Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 31, 2011, 1:06 AM EDT for Mecklenburg County, North Carolina. It was in force for 107 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
- Jul 31, 2011, 1:06 AM EDT (05:06 UTC)
- Expired
- Jul 31, 2011, 2:53 AM EDT
- In force
- 107 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
County Mecklenburg County, NC
The radar
The Greer radar (KGSP), 140 km from the middle of the area, began a volume at 05:07 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood 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 00:00Z, 5.1 hours before the alert went out and 123 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
- 635 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 1928 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
380
WGUS52 KGSP 310506
FFWGSP
NCC119-310800-
/O.NEW.KGSP.FF.W.0016.110731T0506Z-110731T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
106 AM EDT SUN JUL 31 2011
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH
CAROLINA...
* UNTIL 400 AM EDT
* AT 105 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. THE AUTOMATED RAIN GAGE AT HIDDEN VALLEY ELEMENTARY
HAS REPORTED NEARLY 2 INCHES OF RAIN AND THIS WILL LIKELY RESULT
IN FLOODING ALONG LITTLE SUGAR CREEK. FLOODING MAY ALSO DEVELOP
ALONG MCMULLEN CREEK AND THE EASTSIDE OF CHARLOTTE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CENTER CITY CHARLOTTE...UNC CHARLOTTE...EASTLAND MALL...I-77 AT
I-85...MATTHEWS...MINT HILL...PINEVILLE AND SOUTHPARK MALL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
&&
LAT...LON 3512 8066 3501 8084 3511 8093 3531 8087
3535 8070 3533 8068 3527 8067 3523 8059
$$2 follow-up statements
535
WGUS72 KGSP 310605
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
205 AM EDT SUN JUL 31 2011
NCC119-310800-
/O.CON.KGSP.FF.W.0016.000000T0000Z-110731T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
205 AM EDT SUN JUL 31 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MECKLENBURG
COUNTY UNTIL 400 AM EDT...
AT 202 AM EDT...RAINFALL WAS CONTINUING TO WIND DOWN ACROSS THE
WARNED AREA...BUT AFTER A LOCALIZED TWO TO TWO AND ONE HALF INCH
RAINFALL ACROSS SOUTHEAST MECKLENBURG COUNTY...STREAM LEVELS
CONTINUED TO RISE. AREAS OF FLOODING ARE EXPECTED TO DEVELOP ACROSS
THE IRWIN...LITTLE SUGAR...BRIAR...MCMULLEN AND MCALPINE CREEK
BASINS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
&&
LAT...LON 3512 8066 3501 8084 3511 8093 3531 8087
3535 8070 3533 8068 3527 8067 3523 8059
$$
CSH753
WGUS72 KGSP 310653
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
253 AM EDT SUN JUL 31 2011
NCC119-310706-
/O.CAN.KGSP.FF.W.0016.000000T0000Z-110731T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MECKLENBURG NC-
253 AM EDT SUN JUL 31 2011
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN
MECKLENBURG COUNTY IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE CRESTED AND WILL RECEDE DURING
THE REMAINDER OF TONIGHT...ENDING THE FLOOD THREAT. IF FLOODING HAS
BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT
AGENCY.
LAT...LON 3512 8066 3501 8084 3511 8093 3531 8087
3535 8070 3533 8068 3527 8067 3523 8059
$$What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 30, 10:22 PM EDT, 2 hours 44 minutes earlier.
