Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 104, NWS Greenville-Spartanburg, SC

June 12, 2007Avery County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 12, 2007, 1:56 PM EDT for Avery County, North Carolina. It was in force for 64 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 12, 2007, 1:56 PM EDT (17:56 UTC)
Expired: Jun 12, 2007, 3:00 PM EDT
In force: 64 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Avery County, NC

The radar

The Knoxville radar (KMRX), 133 km from the middle of the area, began a volume at 18:00 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 12:00Z, 5.9 hours before the alert went out and 182 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: 473 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 766 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -29 m²/s²
0-3 km storm-relative helicity: 0 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 12, 11:11 AM EDT, 2 hours 45 minutes earlier.

Area forecast discussion, Jun 12, 11:11 AM EDT, 2 hours 45 minutes before

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Hazardous weather outlook, Jun 12, 9:18 AM EDT, 4 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
918 AM EDT TUE JUN 12 2007

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-131015-
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-
918 AM EDT TUE JUN 12 2007

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

.DAY ONE...TODAY AND TONIGHT

A STRONG UPPER LOW WILL MOVE ACROSS THE WESTERN CAROLINAS AND
NORTHEAST GEORGIA THIS AFTERNOON. SCATTERED TO NUMEROUS SHOWERS
AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE LOW. SOME OF
THE THUNDERSTORMS WILL LIKELY BECOME SEVERE...PRODUCING HAIL UP TO
THE SIZE OF GOLFBALLS AND DAMAGING WINDS IN EXCESS OF 60 MPH.

MUCH LIKE YESTERDAY...THE FIRST STORMS ARE EXPECTED TO DEVELOP
ALONG THE LEE SLOPES AND THEN TRACK SOUTHEAST INTO THE PIEDMONT
AND FOOTHILLS. SEVERE WEATHER IS POSSIBLE JUST ABOUT
ANYWHERE...BUT THE BEST CHANCE WILL BE ACROSS THE
UPSTATE...NORTHEAST GEORGIA AND THE SOUTHERN MOUNTAINS AND
FOOTHILLS OF NORTH CAROLINA...GENERALLY SOUTH OF INTERSTATE 40.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN ON WEDNESDAY. WHILE THE
ATMOSPHERE WILL NOT BE AS UNSTABLE AS IT WILL BE TODAY...A FEW
STORMS COULD STILL BECOME SEVERE DURING THE AFTERNOON HOURS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED. DISPATCHERS PLEASE BE
SURE TO RELAY THIS INFORMATION TO LOCAL EMERGENCY PREPAREDNESS
OFFICIALS.

STAY TUNED TO NOAA WEATHER RADIO...OR YOUR FAVORITE MEDIA
OUTLET...FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

In the hours before

Local storm report, Jun 12, 10:05 AM EDT, 3 hours 51 minutes before

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Local storm report, Jun 12, 11:48 AM EDT, 2 hours 8 minutes before

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Local storm report, Jun 12, 12:44 PM EDT, 1 hour 12 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
Jun 12, 5:34 AM EDT	Dense Fog Advisory	GSP	Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 7 more	3 hr
Jun 12, 2:50 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	55 min
Jun 12, 2:53 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	55 min
Jun 12, 2:57 PM EDT	Severe Thunderstorm Warning	GSP	Burke	78 min
Jun 12, 3:23 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe	67 min
Jun 12, 3:29 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	76 min
Jun 12, 3:40 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	65 min
Jun 12, 3:51 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	18 min
Jun 12, 4:01 PM EDT	Severe Thunderstorm Warning	GSP	Rutherford	35 min
Jun 12, 4:06 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	54 min
Jun 12, 4:11 PM EDT	Severe Thunderstorm Warning	GSP	Union	64 min
Jun 12, 4:26 PM EDT	Severe Thunderstorm Warning	GSP	Macon	64 min
Jun 12, 4:32 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson	34 min
Jun 12, 4:43 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	28 min
Jun 12, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	60 min
Jun 12, 5:00 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	22 min
Jun 12, 5:13 PM EDT	Severe Thunderstorm Warning	GSP	Madison	33 min
Jun 12, 5:35 PM EDT	Severe Thunderstorm Warning	GSP	Jackson	55 min
Jun 12, 6:00 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	60 min
Jun 12, 6:08 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	53 min
Jun 12, 6:15 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	25 min
Jun 12, 6:22 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	53 min
Jun 12, 7:13 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	23 min
Jun 12, 2:30 PM EDT	Severe Thunderstorm Warning	GSP	Pickens	60 min
Jun 12, 2:48 PM EDT	Severe Thunderstorm Warning	GSP	York	72 min
Jun 12, 3:34 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Pickens	56 min
Jun 12, 3:44 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee, Pickens	61 min
Jun 12, 4:00 PM EDT	Severe Thunderstorm Warning	GSP	York	75 min
Jun 12, 4:34 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	56 min
Jun 12, 4:39 PM EDT	Severe Thunderstorm Warning	GSP	Cherokee	81 min
Jun 12, 5:20 PM EDT	Severe Thunderstorm Warning	GSP	Spartanburg	70 min
Jun 12, 5:21 PM EDT	Severe Thunderstorm Warning	GSP	Union	69 min
Jun 12, 5:29 PM EDT	Severe Thunderstorm Warning	GSP	Greenville	61 min
Jun 12, 5:42 PM EDT	Severe Thunderstorm Warning	GSP	Oconee, Pickens	63 min
Jun 12, 6:14 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	61 min
Jun 12, 7:01 PM EDT	Severe Thunderstorm Warning	GSP	Abbeville, Greenwood	59 min
Jun 12, 4:29 PM EDT	Severe Thunderstorm Warning	GSP	Franklin, Hart, Stephens	61 min
Jun 12, 5:24 PM EDT	Severe Thunderstorm Warning	GSP	Habersham	66 min
Jun 12, 5:31 PM EDT	Severe Thunderstorm Warning	GSP	Rabun	59 min
Jun 12, 5:32 PM EDT	Severe Thunderstorm Warning	GSP	Franklin	58 min
Jun 12, 7:23 PM EDT	Severe Thunderstorm Warning	GSP	Hart	28 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2007 Every severe thunderstorm warning in 2007

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.