Alert archive / North Carolina / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 1, NWS Greenville-Spartanburg, SC

January 30, 20135 counties in North Carolina; Rabun County, Georgia

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jan 30, 2013, 12:47 PM EST for 5 counties in North Carolina; Rabun County, Georgia. 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 counties it named.

The facts

Issued: Jan 30, 2013, 12:47 PM EST (17:47 UTC)
Expired: Jan 30, 2013, 1:45 PM EST
In force: 58 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

Counties Rabun County, GA, Graham County, NC, Haywood County, NC, Jackson County, NC, Macon County, NC, Swain County, NC

The radar

The Knoxville radar (KMRX), 98 km from the middle of the area, began a volume at 17:50 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 30, 8:11 AM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.8 hours before the alert went out and 237 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: 220 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 343 m²/s²
0-3 km storm-relative helicity: 420 m²/s²
Significant tornado parameter: 0.4
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 Jan 30, 10:38 AM EST, 2 hours 9 minutes earlier.

Area forecast discussion, Jan 30, 10:38 AM EST, 2 hours 9 minutes before

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Hazardous weather outlook, Jan 30, 11:06 AM EST, 1 hour 41 minutes before

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In the hours before

Local storm report, Jan 30, 9:30 AM EST, 3 hours 17 minutes before

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Local storm report, Jan 30, 9:41 AM EST, 3 hours 6 minutes before

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Local storm report, Jan 30, 10:00 AM EST, 2 hours 47 minutes before

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Local storm report, Jan 30, 10:11 AM EST, 2 hours 36 minutes before

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Local storm report, Jan 30, 10:32 AM EST, 2 hours 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1032 AM EST WED JAN 30 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     NON-TSTM WND DMG HENDERSONVILLE          35.32N 82.46W
01/30/2013                   HENDERSON          NC   COUNTY OFFICIAL

            SEVERAL TRESS DOWN ACROSS THE COUNTY SINCE 6 AM THIS
            MORNING.

&&

KRENTZ

Special weather statement, Jan 30, 11:18 AM EST, 1 hour 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1118 AM EST WED JAN 30 2013

NCZ033-035>037-048>050-052-053-056-057-064-065-068>072-082-
501>510-SCZ002-003-005>014-019-301900-
AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-HAYWOOD-
BUNCOMBE-CATAWBA-ROWAN-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-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER PICKENS-GREATER GREENVILLE-
SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-
CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...WAYNESVILLE...ASHEVILLE...HICKORY...SALISBURY...
BREVARD...HENDERSONVILLE...SHELBY...LINCOLNTON...GASTONIA...
CHARLOTTE...CONCORD...MONROE...LENOIR...MORGANTON...MARION...
LAKE LURE...RUTHERFORD...COLUMBUS...GREENVILLE...SPARTANBURG...
GAFFNEY...ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...
CHESTER...GREENWOOD
1118 AM EST WED JAN 30 2013

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EARLY EVENING
ACROSS THE WESTERN CAROLINAS...

A STRONG COLD FRONT WILL SWEEP EAST ACROSS NORTHEAST GEORGIA AND
THE WESTERN CAROLINAS THIS AFTERNOON THROUGH THIS EVENING. A LINE
OR BAND OF STRONG TO SEVERE THUNDERSTORMS AHEAD OF THE COLD FRONT
WILL MOVE ACROSS THE REGION WITH THE POTENTIAL TO PRODUCE
WIDESPREAD WIND DAMAGE WITH SOME WIND GUSTS IN THE 50 TO 70 MPH
RANGE. IN ADDITION...THERE IS THE POTENTIAL FOR A FEW BRIEF
TORNADOES TO DEVELOP. SOME OF THE SEVERE STORMS WILL OCCUR WITH
LITTLE OR NO LIGHTNING. ISOLATED FLOODING COULD DEVELOP ALONG A
FEW STREAMS BY LATE IN THE DAY. THE LINE OF STORMS SHOULD CROSS
THE MOUNTAINS THROUGH THE EARLY AFTERNOON. THE LINE WILL THEN MOVE
OUT ACROSS UPSTATE SOUTH CAROLINA AND THE NORTH CAROLINA FOOTHILLS
IN THE EARLY TO MIDDLE PART OF THE AFTERNOON...AND THEN THE
WESTERN PIEDMONT OF NORTH CAROLINA IN THE LATE AFTERNOON AND EARLY
EVENING.

