Alert archive / South Carolina / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 21, NWS Greenville-Spartanburg, SC

April 10, 2009Anderson County, Greenville County, South Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Apr 10, 2009, 1:08 PM EDT for Anderson County, Greenville County, South Carolina. It was in force for 37 min. 3 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
Apr 10, 2009, 1:08 PM EDT (17:08 UTC)
Expired
Apr 10, 2009, 1:45 PM EDT
In force
37 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Anderson County, SC, Greenville County, SC

The radar

The Greer radar (KGSP), 38 km from the middle of the area, began a volume at 17:08 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
Apr 10, 1:08 PM EDTHAIL 0.754 Nw Anderson, SCSPOTTER REPORTS 3/4 INCH HAIL ABOUT 3 MILES NORTH OF THE ANDERSON COUNTY AIRPORT.
Apr 10, 1:15 PM EDTHAIL 0.755 Nw Anderson, SCSPOTTER REPORTS 3/4 INCH HAIL ON CLEMSON BLVD...ABOUT 1 MILE SOUTH OF I-85.
Apr 10, 1:23 PM EDTHAIL 0.88Pelzer, SC

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

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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, 5.1 hours before the alert went out and 231 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 2009-04-10Temperature 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°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 2009-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 256 square meters per square second.19395878Sfc1 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
671 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
256 m²/s²
0-3 km storm-relative helicity
292 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 101708
SVRGSP
SCC007-045-101745-
/O.NEW.KGSP.SV.W.0021.090410T1708Z-090410T1745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
108 PM EDT FRI APR 10 2009

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA
  SOUTHERN GREENVILLE COUNTY IN UPSTATE SOUTH CAROLINA

* UNTIL 145 PM EDT

* AT 105 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES WEST OF ANDERSON...AND WAS MOVING
  NORTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ANDERSON BY 115 PM EDT...
  BELTON BY 125 PM EDT...
  WILLIAMSTON BY 130 PM EDT...
  PELZER BY 135 PM EDT...
  PIEDMONT BY 140 PM EDT...
  
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 3483 8229 3455 8231 3445 8280 3453 8287
TIME...MOT...LOC 1705Z 244DEG 34KT 3451 8277

$$
LANE
1 follow-up statement
000 
WWUS52 KGSP 101732
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
132 PM EDT FRI APR 10 2009

SCC007-101741-
/O.CAN.KGSP.SV.W.0021.000000T0000Z-090410T1745Z/
ANDERSON SC-
132 PM EDT FRI APR 10 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN ANDERSON COUNTY IS
CANCELLED...

LAT...LON 3455 8231 3461 8244 3469 8247 3472 8246
      3483 8229
TIME...MOT...LOC 1731Z 242DEG 40KT 3465 8244

$$

SCC045-101745-
/O.CON.KGSP.SV.W.0021.000000T0000Z-090410T1745Z/
GREENVILLE SC-
132 PM EDT FRI APR 10 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM EDT
FOR SOUTH CENTRAL GREENVILLE COUNTY...

AT 131 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED 8 MILES WEST OF FORK SHOALS...OR ABOUT 13
MILES SOUTH OF GREENVILLE...MOVING NORTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  DONALDSON CENTER AND FORK SHOALS BY 140 PM EDT...
  MAULDIN BY 145 PM EDT...

ALTHOUGH LARGE HAIL TO THE SIZE OF PENNIES IS THE MAIN THREAT WITH 
THIS STORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR.

LAT...LON 3455 8231 3461 8244 3469 8247 3472 8246
      3483 8229
TIME...MOT...LOC 1731Z 242DEG 40KT 3465 8244

$$
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 Apr 10, 11:14 AM EDT, 1 hour 54 minutes earlier.

Area forecast discussion, Apr 10, 11:14 AM EDT, 1 hour 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1114 AM EDT FRI APR 10 2009

