Alert archive / North Carolina / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 10, NWS Greenville-Spartanburg, SC

March 2, 2012Davie County, Iredell County, Rowan County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 2, 2012, 11:23 AM EST for Davie County, Iredell County, Rowan County, North Carolina. It was in force for 24 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
Mar 2, 2012, 11:23 AM EST (16:23 UTC)
Expired
Mar 2, 2012, 11:47 AM EST
In force
24 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Storm-based polygon

Counties Davie County, NC, Iredell County, NC, Rowan County, NC

The radar

The Roanoke radar (KFCX), 127 km from the middle of the area, began a volume at 16:25 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
Mar 2, 11:30 AM ESTHAIL 1.5Mocksville, NC

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 one storm report to this severe thunderstorm warning; the first came 7 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 12:00Z, 4.4 hours before the alert went out and 58 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 2012-03-02Temperature 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°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 2012-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 square meters per square second.1939587897117136Sfc1 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
2084 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
234 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.

836 
WUUS52 KGSP 021623
SVRGSP
NCC059-097-159-021715-
/O.NEW.KGSP.SV.W.0010.120302T1623Z-120302T1715Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1123 AM EST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIE COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  EAST CENTRAL IREDELL COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
  NORTHWESTERN ROWAN COUNTY IN THE PIEDMONT OF NORTH CAROLINA...

* UNTIL 1215 PM EST

* AT 1120 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 7 MILES NORTHWEST OF WOODLEAF...OR 8 MILES
  SOUTHWEST OF MOCKSVILLE...MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  COOLEEMEE AND WOODLEAF...
  MOCKSVILLE...
  FORK CHURCH AND FARMINGTON...
  ADVANCE AND BERMUDA RUN...

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.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS LIGHTNING
IS OCCURRING WITH THIS SEVERE THUNDERSTORM. STAY INDOORS AWAY FROM
WINDOWS. AVOID USING APPLIANCES THAT REQUIRE AN ELECTRICAL CORD.
UNPLUG EXPENSIVE ELECTRONIC EQUIPMENT.

&&

LAT...LON 3588 8041 3585 8038 3582 8047 3578 8047
      3573 8071 3587 8083 3590 8080 3606 8046
      3601 8041 3599 8041 3596 8037 3589 8036
TIME...MOT...LOC 1623Z 246DEG 43KT 3585 8064

$$

JOH
2 follow-up statements
337 
WWUS52 KGSP 021637
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1137 AM EST FRI MAR 2 2012

NCC097-159-021647-
/O.CAN.KGSP.SV.W.0010.000000T0000Z-120302T1715Z/
IREDELL NC-ROWAN NC-
1137 AM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN ROWAN AND EAST
CENTRAL IREDELL COUNTIES IS CANCELLED...

LAT...LON 3588 8041 3585 8038 3582 8047 3580 8047
      3597 8065 3606 8046 3601 8041 3599 8041
      3596 8037 3589 8036
TIME...MOT...LOC 1637Z 246DEG 43KT 3592 8045

$$

NCC059-021715-
/O.CON.KGSP.SV.W.0010.000000T0000Z-120302T1715Z/
DAVIE NC-
1137 AM EST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM EST
FOR DAVIE COUNTY...

AT 1135 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL.  THIS STORM WAS LOCATED 3 MILES NORTHWEST OF FORK CHURCH...OR 4
MILES EAST OF MOCKSVILLE...MOVING NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ADVANCE
AND BERMUDA RUN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS LIGHTNING
IS OCCURRING WITH THIS STORM. STAY INDOORS AWAY FROM WINDOWS. AVOID
USING APPLIANCES THAT REQUIRE AN ELECTRICAL CORD. UNPLUG EXPENSIVE
ELECTRONIC EQUIPMENT.

&&

LAT...LON 3588 8041 3585 8038 3582 8047 3580 8047
      3597 8065 3606 8046 3601 8041 3599 8041
      3596 8037 3589 8036
TIME...MOT...LOC 1637Z 246DEG 43KT 3592 8045

$$

JOH
591 
WWUS52 KGSP 021647
SVSGSP

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1147 AM EST FRI MAR 2 2012

NCC059-021656-
/O.CAN.KGSP.SV.W.0010.000000T0000Z-120302T1715Z/
DAVIE NC-
1147 AM EST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR DAVIE COUNTY IS CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNING AREA.

