Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 159, NWS Greenville-Spartanburg, SC

May 20, 2006Haywood County, Madison County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 20, 2006, 2:12 AM EDT for Haywood County, Madison County, North Carolina. It was in force for 54 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
May 20, 2006, 2:12 AM EDT (06:12 UTC)
Expired
May 20, 2006, 3:06 AM EDT
In force
54 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

Counties Haywood County, NC, Madison County, NC

The radar

The Knoxville radar (KMRX), 72 km from the middle of the area, began a volume at 06:12 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.

IssuedProductOfficeLasted
May 20, 12:09 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 6.2 hours before the alert went out and 301 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 2006-05-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2006-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 95 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2372 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
95 m²/s²
0-3 km storm-relative helicity
200 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 May 19, 10:08 PM EDT, 4 hours 4 minutes earlier.

Area forecast discussion, May 19, 10:08 PM EDT, 4 hours 4 minutes before
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Hazardous weather outlook, May 19, 5:53 AM EDT, 20 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
553 AM EDT FRI MAY 19 2006

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-201000-
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-
553 AM EDT FRI MAY 19 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 BE POSSIBLE BY LATE AFTERNOON OVER THE
SOUTHWEST MOUNTAINS OF NORTH CAROLINA. OVERNIGHT THERE WILL BE A
CHANCE OF THUNDERSTORMS ACROSS THE REGION. A FEW OF THE
THUNDERSTORMS TONIGHT MAY PRODUCE LARGE HAIL AND DAMAGING WINDS
OVER THE NORTH CAROLINA MOUNTAINS...THE UPSTATE AND NORTHEAST
GEORGIA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORM CHANCES WILL INCREASE ACROSS THE REGION ON WEDNESDAY
AND THURSDAY OF NEXT WEEK. A FEW OF THESE STORMS MAY BE SEVERE
WITH LARGE HAIL AND DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NECESSARY BY LATE TONIGHT SOUTH AND WEST
OF A LINE FROM GREENVILLE TO ASHEVILLE.

MCAVOY

In the hours before

Special weather statement, May 20, 1:17 AM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
117 AM EDT SAT MAY 20 2006

NCZ051-052-059-200730-
SWAIN-HAYWOOD-NORTHERN JACKSON-
INCLUDING THE CITIES OF...CHEROKEE...WAYNESVILLE...SYLVA
117 AM EDT SAT MAY 20 2006

...THUNDERSTORMS MOVING INTO THE CENTRAL NORTH CAROLINA MOUNTAINS...

AT 108 AM...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS MOVING FROM EAST TENNESSEE INTO THE CENTRAL NORTH
CAROLINA MOUNTAINS. THE HEAVIEST ACTIVITY WAS INITIALLY ALONG THE
TENNESSEE BORDER...FROM NEWFOUND GAP TO INTERSTATE 40. STORMS
MOVING INTO THIS REGION WILL CONTINUE INTO HAYWOOD AND NORTHERN
SWAIN COUNTIES OVER THE NEXT COUPLE OF HOURS...MAINLY ALONG THE
INTERSTATE 40 CORRIDOR. A STRAY THUNDERSTORM MAY DEVELOP INTO
NORTHERN JACKSON COUNTY AS WELL. THE HEAVIEST STORMS WILL PRODUCE
BRIEF HEAVY DOWNPOURS...GUSTY WINDS AND SMALL HAIL. STORMS ARE
INITIALLY LOSING STRENGTH AS THEY NEAR THE SPINE OF THE
APPALACHIANS...THOUGH THE THREAT FOR POSSIBLE SEVERE WEATHER
WILL REMAIN THROUGHOUT THE EARLY MORNING HOURS.

STAY TUNED TO NOAA ALL HAZARDS WEATHER RADIO...OR LOCAL MEDIA
OUTLETS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

GMS

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 3:02 PM EDTSevere Thunderstorm WarningGSPCleveland46 min
May 20, 4:08 PM EDTSevere Thunderstorm WarningGSPPolk, Rutherford38 min
May 20, 4:14 PM EDTSevere Thunderstorm WarningGSPSwain34 min
May 20, 4:44 PM EDTSevere Thunderstorm WarningGSPCleveland61 min
May 20, 5:07 PM EDTSevere Thunderstorm WarningGSPGaston53 min
May 20, 5:26 PM EDTSevere Thunderstorm WarningGSPRutherford44 min
May 20, 5:40 PM EDTSevere Thunderstorm WarningGSPCleveland45 min
May 20, 5:45 PM EDTSevere Thunderstorm WarningGSPMecklenburg60 min
May 20, 6:08 PM EDTSevere Thunderstorm WarningGSPGaston49 min
May 20, 6:25 PM EDTSevere Thunderstorm WarningGSPJackson, Transylvania34 min
May 20, 6:42 PM EDTSevere Thunderstorm WarningGSPRowan63 min
May 20, 7:08 PM EDTSevere Thunderstorm WarningGSPCatawba19 min
May 20, 7:11 PM EDTSevere Thunderstorm WarningGSPIredell35 min
May 20, 2:10 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee65 min
May 20, 2:20 PM EDTSevere Thunderstorm WarningGSPPickens44 min
May 20, 2:45 PM EDTSevere Thunderstorm WarningGSPGreenville60 min
May 20, 3:00 PM EDTSevere Thunderstorm WarningGSPLaurens60 min
May 20, 3:20 PM EDTSevere Thunderstorm WarningGSPAbbeville33 min
May 20, 3:30 PM EDTSevere Thunderstorm WarningGSPSpartanburg23 min
May 20, 3:34 PM EDTSevere Thunderstorm WarningGSPCherokee, York56 min
May 20, 3:36 PM EDTSevere Thunderstorm WarningGSPUnion36 min
May 20, 3:36 PM EDTSevere Thunderstorm WarningGSPOconee54 min
May 20, 3:38 PM EDTSevere Thunderstorm WarningGSPGreenwood67 min
May 20, 4:03 PM EDTSevere Thunderstorm WarningGSPAnderson, Pickens57 min
May 20, 4:28 PM EDTSevere Thunderstorm WarningGSPYork62 min
May 20, 4:30 PM EDTSevere Thunderstorm WarningGSPCherokee60 min
May 20, 4:31 PM EDTSevere Thunderstorm WarningGSPGreenville59 min
May 20, 4:37 PM EDTSevere Thunderstorm WarningGSPOconee53 min
May 20, 4:52 PM EDTSevere Thunderstorm WarningGSPGreenwood53 min
May 20, 4:56 PM EDTSevere Thunderstorm WarningGSPSpartanburg52 min
May 20, 5:00 PM EDTSevere Thunderstorm WarningGSPAnderson60 min
May 20, 5:15 PM EDTSevere Thunderstorm WarningGSPAbbeville, Laurens40 min
May 20, 5:17 PM EDTSevere Thunderstorm WarningGSPYork73 min
May 20, 5:45 PM EDTSevere Thunderstorm WarningGSPGreenwood41 min
May 20, 6:42 PM EDTSevere Thunderstorm WarningGSPPickens41 min
May 20, 7:38 PM EDTSevere Thunderstorm WarningGSPAbbeville31 min
May 20, 2:03 PM EDTSevere Thunderstorm WarningGSPStephens15 min
May 20, 2:32 PM EDTSevere Thunderstorm WarningGSPHart14 min
May 20, 3:04 PM EDTSevere Thunderstorm WarningGSPRabun56 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2006Every 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.