Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 73, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 25, 2001, 2:42 PM EDT for Anderson County, South Carolina. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 25, 2001, 2:42 PM EDT (18:42 UTC)
- Expired
- Jun 25, 2001, 3:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Anderson County, SC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 18:46 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 2:55 PM EDT | Hail 1.75 | Anderson, SC | Golfball-sized hail fell on the Anderson County side of Lake Hartwell. 8 to 10 homes were also struck by lightning. A few fires were started also. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.7 hours before the alert went out and 214 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
- 239 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 886 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 251842 SVRGSP SCC007-251945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 242 PM EDT MON JUN 25 2001 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 345 PM EDT * AT 242 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL OVER ANDERSON. THE STORM WAS NEARLY STATIONARY. * THE SEVERE THUNDERSTORM WILL BE NEAR... ANDERSON THROUGH 330 PM EDT PEOPLE IN THE PATH OF THIS SEVERE THUNDERSTORM SHOULD BE ALERT FOR LARGE HAIL AND DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR WITH ANY THUNDERSTORM. ALTHOUGH LARGE HAIL IS THE BIGGEST THREAT WITH THIS SEVERE THUNDERSTORM...BRIEF DAMAGING WINDS COULD ALSO OCCUR. $$ HG
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 Jun 25, 10:30 AM EDT, 4 hours 12 minutes earlier.
Area forecast discussion, Jun 25, 10:30 AM EDT, 4 hours 12 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1030 AM EDT MON JUN 25 2001 12Z HAND ANALYSIS SHOWED A 40 KT JET ON THE W SIDE OF H5 UPPER LOW. LOOKING AT THE WATER VAPOR IMAGE...THE LOW SEEMS TO BE RESPONDING TO THIS JET WITH A RATHER QUICK WESTWARD PROPAGATION THIS MORNING. IN FACT...THE CENTER OF THE LOW ATTM SEEMS TO BE OVER EXTREME ERN TN. AS A RESULT...WE ARE NOW IN A DEEP SLY FLOW...EXCEPT AT THE SFC WHERE WNDS ARE NE. THIS IS A PERFECT ANCHORING FLOW. ATTM THERE ARE ALREADY SOME SHRA/TSRA OVER NE GA THAT HAVE NOT MOVED AND MORE CONVECTION IN ANDERSON COUNTY SLOWLY WORKING TOWARD THE MTNS. FORTUNATELY...THESE AREAS HAVE SEEN VERY LITTLE RAIN THE PAST FEW DAYS. ALSO...CHS SOUNDING HAD A PRONOUNCED DRY SLOT AOB 700 MB. AS THIS SPREADS IN...POTENTIAL FOR LARGE HAIL AND DAMAGING WINDS WL INCREASE AS THE AFTN WEARS ON. WL KEEP FFA FOR THE ERN ZONES THROUGH NOON...NO POINT IN CANCELING A WATCH ANY SOONER THAN NEED BE. HOWEVER...WL NOT ISSUE ANYTHING FOR THE AFTN HOURS. OTRW...TEMPS AND POPS LOOK PRETTY GOOD FOR THE AFTN. WL BUMP UP TEMPS A COUPLE DEGREES IN THE ERN ZONES WHERE IS A FAIR AMOUNT OF SUN ATTM. FCSTID = 14 GSP 79 66 83 66 / 70 50 40 30 AND 80 65 85 65 / 70 60 50 40 CLT 78 65 82 65 / 70 50 40 30 HKY 75 62 80 62 / 70 60 50 40 AVL 72 60 75 60 / 70 70 60 50 .GSP... GA...NONE. NC...FLASH FLOOD WATCH FOR THIS MORNING FOR ZONES NCZ035>037...NCZ056>057...NCZ068>072...NCZ082. SC...FLASH FLOOD WATCH FOR THIS MORNING FOR ZONES SCZ007>009...SCZ013>014. MCAVOY
In the hours before
Special weather statement, Jun 25, 11:10 AM EDT, 3 hours 32 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-252100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1110 AM EDT MON JUN 25 2001 ...VERY HEAVY RAIN AND A FEW SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING... AN UNSEASONABLY STRONG UPPER LEVEL LOW WILL DRIFT SLOWLY WEST ACROSS THE REGION THIS AFTERNOON. LAST NIGHT...THIS SAME LOW BROUGHT AS MUCH AS 6 INCHES OF RAIN TO THE CAROLINA PIEDMONT. AS THE ATMOSPHERE HEATS UP THIS AFTERNOON...WIDESPREAD SHOWERS AND THUNDERSTORMS WILL DEVELOP. THE STORMS WILL MOVE VERY SLOWLY. IN FACT...STORMS WHICH DEVELOP IN THE MOUNTAINS AND FOOTHILLS MAY NOT MOVE AT AT ALL. THUS THE POTENTIAL EXISTS FOR SOME LOCATIONS TO RECEIVE SEVERAL INCHES OF RAIN LATE THIS AFTERNOON AND EVENING. A FLASH FLOOD WATCH HAS NOT BEEN ISSUED AS THE AREAS WHERE HEAVY RAIN APPEARS MOST LIKELY HAVE NOT SEEN VERY HEAVY RAINFALL OVER THE PAST 24 HOURS. HOWEVER...IF HEAVY RAIN DOES DEVELOP...WATCHES MAY BE NEED FOR PARTS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. IN ADDITION TO THE HEAVY RAIN...COLD AND RATHER DRY AIR ALOFT WILL ALLOW SOME OF THE THUNDERSTORMS TO PRODUCE DAMAGING WINDS AND HAIL UP TO THE SIZE OF QUARTERS. SPOTTER GROUPS SHOULD BE PREPARED TO ACTIVATE QUICKLY LATE THIS AFTERNOON AND THIS EVENING. DISPATCHERS SHOULD ENSURE COUNTY EMERGENCY MANAGEMENT OFFICIALS ARE AWARE OF THIS INFORMATION. MCAVOY
Local storm report, Jun 25, 11:55 AM EDT, 2 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
1155 AM EDT MON JUN 25 2001
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1144 AM CLAYTON GA 1.75 INCH HAIL
06/25/01 RABUN CLAYTON 911 CENTER
REPORTED HAIL NOW ENDED
BUT DIME TO GOLFBALL SIZE
JUST PRIOR AT 1140 AM.
TJBThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 12:19 AM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 26 min |
| Jun 25, 1:57 AM EDT | Flash Flood Warning | GSP | Spartanburg | 3 hr |
| Jun 25, 4:10 AM EDT | Flash Flood Warning | GSP | Union | 3 hr |
| Jun 25, 5:12 AM EDT | Flash Flood Warning | GSP | Cherokee | 33 min |
| Jun 25, 5:20 AM EDT | Flash Flood Warning | GSP | Cherokee | 3 hr |
| Jun 25, 1:53 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 67 min |
| Jun 25, 2:29 PM EDT | Flash Flood Warning | GSP | Anderson | 2 hr |
| Jun 25, 3:05 PM EDT | Severe Thunderstorm Warning | GSP | Spartanburg | 55 min |
| Jun 25, 4:04 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 26 min |
| Jun 25, 6:09 PM EDT | Flash Flood Warning | GSP | Laurens | 2 hr |
| Jun 25, 6:17 PM EDT | Severe Thunderstorm Warning | GSP | Laurens | 43 min |
| Jun 25, 7:32 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, York | 43 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.