LAT...LON 3588 8041 3585 8038 3582 8047 3580 8047
      3597 8065 3606 8046 3601 8041 3599 8041
      3596 8037 3589 8036
TIME...MOT...LOC 1646Z 246DEG 43KT 3596 8033

$$

JOH

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 Mar 2, 9:29 AM EST, 1 hour 54 minutes earlier.

Area forecast discussion, Mar 2, 9:29 AM EST, 1 hour 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
929 AM EST FRI MAR 2 2012

.SYNOPSIS...
A WARM FRONT WILL MOVE NORTH OF OUR REGION TODAY AS A STRONG COLD
FRONT APPROACHES FROM THE WEST.  EXPECT THE COLD FRONT TO BE EAST OF
OUR AREA SATURDAY AFTERNOON.  HIGH PRESSURE WILL BE IN CONTROL OF
OUR WEATHER THROUGH MUCH OF NEXT WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
AS OF 925 AM...THE SFC WARM FRONT WAS RUNNING JUST NORTH OF KAND
EAST ACROSS LAURENS CO AND INTO NORTHERN FAIRFIELD COUNTY. SOUTH OF
THE FRONT SFC DEWPOINTS WERE IN THE L60S WITH SITE ALONG THE I-40
FOOTHILLS CORRIDOR IN THE LOW TO MID 30S. LATEST CONVECTION HAS BEEN
DEVELOPING IN THE VICINITY OF THE SFC BOUNDARY AND TRACKING STEADILY
NORTHEAST. AT 905 AM...FREEZING LEVEL OVER TCLT WAS 10.6 KFT WITH
THE -20C LEVEL AT 20.8 KFT...YIELDING A CORE HEIGHT FOR SVR HAIL
PRODUCING STORMS AROUND 22 KFT. THE WARM FRONT IS EXPECTED TO GAIN
NORTHERN GROUND THROUGH THE REST OF THE DAY...SERVING AS A TRIGGER
FOR CONVECTION. THIS AFTERNOON...MODERATE SFC BASED INSTABILITY WILL
DEVELOP WITHIN THE WARM SECTOR ACROSS THE WESTERN NC MTNS. UPSLOPE
FLOW AND POSSIBLY EARLY DIFFERENTIAL HEATING MAY TRIGGER ANOTHER
ROUND OF TSRA MID DAY THROUGH THIS AFTERNOON.

THIS EVENING/TONIGHT...THE HIGH SHEAR MODERATE INSTABILITY
ENVIRONMENT WILL LIKELY SUPPORT THE FORMATION OF A BAND OF TSRA
ACROSS EAST TN AND NRN GA. THIS BAND WILL SWEEP EAST ALONG AND AHEAD
OF THE COLD FRONT...REACHING THE NC BORDER COUNTIES MID TO LATE
EVENING. THIS LINE MAY REACH THE NC LINE PRODUCING SEVERE TSTM WINDS
AND HAIL. THE BAND MAY TREND WEAKER EAST OF THE TN BORDER COUNTIES.
HOWEVER...LINGERING INSTABILITY MAY SUPPORT A STRONG TO SEVERE BAND
ACROSS THE NE GA COUNTIES AND SC UPSTATE COUNTIES THROUGH THE LATE
NIGHT HOURS.

AS OF 655 AM...MAINLY TWEAKED POP GRIDS TO LINE UP WITH RADAR
TRENDS. A WARM FRONTAL BAND OF SHOWERS AND TSTMS SHUD PUSH THRU THE
AREA WITHIN THE NEXT 2-3 HOURS. BEYOND THAT...MAINLY JUST SCATTERED
SHOWERS WITH ISOLD THUNDER POSSIBLE THRU THE AFTN. THE TEMP/SKY
TRENDS WERE LEFT FROM PREVIOUS FCST FOR NOW.

