Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 74, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jun 8, 2007, 3:17 PM EDT for Mitchell County, Yancey County, North Carolina. It was in force for 43 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 8, 2007, 3:17 PM EDT (19:17 UTC)
- Expired
- Jun 8, 2007, 4:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
Counties Mitchell County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 113 km from the middle of the area, began a volume at 19:20 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 |
|---|---|---|---|
| Jun 8, 3:35 PM EDT | HAIL 0.75 | 5 Sw Spruce Pine, NC | PUBLIC REPORTED 3/4 INCH HAIL ALONG CRABTREE CREEK RD. WHICH RUNS ALONG COUNTY LINE OF YANCEY AND MITCHELL COUNTIES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.3 hours before the alert went out and 205 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
- 1047 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1144 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 70 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 081917 SVRGSP NCC121-199-082000- /O.NEW.KGSP.SV.W.0074.070608T1917Z-070608T2000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 317 PM EDT FRI JUN 8 2007 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EASTERN YANCEY COUNTY IN WESTERN NORTH CAROLINA SOUTHEASTERN MITCHELL COUNTY IN WESTERN NORTH CAROLINA * UNTIL 400 PM EDT * AT 317 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 7 MILES WEST OF SPRUCE PINE...OR ABOUT 3 MILES SOUTHEAST OF MICAVILLE...AND WAS MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SPRUCE PINE BY 335 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. SEEK SHELTER INDOORS AWAY FROM WINDOWS AND DOORS UNTIL THE STORM PASSES. TO REPORT DAMAGING WINDS...LARGE HAIL...OR FLOODING...THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL FREE NUMBER... 1 8 7 7...6 3 3...6 7 7 2. LAT...LON 3593 8226 3582 8225 3584 8203 3599 8205 $$ BSH
1 follow-up statement
000 WWUS52 KGSP 081958 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 358 PM EDT FRI JUN 8 2007 NCC121-199-082008- /O.EXP.KGSP.SV.W.0074.000000T0000Z-070608T2000Z/ YANCEY NC-MITCHELL NC- 358 PM EDT FRI JUN 8 2007 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MITCHELL AND EAST CENTRAL YANCEY COUNTIES EXPIRES AT 400 PM EDT... LAT...LON 3593 8226 3582 8225 3584 8203 3599 8205 $$ BSH
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 8, 2:18 PM EDT, 59 minutes earlier.
Area forecast discussion, Jun 8, 2:18 PM EDT, 59 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 218 PM EDT FRI JUN 8 2007 .SYNOPSIS... HIGH PRESSURE OFF THE SOUTHEAST COAST WILL WEAKEN TODAY AS A COLD FRONT APPROACHES FROM THE WEST LATE IN THE DAY. THE FRONT SHOULD MOVE INTO THE AREA LATE FRIDAY NIGHT OR SATURDAY MORNING...AND SHOULD EVENTUALLY WASH OUT TO OUR SOUTH BY SUNDAY AS HIGH PRESSURE TO OUR NORTH BUILDS BACK IN FOR THE EARLY PART OF THE WEEK. && .NEAR TERM /THROUGH TONIGHT/... DEEPER MOISTURE WILL ADVECT INTO THE MTNS THIS AFTERNOON IN ADVANCE OF A RATHER VIGOROUS...BUT WEAKENING FRONTAL SYSTEM. THIS MAY BE THE ONLY ARGUMENT IN FAVOR OF BETTER COVERAGE OF CONVECTION THIS AFTERNOON THAN WAS OBSERVED YESTERDAY. THE MID/UPPER LEVELS REMAIN RATHER NON-CONDUCIVE TO CONVECTION...WITH HIGH PRESSURE PERSISTING ALOFT AND AN ASSOCIATED RIDGE IN THE H5 TEMP FIELD ANALYZED THROUGH THE APPALACHIANS. WITH RATHER DEEP (ALBEIT WEAK) WESTERLY FLOW... WOULD EXPECT A LEE TROUGH TO BECOME