Alert archive / North Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 354, NWS Greenville-Spartanburg, SC

June 11, 2011Catawba County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 11, 2011, 7:07 PM EDT for Catawba County, North Carolina. It was in force for 53 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 11, 2011, 7:07 PM EDT (23:07 UTC)
Expired: Jun 11, 2011, 8:00 PM EDT
In force: 53 min
Issued by: NWS Greenville-Spartanburg, SC
Area: Storm-based polygon

County Catawba County, NC

The radar

The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 23:09 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, 11.1 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: 574 J/kg
Mixed-layer CIN: -118 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 30 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 11, 7:04 PM EDT, 3 minutes earlier.

Area forecast discussion, Jun 11, 7:04 PM EDT, 3 minutes before

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Hazardous weather outlook, Jun 11, 2:32 PM EDT, 4 hours 35 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
232 PM EDT SAT JUN 11 2011

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-121845-
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-
232 PM EDT SAT JUN 11 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE THROUGH THIS EVENING.
A FEW OF THESE THUNDERSTORMS WILL LIKELY BECOME SEVERE...PRODUCING
DAMAGING WINDS AND HAIL AS LARGE AS QUARTERS. THE STORMS WILL MOVE
VERY SLOWLY AND LOCALIZED FLOODING MAY RESULT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

A COLD FRONT WILL MOVE INTO THE REGION FROM THE NORTHWEST ON
SUNDAY. SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED AHEAD OF
THE COLD FRONT...WITH SEVERAL STORMS LIKELY BECOMING SEVERE.
DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL WILL BE THE MAIN
CONCERNS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTERS ARE REQUESTED TO FORWARD ANY REPORTS OF LARGE
HAIL...DAMAGING WINDS...OR FLASH FLOODING TO OUR OFFICE.

In the hours before

Local storm report, Jun 11, 4:30 PM EDT, 2 hours 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
430 PM EDT SAT JUN 11 2011

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

0225 PM     TSTM WND DMG     CONCORD                 35.41N 80.59W
06/11/2011                   CABARRUS           NC   911 CALL CENTER

            THREE TREES DOWN IN CONCORD AREA. HAIL OF UNKNOWN SIZE
            ALONG I-85.

&&

MOORE

Local storm report, Jun 11, 6:16 PM EDT, 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
616 PM EDT SAT JUN 11 2011

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

0540 PM     HAIL             3 W FORK SHOALS         34.62N 82.36W
06/11/2011  E0.88 INCH       GREENVILLE         SC   TRAINED SPOTTER

&&

BSH

Local storm report, Jun 11, 6:17 PM EDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
617 PM EDT SAT JUN 11 2011

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

0615 PM     HAIL             7 SSE GREER             34.85N 82.18W
06/11/2011  E0.88 INCH       SPARTANBURG        SC   PUBLIC

&&

07

Special weather statement, Jun 11, 6:36 PM EDT, 31 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
636 PM EDT SAT JUN 11 2011

NCZ052-112315-
HAYWOOD-
636 PM EDT SAT JUN 11 2011

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL HAYWOOD COUNTY THROUGH
715 PM EDT...

AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES NORTHWEST OF COVE CREEK...OR 11 MILES
NORTH OF WAYNESVILLE...MOVING SOUTHEAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  LAKE JUNALUSKA...
  WAYNESVILLE...

DIME SIZE HAIL...AND WIND GUSTS UP TO 40 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.

LAT...LON 3566 8287 3561 8285 3563 8282 3562 8281
      3561 8281 3545 8296 3561 8315 3573 8302

BSH

Special weather statement, Jun 11, 6:43 PM EDT, 24 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
643 PM EDT SAT JUN 11 2011

NCZ071-112315-
MECKLENBURG-
643 PM EDT SAT JUN 11 2011

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MECKLENBURG COUNTY
THROUGH 715 PM EDT...

AT 639 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SOUTHPARK MALL...OR 7 MILES SOUTH OF CENTER
CITY CHARLOTTE...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  MATTHEWS...
  EASTLAND MALL...

PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS
STORM.

HEAVY RAINS MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. WATER
LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK
HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LAT...LON 3527 8075 3517 8061 3507 8080 3516 8087

BSH

Local storm report, Jun 11, 7:04 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
704 PM EDT SAT JUN 11 2011

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

0630 PM     TSTM WND DMG     6 NE SIMPSONVILLE       34.79N 82.18W
06/11/2011                   GREENVILLE         SC   PUBLIC

            TWO TREES AND SOME OTHER LARGE LIMBS DOWN ON ROPER
            MOUNTAIN ROAD NEAR ANDERSON RIDGE ROAD IN THE FIVE FORKS
            AREA.

&&

BSH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 8:53 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	41 min
Jun 10, 9:57 PM EDT	Severe Thunderstorm Warning	GSP	Union	63 min
Jun 11, 12:50 PM EDT	Special Weather Statement	GSP	McDowell	40 min
Jun 11, 2:11 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	64 min
Jun 11, 2:27 PM EDT	Special Weather Statement	GSP	Rowan	48 min
Jun 11, 2:45 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Rowan	60 min
Jun 11, 3:00 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus, Mecklenburg	45 min
Jun 11, 3:25 PM EDT	Severe Thunderstorm Warning	GSP	Rowan	65 min
Jun 11, 3:38 PM EDT	Severe Thunderstorm Warning	GSP	Buncombe, Haywood, Henderson, Transylvania	67 min
Jun 11, 3:44 PM EDT	Severe Thunderstorm Warning	GSP	Henderson, Polk	61 min
Jun 11, 3:50 PM EDT	Areal Flood Advisory	GSP	Cabarrus	3 hr
Jun 11, 5:48 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Burke, Caldwell, Catawba	57 min
Jun 11, 6:23 PM EDT	Areal Flood Advisory	GSP	Mecklenburg, Union	3 hr
Jun 11, 6:23 PM EDT	Severe Thunderstorm Warning	GSP	Transylvania	32 min
Jun 11, 6:36 PM EDT	Special Weather Statement	GSP	Haywood	39 min
Jun 11, 6:43 PM EDT	Special Weather Statement	GSP	Mecklenburg	32 min
Jun 11, 6:53 PM EDT	Severe Thunderstorm Warning	GSP	Alexander, Iredell	67 min
Jun 11, 7:17 PM EDT	Special Weather Statement	GSP	Swain	28 min
Jun 11, 7:51 PM EDT	Severe Thunderstorm Warning	GSP	Cleveland	54 min
Jun 11, 7:55 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Iredell, Lincoln	65 min
Jun 10, 8:00 PM EDT	Severe Thunderstorm Warning	GSP	Laurens	60 min
Jun 11, 12:12 AM EDT	Special Weather Statement	GSP	Abbeville	48 min
Jun 11, 12:35 AM EDT	Special Weather Statement	GSP	Spartanburg	40 min
Jun 11, 3:06 AM EDT	Special Weather Statement	GSP	Oconee	24 min
Jun 11, 2:18 PM EDT	Special Weather Statement	GSP	Oconee	42 min
Jun 11, 3:05 PM EDT	Severe Thunderstorm Warning	GSP	Oconee	55 min
Jun 11, 6:24 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Laurens, Spartanburg	66 min
Jun 11, 6:35 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Oconee	55 min
Jun 11, 6:49 PM EDT	Severe Thunderstorm Warning	GSP	Anderson, Greenville, Pickens	56 min
Jun 11, 7:06 PM EDT	Severe Thunderstorm Warning	GSP	Greenville, Spartanburg	54 min
Jun 11, 4:16 PM EDT	Severe Thunderstorm Warning	GSP	Habersham, Rabun	59 min
Jun 11, 6:22 PM EDT	Severe Thunderstorm Warning	GSP	Franklin	68 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2011 Every severe thunderstorm warning in 2011

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.