AS OF 315 AM...A DEEP SFC LOW WAS ANALYZED OVER CENTRAL OK...WITH A
WARM FRONT EXTENDING EAST ACRS THE TN VLY THRU THE SRN FRINGE OF THE
CWFA. A MARKED CONTRAST OF AIR MASSES ALONG THE BNDRY...ESPECIALLY
WRT DEWPTS. DEWPTS RUNNING IN THE 30S N OF THE FRONT AND LWR 60S S
OF IT. THE SPC MESOANALYSIS PAGE SHOWS ABOUT A 1000 J/KG OF CAPE S
OF THE FRONT...AND THIS IS PLENTY FOR CONVECTION TO FIRE. A BROKEN
LINE OF SHWRS/TSTMS IS EXPECTED TO TRACK FROM THE SW ACRS THE CWFA
DURING THE EARLY MORNING HOURS. THERE IS ACTUALLY PLENTY OF SHEAR
(EFFECTED LAYER SHEAR OF 50-60 KTS). SO SOME STORM ROTATION IS
EXPECTED IN THE STRONGER UPDRAFTS...AND AN ISOLD SEVERE THREAT
(MAINLY HAIL) EXISTS.

LATE MORNING THRU THE AFTN...THE FCST QUICKLY BECOMES
CHALLENGING...AS GUIDANCE SEEMS TO BE TRENDING MORE WEDGY ALONG THE
BLUE RIDGE...WITH PERSISTENT STRONG ISENTROPIC LIFT ON THE 295-300 K
SFCS KEEPING FAIRLY HIGH COVERAGE OF SHOWERS/DRIZZLE. SFC HIGH PRES
OFF THE EAST COAST IS QUITE WEAK (1020 MB)...BUT MAY BE ENUF TO HOLD
AN IN SITU WEDGE. WITH THAT SAID...STILL EXPECT MOST OF THE AREA TO
BREAK INTO THE WARM SECTOR AIR MASS BY LATE AFTN. TAKING A BLEND OF
THE 00Z NAM TEMPS/DEWPTS FOR HOURLY GRIDS...KEEPS THE NC FOOTHILLS
AND BLUE RIDGE IN WEAK COLD AIR DAMMING THRU THE AFTN...WITH FAIRLY
WARM CONDITION SOUTH AND EAST OF I-85.

TONIGHT...AS LOW PRESSURE TRACKS NE INTO THE GREAT LAKES...A STRONG
COLD FRONT WILL PUSH ACRS THE OH/TN VLYS. THE FRONT IS STILL PROGGED
TO REACH THE APPALACHIANS BY 12Z SAT. THE ENVIRONMENT UPSTREAM WILL
BE CONDUCIVE TO A SVR WX OUTBREAK. GUIDANCE IN GENERAL AGREEMENT ON
CONVECTION TRACKING INTO THE CWFA THIS EVENING...AND ACRS THE
PIEDMONT OVERNIGHT.  INSTBY WILL BEGIN TO WANE WITH LOSS OF DAYTIME
HEATING AND POSSIBLY SOME RESIDUAL STRATUS/WEDGE INVOF THE BLUE
RIDGE. STILL...THERE WILL BE STRONG FORCING WITH THE FRONT COUPLED
WITH UPPER JET DIVERGENCE. CATEGORICAL POPS/THUNDER STILL LOOKS
GOOD. SOME OF THE HIGH RES MODELS...AS WELL AS THE BUFKIT
CONRAD...INDICATE THE MAIN MODE OF CONVECTION WILL BE SUPERCELLS.
THE SVR WX THREAT WILL CONTINUE TO BE HIGHLIGHTED IN THE HWO. TEMPS
REMAIN MILD AHEAD OF THE COLD FRONT OVERNIGHT.

