Alert archive / North Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Greenville-Spartanburg, SC

August 19, 2011Haywood County, North Carolina

NWS Greenville-Spartanburg, SC issued this special weather statement at Aug 19, 2011, 11:22 PM EDT for Haywood County, North Carolina. It was in force for 38 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 19, 2011, 11:22 PM EDT (03:22 UTC)
Expired
Aug 20, 2011, 12:00 AM EDT
In force
38 min
Issued by
NWS Greenville-Spartanburg, SC

County Haywood County, NC

The radar

The Knoxville radar (KMRX), 67 km from the middle of the area, began a volume at 03:22 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 3.4 hours before the alert went out and 302 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, Peachtre/Fal Fld, GA at 00:00Z on 2011-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 242 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, Peachtre/Fal Fld, GA at 00:00Z on 2011-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
242 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
2109 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 19, 10:48 PM EDT, 34 minutes earlier.

Area forecast discussion, Aug 19, 10:48 PM EDT, 34 minutes before
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Hazardous weather outlook, Aug 19, 2:52 PM EDT, 8 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
252 PM EDT FRI AUG 19 2011

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-201900-
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-
252 PM EDT FRI AUG 19 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP INTO
THIS EVENING ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA.
A FEW OF THE THUNDERSTORMS COULD BECOME SEVERE...PRODUCING HAIL AS
LARGE AS QUARTERS AND DAMAGING WIND GUSTS. HEAVY RAINFALL AND
CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH ANY THUNDERSTORMS
THAT DEVELOP.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO RELAY ANY REPORTS OF SEVERE WEATHER TO THE
NATIONAL WEATHER SERVICE.

In the hours before

Special weather statement, Aug 19, 6:41 PM EDT, 4 hours 41 minutes before
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Local storm report, Aug 19, 6:52 PM EDT, 4 hours 30 minutes before
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Special weather statement, Aug 19, 11:07 PM EDT, 15 minutes before
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Special weather statement, Aug 19, 11:14 PM EDT, 8 minutes before
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Special weather statement, Aug 19, 11:18 PM EDT, 4 minutes before
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Special weather statement, Aug 19, 11:22 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.

IssuedProductOfficeCountiesLasted
Aug 19, 11:18 PM EDTSpecial Weather StatementGSPMadison42 min
Aug 20, 2:30 PM EDTAreal Flood AdvisoryGSPRowan60 min
Aug 20, 4:46 PM EDTSpecial Weather StatementGSPBurke44 min
Aug 20, 5:04 PM EDTSpecial Weather StatementGSPAvery41 min
Aug 20, 5:39 PM EDTSpecial Weather StatementGSPTransylvania51 min
Aug 20, 6:04 PM EDTSevere Thunderstorm WarningGSPTransylvania47 min
Aug 19, 11:07 PM EDTSpecial Weather StatementGSPAnderson38 min
Aug 19, 11:14 PM EDTSpecial Weather StatementGSPGreenwood46 min
Aug 20, 6:25 PM EDTSevere Thunderstorm WarningGSPLaurens65 min

Nearby

Special Weather Statements in North Carolina, 2011Every special weather statement in 2011

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.