUNDERSTORM DEVELOPMENT ACROSS
WRN/CENT NC WHEN CONSIDERING THE LARGE CAPES AND WIND SHEAR IN
PLACE. EXPECT STORMS MORE ON A SCATTERED BASIS ACROSS NE GA/UPSTATE
THIS EVENING. MCS DEVELOPING IN WRN TN LIKELY TO AFFECT THE MTNS
SOMETIME THIS EVENING AS WELL.

WILL BE A BREAK IN PRECIP OVERNIGHT BEFORE NEXT AND RATHER LARGE MCS
AHEAD OF COLD FRONT ENTERS THE WRN TIER AROUND SUNRISE. COLD FRONT
TO PROGRESS ACROSS CWA SUNDAY MORNING ATTENDED BY DYING SQUALL LINE.
THINGS COULD GET INTERESTING AGAIN SUNDAY AFTERNOON THOUGH. IN THE
ERN ZONES...IF FRONT HAS NOT PASSED THROUGH...AIRMASS WILL BECOME
QUITE UNSTABLE AND SQUALL LINE COULD REFORM AS FAR WEST AS THE CLT
AREA. IN THE WEST...HIGH AMOUNTS OF LOW-LEVEL MOISTURE HANG AROUND
AND COUPLED WITH A DIGGING SHORTWAVE/STRONG MID-UPR LEVEL JET AND
DRIER AND COOLING MID-LEVELS...CREATE AN ATMOSPHERE UNSTABLE ENOUGH
TO GENERATE MORE THUNDERSTORMS WHICH WILL LIKELY PRODUCE HAIL.
AGAIN..THE GREATEST CHC OF THIS OCCURRING WILL BE IN NC.

WRAP AROUND MOISTURE UNDER CLOSED LOW WILL BE UPSLOPED INTO NC MTNS
SUNDAY NIGHT...WILL CONTINUE CHC POP THERE. COULD BE A FEW SHOWERS
AROUND IN CENT NC...BUT NOT A HIGH ENOUGHT CHC TO MENTION ATTM. COLD
POOL ON MONDAY CENTERED TO THE EAST OF CWA...BUT COULD STILL HAVE
SOME INSTABILITY DRIVEN SHRA/TSRA IN MY ERN ZONES. OTHERWISE...THIS
ONE COOL DAY WILL BE NICE TO HAVE BEFORE THINGS HEAT UP TOWARD THE
LATTER PART OF NEXT WEEK. EXTENDED PROGS SHOW STRONG 5H RIDGE
BUILDING ACROSS SOUTHERN STATES WED/THURS. ALTHOUGH PATTERN SUGGESTS
WE COULD BE DEALING WITH MORE MCS REMNANTS FROM TIME TO TIME IN THE
EXTENDED...WILL KEEP FORECAST DRY WITH A WARMING TREND.

PRELIMINARY NUMBERS...
AVL 65/79/55/78/52 5722
CLT 70/85/58/79/54 4623
GSP 72/85/60/81/56 3610

.GSP...NONE.

MOYER

In the hours before

Special weather statement, May 27, 11:20 AM EDT, 4 hours 29 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-272000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1120 AM EDT SAT MAY 27 2000

...SEVERE THUNDERSTORMS POSSIBLE IN THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA THIS AFTERNOON AND THIS EVENING...

A HOT...MOIST...UNSTABLE AIR MASS WILL COMBINE WITH APPROACHING
UPPER LEVEL FEATURES TO CAUSE STRONG TO SEVERE THUNDERSTORMS TO
AFFECT THE AREA LATER THIS AFTERNOON.  THE THREAT OF SEVERE WEATHER
WILL EXTEND AT LEAST INTO THE EARLY PART OF TONIGHT FOR SOME
SECTIONS.  SEVERE THUNDERSTORMS ARE THOSE THUNDERSTORMS WHICH CAUSE
DAMAGING WIND STORMS...LARGE HAIL...AND TORNADOES.  THE FORMS OF
SEVERE WEATHER WHICH ARE MOST LIKELY TODAY ARE DAMAGING WINDS AND
LARGE HAIL.

THE BEST CHANCE OF SEVERE WEATHER WILL FIRST BE IN THE NORTH
CAROLINA MOUNTAINS THIS AFTERNOON...AS SOME THUNDERSTORMS
DEVELOP...AND OTHERS MOVE IN FROM TENNESSEE.  IT IS THEN POSSIBLE
THAT A SQUALL LINE COULD FORM FROM THESE MOUNTAIN STORMS...AND MOVE
OUT INTO THE NORTH CAROLINA FOOTHILLS AND PIEDMONT.

LESS COVERAGE OF THUNDERSTORMS IS EXPECTED IN THE GEORGIA AND SOUTH
CAROLINA PARTS OF THE SERVICE AREA OF THE GREENVILLE-SPARTANBURG
WEATHER FORECAST OFFICE.  EVEN THERE...HOWEVER...THE SCATTERED
STORMS COULD BE STRONG...WITH A FEW SEVERE STORMS POSSIBLE.

COMMUNICATION CENTER DISPATCHERS SHOULD BRIEF LOCAL OFFICIALS ON
THIS OUTLOOK STATEMENT...AND SKYWARN SPOTTER GROUPS SHOULD PREPARE
FOR POSSIBLE ACTIVATION LATER TODAY.  SEVERE WEATHER WATCHES HAD NOT
BEEN ISSUED FOR THE AREA AS OF LATE MORNING.

LISTEN FOR LATER INFORMATION REGARDING THE SEVERE WEATHER
THREAT...ON THIS FIRST DAY OF THE HOLIDAY WEEKEND.

JONES
Local storm report, May 27, 3:00 PM EDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
300 PM EDT SAT MAY 27 2000

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

303 PM     UNION GROVE               NC   1.00 INCH HAIL
05/27/00   IREDELL                        COUNTY COMMS

305 PM     5 N MOCKSVILLE            NC   .75 INCH HAIL
05/27/00   DAVIE                          PUBLIC REPORTED LITTLE
                                          OVER DIME SIZE HAIL

PT
NNNN
Local storm report, May 27, 3:16 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
316 PM EDT SAT MAY 27 2000

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

306 PM     3 NW HARMONY              NC   .88 INCH HAIL
05/27/00   IREDELL                        REPORT THROUGH COUNTY
                                          COMMS OF DIME TO NICKEL
                                          SIZED HAIL IN NORTHERN
                                          PART OF COUNTY.

DEO
NNNN
Local storm report, May 27, 3:39 PM EDT, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
339 PM EDT SAT MAY 27 2000

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

330 PM     MOCKSVILLE                NC   .75 INCH HAIL
05/27/00   DAVIE                          SPOTTER REPORTED DIME SIZE
                                          HAIL

PT
NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 2:48 PM EDTSevere Thunderstorm WarningGSPIredell42 min
May 27, 2:55 PM EDTSevere Thunderstorm WarningGSPDavie65 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; the sounding from the Mesonet's radiosonde archive.