Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 192, NWS Greenville-Spartanburg, SC

June 20, 2014Cleveland County, Gaston County, North Carolina; Cherokee County, York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 20, 2014, 2:56 PM EDT for Cleveland County, Gaston County, North Carolina; Cherokee County, York County, South Carolina. It was in force for 64 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
Jun 20, 2014, 2:56 PM EDT (18:56 UTC)
Expired
Jun 20, 2014, 4:00 PM EDT
In force
64 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Cleveland County, NC, Gaston County, NC, Cherokee County, SC, York County, SC

The radar

The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 18:56 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.9 hours before the alert went out and 169 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 2014-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 160 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 2014-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
160 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1171 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
36 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 Jun 20, 2:43 PM EDT, 13 minutes earlier.

Area forecast discussion, Jun 20, 2:43 PM EDT, 13 minutes before
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Hazardous weather outlook, Jun 20, 4:27 AM EDT, 10 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
427 AM EDT FRI JUN 20 2014

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-210830-
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-
427 AM EDT FRI JUN 20 2014

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
THE WESTERN CAROLINAS AS AND NORTHEAST GEORGIA...MAINLY THIS
AFTERNOON. ALL OF THE STORMS WILL PRODUCE FREQUENT CLOUD TO
GROUND LIGHTNING AND HEAVY RAINFALL. A FEW STORMS MAY BECOME
SEVERE PRODUCING LARGE HAIL AND DAMAGING WIND GUSTS. THE STORMS
SHOULD WEAKEN AND DIMINISH THIS EVENING.

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

..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.
..WEDNESDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
..THURSDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

JOH

In the hours before

Special weather statement, Jun 20, 1:25 PM EDT, 1 hour 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
125 PM EDT FRI JUN 20 2014

NCZ507-508-201815-
GREATER RUTHERFORD-RUTHERFORD MOUNTAINS-
125 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT WESTERN RUTHERFORD COUNTY
THROUGH 215 PM EDT...

AT 119 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 8 MILES SOUTH OF OLD FORT...OR 12 MILES SOUTHWEST
OF MARION...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  LAKE LURE...

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

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

LAT...LON 3535 8184 3529 8201 3541 8215 3540 8221
      3549 8224 3549 8223 3551 8223 3553 8218
      3552 8214 3553 8209 3553 8203 3555 8200

07
Special weather statement, Jun 20, 1:37 PM EDT, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
137 PM EDT FRI JUN 20 2014

NCZ501-502-201830-
CALDWELL MOUNTAINS-GREATER CALDWELL-
137 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT CALDWELL COUNTY THROUGH 230 PM
EDT...

AT 134 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR GLOBE...OR 8 MILES SOUTH OF BLOWING ROCK...
MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  COLLETTSVILLE...
  PATTERSON...
  LENOIR...

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

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

LAT...LON 3593 8138 3580 8157 3583 8160 3582 8162
      3585 8165 3587 8170 3599 8179 3607 8175
      3613 8166 3613 8164

07
Special weather statement, Jun 20, 1:57 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
157 PM EDT FRI JUN 20 2014

NCZ068-069-504-508-201845-
CLEVELAND-GREATER BURKE-GREATER RUTHERFORD-LINCOLN-
157 PM EDT FRI JUN 20 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTH CENTRAL BURKE...
NORTHEASTERN RUTHERFORD...WESTERN LINCOLN AND NORTHERN CLEVELAND
COUNTIES THROUGH 245 PM EDT...

AT 154 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 5 MILES NORTHWEST OF CASAR...OR 12 MILES SOUTH OF
MORGANTON...MOVING SOUTHEAST AT 10 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CASAR...
  POLKVILLE...
  LAWNDALE...

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

DIME TO NICKEL SIZE HAIL CAN CAUSE CONSIDERABLE DAMAGE TO VEHICLES.
CONSIDER MOVING VEHICLES TO A COVERED STORAGE AREA BEFORE THE STORM
ARRIVES.

