Alert archive / North Carolina / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 516, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Aug 8, 2006, 4:37 PM EDT for Alexander County, North Carolina. It was in force for 53 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 8, 2006, 4:37 PM EDT (20:37 UTC)
- Expired
- Aug 8, 2006, 5:30 PM EDT
- In force
- 53 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Alexander County, NC
The radar
The Roanoke radar (KFCX), 147 km from the middle of the area, began a volume at 20:39 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
Roanoke, VA (KRNK), launched 12:00Z, 8.6 hours before the alert went out and 207 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
- 775 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 793 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
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 8, 2:46 PM EDT, 1 hour 51 minutes earlier.
Area forecast discussion, Aug 8, 2:46 PM EDT, 1 hour 51 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 246 PM EDT TUE AUG 8 2006 .SHORT TERM /TONIGHT AND WEDNESDAY/... ROBUST TSTM ACTIVITY WILL CONTINUE TO DEVELOP ACRS THE CWFA WITHIN THE MODERATE TO VERY UNSTABLE AIRMASS AHEAD OF SOUTHWARD SINKING FRONT. ALOFT...S/WV ENERGY RIDING ALONG THE NORTHERN AND EASTERN PERIPHERY OF UPPER HIGH WILL WORK WITH A DECENT AMOUNT OF DRIER MID/UPPER LVL AIR...ENHANCING DELTA THETA-E VALUES AND SOME SCATTERED WET MICROBURSTS. LLVL CONVERGENCE AXIS EXPECTED TO SLOWLY SINK SOUTHWARD AS WELL INTO THE EVENING HOURS AND WELL CARRY SOLID SCATTERED POPS EVERYWHERE THROUGH THE LATE EVENING HOURS. AIRMASS EXPECTED TO BE FAR LESS VOLATILE ON WEDNESDAY...WITHIN LLVL NORTHEASTERLY NORTH OF CONVERGENCE AXIS...WHICH BY THEN SHOULD BE OFF TO OUR SOUTH. MAIN SOURCE OF SOME WEAK LIFT LOOKS TO BE IN THE FORM OF SOME UPSLOPE AND PERHAPS SOME UPPER LVL IMPULSES RIPPLING THRU WITHIN WNW FLOW. SENSIBLE WX FCST WILL MAINLY BE JUST A TOKEN SMALL CHANCE OF TSTMS AND MAX TEMPS CLOSER TO SEASONAL NORMALS. && .LONG TERM /WEDNESDAY NIGHT THROUGH TUESDAY/... WED NGHT THROUGH FRI... WL CARRY LOW CHANCE POPS WED EVENING OVER MOST OF THE CWFA. THERE IS NOT MUCH IN THE WAY OF FORCING...AND THE MODELS DON/T RESPOND WITH MUCH PCPN...SO I/M A BIT DOUBTFUL ABOUT EVEN LOW CHANCE POPS. ON THURSDAY THE SAME HOLDS TRUE AS THERE IS VERY LITTLE SURFACE CONVERGENCE OVER THE AREA. LATE IN THE DAY THE NEXT COLD FRONT WILL APPROACH FROM THE NORTH...BUT THIS FORCING LOOKS TO STAY UP THROUGH KY AND THE VIRGINIA/S. HOWEVER...MODEL LAYER RH/S ARE HIGH...AND THE MAV POPS ARE SOLIDLY IN THE UPPER CHANCE RANGE. SUSPECT THAT THERE WILL BE A FAIR AMOUNT OF COVERAGE IN THE MTNS DURING THE EARLY AFTN WHICH WL WORK SE ACROSS THE REST OF THE CWFA DURING THE LATE AFTERNOON AND EARLY EVENING HOURS. ALL TOLD...STAYED FAIRLY CLOSE TO MAV POPS AND TEMPS ON THU. FRIDAY/S FORECAST DEPENDS LARGELY ON WHERE THE SFC FRONT WILL BE. THE GFS DEVELOPS A SIGNIFICANT AMOUNT OF CONVECTION THU NIGHT AND THEN DRIVES THE FRONT SOUTH OF THE REGION FRIDAY AFTERNOON...ALBEIT WITH CONTINUED UPSLOPE PCPN. THE NAM IS SLOWER WITH THE FRONT WHICH IT HAS OVER THE CENTRAL PART OF THE CWFA DURING THE AFTN. THERE IS GOOD LLVL CONVERGENCE...MOISTURE POOLING AND HIGH CAPES WITH THIS FEATURE. I CAN/T QUITE JUMP ON THE GFS BOAT ATTM...BUT I WILL KEEP HIGH CHANCE POPS THROUGH THU NIGHT OVER THE SOUTHWEST HALF OF