Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 63, NWS Greenville-Spartanburg, SC

May 12, 2007Cleveland County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 12, 2007, 2:25 PM EDT for Cleveland County, North Carolina. It was in force for 65 min. 1 report 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
May 12, 2007, 2:25 PM EDT (18:25 UTC)
Expired
May 12, 2007, 3:30 PM EDT
In force
65 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Cleveland County, NC

The radar

The Greer radar (KGSP), 82 km from the middle of the area, began a volume at 18:25 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
May 12, 2:27 PM EDTHAIL 0.752 W Waco, NC

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

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.4 hours before the alert went out and 169 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, Greensboro/Hi Pt, NC at 12:00Z on 2007-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 269 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, Greensboro/Hi Pt, NC at 12:00Z on 2007-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
269 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
914 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
21 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 121825
SVRGSP
NCC045-121930-
/O.NEW.KGSP.SV.W.0063.070512T1825Z-070512T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
225 PM EDT SAT MAY 12 2007

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 330 PM EDT

* AT 225 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 6 MILES NORTHEAST OF
  SHELBY...AND WAS MOVING SOUTHEAST AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  6 MILES NORTHWEST OF KINGS MOUNTAIN BY 330 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 3554 8153 3554 8169 3532 8167 3521 8167
      3521 8132

$$

RB
1 follow-up statement
000 
WWUS52 KGSP 121859
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
256 PM EDT SAT MAY 12 2007

NCC045-121930-
/O.CON.KGSP.SV.W.0063.000000T0000Z-070512T1930Z/
CLEVELAND NC-
256 PM EDT SAT MAY 12 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM EDT
FOR CLEVELAND COUNTY...

AT 254 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF THUNDERSTORMS EXTENDING FROM NEAR KINGSTON...TO SHELBY...TO 
JUST SOUTH OF WACO. THESE STORMS HAVE SHOWN A WEAKENING TREND. 
HOWEVER...IT IS LIKELY THAT THEY WILL INTENSIFY AS THEY MOVE OVER 
THE SOUTHERN END OF THE COUNTY THROUGH 330 PM. THE STORMS REMAIN 
CAPABLE OF PRODUCING BRIEF PERIODS OF 60 MPH WINDS.   

SEVERE THUNDERSTORMS ARE EXPECTED TO BE NEAR...
  PATTERSON SPRINGS BY 315 PM EDT...
  KINGS MOUNTAIN BY 325 PM EDT...

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

THIS STORM MAY CAUSE FLOODING OF ROADS WITH POOR DRAINAGE...
PARTICULARLY IN URBAN AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS
WHERE WATER COVERS THE ROAD. THE WATER MAY BE TOO DEEP TO ALLOW YOUR
VEHICLE TO CROSS.

LAT...LON 3554 8153 3554 8169 3532 8167 3521 8167
      3521 8132

$$
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 May 12, 1:44 PM EDT, 41 minutes earlier.

Area forecast discussion, May 12, 1:44 PM EDT, 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT SAT MAY 12 2007

