Alert archive / North Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 194, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2003, 3:54 PM EDT for Union County, North Carolina. It was in force for 51 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 10, 2003, 3:54 PM EDT (19:54 UTC)
- Expired
- Jul 10, 2003, 4:45 PM EDT
- In force
- 51 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Union County, NC
The radar
The Columbia radar (KCAE), 121 km from the middle of the area, began a volume at 19:57 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.
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, 7.9 hours before the alert went out and 141 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
- 117 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 1108 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 101954 SVRGSP NCC179-102045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 353 PM EDT THU JUL 10 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA * UNTIL 445 PM EDT * AT 353 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES WEST OF MONROE...OR ABOUT 6 MILES EAST OF WAXHAW...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MONROE AT 400 PM EDT. FAIRVIEW AT 405 PM EDT. WINGATE AT 410 PM EDT. MARSHVILLE AT 420 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. LAT...LON 3499 8080 3484 8075 3483 8033 3518 8053 $$ LGL/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 Jul 10, 3:27 PM EDT, 27 minutes earlier.
Area forecast discussion, Jul 10, 3:27 PM EDT, 27 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 327 PM EDT THU JUL 10 2003 MCS CURRENTLY MAKING ITS WAY ACROSS THE UPSTATE AND THE NC PIEDMONT. IN ITS WAKE IS A NEARLY SATURATED BL WITH TEMPS GENERALLY IN THE LOWER 70S. UPSTREAM ANOTHER CONVECTIVE COMPLEX HAS DEVELOPED OVER NORTHERN GA...AND WILL FOLLOW TRACK OF THE FIRST. WITH LITTLE TIME FOR THE AIRMASS TO RECOVER WILL EXPECT A SLOW WANING OF THE STRENGTH OF THE ACTIVITY. FURTHER UPSTREAM...OVER CENTRAL TN...ANOTHER MCS HAS DEVELOP AHEAD OF AN MCV/VORT BAND. THIS ACTIVITY HAS THE POTENTIAL TO DEVELOP INTO A QUICK MOVING LINEAR BAND AND TRACK ENE TOWARD THE FA. WIND DAMAGE WILL BE THE PRIMARY CONCERN...SOME STORMS MAY BE ABLE TO PRODUCE HAIL AROUND A PENNY...WILL LEAVE SVR WATCH UNTOUCHED. VORT OVER TN WILL MIGRATE EAST TONIGHT AND WILL EXPECT SH/TS TO ACCOMPANY ITS PASSAGE. WILL EXTEND LIKELY POPS TO THE WEST OVER NIGHT...TO THE EAST WILL REDUCE POPS TO A GOOD CHC OVERNIGHT. ETA AND GFS BRING THE SFC FRONT SLOWLY ACROSS THE FA FRI. I WILL TREND POPS EAST WITH EXPECTED FROPA...BY THE LATE AFTERNOON WILL LIMIT CHC TO THE EAST OF THE NC MTNS. GFS AND ETA ARE SURPRISINGLY SIMILAR FOR SAT AS BOTH MODELS SPAWN A MCS OVER THE MS VALLEY SAT AM. I BELIEVE THAT THE MODEL SOLUTION OF BRINGING THE ACTIVITY THIS FAR EAST IS OVERDONE...WILL GO SCHC IN THE LATE AFTERNOON WHICH IS IN AGREEMENT WITH MOS GUIDANCE. MEDIUM RANGE MODELS CONTINUE TO SHOW FA UNDER LONGWAVE TROF THROUGH THE EXTENDED. TROF AMPLIFIES FROM SUN TO TUE AND WOULD EXPECT BEST COVERAGE OF CONVECTION TO FOLLOW. HOWEVER...WITH THE HARDSHIP OF TIMING POTENTIAL MCSS AND SHORTWAVES WILL LIMIT PRECIP WORDING TO THE AFTERNOON AND EVENING WITH FAVOR GIVEN TO THE HIGH TERRAIN. LITTLE CHANGE IN THE TEMP FORECAST...WILL KEEP TEMPS WITHIN ENSEMBLE SPREAD. FCSTID = 16 GSP 69 88 66 88 / 70 50 30 20 AND 69 89 67 89 / 70 50 30 20 CLT 70 89 67 90 / 60 40 40 20 HKY 68 86 65 86 / 60 50 30 20 AVL 66 83 59 83 / 70 50 20 20 .GSP... GA...NONE. NC...NONE. SC...NONE. NED
Hazardous weather outlook, Jul 10, 6:04 AM EDT, 9 hours 50 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-101200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 604 AM EDT THU JUL 10 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... THUNDERSTORMS ARE EXPECTED TODAY...WITH A FEW POSSIBLY BECOMING SEVERE AND SOME PRODUCING LOCALIZED HEAVY RAINFALL. FOR FURTHER DETAILS...REFER TO THE LATEST SPECIAL WEATHER STATEMENT...SPSGSP... ISSUED BY THIS OFFICE. .DAYS TWO THROUGH SEVEN... MORE THUNDERSTORMS ARE EXPECTED ON FRIDAY...WITH DAILY CHANCES RETURNING AGAIN SUNDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED.
