Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 372, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 8, 2012, 4:00 PM EDT for Spartanburg County, South Carolina. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 8, 2012, 4:00 PM EDT (20:00 UTC)
- Expired
- Jul 8, 2012, 5:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
County Spartanburg County, SC
The radar
The Greer radar (KGSP), 32 km from the middle of the area, began a volume at 20:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 4:10 PM EDT | TSTM WND DMG | 3 N Spartanburg, SC | TREES DOWN ON POWER LINES |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
Did it verify
Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 10 minutes after it went out.
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, 8.0 hours before the alert went out and 217 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
- 508 J/kg
- Mixed-layer CIN
- -155 J/kg
- Mixed-layer LCL
- 1534 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
028
WUUS52 KGSP 082000
SVRGSP
SCC083-082100-
/O.NEW.KGSP.SV.W.0372.120708T2000Z-120708T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
400 PM EDT SUN JUL 8 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL SPARTANBURG COUNTY IN UPSTATE SOUTH CAROLINA...
* UNTIL 500 PM EDT
* AT 356 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 BOILING SPRINGS SC...OR 5
MILES NORTHWEST OF SPARTANBURG...AND MOVING SOUTH AT 5 MPH.
* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
SPARTANBURG.
ROEBUCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3489 8215 3514 8216 3514 8186 3505 8180
3504 8181 3503 8179 3499 8177 3494 8176
3491 8172 3483 8181
TIME...MOT...LOC 2000Z 342DEG 6KT 3500 8198
$$
NED2 follow-up statements
033
WWUS52 KGSP 082028
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
428 PM EDT SUN JUL 8 2012
SCC083-082100-
/O.CON.KGSP.SV.W.0372.000000T0000Z-120708T2100Z/
SPARTANBURG SC-
428 PM EDT SUN JUL 8 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL
SPARTANBURG COUNTY UNTIL 500 PM EDT...
AT 424 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THIS STORM WAS LOCATED NEAR SPARTANBURG...MOVING SOUTH AT 5
MPH.
THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
ROEBUCK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3489 8215 3514 8216 3514 8186 3505 8180
3504 8181 3503 8179 3499 8177 3494 8176
3491 8172 3483 8181
TIME...MOT...LOC 2029Z 342DEG 6KT 3492 8197
$$
NED533
WWUS52 KGSP 082051
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
451 PM EDT SUN JUL 8 2012
SCC083-082101-
/O.EXP.KGSP.SV.W.0372.000000T0000Z-120708T2100Z/
SPARTANBURG SC-
451 PM EDT SUN JUL 8 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SPARTANBURG COUNTY
WILL EXPIRE AT 500 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LEVELS. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 3489 8215 3514 8216 3514 8186 3505 8180
3504 8181 3503 8179 3499 8177 3494 8176
3491 8172 3483 8181
TIME...MOT...LOC 2051Z 342DEG 6KT 3489 8196
$$
NEDWhat 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 8, 2:09 PM EDT, 1 hour 51 minutes earlier.
