Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 569, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Sep 18, 2012, 2:42 PM EDT for 5 counties in South Carolina. It was in force for 63 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
- Sep 18, 2012, 2:42 PM EDT (18:42 UTC)
- Expired
- Sep 18, 2012, 3:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Abbeville County, SC, Anderson County, SC, Greenville County, SC, Oconee County, SC, Pickens County, SC
The radar
The Greer radar (KGSP), 45 km from the middle of the area, began a volume at 18:44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 18, 2:46 PM EDT | TSTM WND DMG | 5 W Anderson, SC | ONE TREE DOWN ALONG NEW HOPE ROAD BETWEEN COUNTRY MEADOWS AND NURSERY LANE. ALSO LIMBS DOWN WITH A FEW OF THEM BEING LARGER THAN 2 INCHES DIAMETER EXTENDING EAST NORTHEAST FROM THE DOWNED TREE. A GREATER CONCENTRATION OF THESE DOWNED LIMBS WERE IN THE GERRAND |
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 4 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.7 hours before the alert went out and 226 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
- 491 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.3
The text
As transmitted, in the capitals the NWS used until 2016.
312
WUUS52 KGSP 181842
SVRGSP
SCC001-007-045-073-077-181945-
/O.NEW.KGSP.SV.W.0569.120918T1842Z-120918T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
242 PM EDT TUE SEP 18 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN ABBEVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA...
SOUTHERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA...
EAST CENTRAL OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...
SOUTHERN PICKENS COUNTY IN UPSTATE SOUTH CAROLINA...
* UNTIL 345 PM EDT
* AT 241 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM SENECA TO 7 MILES NORTHEAST
OF REED CREEK TO HARTWELL...AND MOVING EAST AT 40 MPH.
* SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
CENTRAL...NORRIS AND SANDY SPRINGS.
IVA AND ANDERSON.
LIBERTY.
SECESSION LAKE AND BROADWAY LAKE.
ANTREVILLE.
WILLIAMSTON AND BELTON.
POWDERSVILLE AND PIEDMONT.
WHITE HORSE ROAD AT I-85 AND HONEA PATH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DAMAGING WIND GUSTS ARE LIKELY ALONG THIS LINE. THE LINE WILL ALSO
HAVE TO BE CLOSELY MONITORED SINCE CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF A BRIEF...WEAK TORNADO. SEEK SHELTER IN AN INTERIOR
ROOM ON THE LOWEST FLOOR OF A HOUSE OR OFFICE BUILDING.
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 3434 8280 3437 8284 3445 8286 3449 8291
3473 8299 3491 8252 3496 8229 3493 8223
3486 8223 3478 8215 3459 8224 3454 8224
3449 8231 3441 8225 3427 8254 3426 8275
TIME...MOT...LOC 1841Z 257DEG 28KT 3467 8284 3453 8279
3436 8282
$$
HG4 follow-up statements
912
WWUS52 KGSP 181854
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
254 PM EDT TUE SEP 18 2012
SCC073-181904-
/O.CAN.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
OCONEE SC-
254 PM EDT TUE SEP 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL OCONEE COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS
AREA.
LAT...LON 3426 8275 3437 8284 3446 8282 3463 8282
3473 8286 3475 8289 3491 8252 3496 8229
3493 8223 3486 8223 3478 8215 3459 8224
3454 8224 3449 8231 3441 8225 3427 8254
TIME...MOT...LOC 1854Z 257DEG 28KT 3469 8269 3455 8264
3438 8267
$$
SCC001-007-045-077-181945-
/O.CON.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
ABBEVILLE SC-ANDERSON SC-GREENVILLE SC-PICKENS SC-
254 PM EDT TUE SEP 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
PICKENS...SOUTHERN GREENVILLE...ANDERSON AND NORTHERN ABBEVILLE
COUNTIES UNTIL 345 PM EDT...