ESTABLISHED ALONG THE BLUE RIDGE THIS AFTERNOON AND SERVE AS A FOCUS FOR INITIATION OF ISOLATED TO WIDELY SCATTERED CONVECTION. HOWEVER...THE BEST CONVERGENCE WILL BE TO OUR WEST...ALONG OUTFLOW BOUNDARY ASSOCIATED WITH MISS VALLEY MCS...AND TO OUR EAST AS PIEDMONT TROUGH BECOMES ESTABLISHED IN ASSOCIATION WITH LOW LEVEL THERMAL RIDGE. REGARDING THE MCS...IT APPEARS THAT THIS WILL NOT BE A FACTOR FOR THE WESTERN CAROLINAS UNTIL AT LEAST EARLY EVENING. CONSIDERING THE ABSENCE OF DEEP LAYER SHEAR...THIS MCS WILL BE DRIVEN LARGELY BY BUOYANCY. THEREFORE...IT IS EXPECTED TO BECOME LESS ORGANIZED AS IT MOVES ACROSS THE TENN VALLEY...AND IS EXPECTED TO DIMINISH AS THE ATM BEGINS TO STABILIZE AROUND SUNSET. WE WILL BASICALLY MAINTAIN POPS AS IS FOR THIS AFTERNOON/EVENING...BUT BASED ON WHAT WE/RE SEEING IN THE DATA...WE/RE BECOMING DISCOURAGED REGARDING PRECIP CHANCES FOR THIS AFTERNOON/EVENING OUTSIDE THE MTNS. && .SHORT TERM /SATURDAY THROUGH SUNDAY/... ON SATURDAY...INCREASINGLY ILL-DEFINED SURFACE BOUNDARY WILL PROBABLY LAY EAST-WEST ACROSS THE CAROLINAS DURING THE DAY. THIS WILL KEEP IT NEAR ENOUGH TO PROBABLY PROVIDE SOME SORT OF LOW LEVEL MOISTURE CONVERGENCE OR WEAK FORCING. MEANWHILE...A WEAK SHORT WAVE IS FORECAST TO FALL DOWN FROM THE NW LATE IN THE DAY AS THE UPPER FLOW BECOMES INCREASINGLY NORTHWESTERLY WITH THE UPPER RIDGE BUILDING TO THE WEST. IT IS REASONABLE TO EXPECT MODERATE INSTABILITY BY THE AFTERNOON AS SHOWN BY THE MODELS. WITH THAT IN MIND...HAVE BUMPED UP CONVECTIVE CHANCES BACK INTO THE LOWER PART OF THE CHANCE RANGE...FAVORING THE SRN HALF OF THE FORECAST AREA WHICH FIGURES TO BE A LITTLE CLOSER TO THE DYING BOUNDARY. ANY CONVECTION SHOULD DECAY QUICKLY AROUND SUNSET. ON SUNDAY...THE UPPER RIDGE SHOULD BUILD EASTWARD. A LACK OF UPPER FORCING COMBINED WITH A SUBSIDENCE INVERSION AND A LIGHT EASTERLY FLOW COURTESY OF HIGH PRESSURE OVER THE ERN GREAT LAKES SHOULD PUT A CRIMP IN ANY PRECIP CHANCES...SO THE FORECAST WILL BE KEPT DRY FOR THE MOST PART. THIS SHOULD ALSO KNOCK A CATEGORY OR SO OFF THE MAX TEMPS COMPARED TO SATURDAY...BUT HAVE RAISED THEM A DEGREE OR TWO BASED ON THE NEW GUIDANCE. && .LONG TERM /SUNDAY NIGHT THROUGH FRIDAY/... AN OMEGA BLOCK IS FCST TO DEVELOP EARLY NEXT WEEK...WITH AN UPPER LOW OVER THE NORTHERN ROCKIES AND ANOTHER OVER THE CANADIAN MARITIMES. THE STALLED OUT OLD FRONTAL BNDRY WILL LINGER NEAR THE GULF COAST WITH EASTERLY FLOW TO ITS NORTH ON MONDAY AND TUESDAY. THE MEDIUM RANGE GUIDANCE HAS COME IN A BIT WARMER FOR MONDAY THROUGH WEDNESDAY...DESPITE LOW LVL ELY FLOW AND A LARGE SFC HIGH THAT WILL ORIGINATE FROM CANADA PARKED OVER THE NORTHEAST STATES. APPARENTLY LOW LVL THICKNESSES WILL SUPPORT MAX TEMPS 2-4 DEG F ABOVE AVG. THE BNDRY BEGINS TO ADVANCE N TUESDAY...AND WILL LIKELY AFFECT THE CWFA WEDNESDAY. BOTH THE LATEST MEXMOS AND HPC GUIDANCE HAS INCREASING POPS WEDNESDAY THROUGH FRIDAY...AS THE BNDRY STALLS OUT OVER THE AREA. HAVE TRENDED THE POP GRIDS UP TOWARD THESE VALUES...BUT STILL 20-30 PCT FOR NOW. && .AVIATION /18Z FRIDAY THROUGH WEDNESDAY/... THE MAIN NEAR TERM AVIATION CONCERN IS WITH THE CONVECTIVE POTENTIAL THIS AFTERNOON. ISOLATED TO WIDELY SCATTERED DEEP CONVECTION IS ALREADY FIRING THIS AFTERNOON ACROSS THE MTNS AND IN THE LEE TROUGH...AS ATM HAS BECOME MODERATELY UNSTABLE. WE HAVE INCLUDED VCTS IN THE KAVL AND KHKY TAFS...AND WILL HAVE TO STRONGLY CONSIDER ADDING A TEMPO TO KAVL IN SHORT ORDER. OTHERWISE...WE HAVE LIMITED THE CONVECTIVE MENTION TO A CB CLOUD GROUP AT THE UPSTATE TERMINALS. CONVECTION SHOULD DIMINISH WITH THE LOSS OF HEATING. OTHERWISE... THE SLIGHTLY MORE MOIST AIRMASS MAY LEAD TO SOME MVFR FOG TOMORROW MORNING...ESP AT KAVL. AVIATION OUTLOOK...ISOLATED TO WIDELY SCATTERED CONVECTION IS EXPECTED ON SATURDAY...BUT COVERAGE IS EXPECTED TO BE SIGNIFICANTLY LESS THAN THIS AFTERNOON. OTHERWISE...DRY HIGH PRESSURE WILL BUILD INTO THE REGION FOR EARLY NEXT WEEK...WITH NO SIG AVIATION WEATHER IMPACTS EXPECTED. