Alert archive / North Carolina / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 140, NWS Greenville-Spartanburg, SC

June 27, 2015Davie County, Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 27, 2015, 3:54 PM EDT for Davie County, Iredell County, North Carolina. It was in force for 51 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 27, 2015, 3:54 PM EDT (19:54 UTC)
Expired
Jun 27, 2015, 4:45 PM EDT
In force
51 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Davie County, NC, Iredell County, NC

The radar

The Roanoke radar (KFCX), 134 km from the middle of the area, began a volume at 19:54 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

Roanoke, VA (KRNK), launched 12:00Z, 7.9 hours before the alert went out and 183 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, Roanoke, VA at 12:00Z on 2015-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 253 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, Roanoke, VA at 12:00Z on 2015-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
253 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
579 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.8

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 27, 2:51 PM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Jun 27, 2:51 PM EDT, 1 hour 3 minutes before
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Hazardous weather outlook, Jun 27, 11:45 AM EDT, 4 hours 9 minutes before
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In the hours before

Local storm report, Jun 27, 12:02 PM EDT, 3 hours 52 minutes before
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Special weather statement, Jun 27, 2:44 PM EDT, 1 hour 10 minutes before
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Special weather statement, Jun 27, 3:14 PM EDT, 40 minutes before
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Special weather statement, Jun 27, 3:29 PM EDT, 25 minutes before
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Special weather statement, Jun 27, 3:41 PM EDT, 13 minutes before
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Special weather statement, Jun 27, 3:46 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
346 PM EDT SAT JUN 27 2015

SCZ001>007-010-272045-
GREATER PICKENS SC-PICKENS MOUNTAINS SC-GREATER OCONEE SC-
OCONEE MOUNTAINS SC-GREATER GREENVILLE SC-SPARTANBURG SC-
GREENVILLE MOUNTAINS SC-ANDERSON SC-
346 PM EDT SAT JUN 27 2015

...A LINE OF STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF CENTRAL
OCONEE...PICKENS...NORTHWESTERN SPARTANBURG...NORTHERN GREENVILLE AND
NORTH CENTRAL ANDERSON COUNTIES UNTIL 445 PM EDT...

AT 346 PM EDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 10 MILES SOUTH OF BREVARD
TO 8 MILES WEST OF WALHALLA...AND MOVING EAST AT 25 MPH.

WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
EASLEY...CLEMSON...SENECA...WALHALLA...PICKENS...TAYLORS...GREENVILLE
DOWNTOWN...BEREA...TRAVELERS REST AND CENTRAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL MAY FLOOD AREAS WITH POOR DRAINAGE...SUCH AS
DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED
ROADS. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE
RAPIDLY. SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. 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
STORMS APPROACH.

&&

LAT...LON 3471 8335 3507 8278 3510 8270 3513 8268
      3514 8201 3466 8270
TIME...MOT...LOC 1946Z 272DEG 22KT 3510 8267 3475 8321

CDG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 8:05 PM EDTSpecial Weather StatementGSPMecklenburg25 min
Jun 26, 8:38 PM EDTSpecial Weather StatementGSPMecklenburg37 min
Jun 26, 9:11 PM EDTSpecial Weather StatementGSPMecklenburg34 min
Jun 26, 9:43 PM EDTSpecial Weather StatementGSPMecklenburg62 min
Jun 26, 9:47 PM EDTSevere Thunderstorm WarningGSPMecklenburg43 min
Jun 26, 10:21 PM EDTAreal Flood AdvisoryGSPMecklenburg114 min
Jun 27, 1:12 AM EDTSpecial Weather StatementGSPCabarrus33 min
Jun 27, 2:44 PM EDTSpecial Weather StatementGSPCleveland, Gaston46 min
Jun 27, 3:14 PM EDTSpecial Weather StatementGSPIredell46 min
Jun 27, 3:29 PM EDTSpecial Weather StatementGSPMecklenburg61 min
Jun 27, 4:43 PM EDTSpecial Weather StatementGSPDavie47 min
Jun 27, 6:04 PM EDTSpecial Weather StatementGSPUnion71 min
Jun 27, 6:20 PM EDTSpecial Weather StatementGSPDavie40 min
Jun 26, 8:20 PM EDTSpecial Weather StatementGSPYork40 min
Jun 26, 9:12 PM EDTSpecial Weather StatementGSPYork48 min
Jun 26, 9:33 PM EDTAreal Flood AdvisoryGSPYork117 min
Jun 27, 3:41 PM EDTSpecial Weather StatementGSPCherokee64 min
Jun 27, 3:46 PM EDTSpecial Weather StatementGSPGreenville, Oconee, Pickens59 min
Jun 27, 4:17 PM EDTSpecial Weather StatementGSPGreenwood58 min
Jun 27, 4:24 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg41 min
Jun 27, 5:11 PM EDTSpecial Weather StatementGSPCherokee34 min
Jun 27, 5:28 PM EDTSpecial Weather StatementGSPYork62 min
Jun 27, 7:57 PM EDTSpecial Weather StatementGSPLaurens48 min
Jun 27, 7:29 PM EDTSpecial Weather StatementGSPElbert31 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2015Every severe thunderstorm warning in 2015

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.