Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 165, NWS Greenville-Spartanburg, SC

May 14, 2012Union County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 14, 2012, 8:23 PM EDT for Union County, North Carolina. It was in force for 52 min. 5 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
May 14, 2012, 8:23 PM EDT (00:23 UTC)
Expired
May 14, 2012, 9:15 PM EDT
In force
52 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

County Union County, NC

The radar

The Columbia radar (KCAE), 133 km from the middle of the area, began a volume at 00:25 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 14, 8:27 PM EDTHAIL 1.75Waxhaw, NCGOLF BALL SIZED HAIL IN WAXHAW
May 14, 8:29 PM EDTHAIL 16 Ne Waxhaw, NCPUBLIC REPORTS QUARTER SIZED HAIL.
May 14, 8:30 PM EDTHAIL 13 Wnw Monroe, NC1 INCH HAIL REPORTED WNW OF MONROE.
May 14, 8:30 PM EDTHAIL 17 Ne Waxhaw, NCPUBLIC REPORTED 1 INCH HAIL TO MEDIA.
May 14, 8:35 PM EDTHAIL 1Monroe, NCPUBLIC REPORTS QUARTER SIZED HAIL.

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 5 storm reports to this severe thunderstorm warning; the first came 4 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.4 hours before the alert went out and 129 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 00:00Z on 2012-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 713 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2012-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 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
713 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

124 
WUUS52 KGSP 150023
SVRGSP
NCC179-150115-
/O.NEW.KGSP.SV.W.0165.120515T0023Z-120515T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
823 PM EDT MON MAY 14 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

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

* UNTIL 915 PM EDT

* AT 817 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HALF DOLLAR SIZE        
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS      
  LOCATED NEAR MINERAL SPRINGS...OR 10 MILES WEST OF MONROE...AND    
  MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  MONROE AND STALLINGS.
  UNIONVILLE.
  FAIRVIEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BRIEF DAMAGING WINDS WILL BLOW DOWN TREES AND POWER LINES OVER SMALL
AREAS. A BRIEF PERIOD OF LARGE HAIL IS ALSO POSSIBLE. SEEK SHELTER
INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3506 8032 3489 8074 3501 8082 3521 8055
TIME...MOT...LOC 0023Z 224DEG 31KT 3499 8066

$$
LANE
3 follow-up statements
389 
WWUS52 KGSP 150035
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
835 PM EDT MON MAY 14 2012

NCC179-150115-
/O.CON.KGSP.SV.W.0165.000000T0000Z-120515T0115Z/
UNION NC-
835 PM EDT MON MAY 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHERN UNION
COUNTY IN THE PIEDMONT OF NORTH CAROLINA UNTIL 915 PM EDT...

AT 828 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 NEAR
MONROE...MOVING NORTHEAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL IMPACT LOCATIONS NEAR...
  UNIONVILLE AND FAIRVIEW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS SHOWING SIGNS OF ROTATION. IF THE ROTATION CONTINUES TO
STRENGTHEN...A TORNADO WARNING MAY BE ISSUED. SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. SEEK
SHELTER INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3493 8066 3505 8072 3521 8055 3506 8032
TIME...MOT...LOC 0034Z 227DEG 29KT 3504 8058

$$
LANE
890 
WWUS52 KGSP 150057
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
857 PM EDT MON MAY 14 2012

NCC179-150115-
/O.CON.KGSP.SV.W.0165.000000T0000Z-120515T0115Z/
UNION NC-
857 PM EDT MON MAY 14 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTH CENTRAL
UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA UNTIL 915 PM EDT...

AT 841 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 NEAR
UNIONVILLE...OR 7 MILES NORTH OF MONROE...MOVING NORTHEAST AT 35 MPH.

QUARTER TO GOLF BALL SIZE HAIL WAS REPORTED WITH THIS STORM NEAR 
MONROE AND WAXHAW. 

THE SEVERE THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF NORTH
CENTRAL UNION COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE HAIL CAN CAUSE MAJOR PROPERTY DAMAGE...ESPECIALLY TO VEHICLES.
DAMAGING WINDS MAY BLOW DOWN SCATTERED TREES AND POWER LINES. SEEK
SHELTER INSIDE AN INTERIOR ROOM.

