Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 137, NWS Greenville-Spartanburg, SC

May 14, 2006Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 14, 2006, 12:13 AM EDT for Catawba County, North Carolina. It was in force for 28 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 14, 2006, 12:13 AM EDT (04:13 UTC)
Expired: May 14, 2006, 12:41 AM EDT
In force: 28 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Counties, with a storm outline in the text

County Catawba County, NC

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 04:14 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 00:00Z, 4.2 hours before the alert went out and 127 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: 43 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 2328 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 31 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 13, 8:23 PM EDT, 3 hours 50 minutes earlier.

Area forecast discussion, May 13, 8:23 PM EDT, 3 hours 50 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
823 PM EDT SAT MAY 13 2006

.SHORT TERM /REST OF TONIGHT/...
UPDATING ZONES TO ACCOUNT FOR SEVERE THUNDERSTORM WATCH NUMBER
345. I/VE ALSO LOWERED DEWPOINTS BEHIND THE COLD FRONT TOMORROW AS
IT APPEARS THAT THE NAM IS GENERATING EXCESSIVELY HIGH DEWPOINTS
AGAIN.

&&

.PREV DISCUSSION...
 /ISSUED 208 PM EDT SAT MAY 13 2006/

SHORT TERM /TONIGHT THROUGH SATURDAY/...
DEEP UPPER LOW OVER SW GREAT LAKES IS EXPECTED TO SLOWLY MOVE SE
OVERNIGHT. AN EMBEDDED SHORTWAVE WILL SWING SW TOWARD CWA THIS EVE
AND HAVE CHANCE POPS OVER MTNS...SLIGHT CHANCE ELSEWHERE UNTIL
MIDNIGHT...THEN CHANCE POPS ACROSS CWA. AS UPPER WAVE PUSHES THROUGH
ON SUN...A WEAK SURFACE BOUNDARY WILL TRAVERSE THE CWA...BRINGING
LIKELY POPS TO MOST OF THE AREA. AS SFC BOUNDARY MOVES E DURG THE
AFTN...DRYER AIR MOVES IN FROM THE SW AND HAVE BEGUN TO REDUCE POPS
FROM THE SW LATE SUN AFTN.

LONG TERM /SATURDAY NIGHT THROUGH SATURDAY/...
UNSETTLED WEATHER OVER THE REGION EXPECTED TO DOMINATE THE
EXTENDED...WITH MEDIUM RANGE ENSEMBLES DEPICTING THE UPPER CLOSED
LOW CURRENTLY OVER THE GREAT LAKES COMES CLOSE TO THE CWFA SUNDAY
NITE BEFORE BEGINNING A NORTHWARD RETREAT BY TUESDAY. MOISTURE
RATHER LIMITED SO PAINTED BEST CHANCES OF RAIN IN THE NORTH...CLOSE
TO THE EVENUTAL UPPER LOW TRACK...WITH LOWEST CHANCES SOUTH AND WEST.
UPPER LOW EXPECTED TO LIFT NORTH...JUST IN TIME FOR YET ANOTHER
UPPER TROF TO DEVELOP UPSTREAM AND KEEPING CWFA UNSETTLED. POPS
GENERALLY IN THE 30 TO 40 RANGE...WITH SOUTHWEST AREAS HAVING LOWST
CHANCES WITH HIGHEST NORTH AND WEST. TEMPERATURES NEAR OR SLIGHTLY
BELOW NORMAL EXPECTED. FRONT EXPECTED FOR FROPA WEDNESDAY
NITE...THEN AGAIN FOR LATE NEXT WEEK.

AVIATION...
GUSTY SW WINDS WILL CONTINUE UNTIL AROUND SS. COULD SEE ISOLD
CONVECTION LATE THIS AFTN BUT CHANCE TOO LOW TO INCLUDE IN TAFS
ATTM. MODELS DO SHOW WEAK INSTABILITY LATER SO HAVE INCLUDED VCSH
ALL SITES AFT 00Z. WITH UPPER WAVE FCST TO APPROACH...VCSH IS
CONTINUED ALL SITES. EXPECT A BROKEN BAND OF SHOWERS TO PUSH EAST
ACROSS THE WESTERN CAROLINAS SUNDAY MORNING WITH LOW CLOUD
CEILINGS...BUT CONDITIONS SHOULD REMAIN VFR. HAVE INCLUDED SCT020 TO
INDICATE SOME LOWER CLOUDS AROUND SUN AM.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...NONE.
SC...NONE.
&&

SHORT TERM...MCAVOY

Hazardous weather outlook, May 13, 5:45 AM EDT, 18 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
545 AM EDT SAT MAY 13 2006

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-140945-
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-
545 AM EDT SAT MAY 13 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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

HIGH ELEVATION MOUNTAIN TEMPERATURES ARE EXPECTED TO FALL INTO THE
LOW AND MID 30S MONDAY MORNING. ALSO...ISOLATED AREAS AROUND 5000
FEET MAY SEE A FEW PERIODS OF MIXED SNOW AND RAIN SHOWERS.
OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Local storm report, May 13, 9:25 PM EDT, 2 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
925 PM EDT SAT MAY 13 2006

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

0918 PM     HAIL             NEBO                    35.72N 81.93W
05/13/2006  E0.50 INCH       MCDOWELL           NC   FIRE DEPT/RESCUE

            HAIL WAS A LITTLE SMALLER THAN A PENNY.

