North Carolina, 2007

Hail in North Carolina, May 12, 2007

May 12, 2007 · NWS GSP · 5 events in 5 counties and zones

Severe storms produced large hail over the North Carolina Foothills and Piedmont during the afternoon hours.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GSP wrote it up.

Severe storms produced large hail over the North Carolina Foothills and Piedmont during the afternoon hours.

What forecasters said that day

The local office's own words before the first event, 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 the first event at May 12, 12:44 PM EST, 11 minutes earlier.

Area forecast discussion, May 12, 12:44 PM EST, 11 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, 5:03 AM EST, 7 hours 52 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, 12:03 PM EST, 52 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, 12:03 PM EST, 52 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, 12:37 PM EST, 18 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, 12:44 PM EST, 11 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, 12:45 PM EST, 10 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 radar

The Greer radar (KGSP), 106 km away, was scanning. The volume nearest the first event began at 17:55 UTC.

Open the radar archive at this moment

Event by event

5 hail. Local standard time, as filed.

Hail, Gaston

When
May 12, 12:55 PM EST
Where
Gaston County, 1 mi S of Dallas
Measured
1 in hail
Reported by
Public
Coordinates
35.306, -81.180

Reported near the intersection of Friday Park Rd and Old Dallas Highway.

Hail, Lincoln

When
May 12, 1:00 PM EST
Where
Lincoln County, 6 mi SSE of Denver
Measured
1 in hail
Reported by
Fire Department/Rescue
Coordinates
35.450, -80.989

Reported at the intersection of highway 16 and highway 73.

Hail, Cleveland

When
May 12, 1:27 PM EST
Where
Cleveland County, 1.5 mi W of Waco
Measured
0.75 in hail
Reported by
Public
Coordinates
35.370, -81.457

Reported on Deal Rd.

Hail, Rowan

When
May 12, 1:30 PM EST
Where
Rowan County, Gold Hill
Measured
0.75 in hail
Reported by
Public
Coordinates
35.520, -80.350

Reported at the Gold Hill airport.

Hail, Cabarrus

When
May 12, 1:37 PM EST
Where
Cabarrus County, Kannapolis
Measured
0.75 in hail
Reported by
Trained Spotter
Coordinates
35.500, -80.630

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in North Carolina in 2007Every state in 2007This day in weather historyWarnings in North Carolina, May 2007

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 35251, 35252, 35253, 35254, 35255.