Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 331, NWS Greenville-Spartanburg, SC

June 22, 2006Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 22, 2006, 4:53 PM EDT for Catawba County, North Carolina. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 22, 2006, 4:53 PM EDT (20:53 UTC)
Expired: Jun 22, 2006, 6:00 PM EDT
In force: 67 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), 113 km from the middle of the area, began a volume at 20:54 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.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 17 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.9 hours before the alert went out and 142 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: 861 J/kg
Mixed-layer CIN: -178 J/kg
Mixed-layer LCL: 1479 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 11 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KGSP 222053
SVRGSP
NCC035-222200-
/O.NEW.KGSP.SV.W.0331.060622T2053Z-060622T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
453 PM EDT THU JUN 22 2006

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN CATAWBA COUNTY IN THE PIEDMONT OF NORTH CAROLINA

* UNTIL 600 PM EDT

* AT 446 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED OVER   
  8 MILES SOUTHWEST OF HICKORY...AND MOVING SOUTH AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL SOUTHWESTERN CATAWBA COUNTY AT 510 PM EDT

THIS SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED BECAUSE BRIEF
PERIODS OF DAMAGING WINDS AND/OR LARGE HAIL ARE EXPECTED OVER SMALL
AREAS. THIS SEVERE THUNDERSTORM WAS ALSO CAUSING INTENSE LIGHTNING
AND TORRENTIAL RAINFALL. SEEK SHELTER INDOORS UNTIL THE STORM PASSES.

TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR
AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER...1 8 7 7 6 3
3 6 7 7 2.

LAT...LON 3567 8133 3567 8144 3556 8148 3556 8127

$$
LANE

1 follow-up statement

000 
WWUS52 KGSP 222152
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
551 PM EDT THU JUN 22 2006

NCC035-222201-
/O.EXP.KGSP.SV.W.0331.000000T0000Z-060622T2200Z/
CATAWBA NC-
551 PM EDT THU JUN 22 2006

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN CATAWBA COUNTY
WILL EXPIRE AT 600 PM EDT...

THE STORM HAS MOVED OUT OF THE COUNTY. 

LAT...LON 3567 8133 3567 8144 3556 8148 3556 8127

$$
LANE

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 22, 3:11 PM EDT, 1 hour 42 minutes earlier.

Area forecast discussion, Jun 22, 3:11 PM EDT, 1 hour 42 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
311 PM EDT THU JUN 22 2006

.SHORT TERM /TONIGHT THROUGH FRIDAY/...
EVEN WITH UPPER RIDGE CENTERED RIGHT OVER THE CWFA...MID LEVEL TEMPS
NOT AS WARM AS WEDNESDAY. DEW POINTS MIXED OUT AS WELL...BUT NOT AS
MUCH AS WEDNESDAY. COMBINED WITH THE VERY WARM SURFACE TEMPS...
ATMOSPHERE BECAME MODERATELY UNSTABLE WITH NO CAP. BEST CHANCE FOR
SCATTERED CONVECTION THROUGH THE EVENING REMAINS THE MOUNTAINS AND
NC FOOTHILLS. ISOLATED CONVECTION ELSEWHERE...BUT LEAST LIKELY OVER
THE SOUTH. EVEN WITH THE HIGH FREEZING LEVEL AND LIGHT WIND...SEVERE
THUNDERSTORMS WILL CONTINUE UNTIL LOSS OF HEATING. STORMS SHOULD
DIMINISH OVERNIGHT. VERY WARM NIGHT TONIGHT WITH CONVECTIVE DEBRIS
AND RECOVERING DEW POINTS.

UPPER RIDGE BREAKS FRIDAY AS SHORT WAVES MOVE TOWARD THE AREA.
ALTHOUGH TEMPS NOT AS WARM AS TODAY...ATMOSPHERE WILL CONTINUE TO
MOISTEN. SCATTERED THUNDERSTORMS EXPECTED TO DEVELOP AGAIN FRIDAY
AFTERNOON. LIKE TODAY...BETTER COVERAGE OVER THE MOUNTAINS WITH LESS
CHANCE OVER THE SOUTHERN TIER. CANNOT RULE OUT ANOTHER ROUND OF
SEVERE WEATHER.

&&

.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
THE LATTER PERIODS OF THE FORECAST WILL BE LARGELY DEPENDENT ON AN
APPROACHING SURFACE BOUNDARY...AND THAT FEATURE IS EXPECTED TO
REMAIN IN OUR VICINITY FOR SEVERAL DAYS. WE WILL FEATURE A CHANCE
OF SHWOERS AND THUNDERSTORMS THROUGH ALMOST THE ENTIRE FRIDAY
NIGHT THROUGH THURSDAY PERIOD. THOSE CHANCES OF RAIN WILL LIKELY
BE ENHANCED SOMEWHAT BY A PERSISTENT SOUTHERLY TO SOUTHEAST LOW
LEVEL FLOW OF TROPICAL MOISTURE INTO THE AREA. WE WILL FEATURE
BEST CHANCES OF RAIN...INTO THE LIKELY CATEGORY...FOR FAVORED
SOUTHEAST-FACING SLOPES SATURDAY AND SUNDAY...WITH CHANCES VARYING
BY A FEW PERCENTAGE POINTS ALL OTHER LOCATIONS IN THE OTHER
PERIODS. STILL SOME UNCERTAINTY REGARDING TIMING AND STRENGTH OF
ANY UPPER VORTS THAT MAY AFFECT US AS THE EASTERN RIDGE BREAKS
DOWN AND SOME SEMBLENCE OF TROFINESS DEVELOPS OVER PART OF THE
SOUTHEAST STATES. TEMPERATURES WILL COOL INTO THE 70S AND 80S WITH THE
FRONT IN OUR AREA. BY THURSDAY...THE FRONT IS EXPECTED TO BEGIN
BREAKING UP OVER OUR FOOTHILLS.

