Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 405, NWS Greenville-Spartanburg, SC

June 18, 20115 counties in North Carolina; York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 18, 2011, 3:56 PM EDT for 5 counties in North Carolina; York County, South Carolina. It was in force for 79 min. 14 reports 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
Jun 18, 2011, 3:56 PM EDT (19:56 UTC)
Expired
Jun 18, 2011, 5:15 PM EDT
In force
79 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Catawba County, NC, Cleveland County, NC, Gaston County, NC, Lincoln County, NC, Mecklenburg County, NC, York County, SC

The radar

The Greer radar (KGSP), 109 km from the middle of the area, began a volume at 19:56 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

TimeReportWhereRemark
Jun 18, 4:05 PM EDTTSTM WND DMG5 Ssw Gastonia, NCLARGE TREE LIMBS DOWN ON CROWDERS CREEK RD NEAR WHITWORTH RD.
Jun 18, 4:06 PM EDTTSTM WND DMGCornelius, NCTREES DOWN
Jun 18, 4:07 PM EDTTSTM WND DMG9 Sw Mooresville, NCEM REPORTS TREES AND POWER LINES DOWN ON STONEMAKER RD.
Jun 18, 4:12 PM EDTTSTM WND DMG4 Nnw Clover, NCTREES DOWN NEAR CROWDERS CREEK RD AND WILD WING DR
Jun 18, 4:23 PM EDTTSTM WND DMG2 S Croft, NCPOWERLINES DOWN OAK DRIVE
Jun 18, 4:24 PM EDTTSTM WND DMG1 Ne Charlotte, NCTREES DOWN ON EAST COOK ST
Jun 18, 4:24 PM EDTTSTM WND DMG4 W Newell, NCTREES DOWN ON WOODSTONE DR
Jun 18, 4:28 PM EDTTSTM WND DMG3 Sw Charlotte, NCTREES DOWN NEAR TYVOLA RD AND OLD STATESVILLE RD
Jun 18, 4:31 PM EDTTSTM WND DMG5 Ene Charlotte, NCPUBLIC REPORTS A LARGE TREE DOWN BLOCKING WILANN DR.
Jun 18, 4:33 PM EDTTSTM WND DMG2 Ne Charlotte, NCPOWERLINES DOWN NEAR CENTRAL AVE AND ST. JULIEN ST
Jun 18, 4:38 PM EDTTSTM WND DMG3 Ssw Charlotte, NCPOWERLINES DOWN ALONG FARMBROOK DR
Jun 18, 4:39 PM EDTTSTM WND DMG2 Ssw Newell, NCTREES DOWN ALONG BARRINGTON DR
Jun 18, 4:41 PM EDTTSTM WND DMG4 Ssw Harrisburg, NCTREES DOWN NEAR ROCKY RIVER AND HOOD ROADS
Jun 18, 4:44 PM EDTTSTM WND DMG1 Wnw Charlotte, NCPOWER LINES DOWN ALONG MAGNOLIA AVE

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 14 storm reports to this severe thunderstorm warning; the first came 9 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 18, 11:05 AM EDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.9 hours before the alert went out and 141 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 2011-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 166 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 2011-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
166 J/kg
Mixed-layer CIN
-76 J/kg
Mixed-layer LCL
1389 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
-56 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

074 
WUUS52 KGSP 181956
SVRGSP
NCC035-045-071-109-119-SCC091-182115-
/O.NEW.KGSP.SV.W.0405.110618T1956Z-110618T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
356 PM EDT SAT JUN 18 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CATAWBA COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  CLEVELAND COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  GASTON COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  LINCOLN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  YORK COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 515 PM EDT

