Alert archive / North Carolina / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 311, NWS Greenville-Spartanburg, SC

July 29, 2003Mecklenburg County, North Carolina

NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 29, 2003, 6:19 PM EDT for Mecklenburg County, North Carolina. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2003, 6:19 PM EDT (22:19 UTC)
Expired
Jul 29, 2003, 7:15 PM EDT
In force
56 min
Issued by
NWS Greenville-Spartanburg, SC
Area
Counties, with a storm outline in the text

County Mecklenburg County, NC

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 22:22 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 29, 3:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.3 hours before the alert went out and 125 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 2003-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 681 joules per kilogram.LCLLFCEL10008507005003002001001 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 2003-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
681 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
1045 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.4

Open this sounding in Storm Lab

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 Jul 29, 6:08 PM EDT, 11 minutes earlier.

Area forecast discussion, Jul 29, 6:08 PM EDT, 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
608 PM EDT TUE JUL 29 2003

AFTER COORDINATION WITH SPC...WILL UPDATE TO CLEAR THE NORTH
CAROLINA FOOTHILLS AND THE WESTERN UPSTATE...INCLUDING GREENVILLE
AND SPARTANBURG FROM THE CURRENT SEVERE THUNDERSTORM WATCH. LAPS
ANALYSIS SHOWS LITTLE RESIDUAL INSTABILITY IN WORKED OVER AIRMASS
AND VAD WIND PROFILE SHOWS LITTLE SHEAR REMAINING WITH 15 KT
WESTERLY FLOW UP THE COLUMN.

FCSTID =   33

.GSP...
GA...NONE.
NC...NONE.
SC...NONE.

HG
Hazardous weather outlook, Jul 29, 4:58 AM EDT, 13 hours 21 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014-
019-291100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
458 AM EDT TUE JUL 29 2003

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

.DAY ONE...TODAY

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TODAY.

.DAYS TWO THROUGH SEVEN...

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED THROUGH THE
EXTENDED PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED ATT HIS TIME.

RB

In the hours before

Special weather statement, Jul 29, 4:38 PM EDT, 1 hour 41 minutes before
NCZ065-292115-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
438 PM EDT TUE JUL 29 2003

...HENDERSON COUNTY HAS BEEN CLEARED FROM SEVERE THUNDERSTORM WATCH
NUMBER 812...

AT 438 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STRONG TO SEVERE THUNDERSTORM ACTIVITY OVER THE WESTERN
CAROLINAS HAD MOVED EAST OF THE NORTH CAROLINA MOUNTAINS. WHILE A
FEW SHOWERS OR THUNDERSTORMS MAY PERSIST ACROSS HENDERSON COUNTY
THIS EVENING...NO ADDITIONAL SEVERE THUNDERSTORMS ARE EXPECTED. THE
SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE REST OF THE
WATCH AREA.

GERAPETRITIS
Local storm report, Jul 29, 4:41 PM EDT, 1 hour 38 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
441 PM EDT TUE JUL 29 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

434 PM     VALDESE                   NC   .75 INCH HAIL
07/29/03   BURKE                          HAM REPORTED DIME SIZED
                                          HAIL.

441 PM     3 E BETHLEHEM             NC   WIND DAMAGE
07/29/03   ALEXANDER                      SPOTTER REPORTED 4-5
                                          LIMBS BLOWING OFF TREES
                                          AND PEA SIZE HAIL.

LAMB
Local storm report, Jul 29, 5:22 PM EDT, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
522 PM EDT TUE JUL 29 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

500 PM     SPARTANBURG               SC   WIND DAMAGE
07/29/03   SPARTANBURG                    COUNTY 911 REPORTED TREES
                                          AND POWERLINES DOWN AT
                                          INTSCN OF CANNONS
                                          CAMPGROUND RD AND
                                          CONVERSE RD.

520 PM     0.5 S FALLSTON            NC   WIND DAMAGE
07/29/03   CLEVELAND                      HAM REPORTED 2 ROOFS
                                          BLOWN OFF MOBILE HOMES
                                          NEAR JIM CLINE RD AND HWY
                                          18.

LAMB
Local storm report, Jul 29, 5:46 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
546 PM EDT TUE JUL 29 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

522 PM     WOODLEAF                  NC   .75 INCH HAIL
07/29/03   ROWAN                          WOODLEAF F.D. REPORTED
                                          DIME SIZE HAIL AND GUSTY
                                          WIND.

LAMB
Local storm report, Jul 29, 5:53 PM EDT, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
553 PM EDT TUE JUL 29 2003

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

520 PM     FALLSTON                  NC   WIND DAMAGE
07/29/03   CLEVELAND                      UPDATE TO PREVOUS LSR.
                                          NUMEROUS TREES UPROOTED
                                          OR SNAPPED OFF HALFWAYUP.
                                          OUTBUILDINGS BLOWN INTO
                                          THE HIGHWAY. ONE MOBILE
                                          HOME LOST ROOF WHILE MAN
                                          WAS INSIDE. NO INJURIES.
                                          REPORTED BY COUNTY 911
                                          CENTER.

LAMB
Special weather statement, Jul 29, 6:15 PM EDT, 4 minutes before
NCZ034-054-055-066-067-SCZ002-003-005>007-010>012-019-292245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
615 PM EDT TUE JUL 29 2003

THE NORTH CAROLINA FOOTHILLS AND THE WESTERN UPSTATE OF SOUTH
CAROLINA HAVE BEEN CLEARED FROM SEVERE THUNDERSTORM WATCH # 812.
THIS CLEARANCE AFFECTS THE FOLLOWING COUNTIES IN NORTH CAROLINA...

CALDWELL...BURKE...MCDOWELL...RUTHERFORD...AND POLK.

AND THE FOLLOWING COUNTIES IN SOUTH CAROLINA...

PICKENS...GREENVILLE...SPARTANBURG...LAURENS...ANDERSON...ABBEVILLE.
...AND GREENWOOD.

THE STRONG TO SEVERE THUNDERSTORM ACTIVITY HAS MOVED EAST OF THE
AREA. SCATTERED SHOWERS AND THUNDERSTORMS MAY STILL DEVELOP ACROSS
THE REGION THIS EVENING...BUT THEY ARE EXPECTED TO REMAIN BELOW
SEVERE LEVELS.

HG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 29, 2:37 PM EDTSevere Thunderstorm WarningGSPMecklenburg, Union53 min
Jul 29, 2:46 PM EDTFlash Flood WarningGSPMecklenburg119 min
Jul 29, 4:26 PM EDTSevere Thunderstorm WarningGSPAlexander, Catawba64 min
Jul 29, 5:25 PM EDTSevere Thunderstorm WarningGSPLincoln65 min
Jul 29, 5:28 PM EDTSevere Thunderstorm WarningGSPIredell47 min
Jul 29, 5:51 PM EDTSevere Thunderstorm WarningGSPGaston54 min
Jul 29, 6:16 PM EDTFlash Flood WarningGSPDavie, Rowan3 hr
Jul 29, 6:32 PM EDTSevere Thunderstorm WarningGSPRowan58 min
Jul 29, 6:42 PM EDTFlash Flood WarningGSPIredell2 hr
Jul 29, 7:10 PM EDTFlash Flood WarningGSPMecklenburg110 min
Jul 29, 7:11 PM EDTSevere Thunderstorm WarningGSPCabarrus49 min
Jul 29, 4:47 PM EDTSevere Thunderstorm WarningGSPCherokee, Spartanburg, Union58 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2003Every severe thunderstorm warning in 2003

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.