Alert archive / North Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 146, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 12, 2004, 6:17 PM EDT for Iredell County, North Carolina. It was in force for 58 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
- Jul 12, 2004, 6:17 PM EDT (22:17 UTC)
- Expired
- Jul 12, 2004, 7:15 PM EDT
- In force
- 58 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Iredell County, NC
The radar
The Roanoke radar (KFCX), 132 km from the middle of the area, began a volume at 22:17 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.
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 nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.3 hours before the alert went out and 82 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
- 404 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KGSP 122217
SVRGSP
NCC097-122315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT MON JUL 12 2004
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA
* UNTIL 715 PM EDT
* AT 616 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR HARMONY...OR ABOUT 13 MILES
NORTHEAST OF STATESVILLE...AND MOVING SOUTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
TURNERSBURG AROUND 630 PM 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 3605 8069 3605 8097 3579 8089 3569 8077
3585 8071
$$
MOOREWhat 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 Jul 12, 2:05 PM EDT, 4 hours 12 minutes earlier.
Area forecast discussion, Jul 12, 2:05 PM EDT, 4 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 205 PM EDT MON JUL 12 2004 .SHORT TERM (TONIGHT THROUGH WEDNESDAY NIGHT)... RIDGE OVER SOUTHERN HALF OF COUNTRY CONTINUES TO DOMINATE PATTERN DURING THE FIRST HALF OF THE WEEK. MINOR IMPULSES MOVING OVER THE TOP OF RIDGE WILL ENHANCE DIURNAL CONVECTION BUT STILL SEE THE CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS THROUGH WEDNESDAY. MAIN CONCERN IN HOT TEMPERATURES ON WEDNESDAY. STILL WORKING ON THE FINAL NUMBERS BUT IT LOOKS LIKE A HEAT INDEX NEAR 100 OVER LOWER TERRAIN. THIS COULD RESULT IN ADVISORY ISSUANCE TOMORROW. && .LONG TERM (THURSDAY THROUGH MONDAY)... THINGS DRY OUT LATER IN THE WEEK AS RIDGE RETROGRADES AND WE ARE CAUGHT UNDER NORTHWEST FLOW THROUGH THE WEEKEND. MODELS KEEP MOST CONVECTION SOUTH OF US UNTIL BOUNDARY DISSIPATES AROUND SUNDAY. GFS PUTS TOGETHER A SOLUTION THAT HAS SURFACE LOW MOVING OVER US SUNDAY...BUT PREFERRED MODELS BY NCEP SUGGEST SLOWER AND LESS DRASTIC COMPROMISE. RIGHT NOW IT STILL LOOKS LIKE MONDAY IS THE BEST DAY FOR RETURN OF THUNDERSTORM ACTIVITY OVER THE AREA. && .AVIATION... DEEP CONVECTIVE TRENDS UNFOLDING AS EXPECTED ATTM WITH NC MTN CVRG EXPANDING GRADUALLY INTO MY NC NORTHERN TIER AND EVENTUALLY ACRS THE UPSTATE/NE GA/SOUTHERN NC THROUGH THE MID TO LATE AFTERNOON HOURS. NOTHING CONCLUSIVE AS OF YET TO GO ANY MORE PESSIMISTIC THAN GOING VCTS/CB AT ALL THE TAF SITES INTO EARLY EVENING. ALSO NOT CONFIDENT THAT S/WV AND WEAK LIFT PROGGED TO MOVE EAST ACRS NC THROUGH 06Z WILL BE ENOUGH TO SUSTAIN HIGHER CHCS OF TSTMS PAST MID-EVENING SO KEPT THUNDER THREAT END TIMING ROUGHLY THE SAME AS IN 12Z PACKAGE. LOOKS LIKE BLYR OVERNIGHT DRIES OUT MORE THAN WHAT WE SAW THIS MORNING...SO RESTRICTIONS DURING THE PRE-DAWN HOURS LIMITED TO JUST A PERIOD OF MVFR VSBYS. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...VAD LONG TERM...VAD AVIATION...CSH
Hazardous weather outlook, Jul 12, 4:37 AM EDT, 13 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 437 AM EDT MON JUL 12 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-130840- 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- 437 AM EDT MON JUL 12 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY. SOME STORMS MAY REACH SEVERE LEVELS...CONTAINING LARGE HAIL AND DAMAGING WINDS. RAIN MAY BE HEAVY AT TIMES AND AREAS THAT RECEIVED HEAVY RAIN YESTERDAY COULD GET MORE TODAY...INCREASING THE THREAT OF LOCALIZED FLOODING. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TUESDAY THROUGH WEDNESDAY. SOME STORMS COULD REACH SEVERE LEVELS...CONTAINING LARGE HAIL AND DAMAGING WINDS. HEAVY RAIN IS ALSO POSSIBLE WHICH COULD INCREASE THE RISK OF FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. RB