&&

MCAVOY

Special weather statement, May 13, 9:34 PM EDT, 2 hours 39 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
934 PM EDT SAT MAY 13 2006

NCZ053-140200-
BUNCOMBE-
934 PM EDT SAT MAY 13 2006

...A STRONG THUNDERSTORM WAS AFFECTING BUNCOMBE COUNTY...

AT 928 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR BLACK MOUNTAIN...OR 12 MILES EAST OF
ASHEVILLE...MOVING EAST AT 15 MPH.

PEA SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM.

DICARLO

Local storm report, May 13, 10:17 PM EDT, 1 hour 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1017 PM EDT SAT MAY 13 2006

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

0949 PM     HAIL             CLARKESVILLE            34.61N 83.52W
05/13/2006  E0.75 INCH       HABERSHAM          GA   COUNTY OFFICIAL

&&

MCAVOY

Local storm report, May 13, 10:54 PM EDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1054 PM EDT SAT MAY 13 2006

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

1046 PM     HAIL             1 S ROBBINSVILLE        35.31N 83.81W
05/13/2006  E0.50 INCH       GRAHAM             NC   AMATEUR RADIO

&&

MCAVOY

Local storm report, May 13, 11:29 PM EDT, 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1129 PM EDT SAT MAY 13 2006

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

1124 PM     HAIL             POLKVILLE               35.42N 81.64W
05/13/2006  E0.25 INCH       CLEVELAND          NC   PUBLIC

&&

MCAVOY

Local storm report, May 13, 11:59 PM EDT, 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1159 PM EDT SAT MAY 13 2006

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

1149 PM     HAIL             3 NNE SHELBY            35.33N 81.52W
05/13/2006  E0.50 INCH       CLEVELAND          NC   COUNTY OFFICIAL

            OFFICER ENCOUNTERED MARBLE SIZED HAIL AT THE INTERSECTION
            OF HIGHWAY 18 AND 180.

&&

NED

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 8:48 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, McDowell	42 min
May 13, 8:52 PM EDT	Severe Thunderstorm Warning	GSP	Yancey	53 min
May 13, 9:21 PM EDT	Severe Thunderstorm Warning	GSP	Burke, McDowell	54 min
May 13, 10:11 PM EDT	Severe Thunderstorm Warning	GSP	Macon	50 min
May 13, 10:48 PM EDT	Severe Thunderstorm Warning	GSP	Graham	57 min
May 13, 10:48 PM EDT	Severe Thunderstorm Warning	GSP	Rutherford	57 min
May 13, 11:11 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	38 min
May 14, 12:28 AM EDT	Severe Thunderstorm Warning	GSP	Lincoln	28 min
May 14, 4:15 AM EDT	Lake Wind Advisory	GSP	Cabarrus, Gaston, Lincoln, Mecklenburg, Polk, Rutherford and 1 more	14 hr
May 14, 12:56 PM EDT	Severe Thunderstorm Warning	GSP	Burke, Catawba, Cleveland, Lincoln	64 min
May 14, 1:15 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	60 min
May 14, 1:51 PM EDT	Severe Thunderstorm Warning	GSP	Iredell, Mecklenburg	54 min
May 14, 2:03 PM EDT	Tornado Warning	GSP	Iredell, Mecklenburg	25 min
May 14, 2:11 PM EDT	Tornado Warning	GSP	Cabarrus, Rowan	49 min
May 14, 2:59 PM EDT	Tornado Warning	GSP	Rowan	19 min
May 14, 3:17 PM EDT	Severe Thunderstorm Warning	GSP	Iredell	23 min
May 14, 3:42 PM EDT	Severe Thunderstorm Warning	GSP	Burke	63 min
May 14, 4:10 PM EDT	Severe Thunderstorm Warning	GSP	Catawba	65 min
May 14, 4:27 PM EDT	Severe Thunderstorm Warning	GSP	Union	50 min
May 14, 12:05 PM EDT	Severe Thunderstorm Warning	GSP	Chester	40 min
May 14, 3:46 PM EDT	Severe Thunderstorm Warning	GSP	Chester	59 min
May 13, 9:43 PM EDT	Severe Thunderstorm Warning	GSP	Habersham	62 min
May 14, 4:22 AM EDT	Severe Thunderstorm Warning	GSP	Habersham	38 min
May 14, 4:50 AM EDT	Severe Thunderstorm Warning	GSP	Franklin	41 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.