Alert archive / North Carolina / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 97, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 4, 2002, 1:37 PM EDT for Swain 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 counties it named.
The facts
- Issued
- Jun 4, 2002, 1:37 PM EDT (17:37 UTC)
- Expired
- Jun 4, 2002, 2:15 PM EDT
- In force
- 38 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 17:37 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, 5.6 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
- 1014 J/kg
- Mixed-layer CIN
- -208 J/kg
- Mixed-layer LCL
- 1403 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
559 WUUS52 KGSP 041737 SVRGSP NCC173-041815- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 136 PM EDT TUE JUN 4 2002 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SWAIN COUNTY IN WESTERN NORTH CAROLINA * UNTIL 215 PM EDT * AT 135 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 9 MILES WEST OF BRYSON CITY...OR ABOUT 3 MILES NORTHWEST OF ALMOND...MOVING EAST AT 10 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR FONTANA. * SEVERE THUNDERSTORMS WILL BE NEAR... FONTANA LAKE THROUGH 150 PM EDT. LUADA AT 150 PM EDT. BRYSON CITY AT 205 PM EDT. CHEROKEE AT 215 PM EDT. A SPOTTER REPORTED NICKEL SIZED HAIL WITH THIS STORM IN STECOAH. 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. THIS SLOW MOVING SEVERE THUNDERSTORM MAY CAUSE FLOODING OF URBAN AREAS...LOW AREAS AND SMALL STREAMS. $$ WAJ/BPM
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 Jun 4, 10:12 AM EDT, 3 hours 25 minutes earlier.
Area forecast discussion, Jun 4, 10:12 AM EDT, 3 hours 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1012 AM EDT TUE JUN 4 2002 12Z UA ANALYSES INDICATE UPPER RIDGE STILL DOMINATING THE PATTERN OVER THE SE US...BUT COLD TROUGH NOTED AT 500 MB OVER THE CWFA & MID-LVL TEMPS IN GENERAL ARE SLIGHTLY COOLER THAN YSTDY. MODIFIED 12Z SNDGS YIELDED SBCAPES 3000-4000 J/KG THIS AFTERNOON WITH TRIGGERS FOR DEEP CONVECTION BEING MAINLY MESO BNDRYS & TERRAIN AIDED...WITH THE SSW LLVL FLOW. 00Z ETA DID INDICATE A WEAK S/WV & OMEGA BULLSEYE SKIRTING ACRS THIS AFTERNOON ALONG WITH A BULLSEYE OF UPPER LVL DIVERGENCE...BUT TOUGH TO PICK OUT ANY FEATURES ON ANALYZED 12Z CHARTS. AT ANY RATE...GIVEN DEGREE OF INSTABILITY & WEAK WIND SHEAR...SOME PULSE SEVERE POSSIBLE. ANYTHING MORE THAN TWEAKS IN MAXES/WINDS/POPS DOUBTFUL IN ZFP. FCSTID = 55 GSP 92 71 92 70 / 30 30 30 30 AND 92 71 92 70 / 30 30 30 30 CLT 93 70 93 70 / 30 20 30 30 HKY 92 69 89 69 / 20 20 30 30 AVL 86 66 85 66 / 40 30 40 40 .GSP... GA...NONE. NC...NONE. SC...NONE.
In the hours before
Special weather statement, Jun 4, 11:31 AM EDT, 2 hours 6 minutes before
GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-042030- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1131 AM EDT TUE JUN 4 2002 ...A FEW SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... ANOTHER HOT AND HUMID AFTERNOON WILL RESULT IN A VERY UNSTABLE AIRMASS ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID AFTERNOON ACROSS THE HIGHER TERRAIN OF SOUTHWEST NORTH CAROLINA. THE DEGREE OF INSTABILITY EXPECTED THIS AFTERNOON INDICATES THAT THESE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE...PRODUCING HAIL AS LARGE AS QUARTERS AND WIND GUSTS TO 70 MPH. AS THE AFTERNOON PROGRESSES...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE PIEDMONT AND FOOTHILLS. THE POTENTIAL FOR ISOLATED SEVERE WEATHER WILL EXIST WITH THESE STORMS AS WELL. IN ADDITION TO THE SEVERE WEATHER THREAT...STORMS DEVELOPING TODAY ARE EXPECTED TO MOVE VERY SLOWLY...WITH EXTREMELY HEAVY RAINFALL LIKELY. LOCAL FLASH FLOODING COULD RESULT...ESPECIALLY IF A STORM DEVELOPS OVER AN URBAN AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST STATEMENTS...WATCHES...OR WARNINGS. JONES
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 1:24 PM EDT | Severe Thunderstorm Warning | GSP | Madison | 66 min |
| Jun 4, 2:31 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Haywood | 59 min |
| Jun 4, 2:33 PM EDT | Severe Thunderstorm Warning | GSP | Madison | 57 min |
| Jun 4, 2:42 PM EDT | Severe Thunderstorm Warning | GSP | Swain | 63 min |
| Jun 4, 3:14 PM EDT | Severe Thunderstorm Warning | GSP | Jackson | 46 min |
| Jun 4, 3:27 PM EDT | Severe Thunderstorm Warning | GSP | McDowell, Yancey | 48 min |
| Jun 4, 3:31 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 44 min |
| Jun 4, 4:16 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 59 min |
| Jun 4, 4:33 PM EDT | Flash Flood Warning | GSP | Haywood | 3 hr |
| Jun 4, 4:41 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Madison | 64 min |
| Jun 4, 5:03 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 57 min |
| Jun 4, 5:40 PM EDT | Severe Thunderstorm Warning | GSP | Jackson | 35 min |
| Jun 4, 6:46 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 44 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.