Area forecast discussion, Jul 30, 10:22 PM EDT, 2 hours 44 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1022 PM EDT SAT JUL 30 2011 .SYNOPSIS... A WEAK COLD FRONT WILL MOVE INTO THE AREA FROM THE NORTH SUNDAY...THEN GRADUALLY DISSIPATE ACROSS SOUTH GEORGIA AND THE CAROLINA COAST ON MONDAY. HIGH PRESSURE WILL BUILD OVER THE REGION ON TUESDAY AND WEDNESDAY. ANOTHER WEAK COLD FRONT WILL APPROACH THE SOUTHERN APPALACHIAN REGION LATE NEXT WEEK. && .NEAR TERM /THROUGH SUNDAY/... AS OF 1025 PM SAT...OUTFLOW BNDRY MOVING INTO THE FA FROM THE NORTH IS MERGING WITH OLD BNDRYS LAID DOWN BY EARLIER STORMS AND YIELDING QUITE A FEW SHRA AND TSTMS OVER THE NRN NC FOOTHILLS AND WESTERN PIEDMONT. THIS ACTIVITY SHOULD CONTINUE FOR A FEW MORE HOURS...ESPECIALLY DOWN ACROSS THE I-77 CORRIDOR WHERE THE GREATEST INSTABILITY IS LOCATED AND WHERE MOST OF THE OUTFLOW MERGERS WILL BE. POPS HAVE BEEN RAISED INTO THE LIKELY RANGE ACROSS THIS AREA. THE LATEST RUC IS ALSO INDICATING A WELL DEFINED H5 CONVECTIVELY INDUCED VORT SLOWLY CROSSING THE REGION WHICH IS LIKELY HELPING IMPART A LITTLE SYNOPTIC SCALE FORCING ON THE CONVECTION. AREAS THAT SEE RAINFALL COULD FOG UP LATER TONIGHT...BUT A SOLID AC/CS DECK IS ALSO ENVELOPING THE REGION...SO WIDESPREAD DENSE FOG STILL LOOKS UNLIKELY. AS OF 755 PM SAT...CONVECTION OVER THE WRN PART OF THE UPSTATE...NE GA AND THE SW NC MTNS HAS DISSIPATED. POPS IN THESE AREAS HAVE BEEN LOWERED TO 20 PERCENT OR LESS. HEALTHY CHANCE POPS CONTINUE OVER MOST OF THE REST OF WRN NC AND THE NE PART OF THE UPSTATE. THE AIRMASS IN THESE AREAS REMAINS RATHER UPSTATE. AS LAYER RH/S GRADUALLY INCREASE AND AS OUTFLOW BNDRYS CONTINUE TO ENTER THE REGION FROM THE SOUTH AND WEST...SCT SHRA/TSTMS WILL CONTINUE FOR A FEW MORE HOURS. LOOKS LIKE QUITE A BIT OF MID AND HIGH LEVEL CLOUD COVER OVERNIGHT AND SKY COVER HAS BEEN INCREASED TO ACCOUNT FOR THIS. I/LL KEEP AN EYE ON DIURNAL TRENDS...BUT CLOUD COVER WILL HOLD UP MIN TEMPS IN SPOTS AS WELL. AS OF 515 PM SAT...AN OUTFLOW BNDRY HAS MOVED INTO NE GA AND THE SW NC MTNS. THIS IS HELPING TO CONCENTRATE SHOWER AND THUNDERSTORM ACTIVITY OVER THE SAVANNAH RIVER VALLEY. THE WEAK SHEAR AND WARM MID LEVEL TEMPS AREN/T ALLOWING FOR MUCH UPSCALE DEVELOPMENT...BUT THIS MORE CONCENTRATED AREA OF CONVECTION SHOULD CONTINUE TO DRIFT TO THE EAST OVER THE NEXT 2 TO 4 HOURS. I/VE ADDED LIKELY POPS ALONG AND AHEAD OF THE LINE. I/VE ALSO TRIMMED POPS FOR THE NEXT COUPLE HOURS OVER THE NC FOOTHILLS AND PIEDMONT. STORMS MAY INCREASE IN THESE AREAS LATER IN THE EVENING AS LLVL CONVERGENCE STRENGTHENS ACROSS THE FOOTHILLS AS A LEE TROUGH ADVANCES TO THE EAST /SEE THE NAM12 925MB