.SYNOPSIS...
A COLD FRONT WILL MOVE SOUTH OF OUR REGION ON SUNDAY AS HIGH
PRESSURE BUILDS SOUTH FROM THE EASTERN GREAT LAKES.  THIS HIGH
PRESSURE SYSTEM WILL SETTLE OVER THE CAROLINAS IN THE FIRST HALF OF
THE WEEK...BEFORE MOVING OFF THE COAST.  ANOTHER COLD FRONT WILL
MOVE IN FROM THE NORTHWEST IN MID WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
CONSIDERABLE CLOUDINESS CURRENTLY OVER THE FORECAST AREA...
ESPECIALLY MOUNTAINS AND THE UPSTATE. THE NC PIEDMONT AND FOOTHILLS
ONLY PARTLY CLOUDY. CLOUDS ARE SIGNIFICATLY HOLDING DOWN SURFACE
TEMPERATURES WHICH IN TURN WILL CURTAIL CAPES AND THE AMOUNT OF DEEP
CONVECTION POTENTIAL. THE EXCEPTION APPEARS TO BE IN THE NC
FOOTHILLS/PIEDMONT WHERE IT LOOKS LIKE INSTABILITY WILL BE
MAXIMIZED. 12Z NAM NOT EXACTLY CAPTURING THE DETAILS WITH LOCATION
OF MINIMUM/MAXIMUM CAPES FOR THE AFTERNOON. I STILL THINK THAT
COVERAGE OF SHOWERS/THUNDERSTORMS WILL BE IN THE NUMEROUS CATEGORY
FOR THE MID/LATE AFTERNOON HOURS FROM THE NC/SC PIEDMONTS AS SURFACE
CONVERGENCE/DPVA/DIFFLUENCE ALOFT MAXIMIZES. THEREFORE...WILL
MAINTAIN THE LIKELY POPS. SEVERE POTENTIAL NOT VERY GREAT AS COLUMNS
VERY MOIST AND WEAK WIND FIELDS. COULD NOT RULE OUT AN ISOLATED
SEVERE STORM IN THE NC PIEDMONT WHERE HIGHEST CAPES WILL BE...BUT
HEAVY DOWNPOURS APPEAR TO BE THE GREATEST THREAT. HAVE TRIMMED HIGH
TEMPS BACK A GOOD CATEGORY MOUNTAINS/SC UPSTATE...WITH LITTLE CHANGE
NC PIEDMONT/FOOTHILLS.

&&

.SHORT TERM /SUNDAY/...
SFC RIDGING REMAINS ON TRACK TO BUILD SOUTH TOWARD THE CWFA ON
SUNDAY WITH THE RESULTANT NE TO E LLVL FLOW ALLOWING MAX TEMPS
TO RETURN TO VALUES CLOSER TO NORMAL. STILL DO NOT BUY OP SHORT
TERM MODEL RESPONSE OF ANY SHOWER DEVELOPMENT WITHIN EASTERLY FLOW
AND SHALLOW MOISTURE. VIRTUALLY NO CHANGE EXPECTED TO THE INHERITED
DRY AND SEASONABLE FCST FOR MONDAY AS SFC HI PRES CONTINUES TO DROP
SOUTH ACRS THE CAROLINAS.

&&

.LONG TERM /SUNDAY NIGHT THROUGH SATURDAY/...
LOW AMPLITUDE UPPER RIDGING WILL HANG ON OVER THE SOUTHEAST U.S.
THROUGH TUESDAY WHILE PROGRESSIVE SFC RIDGE AXIS BECOMES ORIENTED
E-W AND THE CENTER MOVES OFFSHORE. LLVL RETURN FLOW GETS UNDERWAY
ALONG THE BACK SIDE OF LLVL RIDGING...ALLOWING A RETURN TO WARM
TEMPERATURES. IT REMAINS QUESTIONABLE WHETHER DEVELOPING WEAK
INSTABILITY ACRS THE MOUNTAINS TUESDAY AFTERNOON WOULD BE ABLE TO
SUPPORT DEEP CONVECTION...SO WILL LEAVE DRY FOR NOW. 12/00 UTC OP
GFS SUPPORTS GOING THINKING FOR WED/WED NITE PROGGING FRONTAL BAND
DEEP CONVECTIVE CHANCES MOVING SOUTHEAST ACRS THE CWFA. QUICKER
MOVEMENT AND MORE PRONOUNCED DEEP DRYING IS NOW PROGGED FOR THURSDAY
BUT WILL LEAVE TOKEN SLIGHT CHANCE POPS AS IS FOR NOW PENDING
REGULAR EXTENDED COLLABORATION PERIOD LATER THIS MORNING. GOING
POST FRONTAL AND SEASONABLE FCST FOR FRIDAY WILL REMAIN AS IS AS
WELL.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
MAIN AVIATION CONCERN WILL BE CONVECTION THE REMAINDER OF THIS
AFTERNOON. LOOKS LIKE EVERY AIR FIELD WILL SEE THUNDERSTORMS AT
LEAST IN THE VICINITY....WITH KCLT HAVING THE HIGHEST CHACCE OF
SIGNIFICANT IMPACT TO OPERATIONS. DEEP CONVECTION ALREADY DEVELOPING
IN THE NC PIEDMONT TO THE NW OF KCLT...AND THIS SHOULD DRIFT SE OVER
THE AIRPORT BY 20Z. COULD SEE SOME BRIEF IFR CONDITIONS IN
CIG/VSBY...BUT ELECTED TO KEEP TEMPO GROUP IN MVFR RANGE.
THUNDERSTORM CHANCES DIMINISH RAPIDLY FROM N TO S AS UPPER VORT MAX
MOVES THROUGH THE AREA. THREAT OF THUNDER ENDS ALL TAF SITES BY 00Z.
ALL GUIDNACE INDICATES MID LEVEL CEILINGS AFTER THE STORMS CLEARING
BY 06Z. DID NOT FORECAST ANY FOG AS IT LOOKS LIKE MIXING WILL BE
SUFFICIENT BEHIND BACKDOOR FRONT TO PRECLUDE IT.