AT 252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM CENTRAL TO ANDERSON TO 5 MILES
NORTH OF IVA...MOVING EAST AT 30 MPH.
SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
SECESSION LAKE AND BROADWAY LAKE.
ANTREVILLE.
BELTON.
POWDERSVILLE AND WILLIAMSTON.
PIEDMONT.
WHITE HORSE ROAD AT I-85 AND HONEA PATH.
DONALDSON CENTER.
MAULDIN AND HAYWOOD MALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS ARE CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.
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 3426 8275 3437 8284 3446 8282 3463 8282
3473 8286 3475 8289 3491 8252 3496 8229
3493 8223 3486 8223 3478 8215 3459 8224
3454 8224 3449 8231 3441 8225 3427 8254
TIME...MOT...LOC 1854Z 257DEG 28KT 3469 8269 3455 8264
3438 8267
$$
NED333
WWUS52 KGSP 181915
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
315 PM EDT TUE SEP 18 2012
SCC001-077-181925-
/O.CAN.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
ABBEVILLE SC-PICKENS SC-
315 PM EDT TUE SEP 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PICKENS AND NORTHERN
ABBEVILLE COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS
AREA.
LAT...LON 3432 8258 3452 8260 3462 8264 3474 8261
3479 8256 3492 8229 3493 8223 3486 8223
3478 8215 3459 8224 3454 8224
TIME...MOT...LOC 1915Z 257DEG 28KT 3473 8250 3459 8245
3442 8248
$$
SCC007-045-181945-
/O.CON.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
ANDERSON SC-GREENVILLE SC-
315 PM EDT TUE SEP 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
GREENVILLE AND EASTERN ANDERSON COUNTIES UNTIL 345 PM EDT...
AT 312 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM PIEDMONT TO WILLIAMSTON TO 6 MILES SOUTHEAST OF BROADWAY LAKE...
MOVING EAST AT 30 MPH.
SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
PIEDMONT.
WHITE HORSE ROAD AT I-85 AND HONEA PATH.
DONALDSON CENTER.
MAULDIN AND HAYWOOD MALL.
SHOPS AT GREENRIDGE AND SIMPSONVILLE.
FIVE FORKS...PELHAM ROAD AT I-85 AND FOUNTAIN INN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS ARE CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.
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 3432 8258 3452 8260 3462 8264 3474 8261
3479 8256 3492 8229 3493 8223 3486 8223
3478 8215 3459 8224 3454 8224
TIME...MOT...LOC 1915Z 257DEG 28KT 3473 8250 3459 8245
3442 8248
$$
NED174
WWUS52 KGSP 181928
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
328 PM EDT TUE SEP 18 2012
SCC007-181938-
/O.CAN.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
ANDERSON SC-
328 PM EDT TUE SEP 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN ANDERSON COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THIS
AREA.
LAT...LON 3462 8245 3464 8245 3468 8246 3477 8245
3482 8248 3492 8229 3493 8223 3486 8223
3478 8215 3460 8224 3454 8224 3449 8232
TIME...MOT...LOC 1928Z 257DEG 28KT 3481 8239 3469 8233
3457 8229
$$
SCC045-181945-
/O.CON.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
GREENVILLE SC-
328 PM EDT TUE SEP 18 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
GREENVILLE COUNTY UNTIL 345 PM EDT...
AT 325 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM WHITE HORSE ROAD AT I-85 TO DONALDSON CENTER TO 8 MILES
NORTHWEST OF HICKORY TAVERN...MOVING EAST AT 30 MPH.
SEVERE THUNDERSTORMS WILL IMPACT LOCATIONS NEAR...
HAYWOOD MALL...SIMPSONVILLE AND MAULDIN.
SHOPS AT GREENRIDGE AND FOUNTAIN INN.
PELHAM ROAD AT I-85 AND FIVE FORKS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS ARE CAPABLE OF BLOWING DOWN SCATTERED TREES AND POWER
LINES. SEEK SHELTER INSIDE AN INTERIOR ROOM.