.SYNOPSIS...
LOW PRESSURE WILL PASS TO OUR NORTH LATE TODAY WITH ITS ASSOCIATED
COLD FRONT CROSSING FROM WEST TO EAST ACROSS OUR AREA.  THIS FRONT
WILL REACH THE CAROLINA COAST SATURDAY MORNING WITH COOL HIGH
PRESSURE RIDGING DOWN FROM CANADA INTO SUNDAY.  ANOTHER LOW WILL
MOVE NORTHEAST FROM TEXAS EARLY IN THE WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
WATER VAPOR IMAGERY SHOWS A DEEP VORTEX OVER THE MID MS RIVER VALLEY
LATE THIS MORNING...AND THE LATEST SHORT RANGE GUIDANCE IS PRODUCING
A DEEPER AND MORE SOUTHERLY TRACK OF THE SYSTEM INTO THE
APPALACHIANS THIS EVENING. WIDESPREAD CONVECTION IS ALREADY IN PLACE
ACROSS FOOTHILL SECTIONS OF THE FORECAST AREA PRESENTLY...AND
ADDITIONAL CELLULAR DEVELOPMENT IS EXPECTED TO THE SW IN THE BETTER
INSTABILITY AND UPPER FORCING WITH THE JET STREAM. CATEGORICAL POPS
WILL CONTINUE TO BE FEATURED THIS AFTERNOON FOR MOUNTAIN AND
FOOTHILL LOCATIONS...WHILE POPS WILL BE LOWERED TO LIKELY EAST OF
INTERSTATE 77 WHERE DRIER AIR IS IN PLACE.

COOLER 500 MB TEMPS WILL SPREAD ACROSS THE FORECAST AREA FROM THE
WEST EARLY THIS AFTERNOON AND SHEAR WILL STEADILY INCREASE TO
ENHANCE THE SEVERE THUNDERSTORM THREAT. A MODERATE RISK OF SEVERE
TSTMS REMAINS IN PLACE OVER THE SW HALF OF THE CWFA...AND THIS RISK
LOOKS EVEN BETTER GIVEN THE ANTICIPATED BACKING OF THE 850 MB FLOW
STARTING AROUND 20Z THIS AFTERNOON. WILL CONTINUE TO ADVERTISE WIND
AND HAIL THREATS...WITH TORNADOES POSSIBLE...WITH THE HWO. A WATCH
IS ANTICIPATED LATER THIS AFTERNOON.

THE CONVECTION WILL END RAPIDLY FROM THE WEST WITH THE PASSAGE OF
THE TRAILING COLD FRONT SHORTLY AFTER MIDNIGHT. UPSLOPE FLOW
MOISTURE MAY KEEP SHOWERS GOING ALONG THE SPINE OF THE NC MTNS
OVERNIGHT.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY/...
AS OF 235 AM FRIDAY...GFS AND NAM INDICATE THAT THE SFC COLD FRONT
WILL PUSH EAST OF THE CWA BETWEEN 12-15Z SAT. NORTHWEST WINDS BEHIND
THE FRONT WILL LIFT REMAINING WRAP AROUND MOISTURE ACROSS THE NC
MTNS. LLVL LIFT/MOISTURE COMBINED WITH UPPER LEVEL SUPPORT MAY
RESULT IN CHC POPS ACROSS THE NC MTNS...ESPECIALLY DURING THE
MORNING. EAST OF THE MTNS...CONDITIONS WILL REMAIN
DRY...GUSTY...WITH SEASONABLE TEMPERATURES.

DRY HIGH PRESSURE WILL BUILD OVER THE REGION SATURDAY NIGHT INTO
SUNDAY. AS THE HIGH APPROACHES...SKY COVER AND WINDS WILL DECREASE
ACROSS THE CWA. LOW AND HIGH TEMPERATURES ON SUNDAY SHOULD REMAIN
WITHIN A COUPLE OF DEGREES OF NORMAL.

&&

.LONG TERM /SUNDAY NIGHT THROUGH THURSDAY/...
AS OF 255 AM FRIDAY...GFS AND ECMWF BOTH SHOW ANOTHER CLOSED MID LOW
ACROSS THE PLAINS SUNDAY NIGHT. AT THE SURFACE...A WARM FRONT
ASSOCIATED WITH THE LOW PRESSURE SYSTEM WILL REACH THE WESTERN CWA
AROUND SUNRISE MON. ISENTROPIC LIFT AND INCREASING JET DIVERGENCE WILL
SPREAD SHOWERS ACROSS THE CWA THROUGH THE DAY. NEAR ZERO LI VALUES
MAY REACH THE NC MTNS DURING THE AFTERNOON...IN ADDITION...SYNOPTIC
FORCING WILL LIKELY DEEPEN LIFT INTO THE EARLY EVENING. LIGHT TO
MODERATE RAIN SHOULD RESULT IN 1-2 INCHES ACROSS THE UPPER SAVANNAH
RIVER VALLEY AND EXTREME WESTERN NC...TO AROUND A HALF INCH ALONG
AND EAST OF I-77. THE ABUNDANT CLOUD COVER AND WIDESPREAD RAINFALL
SHOULD KEEP MAX TEMPERATURES IN THE MID 50S ALONG THE EAST FACING
SLOPES TO 60-65 DEGREES ELSEWHERE.