* AT 351 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 3 MILES EAST OF MAIDEN TO 3
  MILES EAST OF EARL...OR ALONG A LINE EXTENDING FROM 7 MILES
  SOUTHEAST OF NEWTON TO 8 MILES SOUTHEAST OF SHELBY...MOVING EAST AT
  45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BULLOCK CREEK AND IRON STATION...
  TERRELL AND LAKE NORMAN...
  RANLO AND LUCIA...
  MCCONNELLS AND MOUNTAIN ISLAND LAKE...
  PAW CREEK AND HUNTERSVILLE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS LINE OF SEVERE THUNDERSTORMS IS CAPABLE OF PRODUCING WIND SPEEDS
OF 60 TO 75 MPH. THESE WINDS CAN TOPPLE TREES AND POWER LINES. SEEK
SHELTER ON THE LOWEST LEVEL OF YOUR HOME OR OFFICE BUILDING. AVOID
ROOMS THAT MAY BE DAMAGED BY FALLING TREES. IF DRIVING...PULL OVER IN
A CLEAR AREA AWAY FROM LARGE TREES AND POWER POLES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
SATURDAY EVENING FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA AND
CENTRAL SOUTH CAROLINA.

&&

LAT...LON 3500 8084 3506 8090 3483 8087 3483 8146
      3503 8148 3505 8141 3518 8136 3519 8176
      3535 8170 3558 8169 3557 8154 3580 8133
      3583 8114 3572 8107 3562 8093 3550 8096
      3550 8079 3540 8077 3527 8067 3520 8056
TIME...MOT...LOC 1955Z 281DEG 40KT 3557 8109 3518 8142

$$

NED
3 follow-up statements
022 
WWUS52 KGSP 182015
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
415 PM EDT SAT JUN 18 2011

NCC045-182024-
/O.CAN.KGSP.SV.W.0405.000000T0000Z-110618T2115Z/
CLEVELAND NC-
415 PM EDT SAT JUN 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR CLEVELAND COUNTY IS
CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
SATURDAY EVENING FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA AND
CENTRAL SOUTH CAROLINA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 1100 PM EDT SATURDAY EVENING FOR NORTHEAST GEORGIA AND
CENTRAL SOUTH CAROLINA.

LAT...LON 3520 8056 3500 8083 3506 8090 3483 8087
      3483 8146 3503 8148 3505 8141 3517 8137
      3517 8133 3526 8132 3532 8137 3543 8128
      3581 8115 3572 8107 3562 8093 3550 8096
      3550 8079 3540 8077 3529 8069
TIME...MOT...LOC 2014Z 281DEG 40KT 3552 8089 3511 8122

$$

NCC035-071-109-119-SCC091-182115-
/O.CON.KGSP.SV.W.0405.000000T0000Z-110618T2115Z/
CATAWBA NC-GASTON NC-LINCOLN NC-MECKLENBURG NC-YORK SC-
415 PM EDT SAT JUN 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR YORK...MECKLENBURG...EASTERN LINCOLN...GASTON AND EASTERN CATAWBA
COUNTIES...

AT 408 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM LAKE NORMAN TO 4 MILES EAST OF KINGS MOUNTAIN STATE
PARK...OR ALONG A LINE EXTENDING FROM 16 MILES EAST OF LINCOLNTON TO
9 MILES NORTHWEST OF YORK...MOVING EAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MOUNT 
HOLLY...CRAMERTON...MCCONNELLS...DAVIDSON...MOUNTAIN ISLAND 
LAKE...HUNTERSVILLE...LAKE WYLIE...TEGA CAY...ROCK HILL...CENTER 
CITY CHARLOTTE...PINEVILLE...SOUTHPARK MALL...MATTHEWS AND MINT HILL

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM WINDOWS AND
DOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3520 8056 3500 8083 3506 8090 3483 8087
      3483 8146 3503 8148 3505 8141 3517 8137
      3517 8133 3526 8132 3532 8137 3543 8128
      3581 8115 3572 8107 3562 8093 3550 8096
      3550 8079 3540 8077 3529 8069
TIME...MOT...LOC 2014Z 281DEG 40KT 3552 8089 3511 8122

$$
MCAVOY
883 
WWUS52 KGSP 182035
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
435 PM EDT SAT JUN 18 2011

NCC035-109-182043-
/O.CAN.KGSP.SV.W.0405.000000T0000Z-110618T2115Z/
CATAWBA NC-LINCOLN NC-
435 PM EDT SAT JUN 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LINCOLN AND EASTERN
CATAWBA COUNTIES IS CANCELLED...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 PM EDT
SATURDAY EVENING FOR NORTHEAST GEORGIA AND WESTERN NORTH CAROLINA AND
CENTRAL SOUTH CAROLINA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 1100 PM EDT SATURDAY EVENING FOR NORTHEAST GEORGIA AND
CENTRAL SOUTH CAROLINA.

