Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

April 3, 2012Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Apr 3, 2012, 9:33 PM EDT for Chester County, South Carolina. It was in force for 42 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: Apr 3, 2012, 9:33 PM EDT (01:33 UTC)
Expired: Apr 3, 2012, 10:15 PM EDT
In force: 42 min
Issued by: NWS Greenville-Spartanburg, SC

County Chester County, SC

The radar

The Columbia radar (KCAE), 77 km from the middle of the area, began a volume at 01:33 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 00:00Z, 1.6 hours before the alert went out and 207 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 387 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 1380 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 51 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 Apr 3, 7:47 PM EDT, 1 hour 46 minutes earlier.

Area forecast discussion, Apr 3, 7:47 PM EDT, 1 hour 46 minutes before

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Hazardous weather outlook, Apr 3, 9:16 PM EDT, 17 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
916 PM EDT TUE APR 3 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-050130-
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-
916 PM EDT TUE APR 3 2012

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

.DAY ONE...TONIGHT.

ISOLATED THUNDERSTORMS WILL BE POSSIBLE...MAINLY OVER THE
MOUNTAINS AFTER MIDNIGHT. BRIEF HEAVY RAIN AND CLOUD TO GROUND
LIGHTNING WILL BE THE MAIN THREATS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

AT LEAST SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH FRIDAY...
MAINLY IN THE AFTERNOONS AND EVENINGS. LARGE HAIL...DAMAGING WINDS
AND LIGHTNING WILL BE THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Apr 3, 7:57 PM EDT, 1 hour 36 minutes before

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Special weather statement, Apr 3, 8:10 PM EDT, 1 hour 23 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
810 PM EDT TUE APR 3 2012

NCZ035>037-056-057-040100-
ALEXANDER-CATAWBA-DAVIE-IREDELL-ROWAN-
810 PM EDT TUE APR 3 2012

...STRONG THUNDERSTORMS WILL AFFECT EASTERN ALEXANDER...IREDELL...
NORTHEASTERN CATAWBA...ROWAN AND SOUTHERN DAVIE COUNTIES THROUGH 900
PM EDT...

AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST OF
LOVE VALLEY TO 3 MILES SOUTHWEST OF FORK CHURCH...MOVING SOUTH AT 20
MPH.

THESE STORMS WILL BE NEAR...
  COOLEEMEE...
  STONY POINT...
  STATESVILLE...
  LOOKOUT SHOALS LAKE...
  HIGH ROCK LAKE...
  GRANITE QUARRY...

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THESE
STORMS.

LAT...LON 3564 8112 3604 8115 3604 8106 3591 8038
      3589 8036 3588 8041 3585 8038 3582 8047
      3574 8045 3571 8032 3568 8033 3564 8029
      3564 8026 3558 8020 3550 8018

ARK

Special weather statement, Apr 3, 8:19 PM EDT, 1 hour 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
819 PM EDT TUE APR 3 2012

SCZ012-019-040045-
GREENWOOD-LAURENS-
819 PM EDT TUE APR 3 2012

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL GREENWOOD AND SOUTHERN
LAURENS COUNTIES THROUGH 845 PM EDT...

AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CROSS HILL...OR 12 MILES NORTHEAST OF
GREENWOOD...MOVING EAST AT 20 MPH.

PEA SIZE HAIL...WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THIS STORM.

LAT...LON 3425 8216 3441 8212 3436 8180 3434 8181
      3434 8183 3431 8186 3430 8189 3422 8192
      3421 8194 3418 8190 3417 8191

JOH

Special weather statement, Apr 3, 8:43 PM EDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
843 PM EDT TUE APR 3 2012

SCZ012-013-040130-
LAURENS-UNION-
843 PM EDT TUE APR 3 2012

...STRONG THUNDERSTORMS WILL AFFECT EASTERN LAURENS AND SOUTHERN
UNION COUNTIES THROUGH 930 PM EDT...

