Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 70, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 31, 2004, 7:43 AM EDT for Gaston County, Mecklenburg County, North Carolina. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 31, 2004, 7:43 AM EDT (11:43 UTC)
- Expired
- May 31, 2004, 8:30 AM EDT
- In force
- 47 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Gaston County, NC, Mecklenburg County, NC
The radar
The Greer radar (KGSP), 124 km from the middle of the area, began a volume at 11:46 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
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 31, 5:50 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.7 hours before the alert went out and 127 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
- 504 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1119 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
193
WUUS52 KGSP 311143
SVRGSP
NCC071-119-311230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
742 AM EDT MON MAY 31 2004
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA
EASTERN GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA
* UNTIL 830 AM EDT
* AT 742 AM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 7 MILES NORTHEAST OF GASTONIA...OR ABOUT OVER
STANLEY...MOVING EAST AT 40 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
LUCIA AROUND 745 AM EDT.
HUNTERSVILLE AROUND 800 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.
LAT...LON 3523 8112 3540 8120 3540 8095 3546 8093
3549 8078 3529 8078
$$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 31, 6:02 AM EDT, 1 hour 41 minutes earlier.
Area forecast discussion, May 31, 6:02 AM EDT, 1 hour 41 minutes before
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 602 AM EDT MON MAY 31 2004 .UPDATE... UPDATED ZONES FOR SEVERE TSTM WATCH AND TO PUSH POPS UP ACROSS ERN PIEDMONT. && .PREV DISCUSSION... CONVECTIVE LINE STRETCHES FROM JUST EAST OF OHX TO NEAR JKL THIS MORNING WITH TORNADO WATCH CURRENTLY IN PLACE ACROSS THE WESTERN CWFA. SHEAR PROFILES STEADILY INCREASE THIS MORNING WITH 850 MB WINDS PROGGED TO REACH 50 KT TOWARD 12Z AS FLOW GOES MORE UNIDIRECTIONAL. SLIGHT TIMING DIFFS CONT TO EXIST WITH MCS MOVING THROUGH REGION THIS MORNING...WITH THE GFS FEATURING FASTER TIMING. ETA FIELDS HAVE INITIALIZED FAIRLY WELL THIS MORNING...HOWEVER...AND SLIGHTLY SLOWER TIMING MEANS EASTERN PIEDMONT SECTIONS COULD REALIZE IMPROVED INSTABILITY BEFORE SURFACE COLD POOL MOVES THROUGH TODAY. WILL FEATURE HIGHEST POPS WEST EARLY TO LOWEST EAST AND THEN REVERSE THE PATTERN FOR THIS AFTERNOON. FAIRLY DEEP DRYING SHOULD THEN SET IN ACROSS THE WRN CAROLINAS AND NORTHEAST GEORGIA AS AREA IS CAUGHT BETWEEN DEEP ROTATING VORTEX ACROSS THE NRN CONUS AND MOIST BOUNDARY SOUTH OF THE REGION THROUGH TUE. MOISTURE WILL THEN STEADILY RECOVER THROUGH WED WITH ETA FEATURING NEXT SHOT OF UPPER DYNAMICS ROTATING IN FROM GREAT LAKES LOW BY LATE IN THE DAY. PATTERN REMAINS UNSETTLED THROUGH THE REST OF THE WEEK AS ERN TROUGH DEEPENS THROUGH FRI. NO CHANGES ARE ANTICIPATED TO THE REMAINDER OF THE MEDIUM RANGE AT THIS TIME. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && HG
Hazardous weather outlook, May 31, 5:46 AM EDT, 1 hour 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 546 AM EDT MON MAY 31 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-010946- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 546 AM EDT MON MAY 31 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... A LINE OF SEVERE THUNDERSTORMS WILL MOVE EAST ACROSS THE AREA EARLY TODAY. WIND GUSTS OF 60 TO 70 MPH ARE POSSIBLE WITH THE PASSAGE OF THESE THUNDERSTORMS. PLEASE SEE THE TORNADO AND SEVERE THUNDERSTORM WATCHES IN EFFECT THIS MORNING FOR FURTHER DETAILS. .DAYS TWO THROUGH SEVEN... AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE MOST DAYS THROUGH NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED AND SPOTTERS SHOULD RELAY REPORTS OF SEVERE WEATHER TODAY TO THE NATIONAL WEATHER SERVICE. HG
In the hours before
Local storm report, May 31, 3:30 AM EDT, 4 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 AM EDT MON MAY 31 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0310 AM TSTM WND DMG 5 N WAYNESVILLE 35.56N 83.00W
05/31/2004 HAYWOOD NC TRAINED SPOTTER
SPOTTER REPORTS SEVERAL TREES SNAPPED AND POWER OUTAGES
DUE TO ESTIMATED 60 TO 70 MPH WIND GUST.