LAT...LON 3520 8056 3501 8083 3506 8090 3483 8087
      3483 8146 3503 8148 3505 8141 3512 8133
      3518 8121 3530 8109 3540 8094 3550 8092
      3550 8079 3540 8077 3529 8069
TIME...MOT...LOC 2033Z 281DEG 40KT 3548 8064 3501 8101

$$

NCC071-119-SCC091-182115-
/O.CON.KGSP.SV.W.0405.000000T0000Z-110618T2115Z/
GASTON NC-MECKLENBURG NC-YORK SC-
435 PM EDT SAT JUN 18 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR YORK...MECKLENBURG AND SOUTHEASTERN GASTON COUNTIES...

AT 425 PM EDT...A LINE OF SEVERE THUNDERSTORMS WAS REPORTED CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES EAST OF DAVIDSON TO 6
MILES WEST OF TEGA CAY...OR ALONG A LINE EXTENDING FROM 10 MILES
NORTHWEST OF CONCORD TO 7 MILES EAST OF YORK...MOVING EAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CENTER CITY CHARLOTTE...ROCK HILL...SOUTHPARK MALL AND UNC
  CHARLOTTE...
  EASTLAND MALL...
  MATTHEWS AND CATAWBA...
  MINT HILL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG WINDS EXTEND OUTWARD FOR SEVERAL MILES AHEAD OF THIS STORM.
THE ONSET OF DAMAGING WINDS WILL OCCUR WITH LITTLE OR NO RAIN AND
LIGHTNING. SEEK SHELTER NOW ON THE LOWEST LEVEL OF YOUR HOME OR
OFFICE BUILDING. AVOID ROOMS THAT MAY BE DAMAGED BY FALLING TREES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...
1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3520 8056 3501 8083 3506 8090 3483 8087
      3483 8146 3503 8148 3505 8141 3512 8133
      3518 8121 3530 8109 3540 8094 3550 8092
      3550 8079 3540 8077 3529 8069
TIME...MOT...LOC 2033Z 281DEG 40KT 3548 8064 3501 8101

$$
MCAVOY
669 
WWUS52 KGSP 182107
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
507 PM EDT SAT JUN 18 2011

NCC071-119-SCC091-182116-
/O.EXP.KGSP.SV.W.0405.000000T0000Z-110618T2115Z/
GASTON NC-MECKLENBURG NC-YORK SC-
507 PM EDT SAT JUN 18 2011

...THE SEVERE THUNDERSTORM WARNING FOR YORK...MECKLENBURG AND
SOUTHEASTERN GASTON COUNTIES WILL EXPIRE AT 515 PM EDT...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF THE CHARLOTTE 
METRO AREA AND THE WARNING WILL BE ALLOWED TO EXPIRE AT 515 PM.

LAT...LON 3520 8056 3501 8083 3506 8090 3483 8087
      3483 8146 3503 8148 3505 8141 3512 8133
      3518 8121 3530 8109 3540 8094 3550 8092
      3550 8079 3540 8077 3529 8069
TIME...MOT...LOC 2106Z 281DEG 40KT 3541 8020 3494 8057

$$
MCAVOY

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 Jun 18, 1:44 PM EDT, 2 hours 12 minutes earlier.

Area forecast discussion, Jun 18, 1:44 PM EDT, 2 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT SAT JUN 18 2011

.SYNOPSIS...
A WEAK STATIONARY FRONT WILL LINGER IN OUR AREA INTO THE WEEKEND.
THE FRONT WILL MOVE NORTH AS A WARM FRONT EARLY NEXT WEEK AS HIGH
PRESSURE MOVES INTO THE AREA.