MASS FIELDS/. THEREFORE I HAVE THE POPS INCREASING OVER THE NE ZONES LATER IN THE EVENING. ALSO OF NOTE...CHARLOTTE BROKE A RECORD HIGH TODAY HITTING 101 DEGREES. PREVIOUS DISCUSSION... UPPER RIDGE WILL CONTINUE TO SLIDE E AND WEAKEN OVER THE REGION TONIGHT AND SUN...ALLOWING A WEAK SURFACE BOUNDARY AND A SERIES OF WEAK SHORTWAVES ALOFT TO PUSH THRU THE AREA. WITH TEMPS WARMING INTO THE MID TO UPPER 90S E OF THE MTNS AND DEW POINTS STAYING IN THE UPPER 60S TO AROUND 70...HEAT INDEX VALUES NEAR 105 WILL LIKELY BE REACHED ALONG THE SE TIER OF COUNTIES AND A HEAT ADVSRY IS IN PLACE FOR THAT AREA. DID EXPAND AREA SLIGHTLY TO COVER ROCK HILL...CHARLOTTE AND STATESVILLE. SOUNDINGS SHOW AREA NOT AS CAPPED AS IN PREV DAYS SO SHWRS AND TSTMS WILL CONTINUE TO DEVELOP OVER THE MTNS AND PUSH SE...WITH SCT CONVECTION DEVELOPING AND SPREADING OVER THE PIEDMONT THRU THE AFTN AND EARLY EVE. CONVECTION WILL TAPER OFF WITH COOLING BUT WITH WEAK UPPER FORCING OVERNIGHT...WE HELD ON TO LOW END CHC POPS THRU THE NIGHT. WITH THE SFC BOUNDARY CONTINUING TO MOVE THRU THE CWA AND WEAK UPPER LEVEL DIVERGENCE OVER THE AREA SUN...LIKELY POPS WERE CARRIED FOR SUN AFTN. WITH THE ATMOS FAIRLY WELL SATURATED THRU THE COLUMN AND PWATS OF OVER 2 INCHES...WENT WITH MODERATE SHWRS SUN AFTN. NOT SEEING ANY PARTICULAR THREAT AREA BUT SCT DRAINAGE PROBLEMS COULD OCCUR IN AREAS WHERE CELLS TRAIN. DUE TO CLOUD COVER AND PRECIP TEMPS SHOULD BE ABOUT 6-8 DEG COOLER SUN AFTN. && .SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY/... AS OF 155 PM SATURDAY...A GENERAL WEAKNESS IN THE RIDGE WILL CONTINUE AND THE UPPER LEVEL FLOW REMAINS DIVERGENT MON AS AN ILL DEFINED SFC TROF SLOWLY SHIFTS SOUTH ACROSS THE CWFA. THERE IS GOOD AGREEMENT IN THE OP MODELS WITH TIMING AND DEEPNESS OF MOISTURE AND SUBSIDENCE DEVELOPING DOWN TO H7 THROUGHOUT THE DAY. WEAK E/LY SFC/H85 FLOW WILL GENERATE SOME MEASURE OF TOPO LIFT ACROSS THE ERN FACING SLOPES WHILE THE SFC TROF FOCUSES CONVERGENCE PRECIP ACTIVITY ACROSS THE PIEDMONT REGIONS. HIGH END CHANCE POPS WILL COVER THIS SCENARIO THROUGH EARLY MORNING MON WITH DECREASING POPS TO SLIGHT/CHANCE N/S BY THE AFTERNOON. KEPT POPS A LITTLE MORE ACTIVE ACROSS THE NC SRN/CNT MTNS MON AFTERNOON TO ACCOUNT FOR INSTABILITY DEVELOPING IN THE WAKE OF THE DEEPER MOISTURE. THUNDERSTORMS SHOULDN/T BECOME TOO STRONG IN THE AFTERNOON...WITH SKINNY SBCAPE AND A DECENT CI DECK ROUNDING THE RIDGE....BUT THERE IS A POSSIBILITY OF DIFFERENTIAL HEATING CLOSE TO THE SFC CONV ZONE SETTING OFF A FEW TALLER AND STRONGER STORMS. MAX TEMPS WERE KEPT RIGHT AROUND NORMAL AND FOLLOWED THE MORE CONSISTENT METMOS GUIDANCE. THE MAV IS ABOUT 