Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 73, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 2, 1999, 3:01 PM EDT for Buncombe County, North Carolina. It was in force for 34 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 2, 1999, 3:01 PM EDT (19:01 UTC)
- Expired
- Jul 2, 1999, 3:35 PM EDT
- In force
- 34 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Buncombe County, NC
The radar
The Greer radar (KGSP), 86 km from the middle of the area, began a volume at 19:04 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 nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.0 hours before the alert went out and 308 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
- 406 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 758 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 2, 2:35 PM EDT, 26 minutes earlier.
Area forecast discussion, Jul 2, 2:35 PM EDT, 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 235 PM EDT FRI JUL 2 1999 WILL HAVE TO CONTINUE TO WATCH AREA ACRS SW NC/NE GA THRU MID-EVENING AS SLOWLY SOUTHWARD SINKING VORT...AS PER 15Z RUC...FOCUSES SLOW MOVING TSTMS IN THIS AREA BEFORE ETA TRENDS SHIFT STONGER OMEGA FURTHER SOUTHWEST OVERNIGHT. WILL DECIDE NEAR ZFP ISSUE TIME WHETHER TO INCLUDE AN EVENING PERIOD MENTIONING HIGHER POPS & HEAVY RAIN THREAT...ESP IN AFOREMENTIONED AREA. ELSEWHERE & FOR THE REST OF TONIGHT...ELONGATED VORT AXIS & OMEGA FIELDS KEEP SOME LIFT ACRS THE MTNS BEFORE SHEARING THIS FEATURE OUT SATURDAY. ABOVE NORMAL PWS & VERY WEAK STEERING CURRENTS COULD MEAN HVY RAIN PRODUCING...SLOW MOVING TSTMS AGAIN TONIGHT...NOT JUST WHERE SYNOPTIC SCALE LIFT IS GREATEST BUT ALONG ANY SMALLER SCALE BNDRYS EAST OF THE MTNS AS WELL. GIVEN UNCERTAINTY ON HOW MUCH CVRG WELL HAVE TONIGHT...30 POP SHOULD COVER IT ACRS FTHLS/PIEDMONT. UPPER RIDGE STILL PROGGED TO BUILD OVER AREA TOMORROW WITH 594+ DM 500 MB HEIGHTS & SLOWLY WARMING TEMPS ALOFT. BEST CHCS TO OBTAIN 30% TSTM CVRG WILL BE IN MTNS & ALONG RIDGE PERIPHERY...SO PLAN ON CONFINING POPS TO NC...& GA MTNS. LITTLE CHG IN THE PATTERN THRU SUNDAY WITH UPPER RIDGE STREGTHENING & BECOMING CENTERED A LITTLE BIT FURTHER NORTH IN THE MIDDLE ATLANTIC REGION. AGAIN...POPS LIMITED TO JUST THE MTNS. IN THE EXTENDED...PATTERN DEVELOPS TROUGHINESS IN EAST BY DAY 5 & WILL REINTRODUCE PCPN CHCS CWFA WIDE ON WEDNESDAY. AVL 67/85/66/88 4333 CLT 71/88/70/92 3221 GSP 70/89/69/92 3221 .GSP...NONE. CSH
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 9:56 PM EDT | Flash Flood Warning | GSP | Iredell, Rowan | 3 hr |
| Jul 2, 2:53 PM EDT | Flash Flood Warning | GSP | Buncombe | 2 hr |
Nearby
Severe Thunderstorm Warnings in North Carolina, 1999Every severe thunderstorm warning in 1999
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.