Alert archive / Georgia / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 360, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 30, 2008, 5:03 PM EDT for Elbert County, Georgia. It was in force for 30 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 30, 2008, 5:03 PM EDT (21:03 UTC)
- Expired
- Jul 30, 2008, 5:33 PM EDT
- In force
- 30 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
County Elbert County, GA
The radar
The Greer radar (KGSP), 102 km from the middle of the area, began a volume at 21:05 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.1 hours before the alert went out and 175 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
- 1220 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 653 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 30, 2:35 PM EDT, 2 hours 28 minutes earlier.
Area forecast discussion, Jul 30, 2:35 PM EDT, 2 hours 28 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 235 PM EDT WED JUL 30 2008 .SYNOPSIS... A COLD FRONT WILL APPROACH THE AREA FROM THE NORTH TONIGHT...AND CROSS THE CAROLINAS AND NORTHEAST GEORGIA ON THURSDAY. THIS FRONT WILL STALL SOUTH OF THE AREA LATE FRIDAY. ANOTHER COLD FRONT WILL CROSS THE MOUNTAINS ON SATURDAY...THEN WILL STALL OVER OUR AREA ON SUNDAY...AND REMAIN IN THE VICINITY THROUGH TUESDAY...BEFORE MOVING OFF TO THE NORTH ON WEDNESDAY. && .NEAR TERM /THROUGH THURSDAY/... TRENDS OF CURRENT FORECAST WORKING OUT SO FAR LATE THIS AFTERNOON AS CONVECTION HAS FIRED OVER THE NC PIEDMONT IN AREA OF BETTER SFC CONVERGENCE. EXPECT ADDTIONAL DEVELOPMENT WILL CONTINUE ALONG THE WEAK LEE TROUGH EXTENDING THROUGH THE NORTHERN UPSTATE DURING THE LATE AFTERNOON WHICH SHOULD SHOULD MOVE E-SE INTO THE REMAINDER OF THE PIEDMONT DURING THE LATE AFTERNOON HOURS. A RELATIVE MIN IN CAPES EXITS OVER THE INTERIOR MOUNTAINS...SO ONLY WIDELY SCATTERED CONVECTION EXPECTED THERE REMAINDER OF AFTERNOON. SOME STORMS OVER E TENNESSEE MAY REACH THE BORDER COUNTIES...SO HIGHER POPS THERE. MARGINAL LAPSE RATES AND CAPE WILL LIMIT THE SEVERE POTENTIAL THIS AFTERNOON AND EVENING. WITH PRECIP.WATER IN THE 1.75 INCH RANGE... VERY HEAVY RAIN IS A GOOD BET UNDER THUNDERSTORM CORES AND ANY SLOW MOVING/STATIONARY STORMS COULD PRODUCE SOME LOCALIZED FLOODING. ANY SVR STORMS WOULD LIKELY NEED 50-55 DBZ AROUND 35 KFT. SOME CONVECTION EXPECTED TO LINGER INTO THE EVENING...ESPECIALLY OVER THE PIEDMONT...BUT MOST IF NOT ALL SHOULD DIE OUT BY MIDNIGHT. ON THU...UPPER SHORT WAVE APPROACHES FROM THE NW ALONG WITH A SURFACE BOUNDARY. FORCING LOOKS TO BE SUFFICIENT FOR NUMEROUS SHOWERS/THUNDERSTORMS...WITH BEST COVERAGE OVER THE MOUNTAINS AND FOOTHILLS. WILL CARRY LIKLEY POPS OVER A LARGE PORTION OF THE AREA. FORECAST SOUNDINGS FOR THU SHOW MARGINAL CAPE AT BEST TO SUPPORT SEVERE STORMS. LOOKS LIKE HIGHEST THREAT FOR SEVERE WOULD BE OVER THE SOUTHERN PORTION OF THE FORECAST AREA IN THE MID/LATE AFTERNOON TIMEFRAME. USED A MOS BLEND FOR MIN TEMPS OVERNIGHT AND USED THE LOWER MAV MOS FOR MAX TEMPS ON THU. && .SHORT TERM /THURSDAY NIGHT THROUGH SATURDAY NIGHT/... AT 2 PM EDT...THE LONGWAVE TROUGH SETTING UP ALONG THE EAST COAST THURSDAY NIGHT AMPLIFIES THROUGH SATURDAY NIGHT. A COLD FRONT WILL BE LOCATED ACROSS THE SOUTHERN TIER OF OUR COUNTIES THURSDAY EVENING...AND WILL MOVE SOUTH OF OUR AREA BY FRIDAY MORNING... STALLING WELL SOUTH OF THE AREA FRIDAY NIGHT. SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THIS FEATURE WILL END FROM THE NORTH THURSDAY EVENING. ON SATURDAY A SECOND COLD FRONT ARRIVES AT THE TN BORDER WITH LIMITED MOISTURE...AND SHOULD