RAINFALL RATES WILL DECREASE MONDAY NIGHT INTO TUESDAY AS THE SYSTEM
TRACKS NORTHEAST. LOW TEMPERATURES SHOULD REMAIN VERY MILD TUESDAY
MORNING...WITH HIGH TEMPERATURES NEAR NORMAL TUESDAY AFTERNOON. ON
WEDNESDAY...THE LOW PRESSURE TRACK RAPIDLY NORTHEAST DURING THE
DAY...MEANWHILE...ANOTHER REGION OF DISTURBED WEATHER WILL MOVE OFF
THE ROCKIES AND WILL BEGIN MOVING EAST TOWARD THE APPALACHIANS.
MOISTURE AND LIFT ASSOCIATED WITH THE WARM FRONT IS TIMED TO REACH
THE FORECAST AREA THURSDAY AFTERNOON THROUGH FRIDAY. I WILL INCREASE
THE POP FOR CHC THURSDAY NIGHT...EXPECTING CHC TO CONTINUE INTO THE
NEW DAY 7. THURSDAY AND THURSDAY NIGHT TEMPERATURES SHOULD VERIFY
SLIGHTLY ABOVE NORMAL.

&&

.AVIATION /15Z FRIDAY THROUGH TUESDAY/...
MVFR CLOUDS ARE ACCOMPANYING THE HEAVIER SHOWERS AND THUNDERSTORMS
INTO THE TERMINAL FORECAST AREA LATE THIS MORNING. CONVECTION WITH
THIS INITIAL WAVE SHOULD LINGER FROM KHKY TO KGSP TO KAND THROUGH
18Z. SCATTERED STRONGER THUNDERSTORM DEVELOPMENT IS THEN EXPECTED
THROUGH THE LATE AFTERNOON HOURS...WITH MORE WIDESPREAD STRONG TO
SEVERE THUNDERSTORMS POSSIBLE AFTER 21Z TODAY. IFR CONDITIONS WILL
LIKELY NEED TO BE ADVERTISED WITH THE LATER ACTIVITY...ALONG WITH
GUSTY WINDS DURING ANY TEMPO TSRA PERIODS.

THE SHOWERS AND TSTMS WILL PUSH EAST OF THE REGION AROUND MIDNIGHT
TONIGHT...OR SHORTLY THEREAFTER AT KCLT. THE GFS CLEARS SKIES
QUICKLY WHILE THE NAM HOLDS ON TO LOWER CIGS. FOR NOW...WILL
CONTINUE A COMPROMISE THROUGH THE END OF THE TAF PERIOD...EXCEPT AT
KAVL WHERE MVFR CIGS WERE RETAINED IN MOIST NW FLOW. THE WINDS WILL
VEER MORE TO THE WEST BY LATE EVENING...BUT SHOULD ONLY TURN OUT OF
THE NORTH AT KAVL BY THE END OF THE FORECAST PERIOD.

&&

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

&&

SYNOPSIS...DEO
NEAR TERM...HG/MCAVOY
SHORT TERM...NED
LONG TERM...NED
AVIATION...HG/MCAVOY
Hazardous weather outlook, Apr 10, 5:04 AM EDT, 8 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
504 AM EDT FRI APR 10 2009

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-110915-
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-
504 AM EDT FRI APR 10 2009

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

.DAY ONE...TODAY AND TONIGHT.

LOW PRESSURE WILL MOVE ACROSS THE SOUTHERN APPALACHIAN MOUNTAINS
THIS EVENING. THE COMBINATION OF STRONG WIND SHEAR AND AN UNSTABLE
ATMOSPHERE AHEAD OF THE LOW IS LIKELY TO RESULT IN THE DEVELOPMENT
OF SEVERE THUNDERSTORMS OVER THE WESTERN CAROLINAS AND NORTHEAST
GEORGIA TODAY AND TONIGHT.

THE AREA MOST AT RISK OF SEEING SEVERE WEATHER INCLUDES UPSTATE
SOUTH CAROLINA...NORTHEAST GEORGIA...THE NORTH CAROLINA MOUNTAINS
SOUTHWEST OF ASHEVILLE AND A SMALL PART OF NORTH CAROLINA JUST
WEST OF CHARLOTTE AND SOUTH OF INTERSTATE 40. THUNDERSTORMS IN
THIS AREA MAY PRODUCE EXCEPTIONALLY LARGE HAIL LATER TODAY AND
TONIGHT. DAMAGING WINDS AND A FEW TORNADOES ARE POSSIBLE...
PARTICULARLY OVER THE UPSTATE AND NORTHEAST GEORGIA.

