Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 247, NWS Greenville-Spartanburg, SC

June 3, 2011Habersham County, Rabun County, Stephens County, Georgia; Oconee County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 3, 2011, 4:12 PM EDT for Habersham County, Rabun County, Stephens County, Georgia; Oconee County, South Carolina. It was in force for 63 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 3, 2011, 4:12 PM EDT (20:12 UTC)
Expired
Jun 3, 2011, 5:15 PM EDT
In force
63 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Habersham County, GA, Rabun County, GA, Stephens County, GA, Oconee County, SC

The radar

The Greer radar (KGSP), 107 km from the middle of the area, began a volume at 20:16 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.

What was reported inside it

TimeReportWhereRemark
Jun 3, 4:58 PM EDTTSTM WND DMG3 Ne Clarkesville, GATREES DOWN ON POWERLINES NEAR NEW LIBERTY ROAD AND OKELLY ROAD.
Jun 3, 5:00 PM EDTTSTM WND DMG2 Ne Clarkesville, GATREES DOWN ON POWERLINES NEAR FAITH LANE AND HOLLYWOOD HIGHWAY.
Jun 3, 5:10 PM EDTHAIL 11 Ne Clarkesville, GANEAR THE INTERSECTION OF NEW LIBERTY ROAD AND HOLLYWOOD HIGHWAY.
Jun 3, 5:15 PM EDTHAIL 1.75Clarkesville, GAHAIL SLIGHTLY LARGER THAN GOLF BALL BROKE CAR WINDSHIELD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 4 storm reports to this severe thunderstorm warning; the first came 46 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.2 hours before the alert went out and 190 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 12:00Z on 2011-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1879 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2011-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 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
1879 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
164 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.

564 
WUUS52 KGSP 032012
SVRGSP
GAC137-241-257-SCC073-032115-
/O.NEW.KGSP.SV.W.0247.110603T2012Z-110603T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
412 PM EDT FRI JUN 3 2011

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN STEPHENS COUNTY IN NORTHEAST GEORGIA...
  RABUN COUNTY IN NORTHEAST GEORGIA...
  EASTERN HABERSHAM COUNTY IN NORTHEAST GEORGIA...
  WEST CENTRAL OCONEE COUNTY IN UPSTATE SOUTH CAROLINA...

* UNTIL 515 PM EDT

* AT 407 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES
  SOUTHWEST OF TIGER...OR 6 MILES SOUTHWEST OF CLAYTON...MOVING
  SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LAKEMONT...
  LAKE RABUN...
  TALLULAH FALLS...TURNERVILLE AND LONG CREEK...
  HOLLYWOOD AND CLARKESVILLE...
  TOCCOA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR
LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY
RAIN CAN OCCUR WITH ANY THUNDERSTORM. SEEK SHELTER INDOORS AWAY FROM
WINDOWS AND DOORS 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 3499 8334 3462 8310 3452 8357 3492 8361
TIME...MOT...LOC 2011Z 326DEG 21KT 3480 8346

$$
ARK
1 follow-up statement
559 
WWUS52 KGSP 032044
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
444 PM EDT FRI JUN 3 2011

GAC137-241-257-SCC073-032115-
/O.CON.KGSP.SV.W.0247.000000T0000Z-110603T2115Z/
STEPHENS GA-RABUN GA-HABERSHAM GA-OCONEE SC-
444 PM EDT FRI JUN 3 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR WEST CENTRAL OCONEE...HABERSHAM...RABUN AND NORTHERN STEPHENS
COUNTIES...

AT 441 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR LAKE RABUN...OR 9 MILES SOUTH OF CLAYTON...MOVING
SOUTHEAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LONG
CREEK...TALLULAH FALLS...TURNERVILLE...HOLLYWOOD...CLARKESVILLE...
TOCCOA AND DEMOREST

LAT...LON 3499 8334 3462 8310 3452 8357 3492 8361
TIME...MOT...LOC 2044Z 336DEG 10KT 3474 8342

$$

ARK

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 3, 2:16 PM EDT, 1 hour 56 minutes earlier.