TO REPORT DAMAGING WINDS...HAIL...OR FLOODING THROUGH OUR AUTOMATED
REPORTING SYSTEM...CALL TOLL FREE...1 8 7 7...6 3 3...6 7 7 2.

&&

LAT...LON 3499 8053 3511 8066 3521 8055 3506 8032
TIME...MOT...LOC 0057Z 227DEG 29KT 3517 8042

$$
LANE
932 
WWUS52 KGSP 150115
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
915 PM EDT MON MAY 14 2012

NCC179-150121-
/O.EXP.KGSP.SV.W.0165.000000T0000Z-120515T0115Z/
UNION NC-
915 PM EDT MON MAY 14 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL UNION COUNTY IN
THE PIEDMONT OF NORTH CAROLINA WILL EXPIRE AT 915 PM EDT...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE 
LEVELS. 

LAT...LON 3499 8053 3511 8066 3521 8055 3506 8032
TIME...MOT...LOC 0111Z 227DEG 29KT 3525 8032

$$
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 14, 8:00 PM EDT, 23 minutes earlier.

Area forecast discussion, May 14, 8:00 PM EDT, 23 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
800 PM EDT MON MAY 14 2012

.SYNOPSIS...
SLOW MOVING LOW PRESSURE AND AN ASSOCIATED COLD FRONT WILL CONTINUE
TO MOVE EAST ACROSS THE AREA TONIGHT. ANOTHER WEAK COLD FRONT WILL
CROSS THE AREA WEDNESDAY...HIGH PRESSURE WILL THEN BUILD IN FROM THE
NORTH AND REMAIN INTO THE WEEKEND.

&&

.NEAR TERM /THROUGH TUESDAY/...
AS OF 745 PM...THE CLUSTER OF THUNDERSTORMS DRIVEN BY A PASSING
UPPER SHORTWAVE IS MOVING FROM THE FOOTHILLS INTO THE NC PIEDMONT.
WITH NO REPORTS OF MTN FLOODING AT THIS POINT AND ONLY LIGHT
STRATIFORM RAIN THERE...WILL CANCEL THE FLOOD WATCH FOR BURNSVILLE
TO ASHEVILLE...BUT LEAVE IT UP FROM HENDERSON THROUGH THE FOOTHILLS
UNTIL WE ARE SURE THERE IS NO ADDITIONAL FLOODING THERE. SIGNIFICANT
FLOODING IS ONGOING IN THE NC FOOTHILLS...AND WILL LIKELY DEVELOP
ACROSS THE INTERSTATE 77 CORRIDOR OVER THE NEXT FEW HOURS...SO NO
CHANGES IN THE WATCH THERE.

FOR THE OVERNIGHT...THE WEAK SHORT WAVE WILL MOVE NORTHEAST OF THE
AREA WITH ONLY ISOLD TO SCT LINGERING RAIN SHOWERS LIKELY OVERNIGHT.
WITH ABUNDANT LOW LEVEL MOISTURE...WIDESPREAD LOW CLOUDINESS AND FOG
SHOULD EASILY DEVELOP LATE TONIGHT OVER MOST AREAS.

ON TUE...THE DAY WILL BEGIN CLOUDY WITH A CONTINUED LULL IN SHOWER
ACTIVITY. HOWEVER...WITH A LITTLE MORE OF A SW COMPONENT TO THE WIND
FIELD THE LOW CLOUDINESS SHOULD GIVE WAY TO PARTLY CLOUDY CONDITIONS
BY MIDDAY. WITH THE INSOLATION AND THE APPROACH OF ANOTHER WEAK
SHORT WAVE...SCATTERED COVERAGE OF SHOWERS/THUDNERSTORMS SHOULD
DEVELOP DURING THE AFTERNOON HOURS.

FOR TEMPERATURES...WENT ABOVE GUIDANCE FOR MIN TEMPS TONIGHT AS HIGH
DEWPOINTS SHOULD KEEP TEMPS UP. USED A GUIDANCE BLEND FOR MAX TEMPS
ON TUE WHICH CALLS FOR TEMPS TO TOP OUT NEAR CLIMO.