THE CWFA AS A NOD TO IT/S NOCTURNAL MCS. I/LL CONTINUE HIGH CHANCE POPS THROUGH FRIDAY AS A COMPROMISE BETWEEN THE DIFFERING FRONTAL POSITIONS OF THE TWO MODELS. THE NAM...HOWEVER...DOES LOOK A LITTLE ODD AS IT TENDS TO SLOW THE FRONT ON ACCOUNT OF AN UPSTREAM CLOSED LOW. THIS FEATURE IS THE RESULT OF CONVECTIVE FEEDBACK AND IS NOT SUPPORTED BY THE GFS. FRI NGHT THROUGH TUE... HPC HAS FAVORED THE 00 UTC RUN OF THE ECMWF AGAIN TODAY. AFTER COLLABORATING WITH NEIGHBORING OFFICES...WE WILL REMOVE ALL POPS FROM THE SUN-MON PERIODS. THIS ACTUALLY AGREES WITH THE HPC FRONTAL POSITION WHICH IS WELL SOUTH OF THE FORECAST AREA. HOWEVER...THE GUIDANCE GRIDS MAINTAIN POPS THAT SEEM A BIT TOO HIGH CONSIDERING THE SYNOPTIC REGIME. I/LL HOLD ON TO CHANCE POPS FOR SATURDAY...BUT I/M RATHER SKEPTICAL WITH THE FRONT SO FAR TO OUR SOUTH. BY NEXT TUE THERE SHOULD BE ENOUGH RECOVERY ON THE BACK SIDE OF THE RIDGE FOR CONVECTION TO DEVELOP IN THE MOUNTAINS. && .AVIATION... WILL KEEP DEEP CONVECTIVE CHANCES AT ALL THE TERMINALS IN THE VICINITY REALM FOR NOW...BEST AND EARLIEST CHANCES REMAIN AT THE NC TAFS...AND LATE TODAY IN THE UPSTATE. OF COURSE...WILL AMEND WHEN A SPECIFIC BONA FIDE THREAT MATERIALIZES. WILL RUN CHANCES IN THE UPSTATE ALL THE WAY TO MIDNIGHT AS LLVL CONVERGENCE MAX LINGERS UNTIL THEN. OVERNIGHT...BASED ON DEGREE OF MIXING OF SFC DWPTS THIS AFTERNOON FOG THREAT LOOKS MINIMAL IN THE UPSTATE...WITH MVFR POSSIBILITIES AT KHKY AND AT LEAST OCNL IFR AT KAVL. MOISTENING 100-85H LAYER WITHIN NE FLOW OCCURS LATE TONIGHT...BUT STILL INCONCLUSIVE WHETHER MVFR STRATOCU CIGS WILL ACTUALLY DEVELOP...12 UTC MET/MAV DOES NOT THINK SO...AND WILL LEAVE SCT FOR NOW. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...CSH LONG TERM...MCAVOY AVIATION...CSH
Hazardous weather outlook, Aug 8, 4:05 AM EDT, 12 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 405 AM EDT TUE AUG 8 2006 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-090815- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-AVERY-ALEXANDER- IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE- CATAWBA-ROWAN-GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON- TRANSYLVANIA-HENDERSON-CLEVELAND-LINCOLN-GASTON-MECKLENBURG- CABARRUS-UNION NC-CALDWELL MOUNTAINS-GREATER CALDWELL- BURKE MOUNTAINS-GREATER BURKE-MCDOWELL MOUNTAINS-EASTERN MCDOWELL- RUTHERFORD MOUNTAINS-GREATER RUTHERFORD-POLK MOUNTAINS- EASTERN POLK-OCONEE MOUNTAINS-PICKENS MOUNTAINS- GREENVILLE MOUNTAINS-GREATER OCONEE-GREATER PICKENS- GREATER GREENVILLE-SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE- LAURENS-UNION SC-CHESTER-GREENWOOD- 405 AM EDT TUE AUG 8 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT EXPECT SCATTERED THUNDERSTORMS...MAINLY THIS AFTERNOON AND EVENING. SOME STORMS MAY BECOME SEVERE...WITH LARGE HAIL AND DAMAGING WIND POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SCATTERED...MAINLY AFTERNOON AND EVENING THUNDERSTORMS CAN BE EXPECTED THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
In the hours before
Local storm report, Aug 8, 1:05 PM EDT, 3 hours 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
105 PM EDT TUE AUG 08 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0248 AM HAIL 3 SE ROCKWELL 35.52N 80.37W
08/07/2006 E0.88 INCH ROWAN NC PUBLIC
A PUBLIC REPORT OF NICKEL-SIZED HAIL THAT FELL. THE WIND
WAS STRONG BUT NOT ENOUGH TO BRING DOWN ANY LARGE LIMBS.