&&

.SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/...
AS OF 330 AM FRIDAY...MODELS ARE IN FAIR AGREEMENT BRINGING THE H5
SHORTWAVE TOWARD THE AREA FROM THE W SAT WITH THE ASSOC SFC COLD
FRONT MOVG THRU IN THE MRNG. THE BULK OF THE MOISTURE TRACKS SE OF
THE AREA DURG THE AFTN. TEMPS START OFF WELL ABOVE AVG AT 12Z BUT
FALLING THKNS AND CAA BEHIND THE FRONT SHOULD KEEP TEMPS FROM
WARMING VERY MUCH DURG THE DAY AND THEY WILL LIKELY START TO DROP
OFF BY MID AFTN. EXPECT DRY CONDITIONS SAT NIGHT BUT PATCHY MOISTURE
IN NW FLOW BEGINS TO PUSH INTO THE MTNS FROM THE NW SUN MRNG WITH
BETTER MOISTURE SUN NIGHT. TEMPS SUN WILL BE AROUND AVG BUT COOL
QUICKLY AFTER SUNSET. RAIN SHWRS WILL MIX WITH AND TURN TO SNOW AND
IT LOOKS LIKE THE BEST CHC FOR ACCUMS WILL BE OVER THE NC MTNS ALONG
THE TN BORDER OVERNIGHT WITH A SLIGHT CHC OF OCNL LGT SNOW OR
FLURRIES OUT INTO THE NC FOOTHILLS. RIGHT NOW MOISTURE LOOKS
SOMEWHAT LIMITED BUT THIS WILL HAVE TO BE WATCHED FOR PSBL ADVSRY
SNOWFALL...ESP AT HIGHER ELEVS ALONG THE TN BORDER SUN NIGHT. LOWS
WILL BE A COUPLE DEG BELOW AVG.

&&

.LONG TERM /MONDAY THROUGH THURSDAY/...
AS OF 215 AM FRIDAY...THE MEDIUM RANGE MODELS ARE IN GOOD AGREEMENT
THROUGH MUCH OF THE PERIOD BUT DIVERGE TOWARD THE END OF THE WEEK.
ALL MODELS ARE IN AGREEMENT IN MOVING THE TROUGH OFF THE ATLANTIC
COAST MONDAY EVENING.  HIGH PRESSURE WILL BECOME CENTERED OVER THE
CAROLINAS AND VIRGINIA EARLY TUESDAY WITH LIGHT WIND.  BY TUESDAY
EVENING...THE CENTER OF THE HIGH WILL BE ROUGHLY OVER THE OUTER
BANKS OF NC. THE CLOCKWISE FLOW AROUND THE BASE OF THE HIGH AND
WESTERN PERIPHERY IS NOT AS MOISTURE LADEN AS PREVIOUS RUNS...SO
JUST SOME CLOUDINESS ON THE INCREASE THROUGH MID WEEK.  THE PART OF
THE FORECAST FROM 00Z THURSDAY TO 12Z FRIDAY IS MORE OF A CONTRAST
AT LEAST BETWEEN THE GFS AND ECMWF. HPC IS GOING WITH THE GFS IN
MAINTAINING THE HIGH LONGER OVER THE SOUTHEAST. THE ECMWF ON THE
OTHER HAND TAKES A DEEP TROUGH ACROSS THE MISS VALLEY BY THURSDAY
NIGHT SPREADING A LONG SWATH OF MODERATE TO HEAVY PRECIP TOWARDS OUR
AREA FROM THE WEST...ARRIVING EARLY FRIDAY.  AS FAR AS TEMPERATURES
ARE CONCERNED...COOLER THAN NORMAL EARLY IN THE WEEK AND NEAR OR
ABOVE NORMAL MID TO LATE WEEK.

THE NEW ECMWF JUST CAME IN AND IT ABOUT A MID POINT COMPROMISE
BETWEEN THE OLD ECMWF AND THE CURRENT GFS.

&&

.AVIATION /15Z FRIDAY THROUGH TUESDAY/...
AT KCLT...A BROKEN LINE OF TSRA WILL AFFECT THE AIRFIELD OVER THE
NEXT HOUR OR SO. HAVE A TEMPO FOR FIRST HOUR OF TAF. BEHIND THE
LINE...MORE MOIST AIR WILL BRING CHC OF RESTRICTIONS. A LOT OF
UNCERTAINTY ON HOW LOW CIGS WILL GET AND FOR HOW LONG. TOOK A BLEND
OF GUIDANCE. ANOTHER ROUND OF TSRA/SHRA WILL AFFECT THE AREA
TONIGHT. HAVE SHRA AND CB MENTION WITH DETERIORATING CONDITIONS
EXPECTED.