IF TEMPERATURES WARM TO AROUND 70 DEGREES TODAY...THEN SEVERE
WEATHER WILL BE EVEN MORE WIDESPREAD AND WILL LIKELY AFFECT AREAS
AS FAR NORTH AND EAST AS CHARLOTTE...SALISBURY AND STATESVILLE.
HOWEVER...IF CLOUD COVER HOLDS HIGH TEMPERATURES IN THE 60S...
THEN THE SEVERE THREAT WILL PROBABLY BE CONFINED TO A SMALLER AREA
INCLUDING NORTHEAST GEORGIA AND THE UPSTATE SOUTHWEST OF
GREENVILLE.

.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.

MCAVOY

In the hours before

Special weather statement, Apr 10, 8:53 AM EDT, 4 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
853 AM EDT FRI APR 10 2009

GAZ010-017-018-026-028-NCZ063-064-SCZ001>005-101330-
FRANKLIN-GREATER OCONEE-GREATER PICKENS-GREENVILLE
MOUNTAINS-HABERSHAM-HART-OCONEE MOUNTAINS-PICKENS
MOUNTAINS-RABUN-SOUTHERN JACKSON-STEPHENS-TRANSYLVANIA-
853 AM EDT FRI APR 10 2009

...STRONG THUNDERSTORMS WILL AFFECT HABERSHAM...NORTHERN FRANKLIN...
NORTHWESTERN GREENVILLE...NORTHWESTERN HART...OCONEE...RABUN...
SOUTHERN JACKSON...SOUTHERN TRANSYLVANIA...STEPHENS AND WESTERN
PICKENS COUNTIES THROUGH 930 AM EDT...

AT 851 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES WEST OF
CLAYTON TO 6 MILES SOUTHWEST OF LULA...MOVING EAST AT 55 MPH.

THESE STORMS WILL BE NEAR...
  6 MILES SOUTH OF DILLARD BY 855 AM EDT.
  TURNERVILLE BY 900 AM EDT.
  PINE MOUNTAIN BY 910 AM EDT.
  MOUNTAIN REST BY 915 AM EDT.
  EASTANOLEE BY 920 AM EDT.
  LAKE JOCASSEE BY 925 AM EDT.

PEA SIZE HAIL...AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE
STORMS.

BSH
Special weather statement, Apr 10, 9:43 AM EDT, 3 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
943 AM EDT FRI APR 10 2009

GAZ026-028-101430-
FRANKLIN-HART-
943 AM EDT FRI APR 10 2009

...A STRONG THUNDERSTORM WILL AFFECT HART AND SOUTHERN FRANKLIN
COUNTIES THROUGH 1030 AM EDT...

AT 943 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF ROYSTON...OR 9 MILES SOUTH
OF CARNESVILLE...MOVING NORTHEAST AT 45 MPH.

THIS STORM WILL BE NEAR...
  ROYSTON BY 950 AM EDT.
  CANON BY 955 AM EDT.
  HARTWELL BY 1005 AM EDT.
  REED CREEK BY 1010 AM EDT.

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

BSH
Special weather statement, Apr 10, 10:49 AM EDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1049 AM EDT FRI APR 10 2009

SCZ010-101530-
ANDERSON-
1049 AM EDT FRI APR 10 2009

...A STRONG THUNDERSTORM WILL AFFECT CENTRAL ANDERSON COUNTY THROUGH
1130 AM EDT...

AT 1048 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES NORTHWEST OF ANDERSON...MOVING NORTHEAST
AT 35 MPH.

THIS STORM WILL BE NEAR...
  WILLIAMSTON BY 1110 AM EDT.

PEA SIZE HAIL...BRIEF HEAVY RAINFALL...AND CLOUD TO GROUND LIGHTNING
IS EXPECTED WITH THIS STORM.

LANE
Special weather statement, Apr 10, 10:53 AM EDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1053 AM EDT FRI APR 10 2009

GAZ028-101515-
HART-
1053 AM EDT FRI APR 10 2009

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN HART COUNTY THROUGH
1115 AM EDT...