&&

.SHORT TERM /TUESDAY NIGHT THROUGH THURSDAY NIGHT/...
AS OF 215 PM MONDAY...ON WEDNESDAY...THE AXIS OF A H5 TROF WILL
SLOWLY DRIFT EAST ACROSS THE FORECAST AREA ON WEDNESDAY. AT THE
SFC...A LEE TROF WILL LIKELY DEVELOP AS THE MID LEVEL TROF PASSES
AND LLVL WINDS REMAIN NORTHWEST AND DOWNSLOPE ACROSS THE EAST FACING
SLOPES OF THE MTNS. GFS AND NAM FORECAST SOUNDINGS INDICATE MILD
TEMPS BETWEEN H8 TO H6 WITH VERY SHALLOW MID LEVEL LAPSE RATES.
AFTERNOON CAPE VALUES WILL LIKELY FAVOR VALUES BETWEEN 500 TO 1000
J/KG...WITH WEAK LLVL CIN VALUES. THE COMBINATION OF WEAK LLVL
CONVERGENCE WITHIN THE LEE TROF AND RIDGETOP HEATING MAY TRIGGER A
FEW SHRA/TSRA DURING THE HEAT OF THE AFTERNOON...I WILL INDICATE
SCHC POPS ACROSS THE FORECAST AREA. USING A BLEND OF MET AND MAV
GUIDANCE...HIGH TEMPERATURES WILL LIKELY RANGE FROM MID TO UPPER 70S
WITHIN THE MTN VALLEYS TO L80S EAST.

ON THURSDAY...A WEST TO EAST ORIENTED WEAK COLD FRONT IS EXPECTED TO
SLIP SOUTHWARD INTO THE NC ZONES THURSDAY AFTERNOON. ALOFT...SHORT
RANGE MODELS INDICATE THAT THE MID LEVEL TROF MAY REMAIN OVER THE
COASTAL PLAIN OF THE CAROLINAS...POSSIBLY CLOSING OFF TO A WEAK LOW.
HOWEVER...GIVEN THE PRESENCE OF THE WEAK SFC COLD FRONT AND LOW MID
LEVEL HEIGHTS I EXPECT AN INCREASE IN LLVL CONVERGENCE AND AMOUNTS
OF CONDITIONAL INSTABILITY. I WILL FORECAST CHC POPS ACROSS THE HIGH
TERRAIN FOR SHRA/TSRA AND LATE AFTERNOON SCHC EAST. HIGH
TEMPERATURES SHOULD VERIFY VERY CLOSE TO WEDNESDAY OBSERVED VALUES.

&&

.LONG TERM /FRIDAY THROUGH MONDAY/...
AS OF NOON MONDAY...THE ECMWF AND GFS BEGIN THE EXTENDED RANGE IN
GOOD AGREEMENT ON FRIDAY. BOTH SOLUTIONS INDICATE A MID LEVEL TROF
ACROSS THE WESTERN ROCKIES AND WESTERN ATLANTIC WITH RIDGING ACROSS
THE APPALACHIANS. THE WESTERN TROF WILL REMAIN PROGRESSIVE THROUGH
THE PERIOD ACROSS THE NRN CONUS...RESULTING IN RISING HEIGHTS ACROSS
THE SOUTH DURING THE EARLY PORTION OF NEXT WEEK. THE MID
LEVEL LOW OVER THE WESTERN ATLANTIC IS EXPECTED TO REMAIN GENERALLY
IN PLACE...RESULTING IN GRADUALLY RISING HEIGHTS ACROSS THE WESTERN
CAROLINAS AND NE GEORGIA. THIS PATTERN WILL SUPPORT DAILY AVERAGE
TEMPERATURES RISING THROUGH THE EXTENDED PERIOD...RANGING AROUND 5
DEGREES ABOVE NORMAL BY MONDAY. WEAK SFC HIGH PRESSURE COMBINED WITH
MID LEVEL RIDGING WILL NOT FAVOR DEEP CONVECTION. BASED OF FORECAST
SOUNDINGS...I WILL ADVERTISE LATE AFTERNOON SCHC POPS FOR SHRA/TSRA
ACROSS THE MTNS...DRY EAST. A COLD FRONT MAY ARRIVE ACROSS THE MTNS
LATE MONDAY INTO MONDAY NIGHT....POSSIBLY RESULTING IN THE BEST
CHANCES FOR CONVECTION.

