Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 7, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Feb 22, 2003, 9:00 PM EST for Anderson County, South Carolina. It was in force for 45 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
- Feb 22, 2003, 9:00 PM EST (02:00 UTC)
- Expired
- Feb 22, 2003, 9:45 PM EST
- In force
- 45 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Anderson 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
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 2.0 hours before the alert went out and 221 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
- 260 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 92 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
993 WUUS52 KGSP 230200 SVRGSP SCC007-230245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 900 PM EST SAT FEB 22 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN ANDERSON COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 945 PM EST * AT 900 PM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES NORTHWEST OF ANDERSON...OR ABOUT OVER SANDY SPRINGS...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... PELZER AT 910 PM EST. POWDERSVILLE AT 915 PM EST. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. LAT...LON 3463 8285 3450 8269 3464 8243 3482 8250 $$ JONES
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 Feb 22, 8:35 PM EST, 25 minutes earlier.
Area forecast discussion, Feb 22, 8:35 PM EST, 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 835 PM EST SAT FEB 22 2003 UPDATED TO ISSUE FLOOD WATCH FOR ALL REMAINING COUNTIES IN THE CWFA...INCREASED CHANCE OF RAIN...AND REMOVED DENSE FOG ADVISORY FOR ALL BUT THE NORTHERN FOOTHILLS. MORE WHEN UPPER AIR ANALYSIS IS COMPLETE. FCSTID = 44 GSP 43 57 37 60 / 80 10 20 20 AND 44 59 36 61 / 80 0 20 20 CLT 45 60 37 59 / 80 0 20 20 HKY 41 54 35 55 / 80 10 20 20 AVL 40 50 33 55 / 80 10 20 20 .GSP... GA...FLOOD WATCH FOR TONIGHT FOR ZONES GAZ010...GAZ017>018... GAZ026...GAZ028>029. NC...FLOOD WATCH FOR TONIGHT FOR ZONES NCZ033>037...NCZ048>059...NCZ062>072...NCZ082. WIND ADVISORY FOR LATE TONIGHT FOR ZONES NCZ033...NCZ048>050. DENSE FOG ADVISORY FOR THIS EVENING FOR ZONES NCZ034>054-055. SC...FLOOD WATCH FOR TONIGHT FOR ZONES SCZ001>014...SCZ019. BURRUS
Hazardous weather outlook, Feb 22, 6:19 AM EST, 14 hours 41 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-221300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 619 AM EST SAT FEB 22 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...WIDESPREAD SHOWERS AND THUNDERSTORMS WILL AFFECT THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. SOME OF THE STORMS WILL LIKELY BE SEVERE...ESPECIALLY LATE THIS MORNING INTO THIS AFTERNOON. HEAVY RAINFALL COULD ALSO PRODUCE ISOLATED FLASH FLOODING. WINDS WILL REMAIN STRONG AFTER THE PRECIPIATION ENDS TONIGHT...ESPECIALLY ACROSS THE MOUNTAINS. FOR MORE INFORMATION...SEE CAESPSGSP. .DAYS TWO THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED BY EARLY AFTERNOON... ESPECIALLY ALONG THE I-85 CORRIDOR. LANE
In the hours before
Special weather statement, Feb 22, 5:12 PM EST, 3 hours 48 minutes before
GAZ010-017-NCZ033-048>053-058-059-062>065-SCZ001>003-230015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 512 PM EST SAT FEB 22 2003 SCATTERED...STRONG...THUNDERSTORMS WILL CONTINUE TO DEVELOP OVER THE MOUNTAINS OF THE WESTERN CAROLINAS...AND NORTHEAST GEORGIA...THROUGH THE EVENING HOURS. THE STORMS WILL RACE NORTHEAST AT AROUND 50 MPH. HAIL UP TO A HALF INCH IN DIAMETER...AND WINDS OF 40 TO 50 MPH...WILL ACCOMPANY THE STRONGER STORMS. MCAVOY
Special weather statement, Feb 22, 7:35 PM EST, 1 hour 25 minutes before
GAZ018-026-028-029-NCZ033>037-048>050-052>057-064>072-082-SCZ001>014- 019-230330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 735 PM EST SAT FEB 22 2003 ...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPING OVER THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... A STATIONARY FRONT RUNNING ROUGHLY ALONG INTERSTATE 85 THROUGH THE NORTH CAROLINA PIEDMONT...AND UPSTATE SOUTH CAROLINA...WILL SERVE AS THE FOCUSING MECHANISM FOR STRONG THUNDERSTORMS OVER THE NEXT SEVERAL HOURS. THESE STORMS WILL RACE TO THE NORTHEAST AT AROUND 50 MPH. HOWEVER...SEVERAL STORMS WILL AFFECT THE SAME AREA...IN AN EFFECT KNOWN AS TRAINING. THIS WILL RESULT IN SOME AREAS SEEING 1 TO 2 INCHES OF RAIN IN A SHORT PERIOD OF TIME. THE STRONGER STORMS WILL ALSO PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING...40 TO 50 MPH WINDS AND HAIL UP TO A HALF INCH IN DIAMETER. IN THE NORTH CAROLINA MOUNTAINS...A LINE OF STRONG THUNDERSTORMS WILL PRODUCE TORRENTIAL RAIN...FREQUENT CLOUD TO GROUND LIGHTNING AND SMALL HAIL ALONG AND EAST OF A LINE FROM BREVARD TO BUNCOMBE AND BAKERSVILLE. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO MONITOR THE PROGRESS OF THIS DEVELOPING WEATHER SITUATION. MCAVOY
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 22, 9:19 PM EST | Severe Thunderstorm Warning | GSP | Greenville | 26 min |
Nearby
Severe Thunderstorm Warnings in South 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.