Alert archive / North Carolina / Special Weather Statements in 2012
Special Weather Statement, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this special weather statement at Mar 31, 2012, 7:22 PM EDT for Cabarrus County, North Carolina. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 31, 2012, 7:22 PM EDT (23:22 UTC)
- Expired
- Mar 31, 2012, 7:45 PM EDT
- In force
- 23 min
- Issued by
- NWS Greenville-Spartanburg, SC
County Cabarrus County, NC
The radar
The Greer radar (KGSP), 163 km from the middle of the area, began a volume at 23:23 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.4 hours before the alert went out and 99 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.
- Mixed-layer CAPE
- 66 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Mar 31, 5:49 PM EDT, 1 hour 33 minutes earlier.
Area forecast discussion, Mar 31, 5:49 PM EDT, 1 hour 33 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 549 PM EDT SAT MAR 31 2012 .SYNOPSIS... A SERIES OF UPPER LEVEL DISTURBANCES AHEAD OF A COLD FRONT WILL MOVE ACROSS THE CAROLINAS...REACHING THE COAST ON SUNDAY. DRIER AIR WILL THEN MOVE IN AND REMAIN IN PLACE THROUGH THE MIDDLE OF THE WEEK WHEN ANOTHER NORTHERN GULF WEATHER DISTURBANCE ENTERS THE PICTURE. && .NEAR TERM /THROUGH SUNDAY/... AS OF 530 PM...PLENTY OF INSTBY ACRS THE CWFA...AND SCATTERED CONVECTION DEVELOPING ATTM. WITH STEEP MID LVL LAPSE RATES AND DCAPE OVER 1000 J/KG ACRS THE PIEDMONT...A FEW SVR STORMS POSSIBLE INTO EARLY EVENING. UPDATED THE POPS TO RELFECT RADAR TRENDS. OVERALL...HIGH-RES MODELS SEEM TO FAVOR THE UPSTATE FOR CONTINUED CONVECTION TILL ABOUT MIDNIGHT...WHILE ISOLD CONVECTION WANES ACRS THE REST OF THE AREA AFTER SUNSET. OTHERWISE...NO OTHER CHANGES WITH THIS UPDATE. AT 230 PM EDT SATURDAY...A MID LEVEL SHORTWAVE WILL APPROACH FORM THE NW THIS AFTERNOON...DRIVING A COLD FRONT ACROSS OUR AREA. THIS FRONT AND INCREASING INSTABILITY AHEAD OF TI WILL SUPPORT THE DEVELOPMENT OF SCATTERED THUNDERSTORMS...EVEN IN A NW FLOW WITH DRYING BELOW 850 MB IN THE WAKE OF AN EXITING SYSTEM. NAM CAPE EXCEEDS 1000 J/KG IN THE UPPER SAVANNAH RIVER VALLEY...AND UP TO 1000 J/KG APPEARS IN THE NC MOUNTAINS AND PIEDMONT. ENOUGH VERTICAL SPEED SHEAR IS PRESENT TO SUPPORT ORGANIZED CONVECTION...AND A FEW THUNDERSTORMS MAY BE SEVERE...WITH LARGE HAIL OR DAMAGING WIND. THE FRONT EXITS OUR AREA THIS EVENING. MODEL GUIDANCE SUPPORTS FOG BY DAYBREAK ACROSS MOST OF THE AREA...BUT NO MORE THAN PATCHY DENSE FOG IS SUPPORTED AT THIS TIME. MINIMUM TEMPERATURES WILL BE AROUND 10 DEGREES ABOVE NORMAL AS AN UPPER TROUGH AXIS PROGRESSES AWAY FROM OUR AREA...LEADING TO RISING HEIGHTS ALOFT. ON SUNDAY A WEAK UPPER IMPULSE MOVES SOUTHEAST ACROSS OUR AREA THROUGH THE DEPARTING TROUGH...AN MODEL TIME HEIGHTS SHOWS SOME BRIEF MOISTURE AT 850 MB WITH THIS FEATURE...WHILE MODEL SOUNDINGS SHOW CAPE OF SEVERAL HUNDRED J/KG. MODEL GUIDANCE IS NOT VERY SUPPORTIVE OF PRECIPITATION AT THIS TIME...WITH THE MAV CARRYING SLIGHT CHANCE POPS...AND THE NAM ONLY SINGLE DIGITS. MAXIMUM TEMPERATURE WILL BE NEAR MID MAY NORMALS. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... AS OF 225 PM SATURDAY...THIS PERIOD BEGINS WITH NW FLOW ON THE WESTERN PERIPHERY OF A TROUGH AND EASTERN PORTION OF A MISS VALLEY RIDGE. MODELS SHOW A SHORTWAVE MOVING SE FROM GREAT LAKES SUNDAY AND OFF THE JERSEY COAST EARLY MONDAY. DISSIPATING ENERGY WILL LEAVE SOME CLOUDINESS OVER NC MOUNTAINS MONDAY. THE DOWNSLOPE FLOW WILL RESULT IN RECORD HIGH TEMPERATURES FOR CLT AND GSP IF THE FORECAST HOLDS. MOUNTAIN HIGH TEMPS SHOULD BE A FEW DEGREES BELOW THE RECORD AT AVL OF 87 DEGREES...BUT HIGHS IN THE UPPER 80S WOULD BREAK THE RECORD OF 84 AT GSP AND THE 86 RECORD AT CLT. THE RIDGE WILL BE MORE CENTERED OVER OUR REGION ON TUESDAY...BUT NO LONGER A WARMING DOWNSLOPE FACTOR. HIGHS ON TUESDAY SHOULD CERTAINLY BE A FEW DEGREES BELOW RECORDS OF 87 AT GSP AND 90 AT CLT. CLOUDINESS WILL BE INCREASING ON TUESDAY AS WE WILL HAVE A FRONT MOVING SOUTH FROM THE OHIO VALLEY AND A FRONT MOVING EAST ACROSS THE GULF STATES AHEAD OF THE ASSOCIATED SURFACE LOW. GFS HAS CAPES IN THE 1500 TO 1600 RANGE LATE TUESDAY AFTERNOON ACROSS NE GA AND UPSTATE AND NOSING INTO THE SHELBY AND GASTON AREA OF NC. CONVECTION WILL BE SCATTERED LATE TUESDAY. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... AS OF 2 PM SATURDAY...THE MEDIUM RANGE MODELS CONTINUE TO TREND SLOWER ON THE PROGRESS OF THE CUT OFF UPPER LOW MOVING IN FROM THE WEST. THE GFS AND ECMWF ARE IN BETTER AGREEMENT AS OPPOSED TO FRIDAY WHEN THOSE WERE EXTREMELY DIFFERENT BY DAY 7. AT 00Z WED...BOTH HAVE THE LOW GENERALLY OVER THE TEXAS PANHANDLE. THE GFS HAS IT MOVING FARTHER NORTH AND OPENING IT UP BY 00Z FRIDAY AS THE WAVE MOVES SE TOWARD OUR REGION FROM KENTUCKY. THE ECMWF MAINTAINS A CUT OFF LOW FROM OKLAHOMA TO REACH SAVANNAH GA AT 06Z SATURDAY. THERE ARE VARIOUS SMALL SCALE FEATURES THAT MOVE THROUGH THE FLOW OUT AHEAD OF THIS MAIN FEATURE WHICH AFFECTS OUR WEATHER IN MID TO LATE WEEK. HPC WENT CLOSER WITH THE GFS SOLUTION AND THAT ONE HAS MORE OF A DOMINANT SURFACE HIGH CENTERED EASTERN GREAT LAKES / PA FRIDAY NIGHT AND SATURDAY. THE ECMWF HAS THE CUT OFF LOW BECOMING ALMOST STATIONARY FRIDAY NIGHT AND SATURDAY NEAR SAVANNAH. THIS BEING DISCOUNTED...WE SHOULD HAVE DRYING CONDITIONS NEXT WEEKEND...UNTIL THE NEXT SYSTEM REACHES OUR AREA FROM THE WEST. THAT NEXT SYSTEM APPEARS DELAYED UNTIL SOMETIME THE FOLLOWING WEEK. GOING WITH BEST CONVECTION FROM LATE WEDNESDAY THROUGH THURSDAY. INSTABILITY NOT OVERLY IMPRESSIVE THROUGH THE PERIOD AND SHEAR VALUES LESS THAN PREVIOUS RUNS. TEMPERATURES ABOVE NORMAL MID WEEK AND CLOSE TO NORMAL BY WEEKEND. && .AVIATION /22Z SATURDAY THROUGH THURSDAY/... AT KCLT...LOW CLOUDS SHOULD DIMINISH THIS AFTERNOON WITH DRYING IN A WESTERLY FLOW. ANOTHER ROUND OF LOW CLOUDS ARE EXPECTED WITH A FRONT MOVING IN FROM THE WEST LATE THIS AFTERNOON...BUT WITHOUT RESTRICTIONS. CONVECTIVE CHANCES ALONG THE FRONT ARE TOO LOW TO MENTION MORE THAN CB. GUIDANCE LIKES VERY LOW CLOUD HEIGHTS AND FOG AROUND DAYBREAK SUNDAY...BUT CLOUDS AMOUNT