ELSEWHERE...SOME IFR STRATUS IS AFFECTING THE UPSTATE TERMINALS AND
MAY CONTINUE FOR A FEW HOURS THIS MORNING BEFORE BREAKING UP INTO A
CU DECK. ALL SITES ARE EXPECTED TO RETURN OR REMAIN VFR THIS AFTN
AHEAD OF ANOTHER ROUND OF TSRA/SHRA APPROACHING FROM THE WEST. THIS
ACTIVITY WILL CROSS THE AREA THIS EVENING AND OVERNIGHT. GOING WITH
SHRA AND CB MENTION WITH DETERIORATING CONDITIONS.  WINDS WILL BE
GENERALLY LIGHT THRU MID MORNING...THEN INCREASE OUT OF THE
SW...WITH SOME GUSTINESS EXPECTED...ESPECIALLY WHERE CLOUDS ERODE
AND ALLOW FOR DEEPER MIXING AND CONTINUE UNTIL THE CONVECTION
ARRIVES.

OUTLOOK...CHANCES FOR SHOWERS/TS AND ASSOCIATED FLIGHT RESTRICTIONS
WILL PERSIST THROUGH SATURDAY MORNING...WITH THE BEST CHANCES BEING
SAT NIGHT. DRY WEATHER WILL RETURN BY THE END OF THE WEEKEND.

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...NONE.
SC...NONE.

&&

SYNOPSIS...DEO
NEAR TERM...NED
SHORT TERM...RB
LONG TERM...DEO
AVIATION...ARK
Hazardous weather outlook, Mar 2, 5:16 AM EST, 6 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
516 AM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-031030-
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-
516 AM EST FRI MAR 2 2012

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED TO NUMEROUS THUNDERSTORMS WILL AFFECT THE REGION TODAY
AND TONIGHT AHEAD OF A STRONG COLD FRONT. THERE IS A GOOD
CHANCE THAT SOME OF THESE STORMS WILL BECOME SEVERE. LARGE HAIL
AND DAMAGING STRAIGHT LINE WINDS WILL BE THE MAIN SEVERE THREAT.
HOWEVER...THERE WILL ALSO BE A THREAT FOR ISOLATED TORNADOES.

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

THE THREAT OF SEVERE STORMS MAY ALSO LINGER INTO SATURDAY...
PARTICULARLY OVER THE CAROLINA PIEDMONT...DEPENDING ON THE SPEED
OF THE COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

NONE.

In the hours before

Special weather statement, Mar 2, 10:03 AM EST, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1003 AM EST FRI MAR 2 2012

NCZ036-056-068>070-504-508-021545-
CATAWBA-CLEVELAND-GASTON-GREATER BURKE-GREATER
RUTHERFORD-IREDELL-LINCOLN-
1003 AM EST FRI MAR 2 2012

...STRONG THUNDERSTORMS WILL AFFECT CATAWBA...LINCOLN...NORTHERN
CLEVELAND...NORTHERN RUTHERFORD...NORTHWESTERN GASTON...SOUTHEASTERN
BURKE AND SOUTHERN IREDELL COUNTIES THROUGH 1045 AM EST...

AT 1002 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTHEAST OF
THERMAL CITY TO 3 MILES SOUTH OF LAWNDALE...MOVING EAST AT 50 MPH.

THESE STORMS WILL BE NEAR...
  POLKVILLE...
  CHERRYVILLE...
  VALE...
  IRON STATION...
  MAIDEN...
  DENVER...

BRIEF HEAVY RAIN...OCCASIONAL LIGHTNING WITH PEA SIZE HAIL ARE
EXPECTED WITH THESE STORMS.

LAT...LON 3531 8153 3549 8212 3553 8198 3554 8185
      3558 8182 3577 8123 3562 8075 3557 8074
      3555 8075

JOH
Special weather statement, Mar 2, 10:49 AM EST, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1049 AM EST FRI MAR 2 2012

NCZ035>037-056-057-502-504-021630-
ALEXANDER-CATAWBA-DAVIE-GREATER BURKE-GREATER CALDWELL-IREDELL-ROWAN-
1049 AM EST FRI MAR 2 2012

...STRONG THUNDERSTORMS WILL AFFECT ALEXANDER...CATAWBA...DAVIE...
EASTERN BURKE...IREDELL...NORTHWESTERN ROWAN AND SOUTHEASTERN
CALDWELL COUNTIES THROUGH 1130 AM EST...

