Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 1, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jan 24, 2002, 7:59 AM EST for Swain County, North Carolina. It was in force for 61 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
- Jan 24, 2002, 7:59 AM EST (12:59 UTC)
- Expired
- Jan 24, 2002, 9:00 AM EST
- In force
- 61 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Whole counties
County Swain County, NC
The radar
The Knoxville radar (KMRX), 76 km from the middle of the area, began a volume at 13:03 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 |
|---|---|---|---|
| Jan 24, 8:15 AM EST | Thunderstorm Wind 50 E | Lauada, NC | A few trees were blown down around Fontana Lake. In addition, a power line was blown down, resulting in a power outage. |
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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.0 hours before the alert went out and 253 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
- 10 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 242 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 241259 SVRGSP NCC173-241400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 800 AM EST THU JAN 24 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SWAIN COUNTY IN WESTERN NORTH CAROLINA * UNTIL 900 AM EST * AT 758 AM EST...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS 13 MILES SOUTHEAST OF MARYVILLE... OR ABOUT 22 MILES NORTHWEST OF ALMOND...MOVING SOUTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... NEWFOUND GAP AT 815 AM EST. ALMOND AT 825 AM EST. LUADA AT 830 AM EST. SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 TO 100 MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY DAMAGE MOBILE HOMES AND SOMETIMES BUILDINGS. VERY LARGE OR WIND-DRIVEN HAIL CAN INJURE ANYONE CAUGHT OUTSIDE. DAMAGING WINDS ARE LIKELY TO OCCUR WELL AHEAD OF THE LINE OF STORMS. $$ JONES
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 Jan 24, 7:19 AM EST, 40 minutes earlier.
Area forecast discussion, Jan 24, 7:19 AM EST, 40 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 719 AM EST THU JAN 24 2002 WILL ISSUE UPDATE TO REMOVE DENSE FOG ADVISORY FROM PIEDMONT AND FOOTHILLS. ALSO...WITH SQUALL LINE MAKING ITS WAY INTO EAST TENNESSEE...WILL ALLOW FOR AN EARLIER START TO PRECIP IN MOUNTAINS. LANE .GSP... NC...FLOOD WATCH FOR THIS AFTERNOON AND TONIGHT FOR ZONES NCZ048...NCZ051>053...NCZ058>059 GA...NONE. SC...NONE.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 8:30 AM EST | Severe Thunderstorm Warning | GSP | Haywood, Madison | 60 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.