Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 188, NWS Greenville-Spartanburg, SC

September 25, 2000Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 25, 2000, 4:42 PM EDT for Union County, North Carolina. It was in force for 63 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
Sep 25, 2000, 4:42 PM EDT (20:42 UTC)
Expired
Sep 25, 2000, 5:45 PM EDT
In force
63 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Whole counties

County Union County, NC

The radar

The Columbia radar (KCAE), 128 km from the middle of the area, began a volume at 20:44 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 watch it was issued in

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

IssuedProductOfficeLasted
Sep 25, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.7 hours before the alert went out and 134 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 2000-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 411 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 2000-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 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
411 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS52 KGSP 252043
SVRGSP
NCC179-252145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
442 PM EDT MON SEP 25 2000

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 545 PM EDT

* AT 442 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
  SEVERE THUNDERSTORMS WITH DAMAGING WINDS FROM 8 MILES EAST OF
  CHARLOTTE TO 14 MILES EAST OF CHESTER...MOVING NORTHEAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WAXHAW AT 445 PM EDT
  FAIRVIEW AT 455 PM EDT
  MONROE AT 500 PM EDT
  WINGATE AT 510 PM EDT
  MARSHVILLE AT 520 PM EDT

THIS RAPIDLY MOVING LINE OF SEVERE THUNDERSTORMS MAY CAUSE WINDS FROM
60 TO 100 MPH...AND MAY MOVE THROUGH VERY QUICKLY WITH LITTLE
THUNDER...LIGHTNING...OR RAIN.

$$
JAT

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 Sep 25, 2:34 PM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, Sep 25, 2:34 PM EDT, 2 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
234 PM EDT MON SEP 25 2000

STRONG CONVECTION NOW FORMING ACROSS WRN UPSTATE AHEAD OF
PRE-FRONTAL TROF AND DRY SLOT ON WV LOOP AHEAD OF MAIN SYSTEM. DEW
POINTS STAYED HIGH AND BREAKS IN CLOUDS ALLOWED TEMPS TO WARM MORE
THAN EXPECTED. LAPS AND MSAS ANAL SHOW ATMOS HAS BECOME MORE
UNSTABLE THAN FCST. BACK DOOR FNT HAS STALLED ALONG THE NRN CWFA
BORDER. STRONG SPEED SHEAR ACROSS THE AREA. ALL THIS LEADS TO DECENT
CHC OF SVR TSRA THIS AFTERNOON AND EVENING. CAT POPS THIS EVE ALL
ZONES.

COLD FNT AND SFC LOW MOVE THRU TONIGHT AND DRY SLOT WORKS INTO THE
AREA. WINDS BECOME DOWNSLOPE BUT CLOUDS OUTSIDE OF THE MTNS WILL NOT
CLEAR UNTIL AFTERNOON. WRAP AROUND MOISTURE REMAINS HIGH ACROSS NC
MTNS TUE. CAA AND DECENT NWLY FLOW SO WILL GO WITH A SMALL POP FOR
SHRA. NC MTN SKIES CLEAR TUE NIGHT THEN DRY WX THRU SAT. AGREE WITH
NCEP THAT MRF TOO AGGRESSIVE WITH TROPICAL CYCLONE FROM CARRIBEAN.

WENT WITH WARMER GUIDANCE TONIGHT GIVEN CLOUDS. WENT TOWARD COOLER
GUIDANCE REST OF PERIOD.

FCSTID = 81
GSP   63  74  50  75 /  60  10   0   0
AND   62  75  50  75 /  60  10   0   0
CLT   65  74  48  74 /  80  10   0   0
HKY   64  73  47  72 /  70  10   0   0
AVL   58  65  44  67 /  70  30   0   0

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

RWH

In the hours before

Special weather statement, Sep 25, 11:26 AM EDT, 5 hours 16 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-252000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1126 AM EDT MON SEP 25 2000

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON...

A WARM MOIST AIR MASS IS IN PLACE ACROSS MUCH OF THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA. A STRONG LOW PRESSURE SYSTEM AND
ASSOCIATED COLD FRONT TO OUR WEST WILL MOVE ACROSS THE AREA THIS
EVENING. THUNDERSTORMS HAVE DEVELOPED AHEAD OF THE SYSTEM AND WILL
MOVE ACROSS THE AREA THIS AFTERNOON AND EVENING. SOME OF THESE
STORMS WILL BECOME STRONG AND COULD BECOME SEVERE.

THE MAIN THREAT FROM THESE STORMS WILL BE DAMAGING DOWNBURST WINDS.
HOWEVER...SOME LARGE HAIL IS ALSO POSSIBLE. SEVERE WEATHER IS MOST
LIKELY ACROSS UPSTATE SOUTH CAROLINA...EXTREME NORTHEAST
GEORGIA...AND THE CHARLOTTE METRO AREA. HOWEVER...SEVERE WEATHER IS
POSSIBLE ANYWHERE ALONG AND SOUTH OF INTERSTATE 40.

SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS
AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY
EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR
MORE INFORMATION ON THIS SEVERE WEATHER SITUATION.

RWH
Local storm report, Sep 25, 4:20 PM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
420 PM EDT MON SEP 25 2000

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

355 PM     UNION                     SC   WIND DAMAGE
09/25/00   UNION                          COUNTY REPORTS TREE BLOWN
                                          DOWN ON HOUSE IN CITY OF
                                         ] UNION.

HG
Local storm report, Sep 25, 4:27 PM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
427 PM EDT MON SEP 25 2000

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

405 PM     8 NW GREENWOOD            SC   WIND DAMAGE
09/25/00   GREENWOOD                      GREENWOOD EOC REPORTED 2
                                          TREES DOWN AT HODGES. 1
                                          TREE DOWN AT THE
                                          ABBEVILLE/GREENWOOD LINE.
                                          1 TREE DOWN ALONG HIGHWAY
                                          178.

422 PM     5 N ROCK HILL             SC   60 MPH
09/25/00   YORK                           HAM RADIO OPERATOR
                                          REPORTED A MEASURED GUST
                                          OF 60 MPH 1 MILE
                                          SOUTHEAST OF CATAWBA
                                          NUCLEAR PLANT.

420 PM     CROSS HILL                SC   WIND DAMAGE
09/25/00   LAURENS                        COUNTY 911 REPORTS TREES
                                          DOWN  ON SKIPPERS LODGE
                                          ROAD.

420 PM     3 E WATERLOO              SC   WIND DAMAGE
09/25/00   LAURENS                        COUNTY 911 REPORTS TREES
                                          DOWN ALONG HIGHWAY 72.

BENTHALL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 4:30 PM EDTSevere Thunderstorm WarningGSPMecklenburg45 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; radar from the NEXRAD Level II archive.