Alert archive / South Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 227, NWS Greenville-Spartanburg, SC

July 9, 2014Chester County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 9, 2014, 2:21 PM EDT for Chester County, South Carolina. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 9, 2014, 2:21 PM EDT (18:21 UTC)
Expired: Jul 9, 2014, 3:15 PM EDT
In force: 54 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County Chester County, SC

The radar

The Columbia radar (KCAE), 83 km from the middle of the area, began a volume at 18:21 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, 6.4 hours before the alert went out and 192 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: 206 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 1337 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 6 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 Jul 9, 1:04 PM EDT, 1 hour 17 minutes earlier.

Area forecast discussion, Jul 9, 1:04 PM EDT, 1 hour 17 minutes before

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Hazardous weather outlook, Jul 9, 4:41 AM EDT, 9 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
441 AM EDT WED JUL 9 2014

NCZ033-048>053-058-059-062>065-501-503-505-507-509-100845-
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-
441 AM EDT WED JUL 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MOUNTAINS OF WESTERN
NORTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS WILL OCCUR ACROSS THE NORTH CAROLINA
MOUNTAINS TODAY. OCCASIONAL CLOUD TO GROUND LIGHTNING AND BRIEF
HEAVY RAINFALL WILL BE THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

GAZ010-017-018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-
506-508-510-SCZ001>014-019-100845-
RABUN-HABERSHAM-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-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
441 AM EDT WED JUL 9 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...THE
FOOTHILLS AND PIEDMONT OF NORTH CAROLINA...AND UPSTATE SOUTH
CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS WILL OCCUR ACROSS THE FOOTHILLS AND
PIEDMONT TODAY. OCCASIONAL CLOUD TO GROUND LIGHTNING AND BRIEF
HEAVY RAINFALL WILL BE THE PRIMARY THREATS. ISOLATED SEVERE
WEATHER MAY OCCUR IN THE FORM OF DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..FRIDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SATURDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..MONDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..TUESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

WIMBERLEY

In the hours before

Local storm report, Jul 9, 1:30 PM EDT, 51 minutes before

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Special weather statement, Jul 9, 1:30 PM EDT, 51 minutes before

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Special weather statement, Jul 9, 1:31 PM EDT, 50 minutes before

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Special weather statement, Jul 9, 1:43 PM EDT, 38 minutes before

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Special weather statement, Jul 9, 1:46 PM EDT, 35 minutes before

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Special weather statement, Jul 9, 2:03 PM EDT, 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
203 PM EDT WED JUL 9 2014

SCZ011-091900-
ABBEVILLE-
203 PM EDT WED JUL 9 2014

...A STRONG THUNDERSTORM WILL AFFECT ABBEVILLE COUNTY THROUGH 300 PM
EDT...

AT 200 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR LAKE RUSSELL...OR 10 MILES NORTHEAST OF
ELBERTON...MOVING EAST AT 20 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  LOWNDESVILLE...
  CALHOUN FALLS...
  ABBEVILLE...

SMALL HAIL...WIND GUSTS OF 40 TO 50 MPH AND TORRENTIAL RAINFALL ARE
EXPECTED WITH THIS STORM.

FREQUENT LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...TRY TO
GET INDOORS OR INTO A HARD TOPPED VEHICLE. OTHERWISE...STAY AWAY FROM
OPEN AREAS AND ISOLATED HIGH OBJECTS SUCH AS TREES. WHEN INDOORS...
STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING WIRED ELECTRONIC
DEVICES. TRY TO UNPLUG UNNECESSARY APPLIANCES BEFORE THE STORM
APPROACHES.

PLEASE REPORT DAMAGING WINDS...HAIL...OR FLOODING TO THE NATIONAL
WEATHER SERVICE GREENVILLE SPARTANBURG BY CALLING TOLL FREE...1...
800...2 6 7...8 1 0 1...OR BY POSTING ON OUR FACEBOOK PAGE...OR TWEET
IT USING HASHTAG NWSGSP. YOUR MESSAGE SHOULD DESCRIBE THE EVENT AND
SPECIFIC LOCATION WHERE IT OCCURRED.

LAT...LON 3402 8259 3408 8265 3409 8264 3415 8272
      3421 8274 3429 8261 3434 8233 3428 8231
      3425 8227 3420 8224 3411 8227 3406 8233
      3405 8244 3407 8249 3406 8254

CDG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 8, 8:05 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Jackson, Transylvania	37 min
Jul 8, 8:31 PM EDT	Special Weather Statement	GSP	Polk	44 min
Jul 9, 1:30 PM EDT	Special Weather Statement	GSP	Union	45 min
Jul 9, 1:31 PM EDT	Special Weather Statement	GSP	Union	59 min
Jul 9, 1:58 PM EDT	Severe Thunderstorm Warning	GSP	Union	47 min
Jul 9, 3:21 PM EDT	Special Weather Statement	GSP	Gaston	39 min
Jul 9, 3:42 PM EDT	Severe Thunderstorm Warning	GSP	Gaston, Mecklenburg	50 min
Jul 9, 7:52 PM EDT	Special Weather Statement	GSP	Macon	38 min
Jul 8, 8:46 PM EDT	Special Weather Statement	GSP	Greenville, Pickens	44 min
Jul 9, 12:33 PM EDT	Special Weather Statement	GSP	Greenwood	42 min
Jul 9, 12:35 PM EDT	Special Weather Statement	GSP	Laurens	40 min
Jul 9, 1:43 PM EDT	Special Weather Statement	GSP	Chester	47 min
Jul 9, 1:46 PM EDT	Special Weather Statement	GSP	Greenwood	59 min
Jul 9, 1:54 PM EDT	Severe Thunderstorm Warning	GSP	Greenwood, Laurens	51 min
Jul 9, 2:03 PM EDT	Special Weather Statement	GSP	Abbeville	57 min
Jul 9, 2:27 PM EDT	Special Weather Statement	GSP	Anderson	63 min
Jul 9, 3:29 PM EDT	Special Weather Statement	GSP	Laurens, Union	46 min
Jul 9, 4:22 PM EDT	Special Weather Statement	GSP	Chester, York	38 min
Jul 9, 7:14 PM EDT	Special Weather Statement	GSP	Habersham	46 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2014 Every severe thunderstorm warning in 2014

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.