Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

May 15, 2012Cabarrus County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at May 15, 2012, 9:29 PM EDT for Cabarrus County, North Carolina. It was in force for 46 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: May 15, 2012, 9:29 PM EDT (01:29 UTC)
Expired: May 15, 2012, 10:15 PM EDT
In force: 46 min
Issued by: NWS Greenville-Spartanburg, SC

County Cabarrus County, NC

The radar

The Columbia radar (KCAE), 162 km from the middle of the area, began a volume at 01:30 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 00:00Z, 1.5 hours before the alert went out and 101 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: 932 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1114 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

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 Greenville-Spartanburg, SC wrote its last area forecast discussion before this special weather statement went out at May 15, 8:04 PM EDT, 1 hour 25 minutes earlier.

Area forecast discussion, May 15, 8:04 PM EDT, 1 hour 25 minutes before

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Hazardous weather outlook, May 15, 8:51 PM EDT, 38 minutes before

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In the hours before

Special weather statement, May 15, 6:34 PM EDT, 2 hours 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
634 PM EDT TUE MAY 15 2012

SCZ013-014-152315-
CHESTER-UNION-
634 PM EDT TUE MAY 15 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN UNION AND WESTERN
CHESTER COUNTIES THROUGH 715 PM EDT...

AT 630 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES SOUTHEAST OF WHITMIRE...OR 13 MILES NORTH
OF NEWBERRY...MOVING NORTHEAST AT 25 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  CARLISLE...

SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

LAT...LON 3451 8160 3452 8164 3455 8166 3475 8156
      3467 8127 3456 8137 3456 8142 3452 8142
      3448 8145 3448 8149 3444 8154

LANE

Special weather statement, May 15, 6:55 PM EDT, 2 hours 34 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
655 PM EDT TUE MAY 15 2012

NCZ064-SCZ002-003-152345-
GREENVILLE MOUNTAINS-PICKENS MOUNTAINS-TRANSYLVANIA-
655 PM EDT TUE MAY 15 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN PICKENS...NORTHWESTERN
GREENVILLE AND SOUTHEASTERN TRANSYLVANIA COUNTIES THROUGH 745 PM
EDT...

AT 650 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR ROCKY BOTTOM...OR 13 MILES NORTHWEST OF
PICKENS...MOVING EAST AT 15 MPH.

THIS STORM WILL IMPACT LOCATIONS NEAR...
  ROCKY BOTTOM...
  TABLE ROCK...
  CAESARS HEAD...

TORRENTIAL RAINFALL...SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH
ARE EXPECTED WITH THIS STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3511 8291 3518 8260 3496 8257 3496 8259
      3500 8291 3504 8291 3505 8290 3506 8291

LANE

Special weather statement, May 15, 7:44 PM EDT, 1 hour 45 minutes before

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Special weather statement, May 15, 7:47 PM EDT, 1 hour 42 minutes before

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Special weather statement, May 15, 8:45 PM EDT, 44 minutes before

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Special weather statement, May 15, 9:29 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 15, 8:45 PM EDT	Special Weather Statement	GSP	Cabarrus	30 min
May 15, 11:36 PM EDT	Special Weather Statement	GSP	Cleveland	39 min
May 15, 11:54 PM EDT	Special Weather Statement	GSP	Catawba	66 min
May 16, 12:22 AM EDT	Special Weather Statement	GSP	Cleveland	53 min
May 16, 1:04 AM EDT	Areal Flood Advisory	GSP	Cleveland, Gaston	3 hr
May 16, 1:08 AM EDT	Special Weather Statement	GSP	Catawba	67 min
May 16, 1:15 AM EDT	Special Weather Statement	GSP	Gaston, Lincoln, Mecklenburg	60 min
May 16, 1:22 AM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Gaston, Iredell, Lincoln, Mecklenburg	53 min
May 16, 1:49 AM EDT	Areal Flood Advisory	GSP	Catawba	6 hr
May 16, 2:36 AM EDT	Special Weather Statement	GSP	Rowan	39 min
May 16, 7:02 PM EDT	Special Weather Statement	GSP	Mecklenburg	43 min
May 16, 7:04 PM EDT	Special Weather Statement	GSP	Caldwell	41 min
May 16, 7:46 PM EDT	Special Weather Statement	GSP	Mecklenburg	44 min
May 16, 7:48 PM EDT	Special Weather Statement	GSP	Catawba	42 min
May 15, 10:48 PM EDT	Special Weather Statement	GSP	Cherokee	42 min

Nearby

Special Weather Statements in North 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.