Alert archive / South Carolina / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 94, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 22, 2004, 4:23 PM EDT for Pickens County, South Carolina. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2004, 4:23 PM EDT (20:23 UTC)
- Expired
- Jun 22, 2004, 5:00 PM EDT
- In force
- 37 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Pickens County, SC
The radar
The Greer radar (KGSP), 47 km from the middle of the area, began a volume at 20:25 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.4 hours before the alert went out and 236 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
- 409 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
894 WUUS52 KGSP 222023 SVRGSP SCC077-222100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 422 PM EDT TUE JUN 22 2004 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... PICKENS COUNTY IN UPSTATE SOUTH CAROLINA * UNTIL 500 PM EDT * AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED ABOUT 5 MILES WEST OF PICKENS...AND MOVING EAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EASLEY AROUND 435 PM EDT 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. LAT...LON 3496 8288 3476 8285 3481 8248 3501 8256 $$ MOORE
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 22, 2:10 PM EDT, 2 hours 13 minutes earlier.
Area forecast discussion, Jun 22, 2:10 PM EDT, 2 hours 13 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 210 PM EDT TUE JUN 22 2004 .SHORT TERM... THUNDERSTORMS MOVING INTO NC MOUNTAINS AND ACROSS NRN GA SHOULD CONTINUE TO MOVE ACROSS CWA TONIGHT. LATEST ETA12 SHOWS NEAR 2000 BULLS EYE MOVING ACROSS NC FOOTHILLS INTO CHARLOTTE METRO BY 00Z. CONVECTIVE ACTIVITY EXPECTED TO BE GREATER TOMORROW IN ADVANCE OF COLD FRONT. SPC HAS US IN SLIGHT RISK SVR FOR TOMORROW. .LONG TERM... AFTER FRONTAL PASSAGE THINGS DRY OUT THURSDAY AND FRIDAY ALTHOUGH THERE IS SOME DISCREPANCY BETWEEN MODELS ON RETURN OF MOISTURE ON FRIDAY OR SATURDAY. RIGHT NOW KEEPING THOSE TWO DAYS FAIRLY DRY... BUT CONFIDENCE IS LOW FOR FRIDAY. SATURDAY SHOWS RETURN TO AFTN AND EVENING CONVECTION WITH NEAR SEASONAL TEMPS. ZONAL FLOW GIVES WAY TO A GOOD IMPULSE MOVING THROUGH ON SATURDAY...THEN A LITTLE DRIER EARLY NEXT WEEK. STILL KEEPING A MENTION OF THUNDERSTORMS IN FCST THROUGH PERIOD...JUST WITH MUCH LOWER POPS. TEMPS ARE NEAR SEASONAL. MOS TEMPS ARE WITHIN A COUPLE OF DEGREES SO NO MAJOR CHANGES TO TEMP FCST. && .AVIATION... LOW CLOUDS HAVE CLEARED EAST OF THE MOUNTAINS ALLOWING CUMULUS FIELD TO DEVELOP THIS AFTERNOON...INDICATIVE OF INCREASING SURFACE BASED INSTABILITY. THUNDERSTORM CONVECTION AHEAD OF SHORT WAVE MOVING INTO NC MOUNTAINS AS OF 17Z...WHICH SHOULD PROPAGATE INTO THE FAVORABLE ENVIRONMENT EAST OF MOUNTAINS LATER TODAY. IMMEDIATE THUNDERSTORM THREAT WILL BE AT AVL. WILL HANDLE OTHER TAF SITES WITH VCTS UNTIL TIMING IS MORE CERTAIN. MOST AT RISK E OF MOUNTAINS WILL BE HKY BASED ON MOVEMENT OF ONGOING CONVECTION. CONVECTION SHOULD DIE IN MID EVENING FROM W TO E WITH MOVEMENT OF SHORT WAVE...THEN DEBRIS WILL REMAIN WITH GENERALLY VFR CONDITIONS THROUGH EARLY MORNING HOURS. EXPECT WIDESPREAD MVFR FOG AFTER 06Z-08Z...WITH IFR CONDITIONS POSSIBLE WHERE IT RAINS. THIS SHOULD BURN OFF MID MORNING WEDNESDAY. BETTER UPPER SUPPORT FOR PRECIP WILL MOVE IN FROM THE WEST ON WEDNESDAY WHICH SHOULD LEAD TO GREATER COVERAGE OF PRECIP... BUT ONSET OF THUNDERSTORM CHANCE WILL NOT BE UNTIL END OF TAF PERIOD AT SITES OTHER THAN AVL...WHERE VCTS WILL BE FORECAST AFTER 15Z. && .PRELIMINARY POINT TEMPS/POPS... GSP 69 85 67 87 / 50 70 50 20 AND 69 85 67 87 / 50 70 50 20 CLT 68 85 64 87 / 40 60 50 20 HKY 66 84 63 86 / 50 60 50 20 AVL 63 80 60 84 / 50 70 50 20 && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && PM/VAD
