Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Columbia, SC

June 1, 2012Lexington County, South Carolina

NWS Columbia, SC issued this special weather statement at Jun 1, 2012, 1:30 AM EDT for Lexington County, South Carolina. It was in force for 45 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: Jun 1, 2012, 1:30 AM EDT (05:30 UTC)
Expired: Jun 1, 2012, 2:15 AM EDT
In force: 45 min
Issued by: NWS Columbia, SC

County Lexington County, SC

The radar

The Columbia radar (KCAE), 16 km from the middle of the area, began a volume at 05:32 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

Charleston AFB, SC (KCHS), launched 00:00Z, 5.5 hours before the alert went out and 149 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: 410 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 1190 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 44 m²/s²
0-3 km storm-relative helicity: 55 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 Columbia, SC wrote its last area forecast discussion before this special weather statement went out at Jun 1, 1:22 AM EDT, 8 minutes earlier.

Area forecast discussion, Jun 1, 1:22 AM EDT, 8 minutes before

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Hazardous weather outlook, May 31, 4:25 AM EDT, 21 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
425 AM EDT THU MAY 31 2012

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-010830-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
425 AM EDT THU MAY 31 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND
CENTRAL SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

A COLD FRONT IS FORECAST TO CROSS THE REGION FRIDAY AFTERNOON INTO
FRIDAY NIGHT. A FEW THUNDERSTORMS ASSOCIATED WITH THE FRONT MAY BECOME
SEVERE...PRODUCING DAMAGING WINDS AND LARGE HAIL FRIDAY AFTERNOON
INTO FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED AT SOME POINT ON FRIDAY.

In the hours before

Special weather statement, May 31, 9:26 PM EDT, 4 hours 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
926 PM EDT THU MAY 31 2012

GAZ040-063-064-SCZ018-025-010230-
COLUMBIA-EDGEFIELD-LINCOLN-MCCORMICK-MCDUFFIE-
926 PM EDT THU MAY 31 2012

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF MCDUFFIE...LINCOLN...
COLUMBIA...EDGEFIELD AND MCCORMICK COUNTIES THROUGH 1030 PM EDT...

AT 920 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ENTERING MCDUFFIE AND LINCOLN COUNTY IN EAST
CENTRAL GEORGIA. THIS ACTIVITY WAS MOVING NORTHEAST 10 TO 15 MPH
AND MAY AFFECT COLUMBIA...MCCORMICK AND EDGEFIELD COUNTIES WITHIN
THE NEXT HOUR.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
EDGEFIELD...MCCORMICK...EVANS...GROVETOWN...HARLEM...LINCOLNTON AND
THOMSON...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 30 TO 40 MPH...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.

&&

LAT...LON 3365 8259 3366 8250 3382 8260 3387 8258
      3387 8261 3398 8265 3397 8259 3401 8260
      3408 8253 3406 8237 3404 8232 3398 8230
      3401 8226 3379 8174 3331 8236 3334 8252
      3337 8256 3341 8255 3346 8260 3361 8265
TIME...MOT...LOC 0125Z 232DEG 17KT 3382 8290 3333 8244

TTH

Special weather statement, May 31, 10:27 PM EDT, 3 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1027 PM EDT THU MAY 31 2012

GAZ040-063-064-SCZ018-025-026-010330-
COLUMBIA-EDGEFIELD-LINCOLN-MCCORMICK-MCDUFFIE-SALUDA-
1027 PM EDT THU MAY 31 2012

...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF MCDUFFIE...LINCOLN...
COLUMBIA...EDGEFIELD...MCCORMICK AND SALUDA COUNTIES THROUGH 1130 PM
EDT...