&&
OUTLAWSpecial weather statement, Aug 8, 1:50 PM EDT, 2 hours 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 150 PM EDT TUE AUG 8 2006 NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-SCZ008- 009-081910- ALEXANDER-AVERY-BUNCOMBE-BURKE MOUNTAINS-CABARRUS-CALDWELL MOUNTAINS- CATAWBA-CHEROKEE-CLEVELAND-DAVIE-EASTERN MCDOWELL-EASTERN POLK- GASTON-GREATER BURKE-GREATER CALDWELL-GREATER RUTHERFORD-HENDERSON- IREDELL-LINCOLN-MADISON-MCDOWELL MOUNTAINS-MECKLENBURG-MITCHELL- POLK MOUNTAINS-ROWAN-RUTHERFORD MOUNTAINS-UNION-YANCEY-YORK- 150 PM EDT TUE AUG 8 2006 ...STRONG THUNDERSTORMS OVER WESTERN NORTH CAROLINA... AT 140 PM...STRONG STORMS WERE LOCATED BETWEEN SHELBY AND KINGS MOUNTAIN...JUST NORTH OF HICKORY AND OVER NEWTON...AND JUST WEST OF MARION. THESE STORMS ARE MOVING TO THE EAST SOUTHEAST AT 10 MPH. PEA-SIZED HAIL HAS BEEN REPORTED WITH THE STORM IN CONOVER AROUND 130 PM. EXPECT STRONG WIND GUSTS OF OVER 30 MPH AND AT LEAST PEA-SIZED HAIL WITH THE STRONGEST STORMS. ALSO FREQUENT DEADLY LIGHTNING CAN BE EXPECTED...SO UNPLUG ANY VALUABLE ELECTRICAL EQUIPMENT PRIOR TO THE STORM AND STAY AWAY FROM METAL OBJECTS AND HIGH LOCATIONS DURING THE STORM. A FEW OF THE STORMS COULD BECOME SEVERE WITH WIND OF AT LEAST 60 MPH WIND GUSTS AND PENNY SIZE HAIL. A LARGE AREA OF STRONG TO SEVERE STORMS WAS OVER THE TRI-CITIES AREA OF TENNESSEE AND WILL MOVE ACROSS THE NORTHERN MOUNTAINS OF NORTH CAROLINA DURING THE MID AFTERNOON. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR THE LATEST WEATHER INFORMATION ON THIS POTENTIAL SEVERE WEATHER SITUATION. OUTLAW
Special weather statement, Aug 8, 3:38 PM EDT, 59 minutes before
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</html>Local storm report, Aug 8, 3:50 PM EDT, 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
350 PM EDT TUE AUG 08 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0305 PM HAIL 2 SE SUGAR HILL 35.56N 82.02W
08/08/2006 E0.75 INCH MCDOWELL NC PUBLIC
A PUBLIC REPORT OF THREE-QUARTER INCH DIAMETER HAIL. THEY
ALSO HAD STRONG WIND BUT NOT ENOUGH TO CAUSE VISIBLE
DAMAGE AROUND THEIR HOUSE.
&&
OUTLAWSpecial weather statement, Aug 8, 4:27 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 427 PM EDT TUE AUG 8 2006 NCZ035-082130- ALEXANDER- 427 PM EDT TUE AUG 8 2006 ...A STRONG THUNDERSTORM WAS AFFECTING ALEXANDER COUNTY... AT 423 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 8 MILES SOUTHEAST OF MORAVIAN FALLS...OR 9 MILES NORTHEAST OF TAYLORSVILLE...MOVING SOUTHEAST AT 5 MPH. THIS STORM WILL BE NEAR... 4 MILES NORTHEAST OF STONY POINT BY 530 PM EDT. THISD STORM WILL BE CAPABLE OF PRODUCING WINDS OF 30 TO 40 MPH AND COULD INTENSIFY EVEN FURTHER. SBK
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 1:57 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 63 min |
| Aug 8, 2:12 PM EDT | Severe Thunderstorm Warning | GSP | Greenville, Pickens | 78 min |
| Aug 8, 4:55 PM EDT | Severe Thunderstorm Warning | GSP | Laurens | 60 min |
| Aug 8, 5:32 PM EDT | Severe Thunderstorm Warning | GSP | Union | 58 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2006Every severe thunderstorm warning in 2006
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.