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 3462 8245 3464 8245 3468 8246 3477 8245
3482 8248 3492 8229 3493 8223 3486 8223
3478 8215 3460 8224 3454 8224 3449 8232
TIME...MOT...LOC 1928Z 257DEG 28KT 3481 8239 3469 8233
3457 8229
$$
NED816
WWUS52 KGSP 181939
SVSGSP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
339 PM EDT TUE SEP 18 2012
SCC045-181950-
/O.EXP.KGSP.SV.W.0569.000000T0000Z-120918T1945Z/
GREENVILLE SC-
339 PM EDT TUE SEP 18 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GREENVILLE COUNTY
WILL EXPIRE AT 345 PM EDT...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED BELOW
SEVERE LEVELS. HOWEVER HEAVY RAIN IS STILL POSSIBLE WITH THESE
THUNDERSTORMS.
LAT...LON 3462 8245 3464 8245 3468 8246 3477 8245
3482 8248 3492 8229 3493 8223 3486 8223
3478 8215 3460 8224 3454 8224 3449 8232
TIME...MOT...LOC 1940Z 257DEG 28KT 3483 8228 3471 8222
3459 8218
$$
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 Sep 18, 2:25 PM EDT, 17 minutes earlier.
Area forecast discussion, Sep 18, 2:25 PM EDT, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
225 PM EDT TUE SEP 18 2012
.SYNOPSIS...
A COLD FRONT WILL SLOWLY CROSS OUR REGION FROM THE WEST REACHING THE
COAST BY WEDNESDAY MORNING. DRIER HIGH PRESSURE THEN BUILDS IN FROM
THE OHIO RIVER VALLEY AND WILL REMAIN OVER THE AREA THROUGH MID
WEEK. EXPECT THE NEXT COLD FRONT TO CROSS OUR AREA DURING THE
WEEKEND.
&&
.NEAR TERM /THROUGH WEDNESDAY/...
CONVECTION ALONG THE NRN END OF PRE-FRONTAL MOISTURE BOUNDARY IS
WEAKENING AS IT MOVES INTO THE PIEDMONT WHICH WAS WORKED OVER BY THE
EARLIER STRONG STORMS. THE SRN END OF THE LINE IS MAINTAINING ITS
STRENGTH AS IT MOVES INTO AN AREA NOT AS WORKED OVER. THIS SEGMENT
IS ALSO WHERE A TRIPLE POINT LOW ALONG THE LINE WILL HELP WITH KEEP
LOW LEVEL CONVERGENCE HIGH. EVEN WITH WEAKENING ACROSS THE NORTH...
WIDESPREAD SHOWERS WILL MOVE ACROSS THE AREA THRU THE AFTERNOON AS
COVERAGE REMAINS HIGH. A SVR STORM OR TWO IS STILL POSSIBLE ACROSS
THE UPSTATE AND NE GA WHERE INSTABILITY IS HIGHER AND SHEAR REMAINS
STRONG. SVR POTENTIAL WILL DECREASE BEHIND THE LINE OF STORMS...BUT
SHRA WILL LINGER AS THE POLAR FRONT MOVES INTO THE AREA. WILL KEEP
THE FFA IN PLACE THRU EXPIRATION AS PRECIP SLOWLY TAPERS OFF AND
SOME FLOODING CONTINUES. THIS FRONT WILL MOVE EAST DURING THE
EVENING ENDING THE PRECIP THREAT. GUSTY WINDS WILL CONTINUE AHEAD OF
THE FIRST BOUNDARY WITH WIND SHIFTING SLIGHTLY BEHIND AND SPEEDS
SLOWLY DIMINISHING. WINDS WILL SHIFT TO THE NORTH BEHIND THE POLAR
FRONT BUT REMAIN ABOVE CALM. THERE COULD BE SOME BRIEF FOG THIS
EVENING AS WINDS DIMINISH AND LOW LEVEL MOISTURE LINGER.