Area forecast discussion, Jun 3, 2:16 PM EDT, 1 hour 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
216 PM EDT FRI JUN 3 2011

.SYNOPSIS...
WEAK HIGH PRESSURE WILL MOVE ACROSS THE MID ATLANTIC REGION THROUGH
SATURDAY...BEFORE A FRONTAL BOUNDARY APPROACHES FROM THE NORTH ON
SUNDAY. WARM UPPER LEVEL RIDGING WILL REMAIN OVER THE AREA THROUGH
THE MIDDLE OF NEXT WEEK.

&&

.NEAR TERM /THROUGH SATURDAY/...
SFC BOUNDARY HAS MOVED SOUTH OF KAND...BUT MOISTURE POOLING ALONG IT
HAS HELPED TO CREATE CAPES IN THE 2000 TO 4000 J/KG RANGE OVER THE
SWRN NC MTNS AND UPPER SAVANNAH RIVER VALLEY. WATER VAPOR SHOWS THE
WAVE JUST TO OUR NORTH THAT THE GUIDANCE IS MOVING ACROSS THE AREA
THIS AFTERNOON AND EVENING. EVEN THO THERE IS A CU MINIMA ALONG AND
NORTH OF I-85 IN NE GA/UPSTATE...STILL EXPECT ENUF INSTABILITY AND
FORCING FOR SCT CONVECTION OVER THE SWRN NC MTNS AND UPPER SAVANNAH
RIVER VALLEY WITH SOME ISOLATED CONVECTION NORTH AND EAST OF THERE.
THAT SAID...SCT CONVECTION COULD BE LIMITED TO SOUTH OF I-85 WHERE
CURRENT CU GROWTH IS TAKING PLACE. SVR STORMS REMAIN LIKELY WITH ANY
STORMS THAT DO DEVELOP GIVEN THE STRONG INSTABILITY AND MID LEVEL
DRY AIR. IN FACT...EFFECTIVE BULK SHEAR NUMBERS ARE IN THE 20 KT
RANGE WHICH IS HIGHER THAN PREVIOUS DAYS AND COULD LEAD TO SOME
ORGANIZATION. CONVECTION SHOULD DIMINISH WITH LOSS OF HEATING
RESULTING IN MOSTLY CLEAR SKIES OVERNIGHT. THE NAM IS SUGGESTING LOW
STRATUS FORMS ALONG THE SRN CWFA BOUNDARY TOWARD MORNING. KEPT SKIES
THERE SCT FOR NOW. LOWS WILL BE A LITTLE BELOW NORMAL EAST IN THE
DRIER AIR MASS AND A LITTLE ABOVE WEST WHERE MOISTURE IS HIGHER.

ALTHOUGH NWLY FLOW ALOFT REMAINS OVER THE AREA SAT...THE CWFA WILL
BE IN NVA WITH NO REAL SHORT WAVE ACTIVITY MOVING TOWARD THE AREA.
LINGERING MOISTURE OVER THE MTNS WILL LEAD TO WEAK INSTABILITY...
BUT REST OF THE AREA WILL BE CAPPED WITH DRIER AIR. EVEN THOUGH
DIFFERENTIAL HEATING COULD LEAD TO ISOLATED CONVECTION OVER THE SWRN
NC MTNS...WILL KEEP THE FCST DRY FOR NOW. ALTHOUGH TEMPS WILL BE
COOLER...THEY WILL STILL END UP AROUND 10 DEGREES ABOVE NORMAL.