RESULT IN JUST A FEW UPSLOPE SHOWERS THERE DURING THE MORNING...WITH A FEW CLOUD SPILLING OVER THE BLUE RIDGE. SATURDAY AFTERNOON AND NIGHT ARE EXPECTED TO BE DRY AS THE SECOND FRONT MOVES EAST OF THE AREA. WITH LITTLE COLD ADVECTION BEHIND THE FIRST FRONT...MAXIMUMS TEMPERATURES WILL REMAIN ABOVE NORMAL ON FRIDAY. DOWNSLOPE FLOW BEHIND THE SECOND FRONT WILL WARM MAXIMUM TEMPERATURES A COUPLE OF DEGREES ON SATURDAY. MINIMUM TEMPERATURES ARE EXPECTED TO FALL FROM A COUPLE OF DEGREES ABOVE NORMAL IN THE MOIST AIR MASS SATURDAY NIGHT...TO AROUND NORMAL IN THE DRIER AIR MASS ON SATURDAY. && .LONG TERM /SUNDAY THROUGH WEDNESDAY/... AT 1 PM EDT...THE GFS AND ECMWF EXHIBIT SIGNIFICANT DIFFERENCES WITH THEIR UPPER LEVEL PATTERNS OVER EASTERN NORTH AMERICA FROM SUNDAY ON...PARTICULARLY NORTH OF CHESAPEAKE BAY. THE GFS HAS LACKED CONTINUITY...AND IS SLOWER AND STRONGER WITH AN UPPER LOW MOVING ALONG THE U.S./CANADIAN BORDER. THE TRAILING UPPER TROUGH TO THE SOUTH DOES NOT DIFFER AS MUCH...AND AS A RESULT...THE HPC SURFACE SOLUTION IS GENERALLY SIMILAR TO THE GFS. A STATIONARY FRONT WILL BE LOCATED ACROSS SC ON SUNDAY.THIS FRONT BARELY MOVES ON MONDAY... REACHING THE SOUTHERN TIER OF NC...AND BY TUESDAY REACHES THE NORTHERN TIER OF NC. ON WEDNESDAY THE FRONT MOVES WELL TO THE NORTH...PLACING OUR ENTIRE AREA IN A WARM AND HUMID AIR MASS. THE PROXIMITY OF THE FRONT WILL WARRANT CHANCE POPS ACROSS THE AREA INITIALLY. MORE TYPICAL SUMMERTIME AIR MASS THUNDERSTORMS ARE EXPECTED AS THE WARM FRONT MOVES NORTH. TEMPERATURES WILL REMAIN WARM...AS THE COOLER AIR MASS NEVER BECOMES FIRMLY ESTABLISHED HERE EARLY...AND RETREATS LATE IN THE PACKAGE WHEN HEIGHTS RISE. && .AVIATION /19Z WEDNESDAY THROUGH MONDAY/... ALL TAF SITES VFR AT EARLY AFTERNOON AND EXPECT THOSE CONDITIONS TO HOLD FOR THE MOST PART THROUGH 06Z. THE EXCEPTION WILL BE IF A THUNDERSTORM MOVES OVER AN AIRFIELD THEN A BRIEF PERIOD OF MVFR/IFR LIKELY. HAVE CARRIED A VCTS AT KHKY/KCLT THIS AFTERNOON AS RADAR CURRENTLY SHOWS CONVECTIVE COVERAGE INCREASING OVER THE NC PIEDMONT. DID CONTINUE TO CARRY CB IN THE THE LATE AFTERNOON CLOUD GROUP AT THE OTHER TAF SITES AS THERE WILL BE WIDELY SCATTERED/SCATTERED COVERAGE EVERYWHERE.THUNDERSTORMS SHOULD DISSIPATE SHORTLY AFTER SUNSET. LATE TONIGHT...MOS GUIDANCE SUGGESTS THAT MVFR FOG/HZ WILL AFFECT ALL TAF SITES. ALTHOUGH KAVL WENT TO LIFR IN FOG LAST NIGHT GUIDANCE IS SHYING AWAY FROM A REPEAT EARLY THU. EXPECT THAT MID/HIGH LEVEL CLOUDS WILL PREVENT SIGNIFICANT FOG DEVELOPMENT...SO HAVE NOT TAKEN VSBY BELOW 3 SM THERE. WEAK COLD FRONT MOVING INTO THE AREA ON THU SHOULD PROVIDE ENOUGH OF A TRIGGER FOR NUMEROUS SHOWERS/THUNDERSTORMS SPREADING NW TO SE ACROSS THE AREA. WILL GO AHEAD AND FORECAST VCTS KAVL AFTER 15Z AND CB GROUPS MOST OTHER SITES AROUND 17Z. OUTLOOK...THE COLD FRONT WILL SLIP S OF THE REGION THU NIGHT AND ANY LINGERING EVENING THUNDERSTORMS WILL END OVERNIGHT. DRYER AIR WILL MOVE IN BEHIND THE FRONT ON FRI AND VFR CONDITIONS SHOULD PREVAIL. ON SATURDAY...ANOTHER FRONT WILL ENTER THE REGION FROM THE NORTHWEST AND PRODUCE A THREAT OF SCATTERED THUNDERSTORMS. HIGH PRESSURE WILL BUILD IN BEHIND THE FRONT ON SUNDAY AND IS EXPECTED TO PRODUCE AN EXTENDED PERIOD OF GNERALLY CLEAR CONDITIONS NEXT WEEK. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...JAT NEAR TERM...LG SHORT TERM...JAT LONG TERM...JAT AVIATION...LG