In the hours before
Special weather statement, Jul 12, 2:52 PM EDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 252 PM EDT MON JUL 12 2004 NCZ057-121945- ROWAN- INCLUDING THE CITY OF...SALISBURY 252 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORM TO EFFECT ROWAN COUNTY... AT 245 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A STRONG THUNDERSTORM NEAR CLEVELAND...MOVING SOUTHEAST AT 15 MPH. THROUGH 4 PM...THIS STORM WILL AFFECT AREAS BETWEEN MOUNT ULLA AND SALISBURY...AND THEN HEAD INTO THE I-85 AREA. GUSTY WINDS OF AROUND 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING... TORRENTIAL RAINFALL...AND PERHAPS SOME SMALL HAIL WILL BE POSSIBLE IN THESE AREAS. IT IS POSSIBLE THAT THIS STORM COULD INTENSIFY TO PRODUCE A BRIEF PERIOD OF SEVERE WEATHER IN THE FORM OF LARGE HAIL OR DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CSH
Special weather statement, Jul 12, 2:56 PM EDT, 3 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 256 PM EDT MON JUL 12 2004 GAZ010-017-018-026-028-SCZ001>007-010-121950- ANDERSON-FRANKLIN GA-GREATER GREENVILLE-GREATER OCONEE- GREATER PICKENS-GREENVILLE MOUNTAINS-HABERSHAM-HART-OCONEE MOUNTAINS- PICKENS MOUNTAINS-RABUN-SPARTANBURG-STEPHENS- INCLUDING THE CITIES OF...ANDERSON...CLARKESVILLE...CLAYTON... GREENVILLE...HARTWELL...SPARTANBURG...TOCCOA 256 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORMS EFFECTING THE WESTERN UPSTATE AND NORTHEAST GEORGIA... AT 253 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS ROUGHLY NEAR HIGHWAY 11 FROM TIGERVILLE WESTWARD AND EXTENDING INTO NORTHEAST GEORGIA...MOVING SOUTHEAST AT 15 MPH. THROUGH 4 PM...THESE STORMS WILL AFFECT AREAS HEADING SOUTH TOWARD I-85. GUSTY WINDS OF AROUND 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING... TORRENTIAL RAINFALL...AND PERHAPS SOME SMALL HAIL WILL BE POSSIBLE IN THESE AREAS. IT IS POSSIBLE THAT THIS STORM COULD INTENSIFY TO PRODUCE A BRIEF PERIOD OF SEVERE WEATHER IN THE FORM OF LARGE HAIL OR DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CSH
Special weather statement, Jul 12, 3:44 PM EDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 344 PM EDT MON JUL 12 2004 GAZ017-018-026-028-SCZ003>007-010-122055- ANDERSON-FRANKLIN GA-GREATER GREENVILLE-GREATER OCONEE- GREATER PICKENS-GREENVILLE MOUNTAINS-HABERSHAM-HART-SPARTANBURG- STEPHENS- INCLUDING THE CITIES OF...ANDERSON...CLARKESVILLE...GREENVILLE... HARTWELL...SPARTANBURG...TOCCOA 344 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORMS EFFECTING THE WESTERN UPSTATE AND NORTHEAST GEORGIA... AT 345 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS EXTENDING FROM NORTH OF GREER THROUGHOUT PICKENS...CLEMSON AND NEAR CORNELIA...CONTINUING TO MOVE SOUTHEAST AT 15 MPH. THROUGH 5 PM...THESE STORMS WILL CONTINUE TO AFFECT AREAS HEADING SOUTH TOWARD I-85. GUSTY WINDS OF AROUND 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING... TORRENTIAL RAINFALL...AND PERHAPS SOME SMALL HAIL WILL BE POSSIBLE IN THESE AREAS. IT IS POSSIBLE THAT THIS STORM COULD INTENSIFY TO PRODUCE A BRIEF PERIOD OF SEVERE WEATHER IN THE FORM OF LARGE HAIL OR DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CSH
