Alert archive / North Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 29, 2012Iredell County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 29, 2012, 12:02 AM EDT for Iredell County, North Carolina. It was in force for 58 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: Aug 29, 2012, 12:02 AM EDT (04:02 UTC)
Expired: Aug 29, 2012, 1:00 AM EDT
In force: 58 min
Issued by: NWS Greenville-Spartanburg, SC

County Iredell County, NC

The radar

The Roanoke radar (KFCX), 126 km from the middle of the area, began a volume at 04:05 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, 4.0 hours before the alert went out and 79 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: 2163 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 3.7

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 Aug 28, 10:40 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Aug 28, 10:40 PM EDT, 1 hour 22 minutes before

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Hazardous weather outlook, Aug 28, 3:25 PM EDT, 8 hours 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
325 PM EDT TUE AUG 28 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-291930-
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-
325 PM EDT TUE AUG 28 2012

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND A FEW THUNDERSTORMS WILL AFFECT THE AREA THIS EVENING.
THE BIGGEST THREAT WITH THESE STORMS WILL BE CLOUD TO GROUND
LIGHTNING. ALSO...PERIODS OF HEAVY RAINFALL WILL BE POSSIBLE AND
LOCALIZED URBAN FLOODING COULD DEVELOP ACROSS POOR DRAINAGE AND
LOW LYING AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

KRENTZ

In the hours before

Special weather statement, Aug 28, 8:09 PM EDT, 3 hours 53 minutes before

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Special weather statement, Aug 28, 8:50 PM EDT, 3 hours 12 minutes before

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Special weather statement, Aug 28, 9:39 PM EDT, 2 hours 23 minutes before

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Special weather statement, Aug 28, 10:32 PM EDT, 1 hour 30 minutes before

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Special weather statement, Aug 28, 11:22 PM EDT, 40 minutes before

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Special weather statement, Aug 29, 12:02 AM 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
Aug 28, 8:09 PM EDT	Special Weather Statement	GSP	Union	36 min
Aug 28, 8:50 PM EDT	Special Weather Statement	GSP	Davie	55 min
Aug 28, 9:39 PM EDT	Special Weather Statement	GSP	Davie	66 min
Aug 28, 10:32 PM EDT	Special Weather Statement	GSP	Davie	58 min
Aug 28, 11:06 PM EDT	Areal Flood Advisory	GSP	Davie	114 min
Aug 28, 11:22 PM EDT	Special Weather Statement	GSP	Iredell	38 min
Aug 29, 2:16 PM EDT	Special Weather Statement	GSP	Union	44 min
Aug 29, 2:34 PM EDT	Areal Flood Advisory	GSP	Union	86 min
Aug 29, 2:46 PM EDT	Areal Flood Advisory	GSP	Mecklenburg	104 min
Aug 29, 3:53 PM EDT	Flash Flood Warning	GSP	Union	3 hr
Aug 29, 4:32 PM EDT	Special Weather Statement	GSP	Polk	43 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.