IS EXPECTED TO BE INSUFFICIENT FOR A CIG. IFR VSBY IN FOG LOOKS MORE PROBABLE. VFR RETURNS BY MID SUNDAY MORNING.WINDS VEER FROM WNW TODAY...TO NE LATE TONIGHT. ELSEWHERE...A BAND OF SCATTERED LOW CLOUDS IS EXPECTED WILL SWEEP SOUTHEAST ACROSS THE AREA WITH A COLD FRONT THIS AFTERNOON. THUNDERSTORMS ALONG THIS FRONT WILL BE TOO SCATTERED TO MENTION ANYTHING MORE THAN CB.WESTERLY WINDS WILL VEER TO NW TONIGHT AND NE ON ENE SUNDAY MORNING. THE LOW END OF GUIDANCE CONSENSUS SUPPORTS VERY LOW CLOUDS AND FOG TOWARD DAYBREAK SUNDAY...WITH MVFR VSBY... EXCEPT LIFR AT KHKY. CLOUD COVER IS NOT EXPECTED TO BE GREAT ENOUGH FOR CIGS HOWEVER. VFR RETURNS BY MID SUNDAY MORNING. OUTLOOK...DRY WEATHER IS EXPECTED SUNDAY NIGHT AND MONDAY. ANOTHER SYSTEM WILL SPREAD SHRA AND TSTMS INTO THE REGION TUE AND WED. IT LOOKS AS THOUGH THE SYSTEM WILL HAVE PLENTY OF MOISTURE AND RESTRICTIVE CIGS AND VSBYS ARE POSSIBLE...ESPECIALLY AT NIGHT. 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...PAT NEAR TERM...ARK/JAT SHORT TERM...DEO LONG TERM...DEO AVIATION...JAT
Hazardous weather outlook, Mar 31, 6:02 AM EDT, 13 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 602 AM EDT SAT MAR 31 2012 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-011015- 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- 602 AM EDT SAT MAR 31 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. AN UPPER LOW WILL CROSS THE REGION THIS AFTERNOON...TRIGGERING SCATTERED SHOWERS AND THUNDERSTORMS. A FEW OF THE THUNDERSTORMS MAY BE SEVERE...PRODUCING HAIL TO THE SIZE OF QUARTERS AND DAMAGING STRAIGHT LINE WINDS. THE BEST CHANCE OF A SEVERE STORM WILL BE OVER THE NORTH CAROLINA MOUNTAINS...AS WELL AS ACROSS THE PIEDMONT OF NORTH AND SOUTH CAROLINA AND NORTHEAST GEORGIA. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE.
In the hours before
Local storm report, Mar 31, 6:13 PM EDT, 1 hour 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
613 PM EDT SAT MAR 31 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0607 PM HAIL 5 S CAESARS HEAD 35.03N 82.63W
03/31/2012 M1.00 INCH PICKENS SC AMATEUR RADIO
&&
CSHLocal storm report, Mar 31, 6:26 PM EDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
626 PM EDT SAT MAR 31 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0604 PM HAIL 5 WNW GREENVILLE 34.88N 82.45W
03/31/2012 M1.25 INCH GREENVILLE SC PUBLIC
PITTMAN CIRCLE...NW SIDE OF GREENVILLE.
&&
CSHLocal storm report, Mar 31, 6:28 PM EDT, 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
628 PM EDT SAT MAR 31 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0616 PM HAIL 4 WSW GREENVILLE 34.83N 82.43W
03/31/2012 E0.75 INCH GREENVILLE SC AMATEUR RADIO
WASHINGTON AVE
&&
CSHLocal storm report, Mar 31, 6:31 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
631 PM EDT SAT MAR 31 2012
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0556 PM HAIL 4 SSE GREER 34.89N 82.20W
03/31/2012 E0.75 INCH SPARTANBURG SC NWS EMPLOYEE
MARBLE TO DIME SIZED HAIL FELL AT THE GREENVILLE
SPARTANBURG AIRPORT FOR ABOUT 3 MINUTES.