&&

.AVIATION /00Z TUESDAY THROUGH SATURDAY/...
AT KCLT...CLUSTER OF THUNDERSTORMS WILL TRAVERSE THE NC PIEDMONT
THROUGH 02Z. TSTMS SHOULD PROVIDE SOME W TO NW WIND GUSTS WITH
PASSAGE AS WELL AS VERY HEAVY RAINFALL AND FREQUENT LIGHTNING.
EXPECT MAINLY MVFR CIGS...BUT BRIEF IFR WILL BE POSSIBLE. AFTER THE
TSTM PASSAGE...EXPECT MAINLY MVFR CIGS BECOMING IFR OVERNIGHT WITH
THE GROUND VERY MOIST. PROFILES SHOW SLOW AND STEADY RECOVERY TO VFR
BY LATE TUE MORNING...WITH PROB30 FOR TSTMS AGAIN TUE AFTN. ASIDE
FROM ANY TSTMS...WINDS SHOULD REMAIN LIGHTLY SRLY.

ELSEWHERE...TSRA WILL BE POSSIBLE FOR ABOUT AN HOUR AT KAND AND
KHKY...BUT TSRA SHOULD BE CLEAR OF THE OTHER TAF SITES AT ISSUANCE
TIME. CANNOT RULE OUT VCSH THROUGHOUT THE OVERNIGHT HOURS GIVEN THE
MOIST BL...BUT THE UPPER SHORTWAVE SHOULD HAVE PASSED TO THE NE.
EXPECT CIGS TO DESCEND TO MVFR BY 04Z TO 06Z...WITH IFR LIKELY 08Z
TO 09Z. CIGS SHOULD STEADILY RECOVER TO VFR THROUGH LATE
MORNING...WITH ANOTHER ROUND OF VCTS LIKELY TUE AFTN IN CONTINUED
MOIST S TO SW FLOW WITH IMPROVING INSTABILITY.

OUTLOOK...EXPECT RESTRICTIONS IN SCT SHWRS AND TSTMS TO LINGER INTO
TUE NIGHT. ANOTHER ROUND OF IFR RESTRICTIONS ARE LIKELY EARLY WED
BEFORE SOME DRYING WED AFTERNOON. MAINLY VFR THEN. THERE WILL BE
MAINLY ISOLATED MOUNTAIN AFTERNOON SHOWERS AND TSTMS THRU LATE WEEK.
MRNG FOG PSBL...MAINLY MOUNTAIN VALLEYS AND NEAR LAKES/RIVERS.

AN EXPERIMENTAL AVIATION FORECAST CONSISTENCY TABLE SHOWING THE
PERCENTAGE OF GUIDANCE MEMBERS AGREEING WITH THE SCHEDULED ISSUANCE
CATEGORY IS AVAILABLE AT FOLLOWING LINK (USE LOWER CASE)...

WWW.WEATHER.GOV/GSP/AVIATION/TABLES.HTM

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
NC...FLASH FLOOD WATCH UNTIL 6 AM EDT TUESDAY FOR NCZ035>037-056-
     057-065-068>072-082-501>510.
SC...NONE.