HOWEVER...EXPECT ANY FOG OUTSIDE OF THE MTNS TO BE SHORT LIVED AS
DRIER AIR MOVES IN AND WINDS KEEP THE ATMOS SLIGHTLY MIXED. CANNOT
RULE OUT SOME DENSE MTN VALLEY FOG OVERNIGHT...BUT WINDS AND
LINGERING CLOUDS SHUD KEEP IT IN THE PATCHY RANGE. LOWS WILL
ACTUALLY BE NEAR TO SLIGHTLY ABOVE NORMAL AS CLOUDS AND WINDS KEEP
ATMOS MIXED AND WARM.
HIGH PRESSURE BEGINS TO BUILD INTO THE AREA WED...BUT THE CENTER OF
THE HIGH REMAINS TO OUR NORTH KEEPING A DECENT PRESSURE GRADIENT
ACROSS THE AREA THRU MUCH OF THE DAY. WITH BREEZY WINDS JUST ABOVE
THE SURFACE WED MORN...EXPECT GUSTY CONDITIONS TO DEVELOP AS MIXING
BEGINS BY MID MORNING. THE GUSTS WILL LINGER THRU THE EARLY
AFTERNOON BEFORE DIMINISHING LATE IN THE DAY. CLOUDS MAY SCATTER OUT
BRIEFLY WED MORN...BUT SHUD RETURN ACROSS MUCH OF THE AREA BY
AFTERNOON AS HEATING ACTS ON LINGERING LOW LEVEL MOISTURE. EXPECT
THE DRY FCST TO CONTINUE. HIGHS WILL BE 5 TO 10 DEGREES BELOW NORMAL.
&&
.SHORT TERM /WEDNESDAY NIGHT THROUGH FRIDAY/...
AS OF 145 PM TUESDAY...THE SHORT TERM LOOKS TO BE QUIET...AS DRY
HIGH PRES LINGERS ALONG THE EAST COAST AHEAD OF ANOTHER COLD FRONT
THAT WILL DROP SOUTH OUT OF CANADA INTO THE UPPER MIDWEST. FCST
SNDGS LOOK STABLE FOR THURSDAY. ON FRIDAY...THE NAM HAS A FINGER OF
LLVL ATLANTIC MOISTURE ROUND THE BACKSIDE OF THE HIGH PRES SYSTEM
INTO THE SOUTHERN APPALACHIANS RESULTING IN CAPES OVER 1000 J/KG IN
THE MTNS. WILL KEEP THE FCST DRY FOR NOW. TEMPS ARE EXPECTED TO
SLOWLY TREND BACK TO NEAR NORMAL BY FRIDAY...AS HEIGHTS RISE ALOFT
AND THE AIR MASS IN PLACE MODERATES.
&&
.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
AS OF NOON TUESDAY...THE MAIN WEATHER FEATURE IN THE EXTENDED IS
ANOTHER STRONG COLD FROPA THIS WEEKEND. THE MODELS HAVE TRENDED A
LITTLE SLOWER WITH THE TIMING OF THE FRONT...BUT STILL EXPECTING IT
TO CROSS THE AREA LATE SATURDAY AND BE THRU THE AREA BY SUNDAY
MORNING. THE GULF WILL BE CLOSED FOR BUSINESS WITH THIS FRONT...SO
ONLY A CHC POP FOR THE MTNS WITH THE FRONT AND SLGT CHC ELSEWHERE
SATURDAY INTO SATURDAY NIGHT.
CANADIAN HIGH PRES WILL BUILD IN ACRS THE REGION BEHIND THE FRONT
SUNDAY INTO MONDAY AND SETTLE ALONG THE EAST COAST ON TUESDAY. THE
CWFA WILL EXPERIENCE FALL-LIKE CONDITIONS WITH TEMPS ABOUT 5-10
DEGREES BELOW NORMAL ON MONDAY...THEN BOUNCE BACK A CATEGORY OR SO
ON TUESDAY.
