Alert archive / North Carolina / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 272, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 20, 2003, 6:52 PM EDT for Burke County, North Carolina. It was in force for 38 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 20, 2003, 6:52 PM EDT (22:52 UTC)
- Expired
- Jul 20, 2003, 7:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Burke County, NC
The radar
The Greer radar (KGSP), 115 km from the middle of the area, began a volume at 22:53 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, 10.9 hours before the alert went out and 178 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
- 278 J/kg
- Mixed-layer CIN
- -137 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
589
WUUS52 KGSP 202252
SVRGSP
NCC023-202330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
652 PM EDT SUN JUL 20 2003
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BURKE COUNTY IN WESTERN NORTH CAROLINA
* UNTIL 730 PM EDT
* AT 652 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM 13 MILES SOUTHEAST OF NEWLAND...OR ABOUT 5 MILES NORTH
OF TABLE ROCK...MOVING SOUTHWEST AT 5 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
JONAS RIDGE AT 710 PM EDT.
TABLE ROCK AT 730 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 3594 8177 3587 8169 3579 8180 3573 8190
3581 8198 3583 8193 3591 8192 3597 8194
3600 8189
$$
07What 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 20, 3:17 PM EDT, 3 hours 35 minutes earlier.
Area forecast discussion, Jul 20, 3:17 PM EDT, 3 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 317 PM EDT SUN JUL 20 2003 88D CURRENTLY SHOWING SCATTERED CONVECTION OVER THE UPPER SAVANNAH...THIS ACTIVITY SHOULD SLOWLY MOVE SSE OVER THE REST OF THIS AFTERNOON AND EARLY EVENING. OTHERWISE...WILL USE ISOLATED POPS THROUGH MIDNIGHT AS ADDITIONAL CONVECTION MAY FIRE OVER THE HIGHER TERRAIN AND WITHIN THE LEE TROUGH. WILL ALSO WORD IN FOG...POSSIBLY DENSE IN THE MOUNTAIN VALLEYS...DEVELOPING AFTER MIDNIGHT. MON AFTERNOON...SH/TS SHOULD DEVELOP MAINLY OVER THE MOUNTAINS IN ADVANCE OF A APPROACHING COLD FRONT AND H5 TROF. PRECIP BAND SHOULD CROSS OVER THE SPINE OF THE APPALACHIANS BY 3Z TUE AND SLOWLY MIGRATE EASTWARD. FRONT WILL LINGER OVER THE FA OVERNIGHT AND WILL KEEP CHANCES THROUGH TUES MORNING. BY TUES AFTERNOON AND NIGHT WILL RAMP UP TO LIKELY AS TROF AXIS AND JET DIVERGENCES ARRIVES...TAPERING TO CHC AROUND MIDNIGHT. EXTENDED PERIOD STARTS WITH A COLD FRONT TO THE EAST AND AMPLIFIED H5 TROF OVER THE APPALACHIANS. INTERESTING TO SEE THAT THE 06/12Z GFS CARRIES A WRAPPED LOW OVER THE FA TUES NIGHT...THIS FEATURE WILL BE MAINLY DISREGARDED AS IT IS A RESULT OF EXCESSIVE FEEDBACK. WILL CONTINUE HIGH CHC POPS FOR WED AS TROF REMAINS OVERHEAD AND FRONT MAY SLOW DUE TO A WEAKER VERSION OF A FRONTAL WAVE. GFS SHOWS THAT CANADIAN HIGH PRESSURE REMAINS OVER THE FA OVER THE MID WEEK AND WILL MERGE WITH BERMUDA HIGH ON FRI. THU THRU SAT...WILL RUN A DRY FORECAST...ALTHOUGH CONVECTION MAY ACTUALLY BE ISOLATED...WITH HIGH BUILDING OVER THE EAST COAST. BY SUNDAY...DEEP MOISTURE WILL MOVE OVER THE CWA AND WILL CARRY POPS FOR AFTERNOON CONVECTION. FCSTID = 16 GSP 70 89 70 86 / 20 30 50 60 AND 71 89 69 87 / 30 30 50 60 CLT 68 90 71 85 / 20 30 40 60 HKY 68 88 69 83 / 20 30 40 60 AVL 63 83 65 81 / 20 40 50 60 .GSP... GA...NONE. NC...NONE. SC...NONE. NED
Hazardous weather outlook, Jul 20, 6:14 AM EDT, 12 hours 38 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>013- 019-201200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 614 AM EDT SUN JUL 20 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE...TODAY AREAS OF DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN A QUARTER MILE ACROSS MUCH OF THE NORTH CAROLINA PORTION OF THE FORECAST AREA THIS MORNING...WHILE THE DENSE FOG WILL BE MORE PATCHY IN THE UPSTATE AND EXTREME NORTHEAST GEORGIA. THE FOG WILL BURN OFF STEADILY THROUGH MID MORNING. LATER THIS AFTERNOON...ISOLATED SHOWERS AND THUNDERSTORMS ARE EXPECTED AS A RESULT OF DAYTIME HEATING. ANY THUNDERSTORM TODAY HAS THE POTENTIAL TO BECOME STRONG...WITH WIND GUSTS TO AROUND 40 MPH. .DAYS TWO THROUGH SEVEN... SCATTERED SHOWERS AND THUNDERSTORMS ARE ANTICIPATED MONDAY. STORMS ACROSS THE MOUNTAINS COULD BE SEVERE...AND AN ISOLATED SEVERE THUNDERSTORM COULD AFFECT THE FOOTHILLS AND PIEDMONT. A STRONG COLD FRONT WILL DROP INTO THE SOUTHEAST STATES MONDAY NIGHT AND TUESDAY...BRINGING WIDESPREAD COVERAGE OF SHOWERS AND THUNDERSTORMS. ANY LOCATION IN THE FORECAST AREA COULD SEE SEVERE WEATHER ON TUESDAY. THE CHANCE OF SHOWERS AND THUNDERSTORMS WILL LINGER THROUGH THURSDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY. BURRUS
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 8:34 PM EDT | Severe Thunderstorm Warning | GSP | Gaston | 41 min |
| Jul 19, 9:09 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland | 51 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.