Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 246, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 15, 2002, 5:55 PM EDT for Catawba County, North Carolina. It was in force for 35 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
- Aug 15, 2002, 5:55 PM EDT (21:55 UTC)
- Expired
- Aug 15, 2002, 6:30 PM EDT
- In force
- 35 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Catawba County, NC
The radar
The Greer radar (KGSP), 126 km from the middle of the area, began a volume at 21:55 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.9 hours before the alert went out and 127 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
- 1140 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
864 WUUS52 KGSP 152155 SVRGSP NCC035-152230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 555 PM EDT THU AUG 15 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEAST CATAWBA COUNTY IN THE PIEDMONT OF NORTH CAROLINA * UNTIL 630 PM EDT * AT 555 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTHEAST OF NEWTON...OR ABOUT OVER CLAREMONT...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN IN RURAL AREAS OF NORTHERN CATAWBA COUNTY 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. $$ 07
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 15, 2:55 PM EDT, 3 hours earlier.
Area forecast discussion, Aug 15, 2:55 PM EDT, 3 hours before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 255 PM EDT THU AUG 15 2002 GULF MOISTURE REMAINS OVER SE U.S. WITH A VERY WEAK SHORTWAVE TROF INDICATED ALOFT. AFTERNOON HEATING AND WEAK UPSLOPE FLOW OVER MOUNTAINS ARE HELPING GET THINGS GOING. EXPECT SCT SHOWERS TSTMS TO CONTINUE THRU THIS EVENING AND OVERNIGHT. A WEAK FRONTAL BOUNDARY IS FORECAST TO PUSH THROUGH THE AREA SUNDAY NIGHT THEN WASH OUT TO THE SOUTH. TEMPS WILL NOT BE AFFECTED MUCH THIS FAR S BUT A CHANCE OF RAIN HAS BEEN ADDED THRU SUNDAY NIGHT...WITH DRYER COND FORECAST AS UPPER RIDGE AND SFC HIGH PRESSURE WILL BUILD OVER THE AREA MON THRU THU. FCSTID = 77 GSP 71 87 70 90 / 40 50 40 30 AND 71 87 70 91 / 40 50 40 30 CLT 72 89 71 91 / 40 50 40 30 HKY 70 86 70 89 / 40 50 40 30 AVL 66 83 66 84 / 40 60 50 30 .GSP... GA...NONE. NC...NONE. SC...NONE. RB/LGL
Nearby
Severe Thunderstorm Warnings in North Carolina, 2002Every severe thunderstorm warning in 2002
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.