Area forecast discussion, Jul 8, 2:09 PM EDT, 1 hour 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 209 PM EDT SUN JUL 8 2012 .SYNOPSIS... WEAK HIGH PRESSURE OVER THE AREA WILL SHIFT SOUTHEAST AS A COLD FRONT DROPS DOWN FROM THE NORTHWEST OVERNIGHT. THIS FRONT IS EXPECTED TO BECOME NEARLY STATIONARY ACROSS THE CAROLINAS LATE ON MONDAY AND WILL REMAIN IN THE AREA THROUGH FRIDAY. && .NEAR TERM /THROUGH MONDAY/... AS OF 2 PM EDT...CONVECTION IS BEGINNING TO FIRE OFF PRETTY RAPIDLY OVER MOST OF THE WESTERN NC MTS AND ALONG THE ESCARPMENT. COVERAGE WILL LIKELY INCREASE AS THE AFTERNOON WEARS ON. PREVIOUS DISCUSSION... CURRENT VISIBLE SATELLITE IS SHOWING SOME LINGERING AREAS OF MT VALLEY FOG OVER FAR WESTERN NC. OTHERWISE...MOST SITES ARE CLEAR WITH A FEW MID CLOUDS STARTING TO MOVE INTO THE NC PIEDMONT FROM THE EAST. I EXPECT TO SEE THE DEVELOPMENT OF CUMULUS EARLIER TODAY COMPARED TO THE PAST COUPLE OF DAYS AS CURRENT SOUNDINGS HAVE LESS OF A MID LVL CAP IN PLACE AND DEWPTS ARE HIGHER OVERALL. FZ LVLS HAVE ALSO COME DOWN BY ROUGHLY A 1000FT OR SO COMPARED TO YESTERDAY...SO THE HAIL POTENTIAL IS BETTER AS WELL. && .SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/... AS OF 200 PM SUNDAY...BROAD UPPER TROF WILL CONTINUE TO SLOWLY SINK S TUE-WED AS A SHORTWAVE DROPS INTO IT AND HEIGHTS FALL ACROSS THE REGION WITH WEAK IMPULSES MOVG THRU THE UPPER FLOW. THE ASSOC SFC COLD FRONT IS STILL EXPECTED TO STALL ACROSS THE AREA WITH LIKELY POPS CWA-WIDE. CONVECTION SHOULD TAPER OFF SOME WITH COOLING BUT SOLID CHC POPS WILL BE CARRIED OVERNIGHT. WITH THE CLOUD COVER... SHWRS IN THE AREA AND LOWER THICKNESS...AFTN HIGHS ARE EXPECTED TO BE NEAR OR EVEN A DEG OR TWO BELOW AVG. && .LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/... AS OF 200 PM SUNDAY...MODELS CONTINUE TO SHOW MOST OF THE MEDIUM RANGE DOMINATED BY A WEAK UPPER TROF AXIS TO THE W WITH A STALLED FRONTAL BOUNDARY AND DEEP MOISTURE SETTLED OVER THE AREA. LOWER THICKNESS VALUES...INCREASED CLOUD COVER AND AT LEAST SCT SHWRS ARE EXPECTED TO KEEP TEMPS BELOW AVG. LATEST GUIDANCE SHOWS A SUBTROPICAL RIDGE BUILDING W INTO THE REGION ON SUN WHICH WOULD PUT THE AREA BACK IN THE USUAL DIURNALLY ENHANCED CONVECTIVE PATTERN FOR THIS TIME OF YEAR...BUT WITH TEMPS A CATEGORY OR SO BELOW AVG NEXT SUN AFTN. && .AVIATION /18Z SUNDAY THROUGH FRIDAY/... AT KCLT...EXPECT VFR CONDITIONS THRU MOST OF THE TAF PERIOD WITH SOME BRIEF MVFR VISBY THIS EVENING AND TOMORROW AT THE END OF THE PERIOD FOR TSRA WITH BKN CB. EXACT TIMING/ONSET OF TSRA IS TOUGH TO CALL...BUT IF ANY CONVECTION DOES GET GOING...IT SHOULD PRODUCE HEAVY RAIN AND LIGHTING. OTHERWISE...WINDS WILL BE LIGHT AND FROM THE SW BECOMING MORE NWLY TOMORROW MORNING. ELSEWHERE...EXPECT VFR CONDITIONS THRU PERIOD WITH VCTS FOR THE FIRST 9 HRS OF THE PERIOD AND PROB30 FOR TSRA WITH CB LATER TOMORROW. FOG POTENTIAL WILL BE HIGHEST OVER KAVL IF THEY GET MUCH PRECIP. OUTLOOK...SHRA/TSRA AREA EXPECTED TO BECOME MORE NUMEROUS TOWARD MID WEEK AS THE UPPER RIDGE BREAKS DOWN AND IS REPLACED WITH A TROUGH. AREAS OF MORNING FOG/STRATUS ARE POSSIBLE...ESP IN THE MTN VALLEYS AND WHERE RAIN FALLS. AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)... WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM && .CLIMATE... RECORD HIGH TEMPERATURES... AVL JULY 8TH 96 IN 1988 JULY 9TH 93 IN 1986 GSP JULY 8TH 101 IN 1986 JULY 9TH 100 IN 1993 CLT JULY 8TH 101 IN 2010 JULY 9TH 101 IN 1986 && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR NCZ071-072-082. SC...HEAT ADVISORY UNTIL 6 PM EDT THIS EVENING FOR SCZ009-013-014. && SYNOPSIS...PAT NEAR TERM...JPT SHORT TERM...RB LONG TERM...RB AVIATION...JPT CLIMATE...
