Alert archive / South Carolina / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 166, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 28, 2005, 4:50 PM EDT for Chester County, South Carolina. It was in force for 58 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 28, 2005, 4:50 PM EDT (20:50 UTC)
- Expired
- Jul 28, 2005, 5:48 PM EDT
- In force
- 58 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Chester County, SC
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm 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 12:00Z, 8.8 hours before the alert went out and 190 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
- 281 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 1168 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 282052 SVRGSP SCC023-282145- /O.NEW.KGSP.SV.W.0166.050728T2050Z-050728T2145Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 450 PM EDT THU JUL 28 2005 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN CHESTER COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 545 PM EDT * AT 445 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED ON THE EAST SIDE OF CHESTER...AND WAS MOVING NORTH AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 7 MILES WEST OF RICHBURG AROUND 500 PM EDT... EDGEMOOR AROUND 515 PM EDT... INTENSE LIGHTNING IS OCCURRING WITH THIS SEVERE THUNDERSTORM. STAY INDOORS AWAY FROM WINDOWS. LAT...LON 3464 8130 3461 8100 3482 8092 3481 8123 $$ MCAVOY
1 follow-up statement
000 WWUS52 KGSP 282148 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 546 PM EDT THU JUL 28 2005 SCC023-282156- /O.EXP.KGSP.SV.W.0166.000000T0000Z-050728T2145Z/ CHESTER SC- 546 PM EDT THU JUL 28 2005 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHESTER COUNTY EXPIRED AT 545 PM EDT... THE STORM THAT PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE CRITERIA. HEAVY RAIN WILL CONTINUE ALONG THE YORK CHESTER COUNTY LINE UNTIL 615 PM. LAT...LON 3464 8130 3461 8100 3482 8092 3481 8123 $$ NED
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 28, 2:44 PM EDT, 2 hours 6 minutes earlier.
Area forecast discussion, Jul 28, 2:44 PM EDT, 2 hours 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 244 PM EDT THU JUL 28 2005 .SHORT TERM (TONIGHT THROUGH FRIDAY)... 88D TRENDS THROUGH THE REST OF THE AFTERNOON SHOULD DEPICT BLOSSOMING CVRG OF DEEP CONVECTION THANKS TO THE COMBINATION OF DEEPER RH PRESSING IN FROM THE NORTHWEST...A MODERATELY TO VERY UNSTABLE AIRMASS AND LLVL CONVERGENCE AXIS BISECTING THE CWFA. WILL CONTINUE TO FCST NUMEROUS TSTM CVRG THROUGH MIDNIGHT. FOR THE OVERNIGHT HOURS...SHORT RANGE MODELS HAVING TROUBLE RESOLVING THE DETAILS OF SPECIFIC AREAS OF LIFT...BUT BOTH THE NAM AND THE GFS HAVE PCPN RESPONSE LINGERING ACRS NC... SO WILL HANG ONTO LIKELY CVRG THERE AND DROP POP TO SCATTERED EVERYWHERE ELSE. ON FRIDAY...CONTINUED UNSETTLED WEATHER LOOKS PROBABLE AS UPPER TROUGH AXIS DIGS JUST UPSTREAM OF THE CWFA WITH A PRETTY STOUT AREA OF LARGE SCALE ASCENT AHEAD OF THE TROUGH AXIS. AGAIN... MODELS LINGER DEEP RH WITHIN THE CWFA AND DECENT AGREEMENT AMONG NUMERICAL GUIDANCE POP ADVERTISING ANOTHER AFTERNOON/EVENING WITH NUMEROUS