FOR THE EXTENDED...VFR SUNDAY THROUGH MOST OF WED AS HIGH PRESSURE
SETTLES OVER THE MID ATLANTIC. SHOWERS AND THUNDERSTORMS EXPECTED
LATE WEDNESDAY/WED NIGHT ASSOCIATED WITH A COLD FRONT.

&&

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

&&

SYNOPSIS...DEO
NEAR TERM...LG
SHORT TERM...CSH
LONG TERM...CSH
AVIATION...LG
Hazardous weather outlook, May 12, 6:03 AM EDT, 8 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
603 AM EDT SAT MAY 12 2007

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-131015-
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-
603 AM EDT SAT MAY 12 2007

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

.DAY ONE...TODAY AND TONIGHT

NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON OUT
AHEAD OF AN APPROACHING COLD FRONT. A FEW OF THESE STORMS HAVE THE
POTENTIAL TO PRODUCE 40-50 MPH WIND GUSTS...HAIL TO THE SIZE OF
PENNIES...AND LOCALLY HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME...ALTHOUGH
SPOTTERS ARE ENCOURAGED TO RELAY ANY REPORTS OF HAIL...GUSTY WIND
OR HIGH WATER CONDITIONS TO THE NATIONAL WEATHER SERVICE.

In the hours before

Special weather statement, May 12, 1:03 PM EDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
103 PM EDT SAT MAY 12 2007

NCZ068>071-SCZ009-121800-
CLEVELAND-GASTON-LINCOLN-MECKLENBURG-YORK-
103 PM EDT SAT MAY 12 2007

...STRONG THUNDERSTORMS WILL AFFECT CLEVELAND...GASTON...LINCOLN...
MECKLENBURG AND YORK COUNTIES THROUGH 200 PM EDT...

AT 100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM VALE TO BOILING
SPRINGS NC...MOVING EAST AT 5 MPH.

THESE STORMS WILL BE NEAR...
  VALE BY 115 PM EDT.
  SHELBY BY 140 PM EDT.
  CHARLOTTE BY 200 PM EDT.

SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS.

RB
Special weather statement, May 12, 1:03 PM EDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
103 PM EDT SAT MAY 12 2007

NCZ068>071-SCZ009-121800-
CLEVELAND-GASTON-LINCOLN-MECKLENBURG-YORK-
103 PM EDT SAT MAY 12 2007

...STRONG THUNDERSTORMS WILL AFFECT CLEVELAND...GASTON...LINCOLN...
MECKLENBURG AND YORK COUNTIES THROUGH 200 PM EDT...

AT 100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM VALE TO BOILING
SPRINGS NC...MOVING SOUTHEAST AT 10 MPH.