&&

SYNOPSIS...WINESETT
NEAR TERM...HG/LG
SHORT TERM...NED
LONG TERM...NED
AVIATION...HG/LG
Hazardous weather outlook, May 14, 8:08 PM EDT, 15 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
808 PM EDT MON MAY 14 2012

GAZ010-017-018-026-028-029-NCZ033-048>053-058-059-062>064-SCZ001>014-
019-160015-
RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-MADISON-YANCEY-
MITCHELL-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON-
SOUTHERN JACKSON-TRANSYLVANIA-OCONEE MOUNTAINS-PICKENS MOUNTAINS-
GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS-
GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-
LAURENS-UNION SC-CHESTER-GREENWOOD-
808 PM EDT MON MAY 14 2012

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

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS WILL REMAIN OVER THE REGION THROUGH THE
EVENING HOURS. SOME OF THESE STORMS COULD BECOME STRONG TO
SEVERE...CAPABLE OF PRODUCING HAIL AND STRONG GUSTY WINDS. LOCALLY
HEAVY RAINFALL IS POSSIBLE IN A FEW LOCATIONS AS WELL.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA AGAIN TUESDAY AFTERNOON AND
EVENING. A FEW OF THESE STORMS MAY PRODUCE LARGE HAIL AND POSSIBLY
DAMAGING WIND GUSTS. IN ADDITION...HEAVY DOWNPOURS COULD RESULT IN
FLOODING OF POOR DRAINAGE AREAS OR SMALL STREAMS AND CREEKS.

.SPOTTER INFORMATION STATEMENT...

NONE.

NCZ035>037-056-057-065-068>072-082-501>510-160015-
ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN-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-
808 PM EDT MON MAY 14 2012

...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT TUESDAY...

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

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLASH FLOOD WATCH.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL REMAIN OVER THE REGION
THROUGH THE EVENING HOURS. SOME OF THESE STORMS COULD BECOME
STRONG TO SEVERE...CAPABLE OF PRODUCING HAIL AND STRONG GUSTY
WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE WESTERN
CAROLINAS AND NORTHEAST GEORGIA AGAIN TUESDAY AFTERNOON AND
EVENING. A FEW OF THESE STORMS MAY PRODUCE LARGE HAIL AND POSSIBLY
DAMAGING WIND GUSTS. IN ADDITION...HEAVY DOWNPOURS COULD RESULT IN
FLOODING OF POOR DRAINAGE AREAS OR SMALL STREAMS AND CREEKS.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, May 14, 7:59 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
759 PM EDT MON MAY 14 2012

SCZ014-150030-
CHESTER-
759 PM EDT MON MAY 14 2012

...A STRONG THUNDERSTORM WILL AFFECT EASTERN CHESTER COUNTY THROUGH
830 PM EDT...

AT 755 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR FISHING CREEK RESERVOIR...OR 9 MILES
SOUTHWEST OF LANCASTER...MOVING NORTHEAST AT 10 MPH.

THIS STORM WILL BE NEAR...
  FORT LAWN...

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.

FREQUENT 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 3456 8113 3482 8109 3482 8089 3479 8087
      3467 8087 3467 8088 3462 8089 3457 8087
      3455 8087

NED
Local storm report, May 14, 8:03 PM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
803 PM EDT MON MAY 14 2012

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

0800 PM     FLASH FLOOD      3 W LENOIR              35.90N 81.58W
05/14/2012                   CALDWELL           NC   911 CALL CENTER

            WATER IS FLOODING THE PARSONAGE OF THE LENOIR PENTECOSTAL
            HOLINESS CHURCH OFF OF ABINGTON ROAD.

&&

NED
Special weather statement, May 14, 8:08 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
808 PM EDT MON MAY 14 2012

NCZ068>070-150045-
CLEVELAND-GASTON-LINCOLN-
808 PM EDT MON MAY 14 2012

...THUNDERSTORMS WITH HEAVY RAINFALL WILL AFFECT GASTON...
SOUTHEASTERN LINCOLN AND SOUTHERN CLEVELAND COUNTIES THROUGH 845 PM
EDT...

AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS THE SOUTHERN NORTH
CAROLINA PIEDMONT.

HEAVY RAIN WILL IMPACT LOCATIONS NEAR...
  SHELBY...
  BESSEMER CITY...
  DALLAS...
  STANLEY...
  LOWESVILLE...