&&

.NEAR TERM /THROUGH SUNDAY/...
UPSTREAM MCS OVER ERN TN HAS NOT STRENGTHENED MUCH THE PAST COUPLE
HOURS...THOUGH CORE HEIGHTS ALONG THE LINE ARE FINALLY STARTING TO
REACH OBJECTIVE SEVERE CRITERIA. KMRX IS SHOWING A WELL ESTABLISHED
AND STRONG COLD POOL/REAR INFLOW JET BEHIND THE LINE...AND IT SHOULD
STRENGTHEN RAPIDLY AS IT MOVES INTO THE MORE UNSTABLE AIR OVER THE
GREAT VALLEY. AS THE STRONG COLD POOL MOVES INTO THE
MOUNTAINS...WHICH ARE QUITE MIXED AT THIS POINT...POCKETS OF
DAMAGING WINDS ARE EXPECTED TO DEVELOP. AS THE LINE MOVES EAST OF
THE MTNS...INTO AN ENVIRONMENT OF HIGHER DAPE...THE MCS SHOULD BEGIN
TO SURGE EASTWARD. THE 12 UTC NAM NOW HAS BULK SHEAR VALUES OF
AROUND 40 KTS OVER THE ENTIRE FA THROUGH THE AFTN HOURS...WHICH ALSO
BODES WELL FOR THE EVOLUTION OF THE LINE AS IT PROGRESSES INTO AN
INCREASINGLY UNSTABLE AIRMASS.  THE 15 UTC RUN OF THE WORKSTATION
WRF-ARW SHOWS AN EVEN MORE HIGHLY EVOLVED BOW ECHO MOVING ACROSS THE
FA DURING THE EARLY TO MID AFTN HOURS THAN IT DID BEFORE...AND STILL
LINES UP FAIRLY WELL WITH THE MCS OVER ERN TN. THEREFORE...THIS
SHOULD SOON TRANSITION INTO A SIGNIFICANT DAMAGING WIND EVENT FOR
THE FA.

OVERNIGHT AND INTO SUNDAY MORNING...THE NAM DEVELOPS A 30-40KT LLVL
JET OVER THE FA AS HEIGHTS RISE TO OUR WEST. THIS POOLS BL DEWPOINTS
OVER 70S DEGREES ACROSS THE CENTRAL PART OF THE FA. THIS SHOULD
SUPPORT NOCTURNAL ELEVATED CONVECTION OVERNIGHT...THOUGH I/M UNSURE
HOW STRONG ON HOW WIDESPREAD IT WILL BE.

ADDITIONAL CONVECTIVELY INDUCED MCV/S WILL CROSS THE FA ON SUNDAY.
THE NAM IMPLIES A GOOD THREAT OF ADDITIONAL SEVERE STORMS WHILE THE
GFS IS FARTHER NORTH. CONSIDERING THE ONGOING CONVECTION AND HOW
SOUTH IT SHOULD MOVE OVERNIGHT...THE TREAT WILL PROBABLY BE ORIENTED
FARTHER SOUTH THAN THE GFS IMPLIES ON SUNDAY...ONCE AGAIN PUTTING US
UNDER THE GUN.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/...
AS OF 1245 PM SATURDAY...UPPER HEIGHTS OVER THE CWFA WILL START
THEIR RISE ON MONDAY AS GULF COAST RIDGING POKES NORTH AND EAST.
WITH SOLID LOWER TO MID 90S FCST ACRS JUST ABOUT ALL THE MAJOR
VALLEYS AND INTO THE PIEDMONT...THE ATMOSPHERE WILL LIKELY BECOME
MODERATELY UNSTABLE. THERE DOES NOT LOOK TO BE MUCH TO INHIBIT
AFTERNOON AND EVENING TSTM DEVELOPMENT...IN FACT...ENOUGH MID LVL NW
FLOW EXISTS TO GIVE RISE TO A FEW SVR STORMS.

SHORT RANGE MODELS REMAIN CONSISTENT IN DEPICTING BLDG UPPER RIDGE
ATOP THE CWFA ON TUESDAY. THE RESULTANT VERY WEAK FLOW AND WEAKLY
FORCED ENVIRONMENT SHOULD LIMIT DIURNAL DEEP CONVECTION...ESPECIALLY
AWAY FROM THE HIGHER TERRAIN...WHERE THE FCST SNDGS LOOK TO REMAIN
CAPPED. OTHERWISE...THE HEAT WAVE WILL CONTINUE AND THE GOING SWATH
OF MID TO UPPER 90S MAX TEMPS LOOK GOOD.