LAT...LON 3560 8151 3557 8153 3557 8150 3557 8146
      3551 8135 3532 8155 3555 8183 3569 8169

07
Special weather statement, Jun 20, 2:18 PM EDT, 38 minutes before
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Special weather statement, Jun 20, 2:20 PM EDT, 36 minutes before
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Special weather statement, Jun 20, 2:54 PM EDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 8:06 PM EDTSpecial Weather StatementGSPUnion24 min
Jun 19, 8:22 PM EDTSpecial Weather StatementGSPUnion38 min
Jun 19, 8:44 PM EDTSpecial Weather StatementGSPUnion31 min
Jun 20, 11:06 AM EDTSpecial Weather StatementGSPMitchell, Yancey39 min
Jun 20, 12:45 PM EDTSpecial Weather StatementGSPMcDowell45 min
Jun 20, 1:25 PM EDTSpecial Weather StatementGSPRutherford50 min
Jun 20, 1:27 PM EDTSevere Thunderstorm WarningGSPMcDowell, Polk, Rutherford63 min
Jun 20, 1:35 PM EDTSevere Thunderstorm WarningGSPHenderson, Transylvania55 min
Jun 20, 1:37 PM EDTSpecial Weather StatementGSPCaldwell53 min
Jun 20, 1:41 PM EDTSevere Thunderstorm WarningGSPCaldwell64 min
Jun 20, 1:57 PM EDTSpecial Weather StatementGSPCleveland48 min
Jun 20, 2:05 PM EDTSevere Thunderstorm WarningGSPCleveland, Gaston, Lincoln55 min
Jun 20, 2:18 PM EDTSpecial Weather StatementGSPHenderson42 min
Jun 20, 2:20 PM EDTSpecial Weather StatementGSPCaldwell40 min
Jun 20, 2:54 PM EDTSpecial Weather StatementGSPAlexander51 min
Jun 20, 3:01 PM EDTSpecial Weather StatementGSPLincoln44 min
Jun 20, 3:26 PM EDTSpecial Weather StatementGSPIredell34 min
Jun 20, 3:31 PM EDTSpecial Weather StatementGSPGaston29 min
Jun 20, 3:44 PM EDTSevere Thunderstorm WarningGSPGaston, Mecklenburg61 min
Jun 20, 5:52 PM EDTSpecial Weather StatementGSPHaywood23 min
Jun 20, 6:05 PM EDTSpecial Weather StatementGSPHenderson25 min
Jun 20, 6:06 PM EDTSpecial Weather StatementGSPMadison24 min
Jun 20, 6:13 PM EDTSpecial Weather StatementGSPRutherford32 min
Jun 20, 6:28 PM EDTSpecial Weather StatementGSPHenderson47 min
Jun 20, 6:35 PM EDTSpecial Weather StatementGSPBurke25 min
Jun 20, 6:47 PM EDTSevere Thunderstorm WarningGSPHenderson, Transylvania58 min
Jun 20, 6:55 PM EDTSevere Thunderstorm WarningGSPBurke, Caldwell65 min
Jun 20, 7:12 PM EDTSpecial Weather StatementGSPBuncombe48 min
Jun 20, 7:16 PM EDTSevere Thunderstorm WarningGSPBurke, McDowell59 min
Jun 20, 7:18 PM EDTSevere Thunderstorm WarningGSPPolk57 min
Jun 20, 7:23 PM EDTSpecial Weather StatementGSPAlexander37 min
Jun 20, 7:33 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba, Iredell57 min
Jun 20, 7:40 PM EDTSpecial Weather StatementGSPHenderson50 min
Jun 20, 7:50 PM EDTSevere Thunderstorm WarningGSPMacon55 min
Jun 20, 4:05 PM EDTSpecial Weather StatementGSPYork25 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2014Severe Thunderstorm Warnings in South Carolina, 2014Every 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.