&&

.SHORT TERM /SATURDAY NIGHT THROUGH MONDAY NIGHT/...
AT 2 PM EDT FRIDAY...HEIGHTS WILL FALL SATURDAY NIGHT AND SUNDAY AS
THE UPPER RIDGE CENTERED OVER THE LOWER MS RIVER VALLEY RETROGRADES
TO THE SOUTHERN PLAINS. THE RIDGE CENTER THEN PROGRESSES TO RETURN
TO THE LOWER MS RIVER VALLEY ON MONDAY. OUR AREA WILL REMAIN ON THE
WARM SIDE OF SURFACE FRONT TO THE NORTHEAST SATURDAY NIGHT. THE COLD
FRONT THEN DROPS SOUTH ACROSS OUR AREA ON SUNDAY MOVING WELL INTO GA
ON MONDAY. TEMPERATURES WILL REMAIN ABOVE NORMAL BOTH SUNDAY AND
MONDAY...AS HEIGHTS ALOFT WILL STILL BE RATHER HIGH ON THE WEST SIDE
OF AN ATLANTIC UPPER TROUGH. LOW POPS WILL BE CARRIED FROM SATURDAY
NIGHT THROUGH SUNDAY NIGHT...PEAKING ON SUNDAY...AS THE BACK DOOR
COLD FRONT MOVES THROUGH AND AN UPPER LEVEL IMPULSE CROSSES CENTRAL
AND EASTERN NC. POPS DECREASE MONDAY AS THE FRONT MOVES FARTHER
SOUTH.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
AT 2 PM EDT FRIDAY...AN UPPER RIDGE AXIS WILL MOVE FROM THE PLAINS
ON TUESDAY...TO THE OH AND TN VALLEYS BY LATE IN THE WEAK...WHILE
THE RIDGE FLATTENS. ON TUESDAY A COLD FRONT WILL CLIP WESTERN
NC...BEFORE RETURNING NORTH AS A WARM FRONT ON WEDNESDAY. ON
THURSDAY AND FRIDAY OUR AREA IS IN THE WARM SECTOR...TO THE SOUTH OF
A FRONT IN THE NORTHERN TIER OF STATES. VERY SMALL POPS WILL BE
CARRIED THROUGH THE PACKAGE...AS A MOIST UNSTABLE AIR MASS WILL BE
IN PLACE...BUT WITHOUT MUCH OF A FOCUSING MECHANISM FOR HIGHER POPS.
TEMPERATURES WILL RUN SEVERAL CATEGORIES ABOVE NORMAL UNDER THE
UPPER RIDGE.

&&

.AVIATION /18Z FRIDAY THROUGH WEDNESDAY/...
AT KCLT...DRIER AIR MASS HAS WORKED IN BEHIND THE SWD MOVING SFC
BOUNDARY. EXPECT FEW CU AND BKN CI INTO EARLY EVENING WITH NELY
WINDS. WINDS BECOME LIGHT SE BY LATE EVENING WITH FEW CI. GUIDANCE
SHOWS LOW STRATUS DEVELOPING SOUTH OF THE AREA BY MORNING. EXPECT
THESE CLOUDS WILL MOVE TOWARD KCLT...BUT SHOULD STOP SHORT. THAT
SAID...IF THEN CAN MAKE IT FAR ENUF NORTH THEN LOW MVFR/IFR CIGS
COULD MOVE IN/DEVELOP NEAR DAYBREAK. EXPECT SLY WINDS WITH CI CLOUDS
FOR MUCH OF THE DAY SAT.

ELSEWHERE...SFC BOUNDARY IS SOUTH OF KAND...BUT MOISTURE POOLING
ALONG IT IS LEADING TO DEVELOPING CU ACROSS THE SC/NE GA. LINGERING
MOISTURE AND HEATING LEADING TO CU OVER THE MTNS. KAND HAS THE BEST
CHC OF SEEING ANY CONVECTION THIS AFTERNOON GIVEN THEIR PROXIMITY TO
THE FRONT. HAVE GONE BKN CU AND CB MENTION THERE. E TO NE WINDS WILL
CONTINUE THRU THE AFTERNOON...KAVL THE EXCEPTION WITH SLY WIND.
SKIES CLEAR AND LIGHT AND VARIABLE WINDS DEVELOP OVERNIGHT. KAVL
SHUD SEE MVFR FOG TOWARD MORNING...WITH MVFR POSSIBLE KAND. ANY
DEVELOPING LOW STRATUS SHOULD REMAIN SOUTH AND EAST OF THE SC SITES.
MOSTLY CLEAR SKIES AND SLY WIND EXPECTED SAT.