&&

.LONG TERM /TUESDAY NIGHT THROUGH FRIDAY/...
AS OF 1215 PM SATURDAY...THE TREND TOWARD LESS HOT CONDITIONS
COMMENCES ON WEDNESDAY AS UPPER RIDGE AXIS ATOP THE SE CONUS
TRANSLATES EASTWARD. AS HEIGHTS START TO FALL AND RETURN FLOW
MOISTURE BEGINS AN UPWARD CREEP...WOULD EXPECT TSTM CHANCES TO CLIMB
BACK TO NEAR CLIMO PROBABILITIES.

CENTRAL CONUS TROUGH LOOKS TO CONTINUE TO IMPINGE UPON THE EASTERN
SEABOARD ON THURSDAY...AND GIVEN THE PROBABILITY OF INCREASED LARGER
SCALE FORCING...POP WILL BE INCREASED TO SOLID CHANCE AND EXPANDED
ACRS THE WHOLE CWFA. MEDIUM RANGE MODELS ARE STILL ADVERTISING L/WV
TROUGH AXIS TO SET UP ATOP THE EASTERN CONUS ON FRIDAY BEFORE
LIFTING SOME NEXT SATURDAY. AN ATTENDANT FRONTAL ZONE SHOULD SAG
SOUTH INTO THE REGION AS WELL BUT THE SOUTHWARD PENETRATION AND ANY
INFLUX OF DRIER AIR BY THE END OF THE PERIOD IS QUESTIONABLE AND
PROBABLY DOUBTFUL. GIVEN THIS...WILL MAINTAIN TOKEN CHANCE POP FOR
DAYS 6-7 ALONG WITH MAX TEMPERATURES NEAR EARLY SUMMER NORMALS.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
KCLT...BIG NEWS OF THE DAY IS THE MCS THAT IS NOW PUSHING INTO THE
MOUNTAINS. WITH THE UNSTABLE AIRMASS EAST OF THE MTNS...IT SHOULD
RAPIDLY MOVE EASTWARD OVER THE NEXT FEW HOURS. THE MOST LIKELY TIME
FOR STORM PASSAGE IS AROUND 21 UTC. I/M GIVING A 3 HOUR WINDOW OWING
TO DEVELOPMENT AHEAD OF THE LINE AND A LINGERING PERIOD OF THUNDER
AND HEAVY RAIN BEHIND IT. WINDS WILL GUST OUT OF THE WEST AS THE
LINE CROSSES...AND WILL BE WSW AHEAD OF IT...AND ERRATIC AND
VARIABLE OVERNIGHT BEHIND. A LITTLE FOG IS POSSIBLE LATE TONIGHT
DEPENDING HOW MUCH RAIN FALLS...BUT WITH HIGH CLOUDS LIKELY LASTING
THROUGH THE NIGHT...NOT EXPECTING MORE. ALSO...SCT SHRA/TSTMS MAY
DEVELOP AGAIN LATE TONIGHT AND SUN MORNING...THOUGH I HAVE NOT
INCLUDED THAT IN THE TAF YET.

ELSEWHERE...THINKING FOR THE OTHER TAF SITES IS BASICALLY THE SAME
AS FOR CLT WITH A WIDESPREAD LINE OF STRONG TO SEVERE STORMS
EXPECTED TO CROSS THE REGION FROM THE WEST THIS AFTN. BEHIND THE
LINE...AREAS OF FOG WILL BE POSSIBLE LATE TONIGHT. HOWEVER...HIGH
CLOUDS SHOULD INHIBIT WIDESPREAD FOG. IN FACT...SHRA AND TSTMS MAY
DEVELOP AGAIN OVER THE REGION LATE TONIGHT.

OUTLOOK...THERE WILL BE A GOOD CHANCE OF THUNDERSTORMS AGAIN ON
SUNDAY. DRIER AND HOT WEATHER IS EXPECTED MONDAY AND
TUESDAY...THOUGH ISOLATED TSTMS ARE POSSIBLE IN THE MTNS. A COLD
FRONT WILL BRING A BETTER CHANCE OF TSTMS...AND RESTRICTIONS...BY
WED OR THU.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.