In the hours before
Special weather statement, Jul 10, 12:36 PM EDT, 3 hours 18 minutes before
SCZ006-011-012-019-101720- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1236 PM EDT THU JUL 10 2003 NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF VERY HEAVY THUNDERSTORMS MOVING THROUGH WESTERN SOUTH CAROLINA THIS AFTERNOON. AT 1230 PM EDT THE STORMS WERE IN ANDERSON AND ABBEVILLE COUNTIES...STORMS ARE MOVING TOWARD THE EAST AT 25 MPH. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE UPSTATE OF SOUTH CAROLINA AND THESE STORM MAY PRODUCE WINDS OF MORE THAN 50 MPH AND PENNY SIZE HAIL OR LARGER. THERE HAVE BEEN MANY REPORTS OF VERY HEAVY RAIN AND FREQUENT LIGHTNING WITH THESE STORMS. PEOPLE THROUGHOUT THE UPSTATE SHOULD MONITOR THESE STORMS AS THEY MOVE ACROSS THE AREA AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF A WARNING IS ISSUED. DICARLO
Special weather statement, Jul 10, 1:23 PM EDT, 2 hours 31 minutes before
SCZ007-008-012-013-019-101815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 123 PM EDT THU JUL 10 2003 NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF VERY HEAVY THUNDERSTORMS MOVING ACROSS THE UPSTATE OF SOUTH CAROLINA THIS AFTERNOON. THE THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH SPARTANBURG...LAURENS AND GREENWOOD COUNTIES BY 200 PM. THE STORMS WILL THEN MOVE THROUGH CHEROKEE AND UNION COUNTIES BY 230 PM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE UPSTATE OF SOUTH CAROLINA AND THESE STORM MAY PRODUCE WINDS OF MORE THAN 50 MPH AND PENNY SIZE HAIL OR LARGER. THERE HAVE BEEN MANY REPORTS OF VERY HEAVY RAIN AND FREQUENT LIGHTNING WITH THESE STORMS. PEOPLE THROUGHOUT THE UPSTATE SHOULD MONITOR THESE STORMS AS THEY MOVE ACROSS THE AREA AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF A WARNING IS ISSUED. DICARLO
Special weather statement, Jul 10, 2:45 PM EDT, 1 hour 9 minutes before
NCZ071-082-SCZ008-009-013-014-101915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 245 PM EDT THU JUL 10 2003 AT 245 PM... NATIONAL WEATHER SERVICE RADAR AND SATELLITE IMAGERY SHOWED A CLUSTER OF SHOWERS AND THUNDERSTORMS OVER SOUTHERN CHEROKEE COUNTY AND NORTHERN UNION COUNTY MOVING TOWARD THE EAST NORTHEAST AT 15 TO 20 MPH. NEW THUNDERSTORMS WERE DEVELOPING ACROSS YORK COUNTY. ALL OF THE SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE SOUTHERN PORTION OF THE CHARLOTTE METRO AREA. BOATERS ON LAKE WYLIE SHOULD BE PREPARED TO MOVE TO AN AREA OF SAFETY. SEVERAL SMALL DEVELOPING THUNDERSTORMS WERE IN SOUTHERN MECKLENBURG COUNTY... NEAR PINEVILLE... AT 245 PM. HOWEVER... MOST OF THE THUNDERSTORMS APPROACHING FROM THE SOUTHWEST WILL NOT ARRIVE IN MECKLENBURG COUNTY UNTIL AFTER 315 PM. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE CHARLOTTE METRO AREA UNTIL 600 PM. LGL
Special weather statement, Jul 10, 3:25 PM EDT, 29 minutes before
NCZ070>072-082-SCZ009-014-101955- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 325 PM EDT THU JUL 10 2003 AT 325 PM... SHOWERS AND THUNDERSTORMS EXTENDED IN AN ARC FROM NEAR KINGS MOUNTAINS SOUTHEAST TO ROCK HILL THEN SOUTH THROUGH RICHBURG IN CHESTER COUNTY. A WIND GUST TO 41 MPH WAS RECORDED AT THE ROCK HILL AIRPORT IN YORK COUNTY AT 311 PM. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST NORTHEAST AT APPROXIMATELY 20 MPH. THEY WILL MOVE THROUGH THE CHARLOTTE METROPOLITAN AREA BEFORE 430 PM. LOCALLY HEAVY RAIN... STRONG AND GUSTY WIND... AND POSSIBLY SMALL HAIL WILL OCCUR. LAKE WYLIE WILL EXPERIENCE THUNDERSTORM WEATHER. BOATERS AND SWIMMERS IN LAKE NORMAN SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS THE THUNDERSTORMS TRAVEL TOWARD THE NORTHEAST. THE THUNDERSTORMS WILL BE VERY CLOSE TO THE SOUTHERN END OF LAKE NORMAN BY 400 PM. ANYONE OUTSIDE SHOULD REMEMBER THAT LIGHTNING ACCOMPANIES ALL THUNDERSTORMS. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE CHARLOTTE METRO AREA UNTIL 600 PM. LGL
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 2:13 PM EDT | Severe Thunderstorm Warning | GSP | Rutherford | 62 min |
| Jul 10, 7:13 PM EDT | Severe Thunderstorm Warning | GSP | Graham, Swain | 47 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.