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 3551 8096 3546 8094 3539 8096 3538 8099
      3537 8096 3528 8101 3519 8101 3518 8102
      3518 8177 3535 8170 3554 8094

LANE
Special weather statement, May 14, 8:10 PM EDT, 13 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
810 PM EDT MON MAY 14 2012

GAZ028-029-SCZ010-150045-
ANDERSON-ELBERT-HART-
810 PM EDT MON MAY 14 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN ELBERT...SOUTHEASTERN
HART AND SOUTHWESTERN ANDERSON COUNTIES THROUGH 845 PM EDT...

AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTHEAST OF HARTWELL...MOVING SOUTHEAST
AT 15 MPH.

THIS STORM WILL BE NEAR...
  NUBERG...

PEOPLE IN NORTHERN ELBERT...SOUTHEASTERN HART AND SOUTHWESTERN
ANDERSON COUNTIES...INCLUDING THE FOLLOWING LOCATION...

NUBERG...

SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE
WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE
WEATHER THREATEN.

SMALL HAIL IS EXPECTED WITH THIS STORM.

LAT...LON 3432 8301 3444 8286 3426 8266 3425 8268
      3416 8282

NED
Special weather statement, May 14, 8:13 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
813 PM EDT MON MAY 14 2012

NCZ036-057-150100-
IREDELL-ROWAN-
813 PM EDT MON MAY 14 2012

...THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL AFFECT SOUTHERN
IREDELL AND WESTERN ROWAN COUNTIES THROUGH 900 PM EDT...

AT 806 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL OVER SOUTHERN IREDELL AND
WESTERN ROWAN COUNTY.

HEAVY RAIN WILL IMPACT LOCATIONS NEAR...
  MOORESVILLE...
  ENOCHVILLE...
  CLEVELAND...

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 3552 8058 3551 8086 3552 8090 3551 8095
      3553 8094 3558 8095 3559 8093 3561 8094
      3571 8076 3584 8069 3582 8057 3579 8053

LANE
Special weather statement, May 14, 8:21 PM EDT, 2 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
821 PM EDT MON MAY 14 2012

SCZ005-010-150100-
ANDERSON-GREATER PICKENS-
821 PM EDT MON MAY 14 2012

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN ANDERSON AND SOUTHERN
PICKENS COUNTIES THROUGH 900 PM EDT...

AT 821 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CENTRAL...OR 3 MILES NORTHEAST OF CLEMSON...
MOVING EAST AT 15 MPH.

THIS STORM WILL BE NEAR...
  LIBERTY...
  PIEDMONT...

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

LAT...LON 3463 8285 3464 8283 3470 8286 3481 8285
      3482 8248 3477 8245 3475 8246 3468 8245
      3467 8247 3459 8243

HG

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 8:08 PM EDTSpecial Weather StatementGSPCleveland, Gaston37 min
May 14, 8:13 PM EDTSpecial Weather StatementGSPIredell47 min
May 14, 8:38 PM EDTAreal Flood AdvisoryGSPIredell, Rowan112 min
May 14, 9:44 PM EDTAreal Flood WarningGSPAlexander, Caldwell, Iredell4 hr
May 15, 10:54 AM EDTFlash Flood WatchGSPAlexander, Avery, Buncombe, Burke, Cabarrus, Caldwell and 17 more17 hr
May 15, 3:51 PM EDTSpecial Weather StatementGSPHenderson24 min
May 15, 4:11 PM EDTSpecial Weather StatementGSPMcDowell34 min
May 15, 4:25 PM EDTSevere Thunderstorm WarningGSPHenderson, Rutherford36 min
May 15, 4:46 PM EDTSpecial Weather StatementGSPAvery44 min
May 15, 4:54 PM EDTSpecial Weather StatementGSPMacon51 min
May 15, 5:10 PM EDTAreal Flood AdvisoryGSPMitchell, Yancey80 min
May 15, 5:16 PM EDTSpecial Weather StatementGSPSwain29 min
May 15, 6:55 PM EDTSpecial Weather StatementGSPTransylvania50 min
May 15, 7:47 PM EDTSpecial Weather StatementGSPCabarrus28 min
May 15, 7:51 PM EDTSevere Thunderstorm WarningGSPCabarrus54 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2012Every severe thunderstorm warning in 2012

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.