AT 1051 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF HARTWELL...MOVING NORTHEAST AT 40
MPH.

THIS STORM WILL BE NEAR...
  REED CREEK BY 1100 AM EDT.

MOTHBALL SIZE HAIL...BRIEF HEAVY RAINFALL AND CLOUD TO GROUND
LIGHTNING ARE EXPECTED WITH THIS STORM.

LANE
Special weather statement, Apr 10, 11:33 AM EDT, 1 hour 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1133 AM EDT FRI APR 10 2009

GAZ029-SCZ006-007-010>013-019-101645-
ELBERT-GREATER GREENVILLE-SPARTANBURG-ANDERSON-ABBEVILLE-LAURENS-
UNION SC-GREENWOOD-
INCLUDING THE CITIES OF...ELBERTON...GREENVILLE...SPARTANBURG...
ANDERSON...ABBEVILLE...LAURENS...UNION...GREENWOOD
1133 AM EDT FRI APR 10 2009

...ISOLATED STRONG THUNDERSTORMS WILL OCCUR ACROSS SOUTHERN
PORTIONS OF THE UPSTATE THROUGH 1230 PM...

AT 1127 AM...NATIONAL WEATHER SERVICE RADAR INDICATED NUMEROUS
SHOWERS AND THUNDERSTORMS EXTENDING FROM SOUTHERN ANDERSON COUNTY
TO NORTHERN LAURENS AND SOUTHERN GREENVILLE COUNTY. THROUGH 1230
PM...MOST OF THIS ACTIVITY WILL REMAIN JUST SOUTH OF I-85 AS IT
APPROACHES SOUTHERN SPARTANBURG AND UNION COUNTIES. ISOLATED
EMBEDDED STRONG THUNDERSTORMS WILL BE CAPABLE OF PRODUCING BRIEF
PERIODS OF SMALL HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND
VERY HEAVY RAINFALL.

STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.

LANE
Special weather statement, Apr 10, 12:42 PM EDT, 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1242 PM EDT FRI APR 10 2009

GAZ010-017-018-026-028-029-SCZ001>014-019-101845-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-OCONEE MOUNTAINS-
PICKENS MOUNTAINS-GREENVILLE MOUNTAINS-GREATER OCONEE-
GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-
ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER-GREENWOOD-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...GREENVILLE...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...
GREENWOOD
1242 PM EDT FRI APR 10 2009

...ISOLATED STRONG THUNDERSTORMS POSSIBLE ACROSS THE UPSTATE AND
NORTHEAST GEORGIA EARLY THIS AFTERNOON...

AT 1239 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED TO
NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS UPSTATE SOUTH CAROLINA
AND NORTHEAST GEORGIA. THROUGH 2 PM...ISOLATED EMBEDDED STRONGER
STORMS CAN BE EXPECTED TO PRODUCE BRIEF PERIODS OF SMALL HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAINFALL. MORE
SIGNIFICANT THUNDERSTORM ACTIVITY IS EXPECTED LATER THIS AFTERNOON
INTO THE EVENING HOURS.

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

LANE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 10, 1:16 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens24 min
Apr 10, 1:35 PM EDTSevere Thunderstorm WarningGSPOconee40 min
Apr 10, 1:43 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg37 min
Apr 10, 2:05 PM EDTSevere Thunderstorm WarningGSPAnderson, Oconee, Pickens40 min
Apr 10, 2:15 PM EDTSevere Thunderstorm WarningGSPGreenville60 min
Apr 10, 2:32 PM EDTSevere Thunderstorm WarningGSPGreenville, Pickens30 min
Apr 10, 2:39 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg51 min
Apr 10, 3:20 PM EDTSevere Thunderstorm WarningGSPCherokee, York40 min
Apr 10, 4:21 PM EDTSevere Thunderstorm WarningGSPGreenville24 min
Apr 10, 4:32 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union45 min
Apr 10, 4:43 PM EDTSevere Thunderstorm WarningGSPSpartanburg36 min
Apr 10, 6:24 PM EDTTornado WarningGSPOconee51 min
Apr 10, 7:05 PM EDTTornado WarningGSPPickens39 min
Apr 10, 7:08 PM EDTTornado WarningGSPAnderson, Oconee56 min
Apr 10, 7:42 PM EDTSevere Thunderstorm WarningGSPGreenville, Spartanburg63 min
Apr 10, 7:56 PM EDTTornado WarningGSPAnderson, Greenville, Laurens49 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2009Every severe thunderstorm warning in 2009

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.