Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

March 2, 2012Cherokee County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Mar 2, 2012, 7:49 AM EST for Cherokee County, South Carolina. It was in force for 41 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
Mar 2, 2012, 7:49 AM EST (12:49 UTC)
Expired
Mar 2, 2012, 8:30 AM EST
In force
41 min
Issued by
NWS Greenville-Spartanburg, SC

County Cherokee County, SC

The radar

The Greer radar (KGSP), 85 km from the middle of the area, began a volume at 12:51 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.8 hours before the alert went out and 165 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 2012-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2084 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
234 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 2, 7:01 AM EST, 48 minutes earlier.

Area forecast discussion, Mar 2, 7:01 AM EST, 48 minutes before
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Hazardous weather outlook, Mar 2, 5:16 AM EST, 2 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
516 AM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-031030-
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-MECKLENBURG-CABARRUS-UNION NC-
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-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
516 AM EST FRI MAR 2 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 TO NUMEROUS THUNDERSTORMS WILL AFFECT THE REGION TODAY
AND TONIGHT AHEAD OF A STRONG COLD FRONT. THERE IS A GOOD
CHANCE THAT SOME OF THESE STORMS WILL BECOME SEVERE. LARGE HAIL
AND DAMAGING STRAIGHT LINE WINDS WILL BE THE MAIN SEVERE THREAT.
HOWEVER...THERE WILL ALSO BE A THREAT FOR ISOLATED TORNADOES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THE THREAT OF SEVERE STORMS MAY ALSO LINGER INTO SATURDAY...
PARTICULARLY OVER THE CAROLINA PIEDMONT...DEPENDING ON THE SPEED
OF THE COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Mar 2, 4:54 AM EST, 2 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
454 AM EST FRI MAR 2 2012

SCZ012-021030-
LAURENS-
454 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL LAURENS COUNTY THROUGH
530 AM EST...

AT 452 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES NORTH OF WATERLOO...OR 7 MILES SOUTHWEST
OF LAURENS...MOVING EAST AT 35 MPH.

THIS STORM WILL BE NEAR...
  LAURENS...
  CLINTON...
  JOANNA...

SMALL HAIL IS EXPECTED WITH THIS STORM.

LAT...LON 3434 8216 3450 8218 3456 8174 3455 8173
      3456 8168 3453 8164 3446 8169 3442 8174
      3436 8178 3434 8181 3432 8213

RB
Special weather statement, Mar 2, 5:26 AM EST, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
526 AM EST FRI MAR 2 2012

SCZ012>014-021100-
CHESTER-LAURENS-UNION-
526 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN LAURENS...SOUTHERN UNION
AND WESTERN CHESTER COUNTIES THROUGH 600 AM EST...

AT 524 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 6 MILES SOUTH OF SEDALIA...OR 15 MILES SOUTHWEST
OF UNION...MOVING EAST AT 35 MPH.

THIS STORM WILL BE NEAR...
  SANTUC...
  CARLISLE...

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3442 8179 3459 8181 3479 8128 3456 8121
      3456 8141 3449 8142 3449 8148 3446 8152
      3445 8156 3447 8156 3452 8164 3442 8173

RB
Special weather statement, Mar 2, 6:05 AM EST, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
605 AM EST FRI MAR 2 2012

NCZ070-SCZ008-009-021145-
CHEROKEE-GASTON-YORK-
605 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT CHEROKEE...NORTHERN YORK AND
SOUTHERN GASTON COUNTIES THROUGH 645 AM EST...

AT 601 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR THICKETTY...OR 7 MILES SOUTHWEST OF
GAFFNEY...MOVING EAST AT 40 MPH.

THIS STORM WILL BE NEAR...
  GAFFNEY...
  BLACKSBURG...
  HICKORY GROVE...
  CLOVER...

DIME SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH
THIS STORM.