0602 PM HAIL 5 S TRAVELERS REST 34.90N 82.45W
03/31/2012 E0.75 INCH GREENVILLE SC TRAINED SPOTTER
PEA TO PENNY SIZED HAIL FELL ABOUT 1 MILE SOUTH OF THE
FURMAN UNIVERSITY WEST GATE. HAIL COVERED THE GROUND.
0605 PM HAIL 5 NW GREENVILLE 34.89N 82.43W
03/31/2012 E1.00 INCH GREENVILLE SC TRAINED SPOTTER
QUARTER SIZED HAIL REPORTED BY SPOTTER AT INTERSECTION OF
HIGHWAY 183 AND HIGHWAY 25 WHITE HORSE ROAD.
0607 PM HAIL 3 N GREENVILLE 34.88N 82.37W
03/31/2012 E1.00 INCH GREENVILLE SC TRAINED SPOTTER
QUARTER SIZED HAIL REPORTED BY SPOTTER NEAR CHEERYDALE
POINT.
&&
OUTLAWSpecial weather statement, Mar 31, 6:41 PM EDT, 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
641 PM EDT SAT MAR 31 2012
GAZ018-026-028-SCZ001-004-312330-
FRANKLIN-GREATER OCONEE-HART-OCONEE MOUNTAINS-STEPHENS-
641 PM EDT SAT MAR 31 2012
...A STRONG THUNDERSTORM WILL AFFECT EASTERN STEPHENS...HART...
NORTHEASTERN FRANKLIN AND SOUTHWESTERN OCONEE COUNTIES THROUGH 730 PM
EDT...
AT 639 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 3 MILES WEST OF WESTMINSTER...OR 9 MILES
SOUTHWEST OF WALHALLA...MOVING SOUTHEAST AT 30 MPH.
THIS STORM WILL BE NEAR...
LAKE HARTWELL...
MARTIN...
WHITWORTH...
LAVONIA...
LAVONIA...
REED CREEK...
MOTHBALL SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH
THIS STORM.
LAT...LON 3470 8329 3477 8309 3453 8294 3448 8299
3448 8291 3431 8280 3423 8304 3422 8308
RBSpecial weather statement, Mar 31, 7:22 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
722 PM EDT SAT MAR 31 2012
NCZ057-072-312345-
CABARRUS-ROWAN-
722 PM EDT SAT MAR 31 2012
...A STRONG THUNDERSTORM WILL AFFECT CABARRUS AND SOUTHWESTERN ROWAN
COUNTIES THROUGH 745 PM EDT...
AT 719 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR KANNAPOLIS...OR 6 MILES NORTH OF CONCORD...
MOVING SOUTHEAST AT 25 MPH.
THIS STORM WILL BE NEAR...
CONCORD...
MOUNT PLEASANT...
LAT...LON 3533 8041 3530 8042 3520 8053 3521 8056
3523 8059 3550 8077 3560 8059 3537 8037
RBThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 8:13 PM EDT | Special Weather Statement | GSP | Cabarrus | 32 min |
| Mar 31, 1:49 PM EDT | Special Weather Statement | GSP | Davie | 41 min |
| Mar 31, 5:18 PM EDT | Special Weather Statement | GSP | Henderson | 27 min |
| Mar 31, 4:56 PM EDT | Special Weather Statement | GSP | Greenville | 34 min |
| Mar 31, 4:59 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Pickens, Spartanburg | 61 min |
| Mar 31, 5:33 PM EDT | Special Weather Statement | GSP | Pickens | 27 min |
| Mar 31, 5:45 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Laurens, Pickens, Spartanburg | 60 min |
| Mar 31, 5:46 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Oconee, Pickens | 26 min |
| Mar 31, 6:01 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville, Pickens | 59 min |
| Mar 31, 6:40 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenville, Greenwood, Laurens | 65 min |
| Mar 31, 7:01 PM EDT | Severe Thunderstorm Warning | GSP | Anderson, Greenville | 29 min |
| Mar 31, 7:03 PM EDT | Areal Flood Advisory | GSP | Greenville | 117 min |
| Mar 31, 7:42 PM EDT | Severe Thunderstorm Warning | GSP | Abbeville, Anderson, Greenville, Greenwood, Laurens | 63 min |
| Mar 31, 7:50 PM EDT | Special Weather Statement | GSP | Cherokee | 25 min |
| Mar 31, 6:41 PM EDT | Special Weather Statement | GSP | Hart | 49 min |
Nearby
Special Weather Statements in North Carolina, 2012Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.