Alert archive / North Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 195, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 10, 2003, 7:13 PM EDT for Graham County, Swain County, North Carolina. It was in force for 47 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 10, 2003, 7:13 PM EDT (23:13 UTC)
- Expired
- Jul 10, 2003, 8:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Graham County, NC, Swain County, NC
The radar
The Knoxville radar (KMRX), 87 km from the middle of the area, began a volume at 23:13 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 10, 5:50 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.2 hours before the alert went out and 240 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
- 1832 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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, 5:51 PM EDT, 1 hour 22 minutes earlier.
Area forecast discussion, Jul 10, 5:51 PM EDT, 1 hour 22 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 551 PM EDT THU JUL 10 2003 AN UPDATE WILL BE FORTHCOMING SOON FOR SEVERE THUNDERSTORM WATCH NUMBER 718...INCORPORATING ALL OF THE NORTH CAROLINA MOUNTAINS AND OUR NORTHERN FOOTHILLS. FCSTID = 44 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. BURRUS
Hazardous weather outlook, Jul 10, 6:04 AM EDT, 13 hours 9 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, 1:23 PM EDT, 5 hours 50 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, 4 hours 28 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, 3 hours 48 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
Local storm report, Jul 10, 5:14 PM EDT, 1 hour 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE SPARTANBURG SC
514 PM EDT THU JUL 10 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
347 PM WAXHAW NC WIND DAMAGE
07/10/03 UNION TREES DOWN. REPORTED BY
DOT.
417 PM MARSHVILLE NC WIND DAMAGE
07/10/03 UNION 2 TREES DOWN. REPORTED BY
DOT.
MCAVOYThe 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, 3:54 PM EDT | Severe Thunderstorm Warning | GSP | Union | 51 min |
| Jul 10, 11:58 AM EDT | Severe Thunderstorm Warning | GSP | Anderson | 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.