Alert archive / North Carolina / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 186, NWS Greenville-Spartanburg, SC

September 25, 2000Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 25, 2000, 4:30 PM EDT for Mecklenburg County, North Carolina. It was in force for 45 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: Sep 25, 2000, 4:30 PM EDT (20:30 UTC)
Expired: Sep 25, 2000, 5:15 PM EDT
In force: 45 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Whole counties

County Mecklenburg County, NC

What was reported inside it

Time	Report	Where	Remark
Sep 25, 4:39 PM EDT	Thunderstorm Wind 50 E	Pineville, NC	Trees were downed on Main and College Streets.
Sep 25, 5:00 PM EDT	Thunderstorm Wind 50 E	Charlotte, NC	Several trees were blown down and a roof was damaged in South Charlotte.

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 watch it was issued in

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

Issued	Product	Office	Lasted
Sep 25, 3:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 125 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 1 hour 56 minutes earlier.

Area forecast discussion, Sep 25, 2:34 PM EDT, 1 hour 56 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 4 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, 10 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, 3 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.

Issued	Product	Office	Counties	Lasted
Sep 25, 4:42 PM EDT	Severe Thunderstorm Warning	GSP	Union	63 min
Sep 25, 4:00 PM EDT	Severe Thunderstorm Warning	GSP	York	45 min
Sep 25, 4:33 PM EDT	Severe Thunderstorm Warning	GSP	Chester	57 min
Sep 25, 6:48 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood, Laurens	42 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2000 Every 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.