Alert archive / North Carolina / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 118, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 11, 2001, 5:19 PM EDT for Davie County, North Carolina. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 11, 2001, 5:19 PM EDT (21:19 UTC)
- Expired
- Aug 11, 2001, 6:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Davie County, NC
The radar
The Roanoke radar (KFCX), 124 km from the middle of the area, began a volume at 21:19 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 11, 5:35 PM EDT | Thunderstorm Wind 50 E | Mocksville, NC | Trees brought down along highway 601 near William R. Davie Fire Station. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 60 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
- 254 J/kg
- Mixed-layer CIN
- -283 J/kg
- Mixed-layer LCL
- 1204 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 16 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 Aug 11, 2:35 PM EDT, 2 hours 44 minutes earlier.
Area forecast discussion, Aug 11, 2:35 PM EDT, 2 hours 44 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 235 PM EDT SAT AUG 11 2001 IMPULSES ROUNDING UPPER LEVEL TROUGH TO MOVE THROUGH AREA NEXT SEVERAL DAYS. PLENTY OF MOISTURE TO SUPPORT CONVECTION THIS EVENING. NC MOUNTAINS/FOOTHILLS ALREADY HAVE SUBSTANTIAL COVERAGE DESPITE LIMITED CAPE...AND WILL CONTINUE LIKELY THERE TONIGHT...WITH 50 POP E. BEST OMEGA AND DEEPEST MOISTURE SUN AFTERNOON AND EVENING... SUPPORTING LIKELY POPS. ON MON...MODELS SHOW LITTLE UPPER LEVEL ENERGY...AND ALTHOUGH LESS MOISTURE MON THAN ON SUN...STILL PLENTY FOR SCATTERED CONVECTION...AND WILL LEAVE POP AT 50. MINIMUM TEMPERATURES NEAR PERSISTENCE...WITH SLIGHT COOLING OF MAXIMUMS IN CLOUDS/PRECIP. IN EXTENDED...COLD FRONT IN AREA TUE...DRYING AREA OUT FOR WED. MOISTURE RETURNS N THU...WITH ANOTHER COLD FRONT MOVING THROUGH FRI. DRYING FROM N SAT. UNDERCUT GUIDANCE TEMPERATURES FRI SAT WITH SECOND FRONT. FCSTID = 7 GSP 72 85 72 85 / 50 60 60 50 AND 73 86 73 86 / 50 60 60 50 CLT 71 84 71 84 / 50 60 60 50 HKY 70 83 70 82 / 60 60 60 50 AVL 69 81 69 81 / 60 70 60 50 .GSP... GA...NONE. NC...NONE. SC...NONE.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 6:17 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Rowan | 43 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.