Hazardous weather outlook, Jul 8, 5:46 AM EDT, 10 hours 14 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 546 AM EDT SUN JUL 8 2012 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>070-501>510-SCZ001>008-010>012-019-091000- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER- IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-CATAWBA- ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CLEVELAND-LINCOLN-GASTON-CALDWELL MOUNTAINS- GREATER CALDWELL-BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS- EASTERN MCDOWELL-RUTHERFORD MOUNTAINS-GREATER RUTHERFORD- POLK MOUNTAINS-EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS- GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS- GREATER GREENVILLE-SPARTANBURG-CHEROKEE-ANDERSON-ABBEVILLE-LAURENS- GREENWOOD- 546 AM EDT SUN JUL 8 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. CLOUD-TO-GROUND LIGHTNING WILL BE THE MAIN THREAT FROM THE STORMS...BUT A FEW OF THEM COULD BECOME SEVERE WITH DAMAGING WIND GUSTS AND LARGE HAIL. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS WILL BE MORE NUMEROUS ON MONDAY...WITH THE CHANCE THAT SOME OF THEM WILL BE SEVERE IN THE AFTERNOON AND EVENING WITH DAMAGING WIND GUSTS AND LARGE HAIL. .SPOTTER INFORMATION STATEMENT... NONE. NCZ071-072-082-SCZ009-013-014-091000- MECKLENBURG-CABARRUS-UNION NC-YORK-UNION SC-CHESTER- 546 AM EDT SUN JUL 8 2012 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. HEAT ADVISORY. ISOLATED THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON AND THIS EVENING. CLOUD-TO-GROUND LIGHTNING WILL BE THE MAIN THREAT FROM THE STORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. THUNDERSTORMS WILL BE MORE NUMEROUS ON MONDAY...WITH THE CHANCE THAT SOME OF THEM WILL BE SEVERE IN THE AFTERNOON AND EVENING WITH DAMAGING WIND GUSTS AND LARGE HAIL. .SPOTTER INFORMATION STATEMENT... NONE. MOORE
In the hours before
Special weather statement, Jul 8, 1:48 PM EDT, 2 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
148 PM EDT SUN JUL 8 2012
NCZ064-SCZ002-003-081830-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
148 PM EDT SUN JUL 8 2012
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN PICKENS...NORTHWESTERN
GREENVILLE AND SOUTHEASTERN TRANSYLVANIA COUNTIES THROUGH 230 PM
EDT...
AT 146 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF CEDAR MOUNTAIN...OR 6 MILES SOUTH
OF BREVARD. THIS STORM WAS NEARLY STATIONARY.
THIS STORM WILL IMPACT LOCATIONS NEAR...
CAESARS HEAD...
TABLE ROCK RESERVOIR...
PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3527 8273 3521 8260 3516 8259 3515 8258
3516 8256 3516 8255 3497 8264 3509 8290
RBSpecial weather statement, Jul 8, 2:22 PM EDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 222 PM EDT SUN JUL 8 2012 NCZ051-052-059-081900- HAYWOOD-NORTHERN JACKSON-SWAIN- 222 PM EDT SUN JUL 8 2012 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN SWAIN... NORTHWESTERN JACKSON AND WESTERN HAYWOOD COUNTIES THROUGH 300 PM EDT... AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR SMOKEMONT...OR 11 MILES NORTH OF SYLVA. THIS STORM WAS NEARLY STATIONARY. THIS STORM WILL IMPACT LOCATIONS NEAR... CHEROKEE... PEA SIZE HAIL...WIND GUSTS OF 30 TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED WITH THIS STORM. LAT...LON 3549 8304 3534 8329 3555 8343 3566 8325 RB
Special weather statement, Jul 8, 2:52 PM EDT, 1 hour 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT SUN JUL 8 2012
SCZ003-081915-
GREENVILLE MOUNTAINS-
252 PM EDT SUN JUL 8 2012
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN GREENVILLE COUNTY
THROUGH 315 PM EDT...
AT 250 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF GOWENSVILLE...OR 11 MILES SOUTH
OF COLUMBUS. THIS STORM WAS NEARLY STATIONARY.
PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.
LAT...LON 3514 8235 3516 8222 3508 8222 3507 8222
3506 8223 3504 8230 3503 8233
NEDSpecial weather statement, Jul 8, 3:16 PM EDT, 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 316 PM EDT SUN JUL 8 2012 SCZ007-008-082000- CHEROKEE-SPARTANBURG- 316 PM EDT SUN JUL 8 2012 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN SPARTANBURG AND WESTERN CHEROKEE COUNTIES THROUGH 400 PM EDT... AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTH OF COWPENS...OR 8 MILES EAST OF SPARTANBURG...MOVING WEST AT 10 MPH. THIS STORM WILL IMPACT LOCATIONS NEAR... COWPENS... PEA SIZE HAIL...WIND GUSTS OF 30 TO 40 MPH AND TORRENTIAL RAIN ARE EXPECTED WITH THIS STORM. LAT...LON 3509 8194 3507 8172 3492 8166 3486 8183 NED
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 3:44 AM EDT | Heat Advisory | GSP | Chester, Union, York | 14 hr |
| Jul 8, 1:51 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 23 min |
| Jul 8, 1:55 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Oconee, Pickens | 65 min |
| Jul 8, 3:05 PM EDT | Severe Thunderstorm Warning | GSP | Oconee, Pickens | 55 min |
| Jul 8, 3:16 PM EDT | Special Weather Statement | GSP | Spartanburg | 44 min |
| Jul 8, 5:47 PM EDT | Special Weather Statement | GSP | York | 28 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.