10 DEGREES WARMER THAN THE MET AND NO GOOD REASON COULD BE FOUND IN THE DYNAMIC MODELS TO SUPPORT IT/S OUTPUT. ALSO...THE 09Z SREF SIDED CLOSELY WITH THE COOLER MET. MOISTURE LEVELS WILL CONTINUE TO WANE FAIRLY QUICKLY MON NIGHT AS DEEPER SUBSIDENCE MOVES IN AND THE MID/UPPER HEIGHT GRADIENT TIGHTENS AND BECOMES DISTINCTLY N/LY. THIS ALONG WITH A 1015 MB HIGH CENTERING OVER THE REGION...WILL ALLOW DEEP DRYING. SO...NO POPS ARE WARRANTED AND MAX TEMPS WILL REBOUND TO ABOUT 10 DEGREES ABOVE NORMAL. GOOD AFTERNOON MIXING WILL LOWER SFC TD/S AND OFFSET ANY HEAT ADVISORY CONCERNS. && .LONG TERM /TUESDAY NIGHT THROUGH SATURDAY/... AS OF NOON SATURDAY...THE GLOBAL MODELS REMAIN IN QUITE GOOD AGREEMENT ON THE OVERALL PATTERN ACROSS THE CONUS THROUGH THE MEDIUM RANGE. EXPECT THE PATTERN TO REMAIN HIGHLY AMPLIFIED...WITH A MAJOR SUBTROPICAL HIGH DOMINATING THE CENTRAL PORTION OF THE COUNTRY. THE PERIOD WILL START OFF RELATIVELY DRY...AS CONVECTION TUE EVENING INTO WEDNESDAY SHOULD REMAIN ISOLATED AT BEST UNDER THE INFLUENCE OF AN UNSEASONABLY DRY AIRMASS. HOWEVER...AS A SIGNIFICANT STORM SYSTEM MOVES ACROSS THE NORTHEAST CONUS AND THE CANADIAN MARITIMES WEDNESDAY...A FRONTAL BOUNDARY WILL SAG INTO THE SOUTHEAST FOR THE LATTER PART OF THE WEEK. AT FIRST... IT DOESNT APPEAR THERE WILL BE A GREAT DEAL OF MOISTURE FOR THIS FEATURE TO WORK WITH. HOWEVER...THE ECMWF/GFS SUGGEST THAT THE BERMUDA HIGH WILL MAKE A COMEBACK BY THURSDAY OR SO...ALLOWING CHANCES FOR DIURNAL CONVECTION TO INCREASE. MAX TEMPS EARLY IN THE PERIOD WILL REMAIN AS MUCH AS A COUPLE OF CATEGORIES ABOVE NORMAL...WITH MIN TEMPS AVERAGING AROUND NORMAL IN THE DRIER AIR. BY THE END OF THE WEEK...MAX TEMPS WILL DECREASE A BIT AND MINS INCREASE A BIT AS MOISTURE/CONVECTIVE COVERAGE INCREASES. && .AVIATION /03Z SUNDAY THROUGH THURSDAY/... AT KCLT AND ELSEWHERE...AN OUTFLOW BNDRY WILL HAVE PUSHED THROUGH ALL THE UPSTATE TAF SITES BY 00 UTC. THIS SHOULD KEEP CONVECTION OUT OF THESE AREAS FOR SEVERAL MORE HOURS...AND PROBABLY THE REST OF THE NIGHT. ALL OF THE NC SITES WILL HAVE TO CONTEND WITH SCT SHRA/TSTMS THE NEXT SEVERAL HOURS. THE STORMS ARE SCATTERED ENUF THAT ONLY CB/S HAVE BEEN ADDED TO THE TAF. HOPEFULLY THE CONVECTION WILL END BETWEEN 2 AND 4 UTC. MVFR FOG AND HAZE IS POSSIBLE LATE TONIGHT...THOUGH HIGH CLOUDS SHOULD KEEP VSBYS FROM GETTING TOO LOW. IN FACT...IFR FOG HAS BEEN REMOVED FROM KAVL FOR THIS REASON. WINDS WILL GRADUALLY TURN OUT OF THE NORTH OVERNIGHT AS A LEE SIDE TROUGH MOVES THROUGH THE REGION. WINDS WILL BE WEST TO SOUTHWEST FOR A TIME OVER THE UPSTATE...AND LIGHT OUT OF THE SOUTH AT KCLT PRIOR TO THE TROF PASSAGE. OUTLOOK...SFC BOUNDARY WILL PUSH S OF THE AREA SUN NIGHT-MON WITH DRIER CONDITIONS EXPECTED TUE AND WED. 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...JDL NEAR TERM...MCAVOY/RB SHORT TERM...SBK LONG TERM...JDL AVIATION...MCAVOY
