Alert archive / South Carolina / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 157, NWS Greenville-Spartanburg, SC

July 15, 2016York County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 15, 2016, 5:49 PM EDT for York 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 counties it named.

The facts

Issued
Jul 15, 2016, 5:49 PM EDT (21:49 UTC)
Expired
Jul 15, 2016, 6:30 PM EDT
In force
41 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County York County, SC

The radar

The Greer radar (KGSP), 95 km from the middle of the area, began a volume at 21:51 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, 9.8 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 2016-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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 2016-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 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
37 J/kg
Mixed-layer CIN
-235 J/kg
Mixed-layer LCL
1647 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-38 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 15, 2:25 PM EDT, 3 hours 24 minutes earlier.

Area forecast discussion, Jul 15, 2:25 PM EDT, 3 hours 24 minutes before
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Hazardous weather outlook, Jul 15, 3:13 PM EDT, 2 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
313 PM EDT FRI JUL 15 2016

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-161915-
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-
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-CHESTER-GREENWOOD-
313 PM EDT FRI JUL 15 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP
ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA LATE THIS
AFTERNOON THROUGH THIS EVENING BEFORE GRADUALLY DISSIPATING
OVERNIGHT. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE...WITH
DAMAGING WIND GUSTS BEING THE PRIMARY THREAT. ANY HAIL PRODUCED
WILL BE MAINLY LESS THAN QUARTER SIZE. ANY OF THE THUNDERSTORMS
WILL BE CAPABLE OF PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING
AND LOCALLY HEAVY RAINFALL.

.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...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

GERAPETRITIS

In the hours before

Special weather statement, Jul 15, 4:42 PM EDT, 1 hour 7 minutes before
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Special weather statement, Jul 15, 5:05 PM EDT, 44 minutes before
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Special weather statement, Jul 15, 5:08 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
508 PM EDT FRI JUL 15 2016

NCZ071-152130-
MECKLENBURG NC-
508 PM EDT FRI JUL 15 2016

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL MECKLENBURG COUNTY
UNTIL 530 PM EDT...

AT 507 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 10
MILES EAST OF UPTOWN CHARLOTTE...OR NEAR MINT HILL...MOVING EAST AT
15 MPH.

LOCATIONS TO BE IMPACTED INCLUDE...
MINT HILL AND EAST CHARLOTTE.

PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE IN THESE
AREAS.

LAT...LON 3516 8061 3517 8071 3524 8074 3526 8065
      3522 8057 3519 8057
TIME...MOT...LOC 2107Z 263DEG 11KT 3522 8065

LANE
Special weather statement, Jul 15, 5:29 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 PM EDT FRI JUL 15 2016

SCZ013-152145-
UNION SC-
529 PM EDT FRI JUL 15 2016

...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL UNION COUNTY UNTIL
545 PM EDT...

AT 529 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES EAST OF UNION...OR 5 MILES SOUTHEAST OF MONARCH MILL...MOVING
EAST AT 20 MPH.

LOCATIONS TO BE IMPACTED INCLUDE...
MONARCH MILL AND SANTUC.

PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE IN THESE
AREAS.

LAT...LON 3464 8160 3471 8161 3473 8148 3473 8146
      3471 8145 3468 8145 3465 8144 3463 8143
TIME...MOT...LOC 2129Z 258DEG 17KT 3468 8149

LANE
Special weather statement, Jul 15, 5:31 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
531 PM EDT FRI JUL 15 2016

SCZ009-152145-
YORK SC-
531 PM EDT FRI JUL 15 2016

...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN YORK COUNTY UNTIL
545 PM EDT...

AT 531 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9
MILES WEST OF YORK...OR NEAR HICKORY GROVE...MOVING EAST AT 20 MPH.

LOCATIONS TO BE IMPACTED INCLUDE...
SHARON...HICKORY GROVE AND SMYRNA.

HALF INCH HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE IN THESE
AREAS.

LAT...LON 3493 8125 3495 8149 3497 8149 3498 8148
      3501 8148 3503 8149 3505 8147 3505 8141
      3506 8140 3509 8129
TIME...MOT...LOC 2131Z 258DEG 16KT 3500 8140

LANE
Special weather statement, Jul 15, 5:46 PM EDT, 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
546 PM EDT FRI JUL 15 2016

NCZ072-152200-
CABARRUS NC-
546 PM EDT FRI JUL 15 2016

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL CABARRUS COUNTY UNTIL
600 PM EDT...

AT 546 PM EDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5
MILES SOUTHEAST OF DOWNTOWN CONCORD...MOVING EAST AT 15 MPH.

LOCATIONS TO BE IMPACTED INCLUDE...
DOWNTOWN CONCORD AND MT PLEASANT.

PEA SIZE HAIL AND WIND GUSTS UP TO 45 MPH WILL BE POSSIBLE IN THESE
AREAS.

LAT...LON 3527 8045 3529 8058 3539 8061 3546 8032
TIME...MOT...LOC 2146Z 260DEG 14KT 3534 8052

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 10:37 PM EDTSpecial Weather StatementGSPIredell23 min
Jul 15, 12:59 PM EDTSpecial Weather StatementGSPUnion31 min
Jul 15, 1:34 PM EDTSpecial Weather StatementGSPUnion26 min
Jul 15, 3:06 PM EDTSpecial Weather StatementGSPBuncombe24 min
Jul 15, 3:35 PM EDTSpecial Weather StatementGSPStanly25 min
Jul 15, 3:38 PM EDTSpecial Weather StatementGSPAvery22 min
Jul 15, 4:28 PM EDTSpecial Weather StatementGSPJackson17 min
Jul 15, 4:42 PM EDTSpecial Weather StatementGSPMcDowell18 min
Jul 15, 5:08 PM EDTSpecial Weather StatementGSPMecklenburg22 min
Jul 15, 5:46 PM EDTSpecial Weather StatementGSPCabarrus14 min
Jul 15, 6:27 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union63 min
Jul 15, 6:58 PM EDTAreal Flood AdvisoryGSPMecklenburg2 hr
Jul 15, 7:24 PM EDTAreal Flood AdvisoryGSPUnion111 min
Jul 15, 7:32 PM EDTSpecial Weather StatementGSPUnion28 min
Jul 15, 7:39 PM EDTSpecial Weather StatementGSPRowan36 min
Jul 15, 7:55 PM EDTSpecial Weather StatementGSPIredell35 min
Jul 15, 1:42 PM EDTSpecial Weather StatementGSPChester33 min
Jul 15, 2:18 PM EDTSpecial Weather StatementGSPChester27 min
Jul 15, 4:25 PM EDTSpecial Weather StatementGSPSpartanburg20 min
Jul 15, 5:05 PM EDTSpecial Weather StatementGSPPickens25 min
Jul 15, 5:29 PM EDTSpecial Weather StatementGSPUnion16 min
Jul 15, 5:31 PM EDTSpecial Weather StatementGSPYork14 min
Jul 15, 5:57 PM EDTSpecial Weather StatementGSPPickens33 min
Jul 15, 6:17 PM EDTSpecial Weather StatementGSPChester28 min
Jul 15, 6:39 PM EDTAreal Flood AdvisoryGSPYork111 min
Jul 15, 7:28 PM EDTSpecial Weather StatementGSPUnion32 min
Jul 15, 3:32 PM EDTSpecial Weather StatementGSPRabun28 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2016Every severe thunderstorm warning in 2016

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.