OUTLOOK...ISOLD AFTN/EVE TSTMS POSSIBLE EACH DAY...WITH EARLY
MORNING MTN VALLEY FOG LIKELY.

&&

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

&&

SYNOPSIS...SBK
NEAR TERM...RWH
SHORT TERM...JAT
LONG TERM...JAT
AVIATION...RWH
Hazardous weather outlook, Jun 3, 3:26 PM EDT, 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
326 PM EDT FRI JUN 3 2011

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>065-505-507-
509-SCZ001>006-010>012-019-041930-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-MCDOWELL MOUNTAINS-
RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-ANDERSON-ABBEVILLE-LAURENS-
GREENWOOD-
326 PM EDT FRI JUN 3 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED THUNDERSTORMS WILL DEVELOP ACROSS NORTHEAST
GEORGIA...THE WESTERN HALF OF UPSTATE SOUTH CAROLINA...AND THE
SOUTHERN MOUNTAINS OF NORTH CAROLINA LATE THIS AFTERNOON. A FEW OF
THESE STORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS AND
LARGE HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

NCZ035>037-056-057-068>072-082-501>504-506-508-510-SCZ007>009-013-
014-041930-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-CLEVELAND-LINCOLN-GASTON-
MECKLENBURG-CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL-
BURKE MOUNTAINS-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD-
EASTERN POLK-SPARTANBURG-CHEROKEE-YORK-UNION SC-CHESTER-
326 PM EDT FRI JUN 3 2011

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

NONE.

HG

In the hours before

Local storm report, Jun 3, 10:42 AM EDT, 5 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1042 AM EDT FRI JUN 03 2011

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

0605 PM     HAIL             3 WSW CASAR             35.50N 81.66W
06/02/2011  E0.75 INCH       CLEVELAND          NC   TRAINED SPOTTER

&&

LG
Local storm report, Jun 3, 11:07 AM EDT, 5 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1107 AM EDT FRI JUN 03 2011

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

0500 PM     HAIL             4 ENE CRUSO             35.44N 82.74W
06/02/2011  E1.00 INCH       BUNCOMBE           NC   COUNTY OFFICIAL

&&

LG
Local storm report, Jun 3, 11:50 AM EDT, 4 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1150 AM EDT FRI JUN 03 2011

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

0430 PM     HAIL             4 ENE MAULDIN           34.80N 82.23W
06/02/2011  E0.88 INCH       GREENVILLE         SC   TRAINED SPOTTER

&&

LG
Local storm report, Jun 3, 12:51 PM EDT, 3 hours 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1251 PM EDT FRI JUN 03 2011

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

0433 PM     HAIL             BREVARD                 35.24N 82.73W
06/02/2011  E0.50 INCH       TRANSYLVANIA       NC   FIRE DEPT/RESCUE

&&

LG
Local storm report, Jun 3, 2:31 PM EDT, 1 hour 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
231 PM EDT FRI JUN 03 2011

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

0410 PM     HAIL             1 NW ETOWAH             35.33N 82.61W
06/02/2011  E1.00 INCH       HENDERSON          NC   PUBLIC

&&

KRENTZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 3, 5:06 PM EDTSevere Thunderstorm WarningGSPFranklin, Habersham, Stephens54 min
Jun 2, 8:37 PM EDTSpecial Weather StatementGSPGreenville38 min
Jun 3, 12:43 AM EDTSpecial Weather StatementGSPUnion32 min
Jun 3, 12:57 AM EDTSevere Thunderstorm WarningGSPUnion48 min
Jun 3, 1:48 AM EDTSpecial Weather StatementGSPUnion27 min
Jun 3, 2:33 AM EDTSpecial Weather StatementGSPUnion27 min
Jun 3, 3:38 AM EDTSpecial Weather StatementGSPUnion37 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2011Severe Thunderstorm Warnings in South Carolina, 2011Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.