LAT...LON 3490 8168 3493 8175 3507 8181 3517 8139
      3516 8134 3519 8133 3525 8105 3515 8102
      3515 8105 3511 8104 3506 8106 3505 8103
      3507 8100 3501 8098

RB
Special weather statement, Mar 2, 6:43 AM EST, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 AM EST FRI MAR 2 2012

NCZ068-070-SCZ008-009-021215-
CHEROKEE-CLEVELAND-GASTON-YORK-
643 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GASTON...NORTHERN
CHEROKEE...NORTHERN YORK AND SOUTHERN CLEVELAND COUNTIES THROUGH 715
AM EST...

AT 641 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTH OF GAFFNEY...MOVING EAST AT 50 MPH.

THIS STORM WILL BE NEAR...
  BLACKSBURG...
  KINGS MOUNTAIN...
  BESSEMER CITY...
  GASTONIA...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3502 8173 3518 8178 3518 8177 3520 8176
      3537 8113 3510 8105

RB
Special weather statement, Mar 2, 7:27 AM EST, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
727 AM EST FRI MAR 2 2012

NCZ082-SCZ009-021300-
UNION-YORK-
727 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN YORK AND WESTERN
UNION COUNTIES THROUGH 800 AM EST...

AT 724 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTH OF CATAWBA...OR 8 MILES SOUTHEAST
OF ROCK HILL...MOVING EAST AT 30 MPH.

THIS STORM WILL BE NEAR...
  WAXHAW...
  MINERAL SPRINGS...
  MONROE...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3481 8079 3482 8080 3494 8079 3497 8082
      3496 8087 3484 8086 3482 8089 3482 8097
      3497 8101 3499 8089 3496 8087 3498 8083
      3500 8085 3509 8049 3485 8044

RB
Special weather statement, Mar 2, 7:49 AM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
749 AM EST FRI MAR 2 2012

NCZ068-070-SCZ008-009-021330-
CHEROKEE-CLEVELAND-GASTON-YORK-
749 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CHEROKEE...
NORTHWESTERN YORK...SOUTHEASTERN CLEVELAND AND WESTERN GASTON
COUNTIES THROUGH 830 AM EST...

AT 744 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES EAST OF GAFFNEY...MOVING NORTHEAST AT 30
MPH.

THIS STORM WILL BE NEAR...
  BLACKSBURG...
  KINGS MOUNTAIN...
  CLOVER...
  GASTONIA...

BRIEF HEAVY RAIN WITH PEA SIZE HAIL ARE EXPECTED WITH THIS STORM.

LAT...LON 3535 8122 3512 8110 3500 8160 3511 8167

JOH

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:43 AM ESTSpecial Weather StatementGSPGaston32 min
Mar 2, 8:02 AM ESTSpecial Weather StatementGSPUnion43 min
Mar 2, 8:52 AM ESTSpecial Weather StatementGSPGaston38 min
Mar 2, 9:36 AM ESTSpecial Weather StatementGSPUnion39 min
Mar 2, 9:38 AM ESTSpecial Weather StatementGSPUnion52 min
Mar 2, 10:03 AM ESTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln42 min
Mar 2, 10:49 AM ESTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell41 min
Mar 2, 11:16 AM ESTSpecial Weather StatementGSPDavie44 min
Mar 2, 11:23 AM ESTSevere Thunderstorm WarningGSPDavie, Iredell, Rowan24 min
Mar 2, 1:09 PM ESTSpecial Weather StatementGSPGraham36 min
Mar 2, 1:38 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 2:29 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 3:14 PM ESTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison23 min
Mar 2, 3:40 AM ESTSpecial Weather StatementGSPAbbeville35 min
Mar 2, 4:54 AM ESTSpecial Weather StatementGSPLaurens36 min
Mar 2, 5:26 AM ESTSpecial Weather StatementGSPUnion34 min
Mar 2, 5:41 AM ESTSevere Thunderstorm WarningGSPChester, Union38 min
Mar 2, 6:05 AM ESTSpecial Weather StatementGSPCherokee40 min
Mar 2, 3:35 PM ESTTornado WarningGSPOconee40 min
Mar 2, 4:14 PM ESTTornado WarningGSPOconee, Pickens46 min
Mar 2, 4:25 PM ESTSpecial Weather StatementGSPOconee35 min

Nearby

Special Weather Statements in South Carolina, 2012Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.