Hazardous weather outlook, Jul 30, 4:35 PM EDT, 8 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 435 PM EDT SAT JUL 30 2011 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>070-501>510-SCZ001>008-010-312045- 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-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-ANDERSON- 435 PM EDT SAT JUL 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE REGION LATE THIS AFTERNOON AND THIS EVENING. ALTHOUGH CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL WILL BE THE MAIN THREATS...ONE OR TWO OF THESE STORMS COULD PRODUCE A BRIEF PERIOD OF DAMAGING STRAIGHT LINE WINDS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. NCZ071-072-082-SCZ009-011>014-019-312045- MECKLENBURG-CABARRUS-UNION NC-YORK-ABBEVILLE-LAURENS-UNION SC- CHESTER-GREENWOOD- 435 PM EDT SAT JUL 30 2011 ...HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PIEDMONT NORTH CAROLINA AND UPSTATE SOUTH 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. HEAT ADVISORY. ISOLATED TO WIDELY SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE REGION LATE THIS AFTERNOON AND THIS EVENING. ALTHOUGH CLOUD TO GROUND LIGHTNING AND LOCALLY HEAVY RAINFALL WILL BE THE MAIN THREATS...ONE OR TWO OF THESE STORMS COULD PRODUCE A BRIEF PERIOD OF DAMAGING STRAIGHT LINE WINDS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. LANE
In the hours before
Local storm report, Jul 30, 9:50 PM EDT, 3 hours 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
950 PM EDT SAT JUL 30 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0903 PM TSTM WND DMG 4 SSE SHELBY 35.23N 81.53W
07/30/2011 CLEVELAND NC 911 CALL CENTER
SEVERAL TREES BLOWN DOWN IN A SUBDIVISION BETWEEN SULPHOR
SPRINGS RD AND SOUTH POST RD.
&&
MCAVOYSpecial weather statement, Jul 30, 11:10 PM EDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1110 PM EDT SAT JUL 30 2011
NCZ071-310345-
MECKLENBURG-
1110 PM EDT SAT JUL 30 2011
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MECKLENBURG COUNTY
THROUGH 1145 PM EDT...
AT 1105 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR CROFT...OR 7 MILES WEST OF UNC CHARLOTTE...
MOVING EAST AT 5 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO I-77 AT
I-85...CENTER CITY CHARLOTTE...UNC CHARLOTTE...HUNTERSVILLE AND
CROFT.
WIND GUSTS OF 30 TO 40 MPH 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. 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.