&&

SYNOPSIS...PAT
NEAR TERM...MCAVOY
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...MCAVOY
Hazardous weather outlook, Jun 18, 11:07 AM EDT, 4 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1107 AM EDT SAT JUN 18 2011

GAZ010-017-018-026-NCZ033-048>053-058-059-062>065-501>510-SCZ001>007-
191515-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-AVERY-MADISON-YANCEY-MITCHELL-
SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-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-
1107 AM EDT SAT JUN 18 2011

...SEVERE THUNDERSTORM WATCH 500 IN EFFECT UNTIL 6 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN
NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

A LINE OF STRONG TO SEVERE THUNDERSTORMS WILL MOVE INTO THE NORTH
CAROLINA MOUNTAINS DURING THE EARLY AFTERNOON HOURS...THEN RAPIDLY
CROSS THE REST OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA
DURING THE AFTERNOON AND EARLY EVENING HOURS. AREAS OF DAMAGING
STRAIGHT LINE WINDS ARE EXPECTED TO ACCOMPANY THE LINE AS IT
CROSSES THE REGION...ALONG WITH SOME LARGE HAIL.

THIS A DANGEROUS DEVELOPING WEATHER SITUATION. PEOPLE WITH OUTDOOR
PLANS TODAY SHOULD CLOSELY MONITOR THE WEATHER AND PREPARE TO MOVE
INDOORS WHEN THE STORMS APPROACH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

GAZ028-029-NCZ035>037-056-057-068>072-082-SCZ008>014-019-191515-
HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-
GASTON-MECKLENBURG-CABARRUS-UNION NC-CHEROKEE-YORK-ANDERSON-
ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
1107 AM EDT SAT JUN 18 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT
NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A LINE OF STRONG TO SEVERE THUNDERSTORMS WILL MOVE INTO THE NORTH
CAROLINA MOUNTAINS DURING THE EARLY AFTERNOON HOURS...THEN RAPIDLY
CROSS THE REST OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA
DURING THE AFTERNOON AND EARLY EVENING HOURS. AREAS OF DAMAGING
STRAIGHT LINE WINDS ARE EXPECTED TO ACCOMPANY THE LINE AS IT
CROSSES THE REGION...ALONG WITH SOME LARGE HAIL.

THIS A DANGEROUS DEVELOPING WEATHER SITUATION. PEOPLE WITH OUTDOOR
PLANS TODAY SHOULD CLOSELY MONITOR THE WEATHER AND PREPARE TO MOVE
INDOORS WHEN THE STORMS APPROACH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...TORNADOES OR FLASH FLOODING TO OUR OFFICE.

MCAVOY

In the hours before

Local storm report, Jun 18, 3:30 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
330 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0255 PM     TSTM WND DMG     2 NE TABLE ROCK         35.86N 81.78W
06/18/2011                   BURKE              NC   TRAINED SPOTTER

            TREES AND POWERLINES DOWN

&&

CSH
Local storm report, Jun 18, 3:37 PM EDT, 19 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
337 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0334 PM     TSTM WND DMG     3 ESE ELLENBORO         35.31N 81.71W
06/18/2011                   CLEVELAND          NC   AMATEUR RADIO

            TREE AND POWERLINES DOWN MOORESBORO AND DEVON RDS

&&

CSH
Local storm report, Jun 18, 3:42 PM EDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
342 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0220 PM     TSTM WND DMG     3 NW BANNER ELK         36.19N 81.91W
06/18/2011                   AVERY              NC   911 CALL CENTER

            TREES DOWN ON BEECH MTN PARKWAY AND ON WEDLING WEG RD IN
            BEECH MTN.