AT 843 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CROSS KEYS TO 4
MILES EAST OF CROSS HILL...MOVING EAST AT 15 MPH.

THESE STORMS WILL BE NEAR...
  JOANNA...
  SANTUC...

PEA SIZE HAIL...WIND GUSTS OF 30 TO 40 MPH AND TORRENTIAL RAIN ARE
EXPECTED WITH THESE STORMS.

LAT...LON 3424 8201 3425 8202 3460 8185 3470 8182
      3472 8145 3466 8145 3464 8142 3450 8141
      3448 8149 3444 8154 3451 8160 3452 8164
      3436 8178 3430 8189 3421 8193 3421 8195

ARK

Special weather statement, Apr 3, 9:00 PM EDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
900 PM EDT TUE APR 3 2012

NCZ036-057-071-072-040145-
CABARRUS-IREDELL-MECKLENBURG-ROWAN-
900 PM EDT TUE APR 3 2012

...STRONG THUNDERSTORMS WILL AFFECT CABARRUS...NORTHEASTERN
MECKLENBURG...ROWAN AND SOUTHEASTERN IREDELL COUNTIES THROUGH 945 PM
EDT...

AT 859 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM HIGH ROCK LAKE TO 3
MILES WEST OF MOUNT ULLA...MOVING SOUTH AT 30 MPH.

THESE STORMS WILL BE NEAR...
  MOORESVILLE...
  ROCKWELL...
  LANDIS...
  KANNAPOLIS...
  HUNTERSVILLE...
  MOUNT PLEASANT...

WIND GUSTS OF 30 TO 40 MPH...AND TORRENTIAL RAIN ARE EXPECTED WITH
THESE STORMS.

LAT...LON 3550 8030 3521 8048 3522 8081 3572 8094
      3572 8032 3568 8033 3567 8030 3564 8028
      3564 8026 3558 8020 3550 8018

ARK

Special weather statement, Apr 3, 9:33 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
933 PM EDT TUE APR 3 2012

SCZ014-040215-
CHESTER-
933 PM EDT TUE APR 3 2012

...A STRONG THUNDERSTORM WILL AFFECT CHESTER COUNTY THROUGH 1015 PM
EDT...

AT 930 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF LEEDS...OR 10 MILES
SOUTHWEST OF CHESTER...MOVING EAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  CHESTER...
  BLACKSTOCK...

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

LAT...LON 3456 8142 3457 8143 3464 8142 3466 8145
      3469 8145 3477 8100 3454 8097

ARK

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 8:10 PM EDT	Special Weather Statement	GSP	Davie, Iredell, Rowan	50 min
Apr 3, 9:00 PM EDT	Special Weather Statement	GSP	Cabarrus, Rowan	45 min
Apr 3, 9:52 PM EDT	Special Weather Statement	GSP	Cabarrus, Mecklenburg, Union	38 min
Apr 3, 10:42 PM EDT	Special Weather Statement	GSP	Union	48 min
Apr 3, 11:10 PM EDT	Severe Thunderstorm Warning	GSP	Union	25 min
Apr 4, 2:21 PM EDT	Special Weather Statement	GSP	Davie	39 min
Apr 3, 8:19 PM EDT	Special Weather Statement	GSP	Greenwood	26 min
Apr 3, 8:43 PM EDT	Special Weather Statement	GSP	Union	47 min
Apr 3, 9:53 PM EDT	Severe Thunderstorm Warning	GSP	Chester	67 min
Apr 4, 2:52 PM EDT	Special Weather Statement	GSP	Greenville	38 min
Apr 4, 4:24 PM EDT	Special Weather Statement	GSP	Greenville	51 min
Apr 4, 4:51 PM EDT	Special Weather Statement	GSP	Abbeville, Greenwood	39 min
Apr 4, 5:32 PM EDT	Special Weather Statement	GSP	Greenwood	43 min
Apr 4, 6:27 PM EDT	Special Weather Statement	GSP	Chester	48 min

Nearby

Special Weather Statements in South Carolina, 2012 Every 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.