LAT...LON 3520 8086 3533 8098 3535 8096 3536 8092
3536 8094 3551 8081 3543 8076 3540 8077
3535 8070 3531 8068 3530 8068
CSHSpecial weather statement, Jul 31, 12:02 AM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1202 AM EDT SUN JUL 31 2011
NCZ071-310430-
MECKLENBURG-
1202 AM EDT SUN JUL 31 2011
...STRONG THUNDERSTORMS WILL AFFECT MECKLENBURG COUNTY THROUGH 1230
AM EDT...
AT 1159 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ACROSS CENTRAL AND SOUTH CHARLOTTE...MOVING
SOUTHEAST AT 10 MPH.
* LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO I-77 AT
I-85...CAROWINDS...CENTER CITY CHARLOTTE...SOUTHPARK MALL...
EASTLAND MALL...PINEVILLE...PAW CREEK...MINT HILL AND MATTHEWS.
WIND GUSTS OF 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. 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 3521 8055 3503 8077 3500 8084 3511 8094
3505 8104 3506 8106 3511 8104 3515 8105
3515 8101 3517 8100 3526 8101 3535 8097
3528 8067 3527 8066
CSHSpecial weather statement, Jul 31, 12:31 AM EDT, 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1231 AM EDT SUN JUL 31 2011
NCZ071-310500-
MECKLENBURG-
1231 AM EDT SUN JUL 31 2011
...STRONG THUNDERSTORMS CONTINUE TO AFFECT SOUTHERN MECKLENBURG
COUNTY THROUGH 100 AM EDT...
AT 1229 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG STORMS NEAR SOUTHPARK MALL...OR 5 MILES SOUTH OF CENTER
CITY CHARLOTTE...MOVING EAST AT 10 MPH.
* OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO I-77 AT
I-85...CENTER CITY CHARLOTTE...SOUTHPARK MALL...EASTLAND MALL...UNC
CHARLOTTE...PINEVILLE...MINT HILL AND MATTHEWS.
WIND GUSTS OF 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. 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.
LAT...LON 3503 8077 3503 8080 3500 8084 3509 8091
3511 8095 3526 8090 3533 8070 3533 8069
3527 8067 3521 8055
CSHThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:55 PM EDT | Areal Flood Advisory | GSP | Madison | 95 min |
| Jul 30, 11:10 PM EDT | Special Weather Statement | GSP | Mecklenburg | 35 min |
| Jul 31, 12:02 AM EDT | Special Weather Statement | GSP | Mecklenburg | 28 min |
| Jul 31, 12:31 AM EDT | Special Weather Statement | GSP | Mecklenburg | 29 min |
| Jul 31, 12:59 AM EDT | Areal Flood Advisory | GSP | Mecklenburg | 2 hr |
| Jul 31, 1:53 AM EDT | Areal Flood Advisory | GSP | Cabarrus | 95 min |
| Jul 31, 2:52 PM EDT | Special Weather Statement | GSP | McDowell | 38 min |
| Jul 31, 3:24 PM EDT | Areal Flood Advisory | GSP | Haywood | 2 hr |
| Jul 31, 3:38 PM EDT | Special Weather Statement | GSP | Catawba | 37 min |
| Jul 31, 5:00 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Rowan | 60 min |
| Jul 31, 5:36 PM EDT | Severe Thunderstorm Warning | GSP | Rowan | 39 min |
| Jul 31, 6:36 PM EDT | Special Weather Statement | GSP | Mecklenburg | 24 min |
| Jul 31, 6:51 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Catawba | 54 min |
| Jul 31, 7:12 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston, Lincoln | 63 min |
| Jul 31, 7:35 PM EDT | Special Weather Statement | GSP | Union | 40 min |
| Jul 31, 7:45 PM EDT | Special Weather Statement | GSP | Rutherford | 45 min |
| Jul 31, 7:59 PM EDT | Severe Thunderstorm Warning | GSP | Polk, Rutherford | 61 min |
Nearby
Flash Flood Warnings in North Carolina, 2011Every flash flood warning in 2011
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.