Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 69, NWS Greenville-Spartanburg, SC

April 17, 2006Mecklenburg County, Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 17, 2006, 3:43 PM EDT for Mecklenburg County, Union County, North Carolina. It was in force for 44 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: Apr 17, 2006, 3:43 PM EDT (19:43 UTC)
Expired: Apr 17, 2006, 4:27 PM EDT
In force: 44 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

Counties Mecklenburg County, NC, Union County, NC

The radar

The Columbia radar (KCAE), 136 km from the middle of the area, began a volume at 19:45 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
Apr 17, 11:31 AM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.7 hours before the alert went out and 128 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1287 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 79 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 Apr 17, 3:05 PM EDT, 38 minutes earlier.

Area forecast discussion, Apr 17, 3:05 PM EDT, 38 minutes before

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Hazardous weather outlook, Apr 17, 5:29 AM EDT, 10 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
529 AM EDT MON APR 17 2006

GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-
SCZ001>014-019-181000-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL-
ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-
BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-
MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD-
CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC-
OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-
GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-
CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-
GREENWOOD-
529 AM EDT MON APR 17 2006

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL CROSS THE NORTHERN MOUNTAINS OF NORTH CAROLINA
AND THEN CROSS THE FOOTHILLS AND PIEDMONT OF THE CAROLINAS TODAY.
A FEW OF THE STORMS OVER THE PIEDMONT IN THE MID DAY AND EARLY
AFTERNOON MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WIND.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

MORE THUNDERSTORMS COULD AFFECT THE AREA IN THE MID TO LATE WEEK.
AT THE CURRENT TIME...THE BEST CHANCE OF ANY SEVERE WOULD BE OVER
THE FAR WESTERN AREAS OF THE FORECAST AREA...THE WESTERN TIP OF
NORTH CAROLINA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY IN THE CAROLINA
PIEDMONT...GENERALLY ALONG AND EAST OF INTERSTATE 77.

OUTLAW

In the hours before

Local storm report, Apr 17, 2:54 PM EDT, 49 minutes before

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Local storm report, Apr 17, 3:20 PM EDT, 23 minutes before

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Local storm report, Apr 17, 3:21 PM EDT, 22 minutes before

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Local storm report, Apr 17, 3:40 PM EDT, 3 minutes before

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Local storm report, Apr 17, 3:40 PM EDT, 3 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
Apr 17, 11:08 AM EDT	Lake Wind Advisory	GSP	Alexander, Avery, Buncombe, Cabarrus, Catawba, Cleveland and 17 more	8 hr
Apr 17, 12:57 PM EDT	Severe Thunderstorm Warning	GSP	Avery, Mitchell	32 min
Apr 17, 2:12 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell	63 min
Apr 17, 2:29 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	51 min
Apr 17, 2:41 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	64 min
Apr 17, 2:49 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	56 min
Apr 17, 3:02 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	28 min
Apr 17, 3:13 PM EDT	Severe Thunderstorm Warning	GSP	York	62 min
Apr 17, 4:14 PM EDT	Severe Thunderstorm Warning	GSP	York	33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006 Every severe thunderstorm warning in 2006

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.