SEVERE WEATHER WATCHES MAY BE ISSUED FOR ALL OR PART OF THE AREA
FOR LATER IN THE DAY. PEOPLE ACROSS THE WESTERN CAROLINAS SHOULD
BE ON THE LOOKOUT FOR DANGEROUS WEATHER AND LISTEN FOR LATER
WARNINGS.

MOORE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 30, 4:16 AM EST	Winter Weather Advisory	GSP	Avery, Madison, Mitchell, Yancey	30 hr
Jan 30, 6:09 AM EST	Special Weather Statement	GSP	Graham, Macon, Swain	111 min
Jan 30, 1:46 PM EST	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson, Jackson, Macon, Madison and 1 more	59 min
Jan 30, 1:58 PM EST	Areal Flood Advisory	GSP	Haywood, Jackson, Macon	2 hr
Jan 30, 2:12 PM EST	Severe Thunderstorm Warning	GSP	Avery, Buncombe, Madison, Mitchell, Yancey	63 min
Jan 30, 3:02 PM EST	Special Weather Statement	GSP	Buncombe, Henderson, Jackson, Transylvania, Yancey	58 min
Jan 30, 3:11 PM EST	Areal Flood Advisory	GSP	Transylvania	79 min
Jan 30, 3:37 PM EST	Severe Thunderstorm Warning	GSP	Transylvania	53 min
Jan 30, 3:44 PM EST	Flash Flood Warning	GSP	Transylvania	6 hr
Jan 30, 3:50 PM EST	River Flood Advisory	GSP	Swain	12 hr
Jan 30, 3:50 PM EST	River Flood Advisory	GSP	Swain	12 hr
Jan 30, 3:54 PM EST	Tornado Warning	GSP	Transylvania	36 min
Jan 30, 4:26 PM EST	Areal Flood Advisory	GSP	Buncombe, Henderson	2 hr
Jan 30, 4:37 PM EST	Areal Flood Advisory	GSP	Jackson	113 min
Jan 30, 4:53 PM EST	Flash Flood Warning	GSP	Avery, Burke, Caldwell, McDowell, Mitchell, Yancey	6 hr
Jan 30, 5:15 PM EST	Severe Thunderstorm Warning	GSP	Burke, Caldwell, McDowell, Polk, Rutherford	60 min
Jan 30, 5:22 PM EST	Flash Flood Warning	GSP	Buncombe, Henderson	3 hr
Jan 30, 5:28 PM EST	Tornado Warning	GSP	Polk, Rutherford	32 min
Jan 30, 5:56 PM EST	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Gaston, Lincoln, Rutherford	64 min
Jan 30, 5:57 PM EST	River Flood Warning	GSP	Swain	22 hr
Jan 30, 5:57 PM EST	River Flood Warning	GSP	Swain	18 hr
Jan 30, 6:04 PM EST	Areal Flood Warning	GSP	Haywood	5 hr
Jan 30, 6:21 PM EST	Special Weather Statement	GSP	Alexander	39 min
Jan 30, 6:59 PM EST	River Flood Warning	GSP	Henderson, Transylvania	56 hr
Jan 30, 3:48 PM EST	Areal Flood Advisory	GSP	Oconee	2 hr
Jan 30, 4:11 PM EST	Tornado Warning	GSP	Oconee, Pickens	34 min
Jan 30, 4:32 PM EST	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Oconee, Pickens	58 min
Jan 30, 5:30 PM EST	Severe Thunderstorm Warning	GSP	Abbeville, Anderson	60 min
Jan 30, 6:12 PM EST	Special Weather Statement	GSP	Abbeville, Cherokee, Greenwood, Laurens, Spartanburg	63 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2013 Severe Thunderstorm Warnings in Georgia, 2013 Every severe thunderstorm warning in 2013

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.