TSTMS. && .LONG TERM (FRIDAY NIGHT THROUGH THURSDAY)... THE UPPER TROUGH AXIS WILL SLOWLY DRIFT TO THE EAST COAST DURING THE WEEKEND AS THE SURFACE FRONT LINGERS AND GRADUALLY FADES OVER OR NEAR THE COASTAL PLAIN DURING THE NEXT SEVERAL DAYS. HIGH PRECIPITABLE WATER VALUES OF OVER TWO INCHES WILL COEXIST WITH THE FRONT AT LEAST THROUGH THE FIRST HALF OF THE WEEKEND. A GOOD AREA OF OMEGA WILL MOVE NORTHEAST NEAR INTERSTATE 85 FRIDAY NIGHT. AFTER THAT...NUMEROUS SHOWERS AND THUNDERSTORMS WILL BE MAINLY CONFINED TO LOCATIONS SOUTHEAST OF INTERSTATE 85. A FEW INCHES OF RAIN COULD FALL IN PARTS OF THE CAROLINAS AND GEORGIA DURING THE NEXT FEW DAYS. IF THE FRONT REMAINS CLOSER TO THE COAST AS EXPECTED AND SLOWLY DISSIPATE...OUR CHANCES OF RAIN WILL DIMINISH GOING INTO THE UPCOMING WEEK. WITH A COOLER AIRMASS AND LOTS OF CLOUDINESS...NO MORE NEAR RECORD TEMPERATURES FOR A WHILE. HIGH TEMPERATURES WILL BE BACK TO NEAR NORMAL BY MID NEXT WEEK. WE WILL THEN BE WATCHING THE PROGRESS OF THE NEXT TROPICAL SYSTEM WHICH IS PROJECTED TO APPROACH THE BAHAMAS IN MID WEEK THEN PERHAPS MOVE WEST WITH HIGH PRESSURE BLOCKING IT FROM GOING NORTH. && .AVIATION... THE COMBINATION OF DEEPER RH PRESSING IN FROM THE NORTHWEST...A MODERATELY TO VERY UNSTABLE AIRMASS AND LLVL CONVERGENCE AXIS BISECTING THE CWFA COINCIDENT WITH SYNOPTIC SCALE FRONT...SHOULD CONTINUE TO PROMOTE DEEP CONVECTIVE CVRG BECOMING NUMEROUS AND WILL CARRY AT LEAST TWO TEMPO PERIODS AT ALL TAF LOCATIONS TO COVER HIGH TSTM PROBABILITIES YET REFLECT TIMING UNCERTAINTY. AS THE NIGHT WEARS ON...SHORT RANGE MODELS PROGGING BETTER WAA LIFT NORTH OF FRONT AND WILL HANG ONTO SHOWER CHANCES FURTHER INTO THE OVERNIGHT FOR MY NC TAFS. AT THIS POINT... DOES NOT LOOK LIKE ANYTHING WORSE THAT MVFR RESTRICTIONS DURING THE PRE-DAWN HOURS. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...CSH LONG TERM...DEO AVIATION...CSH
Hazardous weather outlook, Jul 28, 4:10 AM EDT, 12 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 410 AM EDT THU JUL 28 2005 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082- SCZ001>014-019-290815- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-CALDWELL- ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD- BUNCOMBE-MCDOWELL-BURKE-CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON- MACON-SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON-POLK-RUTHERFORD- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- 410 AM EDT THU JUL 28 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR UPSTATE SOUTH CAROLINA... MUCH OF WESTERN NORTH CAROLINA... AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS THIS MORNING...THEN THUNDERSTORMS ARE LIKELY THROUGH THE NIGHT. SOME STORMS COULD BECOME SEVERE WITH DAMAGING WINDS...ESPECIALLY THIS AFTERNOON AND EVENING. PERIODS OF HEAVY RAIN ARE ALSO LIKELY AND FLOODING WILL BE POSSIBLE...ESPECIALLY IN AREAS WHERE CELLS TRAIN OR REDEVELOP OVER THE SAME AREAS. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY THUNDERSTORMS ARE LIKELY THROUGH SATURDAY...WITH A CHANCE OF STORMS CONTINUING THROUGH MONDAY NIGHT. PERIODS OF HEAVY RAIN ARE EXPECTED AND FLOODING WILL BE POSSIBLE INTO THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. RB