&&
HGSpecial weather statement, May 31, 4:01 AM EDT, 3 hours 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 401 AM EDT MON MAY 31 2004 GAZ010-017-NCZ033-048>053-058-059-062>065-SCZ001>003-310958- AVERY NC-BUNCOMBE NC-GRAHAM NC-GREENVILLE MOUNTAINS SC-HABERSHAM GA- HAYWOOD NC-HENDERSON NC-MACON NC-MADISON NC-MITCHELL NC- NORTHERN JACKSON NC-OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC- RABUN GA-SOUTHERN JACKSON NC-SWAIN NC-TRANSYLVANIA NC-YANCEY NC- 401 AM EDT MON MAY 31 2004 ...STRONG TO SEVERE THUNDERSTORMS AFFECTING THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... AT 401 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS MOVING NORTHEAST AT 35 MPH INTO THE SOUTHERN APPALACHIANS. ANY OF THESE THUNDERSTORMS COULD BECOME SEVERE AT ANY MOMENT...AND A FEW COULD BECOME TORNADIC. MOST AFFECTED THROUGH 6 AM WILL BE LOCATIONS SOUTH OF INTERSTATE 40...ESPECIALLY FROM THE SMOKIES TO FRANKLIN TO CLAYTON. WINDS OF 40 TO 50 MPH CAN BE EXPECTED WITH NEARLY ANY THUNDERSTORM. HG
Special weather statement, May 31, 6:14 AM EDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 614 AM EDT MON MAY 31 2004 GAZ018-026-028-029-NCZ034>037-054>057-066>072-082-SCZ001>014-019- 311300- ABBEVILLE-ALEXANDER-ANDERSON-BURKE NC-CABARRUS-CALDWELL-CATAWBA- CHEROKEE SC-CHESTER-CLEVELAND-DAVIE-ELBERT-FRANKLIN GA-GASTON- GREATER GREENVILLE-GREATER OCONEE-GREATER PICKENS- GREENVILLE MOUNTAINS-GREENWOOD-HART-IREDELL-LAURENS SC-LINCOLN NC- MCDOWELL-MECKLENBURG-OCONEE MOUNTAINS-PICKENS MOUNTAINS-POLK NC- ROWAN-RUTHERFORD-SPARTANBURG-STEPHENS-UNION NC-UNION SC-YORK- INCLUDING THE CITIES OF...ABBEVILLE...ANDERSON...CHARLOTTE... CHESTER...CONCORD...ELBERTON...GAFFNEY...GASTONIA...GREENVILLE... GREENWOOD...HARTWELL...HICKORY...LAURENS...LINCOLNTON...MARION... MOCKSVILLE...MONROE...MORGANTON...ROCK HILL...RUTHERFORDTON... SALISBURY...SHELBY...SPARTANBURG...STATESVILLE...TOCCOA...TRYON... UNION 614 AM EDT MON MAY 31 2004 ...STRONG TO SEVERE THUNDERSTORMS TO AFFECT THE FOOTHILLS AND PIEDMONT OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... AT 610 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF THUNDERSTORMS MOVING EAST AT 40 MPH OUT OF THE MOUNTAINS. THESE STORMS WILL CONTINUE TO MOVE EAST ACROSS THE FOOTHILLS AND PIEDMONT THROUGH 9 AM. ANY OF THESE THUNDERSTORMS COULD BECOME SEVERE THIS MORNING...WITH THE MAIN THREAT BEING DAMAGING WIND GUSTS. WINDS OF 40 MPH CAN BE EXPECTED WITH NEARLY ANY THUNDERSTORM. CSH
Local storm report, May 31, 6:20 AM EDT, 1 hour 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
620 AM EDT MON MAY 31 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0531 AM TSTM WND DMG LEICESTER 35.65N 82.69W
05/31/2004 BUNCOMBE NC COUNTY OFFICIAL
COUNTY EOC REPORTS TREES DOWN.
&&
RBLocal storm report, May 31, 7:28 AM EDT, 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
728 AM EDT MON MAY 31 2004
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION...ST.. ...SOURCE....
..REMARKS..
0452 AM TSTM WND DMG ROBBINSVILLE 35.32N 83.81W
05/31/2004 GRAHAM NC LAW ENFORCEMENT
TREES AND POWER LINES DOWN COUNTYWIDE. REPORTS ALONG
STATE HIGHWAY 28 AND 143 AND US HIGHWAY 129.
0537 AM TSTM WND DMG 5 N FRANKLIN 35.25N 83.38W
05/31/2004 MACON NC LAW ENFORCEMENT
NUMEROUS TREES AND POWER LINES DOWN ACROSS NORTH PART OF
COUNTY. TREE ON HOUSE ON LYLE KNOB ROAD.
&&
MOOREThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 2:55 AM EDT | Severe Thunderstorm Warning | GSP | Haywood | 50 min |
| May 31, 3:11 AM EDT | Tornado Warning | GSP | Haywood | 34 min |
| May 31, 3:20 AM EDT | Severe Thunderstorm Warning | GSP | Swain | 40 min |
| May 31, 3:45 AM EDT | Severe Thunderstorm Warning | GSP | Haywood | 45 min |
| May 31, 4:37 AM EDT | Severe Thunderstorm Warning | GSP | Graham | 38 min |
| May 31, 4:46 AM EDT | Severe Thunderstorm Warning | GSP | Swain | 59 min |
| May 31, 5:00 AM EDT | Severe Thunderstorm Warning | GSP | Macon | 45 min |
| May 31, 5:08 AM EDT | Severe Thunderstorm Warning | GSP | Mitchell, Yancey | 52 min |
| May 31, 5:26 AM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 49 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2004Every severe thunderstorm warning in 2004
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.