&&

TBENTHALL
Local storm report, Jun 18, 3:49 PM EDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
349 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0335 PM     TSTM WND DMG     4 NNW SPARTANBURG       35.00N 81.95W
06/18/2011                   SPARTANBURG        SC   LAW ENFORCEMENT

            TREE IN ROADWAY HIGHWAY 9 AND BUSINESS 85

&&

CSH
Local storm report, Jun 18, 3:51 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
351 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0322 PM     TSTM WND DMG     FINGERVILLE             35.13N 82.01W
06/18/2011                   SPARTANBURG        SC   AMATEUR RADIO

            HAM RADIO OPERATOR REPORTED POWER LINES DOWN AT CANNON
            FORD RD AND COUNTRY ESTATES RD. ALSO HIGHWAY PATROL
            REPORTS A TREE DOWN ON COLEY SPRING RD- 3 NE

&&

LANE
Local storm report, Jun 18, 3:53 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
353 PM EDT SAT JUN 18 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0334 PM     TSTM WND DMG     LATTIMORE               35.32N 81.66W
06/18/2011                   CLEVELAND          NC   AMATEUR RADIO

            SPOTTER REPORTS NUMEROUS TREES BLOWN DOWN IN THE
            LATTIMORE AREA

&&

LANE

The office that day

Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 1:17 PM EDTSevere Thunderstorm WarningGSPBuncombe, Graham, Haywood, Jackson, Macon, Madison and 1 more73 min
Jun 18, 1:38 PM EDTSpecial Weather StatementGSPAvery, Mitchell, Yancey52 min
Jun 18, 1:51 PM EDTSevere Thunderstorm WarningGSPAvery, Mitchell, Yancey54 min
Jun 18, 1:56 PM EDTSevere Thunderstorm WarningGSPBuncombe, Haywood, Henderson, Jackson, Macon, Transylvania64 min
Jun 18, 2:24 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell, McDowell, Polk, Rutherford81 min
Jun 18, 2:29 PM EDTSevere Thunderstorm WarningGSPGraham, Jackson, Macon, Swain48 min
Jun 18, 2:36 PM EDTAreal Flood AdvisoryGSPBuncombe, Haywood, Madison84 min
Jun 18, 2:59 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba, Cleveland, Gaston, Lincoln61 min
Jun 18, 3:11 PM EDTSevere Thunderstorm WarningGSPHenderson, Transylvania25 min
Jun 18, 3:34 PM EDTSevere Thunderstorm WarningGSPIredell56 min
Jun 18, 4:03 PM EDTSevere Thunderstorm WarningGSPCabarrus, Davie, Rowan72 min
Jun 18, 4:30 PM EDTSevere Thunderstorm WarningGSPUnion67 min
Jun 18, 1:43 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens62 min
Jun 18, 2:35 PM EDTSevere Thunderstorm WarningGSPGreenville, Oconee, Pickens, Spartanburg70 min
Jun 18, 3:07 PM EDTSevere Thunderstorm WarningGSPCherokee68 min
Jun 18, 3:36 PM EDTSevere Thunderstorm WarningGSPAnderson, Greenville69 min
Jun 18, 3:42 PM EDTSevere Thunderstorm WarningGSPOconee, Pickens48 min
Jun 18, 3:43 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg77 min
Jun 18, 3:58 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenville, Greenwood, Laurens77 min
Jun 18, 4:01 PM EDTSevere Thunderstorm WarningGSPUnion74 min
Jun 18, 4:28 PM EDTSevere Thunderstorm WarningGSPChester53 min
Jun 18, 4:34 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens71 min
Jun 18, 4:46 PM EDTSpecial Weather StatementGSPAnderson29 min
Jun 18, 5:41 PM EDTSevere Thunderstorm WarningGSPAbbeville, Greenwood, Laurens64 min
Jun 18, 5:43 PM EDTSpecial Weather StatementGSPAnderson32 min
Jun 18, 6:11 PM EDTSevere Thunderstorm WarningGSPOconee51 min
Jun 18, 6:19 PM EDTSpecial Weather StatementGSPLaurens41 min
Jun 18, 6:28 PM EDTSevere Thunderstorm WarningGSPAnderson, Pickens62 min
Jun 18, 6:48 PM EDTSevere Thunderstorm WarningGSPAbbeville59 min
Jun 18, 7:27 PM EDTSpecial Weather StatementGSPLaurens48 min
Jun 18, 7:36 PM EDTSpecial Weather StatementGSPGreenwood39 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2011Severe Thunderstorm Warnings in South Carolina, 2011Every severe thunderstorm warning in 2011

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.