Alert archive / North Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 377, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 26, 2003, 4:42 PM EDT for Jackson County, North Carolina. It was in force for 63 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
- Aug 26, 2003, 4:42 PM EDT (20:42 UTC)
- Expired
- Aug 26, 2003, 5:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Jackson County, NC
The radar
The Greer radar (KGSP), 96 km from the middle of the area, began a volume at 20:45 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.7 hours before the alert went out and 251 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
- 915 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 19 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 262042 SVRGSP NCC099-262145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 442 PM EDT TUE AUG 26 2003 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JACKSON COUNTY IN WESTERN NORTH CAROLINA * UNTIL 545 PM EDT * AT 442 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES SOUTHEAST OF SYLVA...OR ABOUT 4 MILES NORTH OF TUCKASEGEE. THE STORM WAS NEARLY STATIONARY. * THE SEVERE THUNDERSTORM WILL BE NEAR... CULLOWHEE AT 545 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 3520 8310 3533 8295 3553 8312 3534 8335 $$ RB
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 Aug 26, 3:12 PM EDT, 1 hour 30 minutes earlier.
Area forecast discussion, Aug 26, 3:12 PM EDT, 1 hour 30 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 312 PM EDT TUE AUG 26 2003 ISOLATED SHOWERS AND THUNDERSTORMS HAVE FORMED OVER SOME OF THE HIGHER TERRAIN IN WESTERN NORTH CAROLINA. THESE SHOULD BE SHORT-LIVED BUT HAVE INCLUDED LOW CHANCE POPS INTO THE EVENING TO ACCOUNT FOR THIS PRECIPITATION. OTHERWISE... SURFACE HIGH PRESSURE AND RIDGE ALOFT WILL CONTINUE GENERALLY DRY AND VERY WARM WEATHER FOR THE NEXT SEVERAL DAYS. GUIDANCE SHOWS MID-LEVEL TEMPERATURES LOWER A DEGREE OR TWO THROUGH THURSDAY THUS WEAKENING SOMEWHAT THE CAPPING TENDENCY OF THE CURRENT AIRMASS. ALSO... LOW AND MID-LEVEL MOISTURE WILL BE INCREASING A BIT. EVEN THOUGH MAIN FRONT WILL REMAIN TO OUR NORTH THROUGH FRIDAY... WILL ADD LOW CHANCE POPS PRIMARILY TO MOUNTAINS AND FOOTHILLS FOR AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. SATURDAY THROUGH TUESDAY... SURFACE FRONT APPROACHES MOUNTAINS THEN BECOMES NEARLY STATIONARY IN A NORTHEAST/SOUTHWEST ORIENTATION BY MONDAY AND TUESDAY. DIURNAL FORCING FOR CONVECTION WILL GIVE WAY TO CHANCE OF SHOWERS/THUNDERSTORMS AT ANY TIME OF DAY. LOWERING THICKNESSES AND MORE CLOUDINESS WILL RESULT IN DAYTIME TEMPERATURES CLOSER TO NORMAL. FCSTID = 6 GSP 71 92 71 89 / 10 10 10 20 AND 72 92 72 89 / 10 10 10 20 CLT 71 93 71 90 / 10 10 10 10 HKY 69 91 69 88 / 10 10 10 20 AVL 67 88 67 85 / 20 10 10 30 .GSP... GA...NONE. NC...NONE. SC...NONE. LGL/RWH
Hazardous weather outlook, Aug 26, 5:55 AM EDT, 10 hours 47 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-261200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 555 AM EDT TUE AUG 26 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED NEXT WEEKEND AND LABOR DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. MCAVOY
In the hours before
Special weather statement, Aug 26, 4:05 PM EDT, 37 minutes before
GAZ010-017-018-026-028-029-NCZ034>037-054>057-066>072-082-SCZ001>014- 019-270130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 405 PM EDT TUE AUG 26 2003 ...HOT WEATHER WILL CONTINUE WEDNESDAY... THE HIGH PRESSURE SYSTEM THAT HAS BEEN DOMINATING THE WEATHER ACROSS THE SOUTHEASTERN STATES FOR THE PAST COUPLE OF DAYS WILL REMAIN IN PLACE THROUGH WEDNESDAY. HIGH TEMPERATURES IN THE LOWER 90S TOMORROW WILL COMBINE WITH RELATIVE HUMIDITIES IN THE 55 TO 65 PERCENT RANGE TO PRODUCE UNCOMFORTABLE HEAT INDICES. THE AFTERNOON HEAT INDEX ACROSS THE PIEDMONT AND FOOTHILLS OF THE WESTERN CAROLINAS AND EXTREME NORTHEAST GEORGIA WILL INCH ABOVE THE 100 MARK AT SOME LOCATIONS. WARM AND HUMID WEATHER WILL PERSIST INTO THE HOLIDAY WEEKEND... BUT MORE CLOUDINESS AND SCATTERED SHOWERS BY SATURDAY WILL RESULT IN HIGH TEMPERATURES CLOSER TO THE NORMAL FOR THIS TIME OF THE YEAR. LGL
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 4:48 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 42 min |
| Aug 26, 5:31 PM EDT | Flash Flood Warning | GSP | Jackson | 3 hr |
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.