&&

.AVIATION...
SCATTERED CONVECTION OVER THE MOUNTAINS WILL AFFECT KAVL AND
POSSIBLY KHKY UNTIL THE EVENING. THE STORMS COULD DRIFT SOUTH TO THE
SC SITES BEFORE DISSIPATION. LEAST LIKELY TO AFFECT KCLT. ALREADY
HAD SHORT TEMPO FOR TS KAVL WITH CB ELSEWHERE. WILL MONITOR CLOSELY
FOR AMENDMENTS. UNLESS A STORM MOVES OVER A TAF SITE...VFR IS
EXPECTED THROUGH THE EVENING. MVFR FOG LIKELY AT KAVL BY SUNRISE.
HAVE SHORT TEMPO FOR MVFR HAZE SC SITES WITH UPPER RIDGE IN PLACE...
MOIST ATMOSPHERE AND LIGHT WINDS. SCATTERED THUNDERSTORMS EXPECTED
AGAIN FRIDAY AFTERNOON...BUT WILL WAIT UNTIL 00Z OR LATER TAFS TO
ADDRESS THOSE STORMS.

&&

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

SHORT TERM...RWH
LONG TERM...SAB
AVIATION...RWH

Hazardous weather outlook, Jun 22, 5:30 AM EDT, 11 hours 23 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
530 AM EDT THU JUN 22 2006

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-230930-
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-
530 AM EDT THU JUN 22 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

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS COULD DEVELOP
OVER THE MOUNTAINS AND FOOTHILLS THIS AFTERNOON. OTHERWISE...NO HAZARDOUS
WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

SCATTERED THUNDERSTORMS COULD DEVELOP EACH DAY DURING THE
AFTERNOON AND EVENING. 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, Jun 22, 1:54 PM EDT, 2 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
154 PM EDT THU JUN 22 2006

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

0150 PM     HAIL             2 SW WAYNESVILLE        35.46N 83.02W
06/22/2006  M0.88 INCH       HAYWOOD            NC   TRAINED SPOTTER

            HAIL AS LARGE AS NICKELS FALLING IN THE ALLENS CREEK
            AREA...JUST SOUTHWEST OF WAYNESVILLE.

&&

44

Local storm report, Jun 22, 4:17 PM EDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
417 PM EDT THU JUN 22 2006

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

0410 PM     HAIL             12 SE LENOIR            35.78N 81.38W
06/22/2006  E0.75 INCH       CALDWELL           NC   AMATEUR RADIO

            REPORTED ALONG GRACE CHAPEL ROAD...BETWEEN GRANITE FALLS
            AND GRACE CHAPEL.

&&

BSH

Local storm report, Jun 22, 4:22 PM EDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
422 PM EDT THU JUN 22 2006

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

0335 PM     TSTM WND DMG     3 NE BREVARD            35.27N 82.69W
06/22/2006                   TRANSYLVANIA       NC   COUNTY OFFICIAL

            POWER OUTAGES REPORTED IN THE PISGAH FOREST AREA FROM A
            POWER LINE DOWN AT THE INTERSECTION OF ECUSTA ROAD AND
            MORRIS ROAD.

&&

BSH

Local storm report, Jun 22, 4:26 PM EDT, 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
426 PM EDT THU JUN 22 2006

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

0340 PM     TSTM WND DMG     LAKE LURE               35.44N 82.21W
06/22/2006                   RUTHERFORD         NC   COUNTY OFFICIAL

            COUNTY COMMS REPORTS TREES DOWN IN THE LAKE LURE AREA.

&&

BSH

Special weather statement, Jun 22, 4:36 PM EDT, 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
436 PM EDT THU JUN 22 2006

NCZ504-222130-
GREATER BURKE-
436 PM EDT THU JUN 22 2006

...STRONG THUNDERSTORM AFFECTING EASTERN BURKE COUNTY...

AT 433 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR VALDESE...OR 10 MILES SOUTHEAST OF
MORGANTON. THIS STORM WAS NEARLY STATIONARY.

MOTHBALL SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS
STORM.

INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY
AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF
POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID
USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY
ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES.

LANE

Local storm report, Jun 22, 4:48 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
448 PM EDT THU JUN 22 2006

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

0425 PM     TSTM WND DMG     4 SW PICKENS            34.84N 82.76W
06/22/2006                   PICKENS            SC   COUNTY OFFICIAL

            ONE TREE REPORTED DOWN NEAR MCCULLOM ROAD AND RIGGINS
            ROAD.

&&

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 1:12 PM EDT	Severe Thunderstorm Warning	GSP	Haywood, Transylvania	63 min
Jun 22, 2:35 PM EDT	Severe Thunderstorm Warning	GSP	McDowell, Yancey	55 min
Jun 22, 2:51 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	54 min
Jun 22, 3:10 PM EDT	Severe Thunderstorm Warning	GSP	Alexander	65 min
Jun 22, 3:32 PM EDT	Severe Thunderstorm Warning	GSP	Rutherford	58 min
Jun 22, 4:03 PM EDT	Severe Thunderstorm Warning	GSP	Caldwell	57 min
Jun 22, 4:39 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	66 min
Jun 22, 4:46 PM EDT	Severe Thunderstorm Warning	GSP	Rutherford	59 min
Jun 22, 5:16 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	57 min
Jun 22, 5:26 PM EDT	Severe Thunderstorm Warning	GSP	Macon	45 min
Jun 22, 5:40 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	48 min
Jun 22, 5:59 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	31 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.