Hazardous weather outlook, Jun 22, 5:43 AM EDT, 10 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 543 AM EDT TUE JUN 22 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-230936- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 543 AM EDT TUE JUN 22 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NORTH CAROLINA... UPSTATE SOUTH CAROLINA...AND EXTREME NORTHEAST GEORGIA. .DAY ONE... SEVERE THUNDERSTOMRS ARE POSSIBLE THIS AFTERNON AND EVENING... ESPECIALLY IN THE MOUNTAINS. THESE THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN... SCATTERED THUNDERSTORMS ARE EXPECTED WEDNESDAY AND WEDNESDAY NIGHT...AND FROM SATURDAY THROUGH MONDAY. SOME OF THE THUNDERSTORMS COULD BE SEVERE WEDNESDAY AFTERNOON AND EVENING...AND COULD PRODUCE HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. 07
In the hours before
Special weather statement, Jun 22, 11:20 AM EDT, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1120 AM EDT TUE JUN 22 2004 GAZ010-017-018-026-028-029-NCZ033>037-048>059-062>072-082-SCZ001>014- 019-222200- ABBEVILLE SC-ALEXANDER NC-ANDERSON SC-AVERY NC-BUNCOMBE NC-BURKE NC- CABARRUS NC-CALDWELL NC-CATAWBA NC-CHEROKEE SC-CHESTER SC- CLEVELAND NC-DAVIE NC-ELBERT GA-FRANKLIN GA-GASTON NC-GRAHAM NC- GREATER GREENVILLE SC-GREATER OCONEE SC-GREATER PICKENS SC- GREENVILLE MOUNTAINS SC-GREENWOOD SC-HABERSHAM GA-HART GA-HAYWOOD NC- HENDERSON NC-IREDELL NC-LAURENS SC-LINCOLN NC-MACON NC-MADISON NC- MCDOWELL NC-MECKLENBURG NC-MITCHELL NC-NORTHERN JACKSON NC- OCONEE MOUNTAINS SC-PICKENS MOUNTAINS SC-POLK NC-RABUN GA-ROWAN NC- RUTHERFORD NC-SOUTHERN JACKSON NC-SPARTANBURG SC-STEPHENS GA- SWAIN NC-TRANSYLVANIA NC-UNION SC-UNION NC-YANCEY NC-YORK SC- 1120 AM EDT TUE JUN 22 2004 ...A FEW SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND TONIGHT ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA... A COLD FRONT LOCATED ALONG THE OHIO RIVER VALLEY THIS MORNING WILL DROP SOUTH INTO THE MOUNTAINS BY TONIGHT. AHEAD OF THE FRONT...SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS AFTERNOON OVER MUCH OF THE REGION. THE ATMOSPHERE WILL BE A LITTLE MORE CONDUCIVE TO THE DEVELOPMENT OF STRONG TO SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING THAN IN RECENT DAYS...PARTICULARLY OVER THE MOUNTAINS WHERE THE COMBINATION OF STRONGER WINDS ALOFT AND LIFT ACROSS THE WESTERN SLOPES WILL RESULT IN GREATER THUNDERSTORM COVERAGE. THE PRIMARY THREAT FROM THUNDERSTORMS THIS AFTERNOON WILL BE DAMAGING WINDS. BY THIS EVENING A FLASH FLOOD THREAT MAY DEVELOP IN THE MOUNTAINS AS THUNDERSTORMS ARE EXPECTED TO REDEVELOP ALONG THE SLOW MOVING COLD FRONT...WITH A FEW AREAS POSSIBLY SEEING SEVERAL ROUNDS OF THUNDERSTORMS DURING THE LATE AFTERNOON AND OVERNIGHT. STAY TUNED TO NOAA WEATHER RADIO OR THE MEDIA FOR THE LATEST WEATHER INFORMATION. MOORE
Special weather statement, Jun 22, 4:22 PM EDT, 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 422 PM EDT TUE JUN 22 2004 GAZ028-029-SCZ001>008-010>013-019-222214- ABBEVILLE SC-ANDERSON SC-CHEROKEE SC-ELBERT GA-GREATER GREENVILLE SC- GREATER OCONEE SC-GREATER PICKENS SC-GREENVILLE MOUNTAINS SC- GREENWOOD SC-HART GA-LAURENS SC-OCONEE MOUNTAINS SC- PICKENS MOUNTAINS SC-SPARTANBURG SC-UNION SC- 422 PM EDT TUE JUN 22 2004 ...LINE OF STRONG TO SEVERE STORMS MOVING INTO UPSTATE SOUTH CAROLINA FROM NORTHEAST GEORGIA... AT 418 PM...A BROKEN LINE OF STORMS WAS MOVING INTO THE WESTERN PORTION OF THE UPSTATE OF SOUTH CAROLINA. THE LINE STRETCHED FROM NORTHERN GREENVILLE COUNTY...SOUTHWEST ACROSS NORTHERN PICKENS AND OCONEE COUNTIES...INTO NORTHERN GEORGIA. AS THESE STORMS MOVE EAST AT ABOUT 20 MPH INTO A MORE UNSTABLE AIRMASS...THEY COULD BECOME QUITE STRONG. THE GREATEST THREAT APPEARS TO BE FROM DAMAGING STRAIGHT LINE WINDS. AREAS FROM GREENVILLE AND LAURENS...EAST TO GAFFNEY... SPARTANBURG AND UNION...COULD BE AFFECTED BY THESE STRONG AND POSSIBLY SEVERE STORMS AFTER 5 PM. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR THE LATEST UPDATES CONCERNING THIS POTENTIAL SEVERE WEATHER SITUATION. LAMB
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 4:50 PM EDT | Severe Thunderstorm Warning | GSP | Greenville | 55 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2004Every severe thunderstorm warning in 2004
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.