In the hours before
Special weather statement, Jul 28, 10:54 AM EDT, 5 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1054 AM EDT THU JUL 28 2005 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-282000- ABBEVILLE-ALEXANDER-ANDERSON-AVERY-BUNCOMBE-BURKE NC-CABARRUS- CALDWELL-CATAWBA-CHEROKEE SC-CHESTER-CLEVELAND-DAVIE-ELBERT- FRANKLIN GA-GASTON-GRAHAM-GREATER GREENVILLE-GREATER OCONEE- GREATER PICKENS-GREENVILLE MOUNTAINS-GREENWOOD-HABERSHAM-HART- HAYWOOD-HENDERSON-IREDELL-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL-MECKLENBURG-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS-PICKENS MOUNTAINS-POLK NC-RABUN-ROWAN-RUTHERFORD- SOUTHERN JACKSON NC-SPARTANBURG-STEPHENS-SWAIN-TRANSYLVANIA-UNION NC- UNION SC-YANCEY-YORK- 1054 AM EDT THU JUL 28 2005 ...SEVERE WEATHER OUTLOOK... A STATIONARY FRONT DRAPED ACROSS THE REGION WILL BE THE FOCUS FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND EVENING. AS THE ATMOSPHERE WARMS UP...IN COMBINATION WITH TYPICAL MID-SUMMER HUMIDITY LEVELS...THE RESULT WILL BE MODERATE AMOUNTS OF INSTABILITY TO ASSIST IN STORMS GROWING TO RATHER TALL HEIGHTS. RELATIVELY DRY AIR IN THE MIDDLE LEVELS OF THE ATMOSPHERE WILL CONTRIBUTE TO THE THREAT OF STORMS PRODUCING DAMAGING WIND GUSTS. DESPITE RATHER HIGH FREEZING LEVELS...A FEW STORMS COULD PRODUCE HAIL TO THE SIZE OF PENNIES AS WELL. LOCALIZED VERY HEAVY RAIN IS EXPECTED WITH SOME STORMS AND LOCAL FLOODING IS POSSIBLE IN LOW LYING AREAS. MOTORISTS ARE REMINDED NOT TO ATTEMPT TO CROSS WATER MOVING ACROSS A ROADWAY. STAY TUNED FOR FURTHER UPDATES ON THIS DEVELOPING WEATHER SITUATION.
Local storm report, Jul 28, 4:34 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
434 PM EDT THU JUL 28 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0420 PM HAIL 2 NE PACOLET 34.93N 81.74W
07/28/2005 0.88 INCH SPARTANBURG SC TRAINED SPOTTER
WIND DOWNED 4 INCH DIAMETER TREE LIMBS. LARGE HAIL IS
CURRENTLY FALLING.
&&
NEDLocal storm report, Jul 28, 4:48 PM EDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
448 PM EDT THU JUL 28 2005
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0415 PM HAIL GREENVILLE 34.84N 82.37W
07/28/2005 1.00 INCH GREENVILLE SC TRAINED SPOTTER
QUARTER SIZE HAIL AT I-385 AND PLEASANTBURG ROAD. MARBLE
SIZE AT HAYWOOD MALL.
&&
TJBThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 3:15 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 62 min |
| Jul 28, 4:06 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 54 min |
| Jul 28, 4:15 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Spartanburg | 60 min |
| Jul 28, 4:35 PM EDT | Severe Thunderstorm Warning | GSP | York | 55 min |
| Jul 28, 5:16 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 61 min |
| Jul 28, 6:03 PM EDT | Severe Thunderstorm Warning | GSP | Anderson | 57 min |
| Jul 28, 7:31 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 59 min |
| Jul 28, 7:50 PM EDT | Flash Flood Warning | GSP | Oconee | 3 hr |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2005Every severe thunderstorm warning in 2005
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.