&&
.AVIATION /19Z TUESDAY THROUGH SUNDAY/...
AT KCLT AND ELSEWHERE...LINE OF CONVECTION DEVELOPING ON PRE-FRONTAL
MOISTURE BOUNDARY WILL SPREAD SLOWLY EAST ACROSS THE AREA THRU THE
REST OF THE AFTERNOON. HAVE TEMPO TS AND MVFR CONDITIONS FOR THE
CONVECTION...XCPT TEMPO IFR KAVL WHERE CONDITIONS ARE WORSE. AFTER
THIS LINE MOVES THRU...SHRA WILL LINGER AHEAD OF THE MAIN FRONTAL
BOUNDARY UNTIL EARLY EVENING WHEN THAT FRONT MOVES THRU. THERE WILL
BE A SMALL WIND SHIFT FROM SSW TO WSW WITH THE FIRST FRONT...THEN TO
N TO NW BEHIND THE SECOND. THERE WILL BE SOME LOW END GUSTS THIS
AFTERNOON...THEN STEADY ABOVE CALM SPEEDS OVERNIGHT. MVFR CIGS WILL
LINGER UNTIL THE SECOND FRONT PASSES THRU. COULD BE SOME BRIEF MVFR
FOG UNTIL DRIER AIR WORKS IN BEHIND THE SECOND FRONT. HOWEVER...DO
NOT EXPECT ANY SIGNIFICANT VSBY RESTRICTIONS EXCEPT IN THE MTN
VALLEYS AS AIR SHUD REMAIN MIXED EVEN IF THE DRIER AIR IS SLOWER TO
MOVE IN. CIGS SHUD BECOME LOW VFR OR EVEN SCATTER OUT BEHIND THE
SECOND FRONT. EXPECT LOW VFR CLOUDS TO RETURN OR CONTINUE WED
MORNING HEATING ACTS ON THE LINGERING LOW LEVEL MOISTURE OVER THE
AREA. GUSTY NELY WINDS WILL DEVELOP WITH MIXING BY MID MORNING AND
CONTINUE THRU AT LEAST EARLY AFTERNOON.
OUTLOOK...HIGH PRESSURE WILL BUILD OVER THE REGION FOR THE END OF
THE WEEK PRODUCING VFR CONDITIONS.
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
&&
.GSP WATCHES/WARNINGS/ADVISORIES...
GA...FLOOD WATCH UNTIL 6 PM EDT THIS EVENING FOR GAZ010-017.
NC...FLOOD WATCH UNTIL 6 PM EDT THIS EVENING FOR NCZ033-048>053-058-
059-062>065-501-503-505-507-509.
SC...FLOOD WATCH UNTIL 6 PM EDT THIS EVENING FOR SCZ001>003.
&&
SYNOPSIS...PAT
NEAR TERM...RWH
SHORT TERM...ARK
LONG TERM...ARK
AVIATION...RWHHazardous weather outlook, Sep 18, 3:08 AM EDT, 11 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 308 AM EDT TUE SEP 18 2012 GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509- SCZ001>003-190715- RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE- GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- 308 AM EDT TUE SEP 18 2012 ...FLOOD WATCH IN EFFECT UNTIL NOON EDT TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN 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. FLOOD WATCH. THE THREAT FOR LOCALLY HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL CONTINUE TODAY. THERE IS ALSO THE POSSIBILITY THAT THUNDERSTORMS WILL BE STRONG ENOUGH TO PRODUCING LOCALIZED DAMAGING WIND GUSTS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF DAMAGING WINDS OR FLASH FLOODING TO OUR OFFICE. GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508- 510-SCZ004>014-019-190715- STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD- EASTERN POLK-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE- SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC- CHESTER-GREENWOOD- 308 AM EDT TUE SEP 18 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. THE THREAT OF LOCALLY HEAVY RAIN WILL CONTINUE TODAY AND THUNDERSTORMS ARE ALSO EXPECTED TO REDEVELOP. LOCALLY STRONG TO SEVERE STORMS MAY BE SEEN AS WELL...PRODUCING HAIL OR DAMAGING WIND GUSTS...AND PERHAPS EVEN A BRIEF TORNADO. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.