Hazardous weather outlook, Jul 30, 3:57 PM EDT, 1 hour 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 357 PM EDT WED JUL 30 2008 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-312000- 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- 357 PM EDT WED JUL 30 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND CONTINUE INTO THIS EVENING. A COUPLE OF THE STORMS COULD BECOME SEVERE AND PRODUCE DAMAGING WINDS...HEAVY DOWNPOURS AND CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. A COLD FRONT WILL CROSS THE AREA THURSDAY AND BRING SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS THROUGH THE AFTERNOON AND INTO THE EVENING HOURS. A FEW OF THESE THUNDERSTORMS COULD REACH SEVERE LEVELS...PRODUCING DAMAGING WIND AND LARGE HAIL. A HEAT ADVISORY MAY BE NEEDED IN PORTIONS OF THE FOOTHILLS AND PIEDMONT ON MONDAY AND WEDNESDAY FOR HOT TEMPERATURES COMBINED WITH HUMIDITY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. 07
In the hours before
Special weather statement, Jul 30, 12:56 PM EDT, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1256 PM EDT WED JUL 30 2008 NCZ035-036-056-301800- ALEXANDER-CATAWBA-IREDELL- 1256 PM EDT WED JUL 30 2008 ...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN CATAWBA... SOUTHEASTERN ALEXANDER AND SOUTHERN IREDELL COUNTIES THROUGH 200 PM EDT... AT 1252 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES WEST OF STATESVILLE...MOVING SOUTHEAST AT 9 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LOOKOUT SHOALS LAKE...TROUTMAN...STONY POINT...STATESVILLE...SCOTTS... MOORESVILLE AND CATAWBA. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. ARK
Special weather statement, Jul 30, 1:51 PM EDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 151 PM EDT WED JUL 30 2008 NCZ057-301815- ROWAN- 151 PM EDT WED JUL 30 2008 ...A STRONG THUNDERSTORM WILL AFFECT WESTERN ROWAN COUNTY THROUGH 215 PM EDT... AT 148 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES SOUTHWEST OF CLEVELAND...OR 12 MILES WEST OF SALISBURY...MOVING SOUTHEAST AT 18 MPH. THIS STORM WILL BE NEAR... CHINA GROVE BY 215 PM EDT. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. HEAVY RAIN...WITH RAIN RATES OVER AN INCH IN HALF AN HOUR MAY CAUSE PONDING OF WATER ON ROADWAYS...AND SUDDEN RISES ON SMALL RIVERS AND CREEKS. PLEASE DRIVE WITH CAUTION DURING HEAVY RAINFALL. ARK
Special weather statement, Jul 30, 2:38 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 238 PM EDT WED JUL 30 2008 NCZ071-301915- MECKLENBURG- 238 PM EDT WED JUL 30 2008 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MECKLENBURG COUNTY THROUGH 315 PM EDT... AT 236 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR CORNELIUS...OR 14 MILES NORTHWEST OF UNC CHARLOTTE...MOVING SOUTHEAST AT 15 MPH. THIS STORM WILL BE NEAR... HUNTERSVILLE BY 250 PM EDT. UNC CHARLOTTE BY 315 PM EDT. BRIEF HEAVY RAINFALL AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. ARK
Special weather statement, Jul 30, 4:48 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 448 PM EDT WED JUL 30 2008 GAZ029-302115- ELBERT- 448 PM EDT WED JUL 30 2008 ...A STRONG THUNDERSTORM WILL AFFECT PORTIONS OF CENTRAL ELBERT COUNTY THROUGH 515 PM EDT... AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTH OF NUBERG...OR 7 MILES NORTH OF ELBERTON...MOVING SOUTHEAST AT 15 MPH. THIS STORM WILL BE NEAR... RUCKERSVILLE BY 510 PM EDT. WIND GUSTS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. LANE
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 2:12 PM EDT | Areal Flood Advisory | GSP | Rowan | 2 hr |
| Jul 30, 5:24 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 26 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning in 2008
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.