THESE STORMS WILL BE NEAR...
  VALE BY 115 PM EDT.
  SHELBY BY 140 PM EDT.
  CHARLOTTE BY 200 PM EDT.

SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS.

RB
Special weather statement, May 12, 1:37 PM EDT, 48 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
137 PM EDT SAT MAY 12 2007

NCZ068>071-121830-
CLEVELAND-GASTON-LINCOLN-MECKLENBURG-
137 PM EDT SAT MAY 12 2007

...STRONG THUNDERSTORMS WILL AFFECT CLEVELAND...GASTON...LINCOLN AND
MECKLENBURG COUNTIES THROUGH 230 PM EDT...

AT 137 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CASAR TO MOUNTAIN
ISLAND LAKE...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO MOUNTAIN
  ISLAND LAKE...CENTER CITY CHARLOTTE...SOUTHPARK MALL...WACO...
  STANLEY...SHELBY...RANLO...PAW CREEK...PATTERSON SPRINGS...MOUNT
  HOLLY...MCADENVILLE...LUCIA...LOWESVILLE...LOWELL...LINCOLNTON...
  LAWNDALE...KINGS MOUNTAIN...IRON STATION...HIGH SHOALS...
  GASTONIA...FALLSTON...DALLAS...CROUSE...CRAMERTON...CHERRYVILLE...
  CASAR...BOGER CITY...BESSEMER CITY...BELWOOD AND BELMONT.

SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS.

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

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.

RB
Special weather statement, May 12, 1:44 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
144 PM EDT SAT MAY 12 2007

NCZ052-059-063-064-121845-
HAYWOOD-NORTHERN JACKSON-SOUTHERN JACKSON-TRANSYLVANIA-
144 PM EDT SAT MAY 12 2007

...STRONG THUNDERSTORMS WILL AFFECT HAYWOOD...JACKSON AND
TRANSYLVANIA COUNTIES THROUGH 245 PM EDT...

AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM CRUSO TO LAKE
THORPE. THESE STORMS WERE  NEARLY STATIONARY.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  THORPE...WOLF MOUNTAIN...TUCKASEGEE...SUNBURST...SAPPHIRE...
  ROSMAN...LITTLE RIVER...LAKE TOXAWAY...CULLOWHEE...CRUSO...CEDAR
  MOUNTAIN...CASHIERS...BREVARD AND BALSAM GROVE.

SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS.

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

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.

RB
Special weather statement, May 12, 1:45 PM EDT, 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
145 PM EDT SAT MAY 12 2007

GAZ010-017-121845-
HABERSHAM-RABUN-
145 PM EDT SAT MAY 12 2007

...A STRONG THUNDERSTORM WILL AFFECT HABERSHAM AND RABUN COUNTIES
THROUGH 245 PM EDT...

AT 143 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR NACOOHE LAKE...OR 8 MILES SOUTHWEST OF
CLAYTON...MOVING SOUTHEAST AT 5 MPH.

* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LAKE
  RABUN...NACOOHE LAKE...LAKE BURTON...TURNERVILLE...TIGER...TALLULAH
  FALLS...LAKEMONT...HOLLYWOOD AND CLAYTON.

PEA SIZE HAIL AND HEAVY DOWNPOURS 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 AS THEY
MAY BE WASHED OUT. WATER LEVELS OF SMALL STREAMS AND RIVERS MAY ALSO
RISE...THEREFORE SEEK HIGHER GROUND IF THREATENED BY FLOOD WATERS.

LG

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 1:47 PM EDTSevere Thunderstorm WarningGSPGaston45 min
May 12, 1:55 PM EDTSevere Thunderstorm WarningGSPLincoln38 min
May 12, 2:03 PM EDTSevere Thunderstorm WarningGSPMecklenburg32 min
May 12, 2:07 PM EDTSevere Thunderstorm WarningGSPRowan53 min
May 12, 2:14 PM EDTSevere Thunderstorm WarningGSPCabarrus61 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2007Every severe thunderstorm warning in 2007

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.