AT 1047 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM GRANITE FALLS TO 4
MILES SOUTHEAST OF CATAWBA...MOVING NORTHEAST AT 65 MPH.

THESE STORMS WILL BE NEAR...
  LAKE HICKORY...
  LOOKOUT SHOALS LAKE...
  ELLENDALE...
  CLEVELAND...
  MOCKSVILLE...
  BERMUDA RUN...

BRIEF HEAVY RAIN...OCCASIONAL LIGHTNING WITH PEA SIZE HAIL ARE
EXPECTED WITH THESE STORMS.

LAT...LON 3588 8041 3585 8039 3558 8103 3578 8162
      3604 8119 3603 8108 3607 8098 3605 8049
      3607 8046 3601 8041 3599 8041 3596 8037
      3593 8036 3589 8036

JOH
Special weather statement, Mar 2, 11:14 AM EST, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1114 AM EST FRI MAR 2 2012

GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065-
068>072-082-501>510-SCZ001>014-019-031200-
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-
INCLUDING THE CITIES OF...CLAYTON...CLARKESVILLE...TOCCOA...
HARTWELL...ELBERTON...NEWLAND...STATESVILLE...MOCKSVILLE...
SPRUCE PINE...CHEROKEE...BRYSON CITY...WAYNESVILLE...ASHEVILLE...
HICKORY...SALISBURY...SYLVA...FRANKLIN...BREVARD...
HENDERSONVILLE...SHELBY...LINCOLNTON...GASTONIA...CHARLOTTE...
CONCORD...MONROE...LENOIR...MORGANTON...MARION...LAKE LURE...
RUTHERFORD...COLUMBUS...GREENVILLE...SPARTANBURG...GAFFNEY...
ROCK HILL...ANDERSON...ABBEVILLE...LAURENS...UNION...CHESTER...
GREENWOOD
1114 AM EST FRI MAR 2 2012

...SEVERE THUNDERSTORMS EXPECTED ACROSS NORTHEAST GEORGIA AND THE
WESTERN CAROLINAS THROUGH TONIGHT...

A WELL ORGANIZED LOW PRESSURE SYSTEM WILL TRACK FROM THE MID
MISSISSIPPI RIVER VALLEY THIS AFTERNOON TO THE GREAT LAKES REGION
BY THIS EVENING. THE WARM FRONT ASSOCIATED WITH THE LOW WILL LIFT
NORTHWARD ACROSS THE SOUTHERN APPALACHIAN REGION TODAY...MOVING
NORTH OF THE REGION BY LATE THIS AFTERNOON. AS THE WARM FRONT
ADVANCES...SOUTHWEST WINDS WILL INCREASE ACROSS THE REGION...BRINGING
VERY MILD AND MOIST AIR ACROSS NORTHEAST GEORGIA AND THE WESTERN
CAROLINAS. CONDITIONS ACROSS THE REGION WILL BECOME INCREASINGLY
UNSTABLE THIS AFTERNOON...ESPECIALLY ACROSS THE WESTERN NORTH
CAROLINA MOUNTAINS EAST ACROSS THE UPPER SAVANNAH RIVER VALLEY.
NUMEROUS TO SCATTERED THUNDERSTORMS ARE FORECAST TO DEVELOP
THROUGH THE AFTERNOON HOURS...WITH THE GREATEST COVERAGE EXPECTED
ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS. A FEW OF THESE STORMS MAY
PRODUCE LARGE HAIL ALONG WITH DAMAGING WIND GUSTS.