AT 1019 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF THUNDERSTORMS IN MCDUFFIE...COLUMBIA AND LINCOLN COUNTIES
IN THE CENTRAL SAVANNAH RIVER AREA MOVING NORTHEAST AROUND 10 MPH.
THIS ACTIVITY WILL SPREAD INTO MCCORMICK,,,EDGEFIELD AND SALUDA
COUNTIES WITHIN THE NEXT HOUR.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
EDGEFIELD...JOHNSTON...MCCORMICK...SALUDA...EVANS...GROVETOWN...
HARLEM...LINCOLNTON...MARTINEZ AND THOMSON...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 30 TO 40 MPH...
SMALL HAIL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.

&&

LAT...LON 3397 8259 3401 8260 3408 8253 3407 8233
      3398 8230 3402 8224 3398 8219 3399 8205
      3396 8202 3412 8188 3391 8158 3331 8235
      3335 8255 3362 8264 3365 8259 3366 8250
      3382 8260 3387 8258 3387 8261 3398 8265
TIME...MOT...LOC 0224Z 220DEG 19KT 3398 8256 3356 8215

TTH

Special weather statement, May 31, 11:30 PM EDT, 2 hours before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA SC
1130 PM EDT THU MAY 31 2012

GAZ064-065-077-SCZ018-025-026-030-010430-
AIKEN-BURKE-COLUMBIA-EDGEFIELD-MCCORMICK-RICHMOND-SALUDA-
1130 PM EDT THU MAY 31 2012

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF
RICHMOND...BURKE...COLUMBIA...EDGEFIELD...MCCORMICK...SALUDA AND
AIKEN COUNTIES THROUGH 1230 AM EDT...

AT 1129 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM MCCORMICK TO 6
MILES NORTHEAST OF PARKSVILLE TO HEPHZIBAH...MOVING NORTHEAST AT 30
MPH.

SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
GLOVERVILLE...AIKEN...BELVEDERE...CLEARWATER...EDGEFIELD...
JOHNSTON...MCCORMICK...NEW ELLENTON...NORTH AUGUSTA...RIDGE SPRING...
SALUDA...AUGUSTA...EVANS...FORT GORDON...GROVETOWN...HEPHZIBAH AND
MARTINEZ...

PREPARE NOW FOR THE FOLLOWING HAZARDS...
GUSTY WINDS OF 40 TO 50 MPH...
PEA SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1...8 7
7...6 3 3...6 7 7 2.

&&

LAT...LON 3399 8245 3405 8232 3398 8230 3402 8224
      3398 8219 3399 8215 3399 8205 3396 8202
      3414 8187 3417 8188 3418 8183 3404 8166
      3346 8161 3311 8220 3369 8225 3369 8223
      3378 8226
TIME...MOT...LOC 0329Z 243DEG 25KT 3397 8227 3383 8211
          3333 8207

Special weather statement, Jun 1, 1:30 AM EDT, 0 minutes before

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The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 9:26 PM EDT	Special Weather Statement	CAE	Edgefield, McCormick	64 min
May 31, 10:27 PM EDT	Special Weather Statement	CAE	Edgefield, McCormick, Saluda	63 min
May 31, 11:30 PM EDT	Special Weather Statement	CAE	Aiken, Edgefield, McCormick, Saluda	60 min
Jun 1, 1:42 PM EDT	Areal Flood Advisory	CAE	Lexington, Richland	36 min
Jun 1, 1:42 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	63 min
Jun 1, 2:07 PM EDT	Severe Thunderstorm Warning	CAE	Orangeburg	38 min
Jun 1, 2:22 PM EDT	Special Weather Statement	CAE	Lancaster	53 min
Jun 1, 4:44 PM EDT	Special Weather Statement	CAE	Clarendon	16 min
Jun 1, 7:11 PM EDT	Special Weather Statement	CAE	Lancaster	34 min
Jun 1, 7:21 PM EDT	Special Weather Statement	CAE	Kershaw, Lancaster, Lexington, Richland	39 min
Jun 1, 4:33 PM EDT	Special Weather Statement	CAE	Columbia	42 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.