Special weather statement, Jul 12, 3:52 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 352 PM EDT MON JUL 12 2004 NCZ068>071-SCZ009-122100- CLEVELAND-GASTON-LINCOLN NC-MECKLENBURG-YORK- INCLUDING THE CITIES OF...CHARLOTTE...GASTONIA...LINCOLNTON... ROCK HILL...SHELBY 352 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORMS TO APPROACH CHARLOTTE METRO... AT 350 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED STRONG THUNDERSTORMS WEST OF LINCOLNTON AND NORTH OF SHELBY MOVING SOUTHEAST AT 15 MPH. THROUGH 5 PM...THESE STORMS WILL CONTINUE TO AFFECT AREAS HEADING SOUTHEAST TOWARD I-85. GUSTY WINDS OF AROUND 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING... TORRENTIAL RAINFALL...AND PERHAPS SOME SMALL HAIL WILL BE POSSIBLE IN THESE AREAS. IT IS POSSIBLE THAT THIS STORM COULD INTENSIFY TO PRODUCE A BRIEF PERIOD OF SEVERE WEATHER IN THE FORM OF LARGE HAIL OR DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. CSH
Special weather statement, Jul 12, 4:51 PM EDT, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 451 PM EDT MON JUL 12 2004 GAZ028-029-NCZ068>072-082-SCZ006>014-019-122200- ABBEVILLE SC-ANDERSON SC-CABARRUS NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-ELBERT GA-GASTON NC-GREATER GREENVILLE SC-GREENWOOD SC- HART GA-LAURENS SC-LINCOLN NC-MECKLENBURG NC-SPARTANBURG SC-UNION SC- UNION NC-YORK SC- 451 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORMS DROPPING SOUTHEAST ACROSS THE FOOTHILLS AND PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA... THUNDERSTORMS ASSOCIATED WITH FREQUENT CLOUD TO GROUND LIGHTNING...TORRENTIAL RAIN AND WIND GUSTS TO 40 MPH WERE DROPPING SOUTHEAST ACROS THE FOOTHILLS AND PIEDMONT OF THE CAROLINAS AND NORTHEAST GEORGIA LATE MONDAY AFTERNOON. THROUGH 6 PM...THE STORMS WILL PASS OVER CHARLOTTE...GAFFNEY...LAURENS...ABBEVILLE AND CHESTER AS WELL AS UNION...GREENWOOD AND ELBERTON. RAINFALL WITH THESE STORMS HAS BEEN TORENTIAL. DOWNTOWN GREENVILLE REPORTED NEARLY 1.50 INCHES OF RAIN WITH THESE STORMS AS THEY DROPPED THROUGH THE NORTHERN UPSTATE. AN UNOFFICIAL READING OF 2.48 INCHES WAS REPORTED FROM AN AUTOMATED GAGE OUTSIDE LIBERTY. URBAN FLOODING IS LIKELY IN THE METRO AREAS OF CHARLOTTE AND MONROE...AND PONDING OF WATER IS LIKELY IN POOR DRAINAGE AREAS UNTIL THE STORMS HAVE PASSED EAST OF THE REGION. THERE IS STILL THE POSSIBILITY THAT ONE OR TWO OF THESE STORMS COULD BECOME SEVERE...ALTHOUGH THEY HAVE NOT HAD A HISTORY OF PRODUCING SEVERE WEATHER AS THEY MOVED OUT OF NORTH CAROLINA. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST INFORMATION CONCERNING THIS DEVELOPING WEATHER SITUATION. BURRUS
Special weather statement, Jul 12, 6:05 PM EDT, 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 605 PM EDT MON JUL 12 2004 NCZ033>037-048>059-062>072-082-130000- ALEXANDER NC-AVERY NC-BUNCOMBE NC-BURKE NC-CABARRUS NC-CALDWELL NC- CATAWBA NC-CLEVELAND NC-DAVIE NC-GASTON NC-GRAHAM NC-HAYWOOD NC- HENDERSON NC-IREDELL NC-LINCOLN NC-MACON NC-MADISON NC-MCDOWELL NC- MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC-POLK NC-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SWAIN NC-TRANSYLVANIA NC-UNION NC- YANCEY NC- 605 PM EDT MON JUL 12 2004 ...STRONG THUNDERSTORMS TO AFFECT THE NORTH CAROLINA MOUNTAINS AND NORTHWEST PIEDMONT THROUGH 8 PM... AT 605 PM...WEATHER RADAR SHOWED STRONG THUNDERSTORMS DROPPING OUT OF THE NORTHERN FOOTHILLS INTO THE NORTHWEST PIEDMONT OF NORTH CAROLINA. THE STRONGEST STORMS WILL DROP SOUTH TOWARD STATESVILLE...MOCKSVILLE...SALISBURY AND THE CHARLOTTE METRO AREA THROUGH 8 PM. A LINE OF STRONG TO SEVERE THUNDERSTORMS WAS MOVING ACROSS EAST TENNESSEE. SOME OF THESE STORMS COULD PRODUCE SEVERE WIND GUSTS AND LARGE HAIL AS THEY CROSS THE NORTH CAROLINA MOUNTAINS THROUGH 8 PM. THESE STORMS WILL ALSO AFFECT THE NORTH CAROLINA FOOTHILLS FROM LENOIR TO TRYON AND COLUMBUS THROUGH MID EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION. BURRUS
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:02 PM EDT | Flash Flood Warning | GSP | Mecklenburg | 3 hr |
| Jul 11, 8:15 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 60 min |
| Jul 11, 11:00 PM EDT | Flash Flood Warning | GSP | Mecklenburg | 2 hr |
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.