DURING THE EVENING...BANDS OF ORGANIZED THUNDERSTORMS ARE FORECAST
TO DEVELOP ACROSS EASTERN TENNESSEE AND NORTHERN GEORGIA AHEAD OF
AN APPROACHING SHARP COLD FRONT. THESE STORMS WILL DEVELOP IN AN
ENVIRONMENT THAT WILL LIKELY SUPPORT STRONG ROTATING THUNDERSTORMS
UPDRAFTS...OR SUPERCELL THUNDERSTORMS. ONCE THESE BANDS OF STORMS
DEVELOP...THE STEERING WINDS WILL CARRY THESE STORMS INTO WESTERN
NORTH CAROLINA...EXTREME NORTHEAST GEORGIA...AND THE UPSTATE OF
SOUTH CAROLINA THIS EVENING. THESE STORMS WILL LIKELY PRODUCE
LARGE HAIL...SEVERE WIND GUSTS...AND THE RISK OF TORNADOES.

AFTER MIDNIGHT THROUGH SUNRISE...THUNDERSTORMS SHOULD BECOME
INCREASING ORIENTED ALONG THE COLD FRONT. THE STORM STRUCTURE IS
EXPECTED TO ORGANIZE INTO LINES...ESPECIALLY ALONG AND EAST OF THE
INTERSTATE 85 CORRIDOR. THESE STORMS WILL MOVE QUICKLY EAST AND
MAY PRODUCE SWATHS OF DAMAGING WINDS...MARGINALLY SEVERE
HAIL...AND POSSIBLY A BRIEF TORNADO. THE SEVERE THREAT WILL COME
TO AN END AS THE FRONT SWEEPS EAST OF THE REGION AROUND SUNRISE.

NED
Special weather statement, Mar 2, 11:16 AM EST, 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1116 AM EST FRI MAR 2 2012

NCZ036-037-057-021700-
DAVIE-IREDELL-ROWAN-
1116 AM EST FRI MAR 2 2012

...A STRONG THUNDERSTORM WILL AFFECT DAVIE...EASTERN IREDELL AND
NORTHWESTERN ROWAN COUNTIES THROUGH NOON EST...

AT 1114 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES EAST OF STATESVILLE...MOVING NORTHEAST AT
50 MPH.

THIS STORM WILL BE NEAR...
  HARMONY...
  COOLEEMEE...
  MOCKSVILLE...
  FARMINGTON...
  ADVANCE...

BRIEF HEAVY RAIN WITH DIME SIZE HAIL ARE EXPECTED WITH THIS STORM.

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 3588 8041 3585 8038 3582 8047 3577 8046
      3570 8072 3585 8092 3606 8065 3605 8049
      3607 8046 3601 8041 3599 8041 3596 8037
      3589 8036

JOH
Local storm report, Mar 2, 11:18 AM EST, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1118 AM EST FRI MAR 02 2012

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

1115 AM     HAIL             STATESVILLE             35.79N 80.89W
03/02/2012  E0.75 INCH       IREDELL            NC   TRAINED SPOTTER

&&

LGABRIC
Local storm report, Mar 2, 11:20 AM EST, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1120 AM EST FRI MAR 02 2012

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

1116 AM     HAIL             2 E STATESVILLE         35.79N 80.85W
03/02/2012  E0.75 INCH       IREDELL            NC   TRAINED SPOTTER

&&

LGABRIC

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:43 AM ESTSpecial Weather StatementGSPGaston32 min
Mar 2, 8:02 AM ESTSpecial Weather StatementGSPUnion43 min
Mar 2, 8:52 AM ESTSpecial Weather StatementGSPGaston38 min
Mar 2, 9:36 AM ESTSpecial Weather StatementGSPUnion39 min
Mar 2, 9:38 AM ESTSpecial Weather StatementGSPUnion52 min
Mar 2, 10:03 AM ESTSpecial Weather StatementGSPCatawba, Cleveland, Lincoln42 min
Mar 2, 10:49 AM ESTSpecial Weather StatementGSPAlexander, Catawba, Davie, Iredell41 min
Mar 2, 11:16 AM ESTSpecial Weather StatementGSPDavie44 min
Mar 2, 1:09 PM ESTSpecial Weather StatementGSPGraham36 min
Mar 2, 1:38 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 2:29 PM ESTTornado WarningGSPGraham, Swain52 min
Mar 2, 3:14 PM ESTSevere Thunderstorm WarningGSPBuncombe, Haywood, Madison23 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.