In the hours before
Local storm report, Sep 18, 12:01 PM EDT, 2 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1201 PM EDT TUE SEP 18 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1140 AM FLASH FLOOD JONAS RIDGE 35.97N 81.89W
09/18/2012 BURKE NC BROADCAST MEDIA
FLOODING OF HIGHWAY NC 183. ROADWAY COVERED FROM FLOODED
CREEK.
&&
HGSpecial weather statement, Sep 18, 12:40 PM EDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1240 PM EDT TUE SEP 18 2012
NCZ071-082-SCZ009-181730-
MECKLENBURG-UNION-YORK-
1240 PM EDT TUE SEP 18 2012
...STRONG THUNDERSTORMS WILL AFFECT EASTERN YORK...MECKLENBURG AND
UNION COUNTIES THROUGH 130 PM EDT...
AT 1240 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHWEST OF
LAKE WYLIE TO FORT MILL TO CATAWBA...MOVING NORTHEAST AT 45 MPH.
THESE STORMS WILL IMPACT LOCATIONS NEAR...
PAW CREEK...
I-77 AT I-85...
MINT HILL...
UNC CHARLOTTE...
UNIONVILLE...
MARSHVILLE...
PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH...AND TORRENTIAL RAIN ARE
EXPECTED WITH THESE STORMS.
LAT...LON 3483 8031 3481 8043 3481 8079 3494 8079
3505 8089 3484 8086 3482 8089 3482 8097
3515 8118 3515 8101 3530 8101 3540 8076
3535 8069 3527 8066 3517 8046 3495 8030
HGSpecial weather statement, Sep 18, 12:41 PM EDT, 2 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1241 PM EDT TUE SEP 18 2012
NCZ036-037-056-057-181745-
CATAWBA-DAVIE-IREDELL-ROWAN-
1241 PM EDT TUE SEP 18 2012
...STRONG THUNDERSTORMS WILL AFFECT DAVIE...EASTERN CATAWBA...IREDELL
AND NORTHERN ROWAN COUNTIES THROUGH 145 PM EDT...
AT 1239 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM COURTNEY TO
CATAWBA...MOVING EAST AT 35 MPH.
THESE STORMS WILL IMPACT LOCATIONS NEAR...
STATESVILLE...
FARMINGTON...
TROUTMAN...
BERMUDA RUN...
ADVANCE...
COOLEEMEE...
WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS.
HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER
GROUND IF THREATENED BY FLOOD WATERS.
LAT...LON 3561 8130 3606 8069 3605 8049 3607 8046
3601 8041 3599 8041 3596 8037 3589 8036
3588 8041 3585 8038 3582 8046 3579 8047
3574 8045 3571 8032 3568 8033 3563 8029
JOHSpecial weather statement, Sep 18, 12:45 PM EDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1245 PM EDT TUE SEP 18 2012 NCZ036-056-057-068>072-508-181745- CABARRUS-CATAWBA-CLEVELAND-GASTON-GREATER RUTHERFORD-IREDELL-LINCOLN-MECKLENBURG-ROWAN- 1245 PM EDT TUE SEP 18 2012 ...STRONG THUNDERSTORMS WILL AFFECT CLEVELAND...GASTON...LINCOLN... NORTHWESTERN CABARRUS...NORTHWESTERN MECKLENBURG...SOUTHEASTERN IREDELL...SOUTHEASTERN RUTHERFORD...SOUTHERN CATAWBA AND SOUTHERN ROWAN COUNTIES THROUGH 145 PM EDT... AT 1244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF VALE TO CLIFFSIDE...MOVING EAST AT 35 MPH. THESE STORMS WILL IMPACT LOCATIONS NEAR... MAIDEN... SHELBY... LINCOLNTON... TERRELL... IRON STATION... LAKE NORMAN... WIND GUSTS OF 40 TO 50 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH THESE STORMS. HEAVY RAINS MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS. LAT...LON 3564 8036 3516 8103 3519 8194 3561 8135 JOH
Special weather statement, Sep 18, 1:47 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
147 PM EDT TUE SEP 18 2012
GAZ018-026-028-SCZ001-004-010-181815-
ANDERSON-FRANKLIN-GREATER OCONEE-HART-OCONEE MOUNTAINS-STEPHENS-
147 PM EDT TUE SEP 18 2012
...STRONG THUNDERSTORMS WILL AFFECT FRANKLIN...HART...SOUTHERN
OCONEE...STEPHENS AND WESTERN ANDERSON COUNTIES THROUGH 215 PM EDT...