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SYNOPSIS...PM NEAR TERM...JDL SHORT TERM...PM LONG TERM...ARK AVIATION...JDL
Hazardous weather outlook, Jun 8, 4:14 AM EDT, 11 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 414 AM EDT FRI JUN 8 2007 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- 414 AM EDT FRI JUN 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE MOUNTAINS AND FOOTHILLS THIS AFTERNOON AND EVENING. THERE IS THE POSSIBILITY THAT A FEW OF THE STRONGER STORMS COULD PRODUCE DAMAGING WIND GUSTS AND LARGE HAIL...MAINLY ACROSS THE NORTH CAROLINA MOUNTAINS. OVER THE PIEDMONT...THUNDERSTORMS WILL BE MORE ISOLATED...BUT THERE REMAINS THE POSSIBILITY THAT ONE OR TWO COULD BECOME SEVERE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED DURING THE AFTERNOON AND EVENING. MOORE
In the hours before
Special weather statement, Jun 8, 2:01 PM EDT, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 201 PM EDT FRI JUN 8 2007 NCZ053-081900- BUNCOMBE- 201 PM EDT FRI JUN 8 2007 ...STRONG THUNDERSTORMS WILL AFFECT BUNCOMBE COUNTY THROUGH 300 PM EDT... AT 156 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM WEAVERVILLE TO 5 MILES NORTH OF CANTON...MOVING SOUTHEAST AT 10 MPH. THESE STORMS WILL BE NEAR... WEAVERVILLE BY 215 PM EDT. WOODFIN BY 230 PM EDT. UNC ASHEVILLE BY 245 PM EDT. DOWNTOWN ASHEVILLE BY 250 PM EDT. ASHEVILLE MALL BY 255 PM EDT. BILTMORE FOREST BY 300 PM EDT. SMALL HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS. KRENTZ
Special weather statement, Jun 8, 3:03 PM EDT, 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 303 PM EDT FRI JUN 8 2007 GAZ017-082000- HABERSHAM- 303 PM EDT FRI JUN 8 2007 ...A STRONG THUNDERSTORM WILL AFFECT HABERSHAM COUNTY THROUGH 400 PM EDT... AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES SOUTH OF BATESVILLE...OR 8 MILES NORTHWEST OF CLARKESVILLE...MOVING EAST AT 20 MPH. THIS STORM WILL BE NEAR... CLARKESVILLE BY 320 PM EDT. TURNERVILLE BY 335 PM EDT. SMALL HAIL...AND WINDS AROUND 40 MPH ARE EXPECTED WITH THIS STORM.
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 2:45 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk | 60 min |
| Jun 8, 3:25 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 50 min |
| Jun 8, 3:31 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Rutherford | 44 min |
| Jun 8, 4:16 PM EDT | Severe Thunderstorm Warning | GSP | McDowell | 17 min |
| Jun 8, 4:18 PM EDT | Severe Thunderstorm Warning | GSP | Burke | 42 min |
| Jun 8, 4:30 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Iredell | 45 min |
| Jun 8, 5:18 PM EDT | Severe Thunderstorm Warning | GSP | Catawba | 57 min |
| Jun 8, 6:01 PM EDT | Severe Thunderstorm Warning | GSP | Lincoln | 48 min |
| Jun 8, 6:22 PM EDT | Severe Thunderstorm Warning | GSP | Iredell | 33 min |
| Jun 8, 6:28 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 62 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2007Every severe thunderstorm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.