AT 147 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM OAKWAY TO 5 MILES
SOUTH OF EASTANOLEE TO COMMERCE...MOVING NORTHEAST AT 40 MPH.
THESE STORMS WILL IMPACT LOCATIONS NEAR...
MARTIN...
SENECA...
LAKE HARTWELL...
LAKE KEOWEE...
ROYSTON...
LAVONIA...
PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH...AND TORRENTIAL RAIN ARE
EXPECTED WITH THESE STORMS. LOW LYING AND POOR DRAINAGE AREAS MAY
EXPERIENCE FLOODING.
LAT...LON 3426 8334 3432 8340 3442 8339 3446 8340
3448 8346 3466 8336 3486 8291 3479 8288
3474 8290 3473 8286 3467 8285 3464 8281
3444 8272 3430 8294 3425 8311 3426 8313
3423 8317 3426 8331 3422 8335
HGSpecial weather statement, Sep 18, 2:15 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
215 PM EDT TUE SEP 18 2012
GAZ028-SCZ004-005-010-181845-
ANDERSON-GREATER OCONEE-GREATER PICKENS-HART-
215 PM EDT TUE SEP 18 2012
...STRONG THUNDERSTORMS WILL AFFECT HART...SOUTHEASTERN OCONEE...
SOUTHWESTERN PICKENS AND WESTERN ANDERSON COUNTIES THROUGH 245 PM
EDT...
AT 215 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM OAKWAY TO 3 MILES
EAST OF WHITWORTH TO ROYSTON...MOVING EAST AT 40 MPH.
THESE STORMS WILL IMPACT LOCATIONS NEAR...
SENECA...
CLEMSON...
CENTRAL...
ANDERSON...
PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH...AND TORRENTIAL RAIN ARE
EXPECTED WITH THESE STORMS. THE HEAVY RAINFALL MAY FLOOD LOW LYING
AND POOR DRAINAGE AREAS. IN ADDITION...THE GUSTY WINDS COULD TOPPLE
A FEW TREES IN AREAS WITH VERY WET SOIL.
LAT...LON 3427 8312 3428 8310 3441 8310 3450 8305
3451 8308 3453 8308 3456 8313 3462 8314
3471 8303 3487 8266 3464 8256 3437 8264
3423 8309
HGThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 10:42 AM EDT | Special Weather Statement | GSP | Greenwood, Laurens | 48 min |
| Sep 18, 11:23 AM EDT | Special Weather Statement | GSP | Union | 37 min |
| Sep 18, 11:39 AM EDT | Special Weather Statement | GSP | Union | 36 min |
| Sep 18, 11:53 AM EDT | Special Weather Statement | GSP | Cherokee | 37 min |
| Sep 18, 1:47 PM EDT | Special Weather Statement | GSP | Oconee | 28 min |
| Sep 18, 2:15 PM EDT | Special Weather Statement | GSP | Anderson | 30 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.