Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 49, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 3, 2007, 2:43 PM EDT for Henderson County, North Carolina. It was in force for 62 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
- May 3, 2007, 2:43 PM EDT (18:43 UTC)
- Expired
- May 3, 2007, 3:45 PM EDT
- In force
- 62 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Henderson County, NC
The radar
The Greer radar (KGSP), 56 km from the middle of the area, began a volume at 18:45 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 |
|---|---|---|---|
| May 3, 2:44 PM EDT | HAIL 0.75 | 2 Nw Hendersonville, NC | PEA TO DIME SIZED HAIL COVERED THE GROUND AND SHREDDED PLANTS ON LONG JOHN MOUNTAIN. |
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, 6.7 hours before the alert went out and 248 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
- 108 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 711 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KGSP 031843 SVRGSP NCC089-031945- /O.NEW.KGSP.SV.W.0049.070503T1843Z-070503T1945Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 243 PM EDT THU MAY 3 2007 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HENDERSON COUNTY IN WESTERN NORTH CAROLINA * UNTIL 345 PM EDT * AT 240 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 NEAR MOUNTAIN HOME...OR ABOUT 3 MILES WEST OF HENDERSONVILLE...AND WAS MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HENDERSONVILLE BY 250 PM EDT... FLAT ROCK BY 255 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. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS LIGHTNING IS OCCURRING WITH THIS SEVERE THUNDERSTORM. STAY INDOORS AWAY FROM WINDOWS. AVOID USING APPLIANCES THAT REQUIRE AN ELECTRICAL CORD. UNPLUG EXPENSIVE ELECTRONIC EQUIPMENT. 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 3541 8261 3523 8259 3520 8236 3541 8227 $$ MCAVOY
2 follow-up statements
000 WWUS52 KGSP 031907 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 306 PM EDT THU MAY 3 2007 NCC089-031945- /O.CON.KGSP.SV.W.0049.000000T0000Z-070503T1945Z/ HENDERSON NC- 306 PM EDT THU MAY 3 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR HENDERSON COUNTY... AT 301 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HENDERSONVILLE...MOVING EAST AT 10 MPH. THE SEVERE THUNDERSTORM WILL BE NEAR... EAST FLAT ROCK BY 315 PM EDT... DANA BY 330 PM EDT... LAT...LON 3542 8249 3523 8250 3523 8236 3541 8227 $$ BPM
000 WWUS52 KGSP 031948 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 347 PM EDT THU MAY 3 2007 NCC089-031957- /O.EXP.KGSP.SV.W.0049.000000T0000Z-070503T1945Z/ HENDERSON NC- 347 PM EDT THU MAY 3 2007 ...THE SEVERE THUNDERSTORM WARNING FOR HENDERSON COUNTY EXPIRED AT 345 PM EDT... THE STORM HAS WEAKEND BELOW SEVERE LIMITS ACROSS THE SOUTHERN PART OF THE COUNTY. LAT...LON 3542 8249 3523 8250 3523 8236 3541 8227 $$ 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 May 3, 2:23 PM EDT, 20 minutes earlier.
Area forecast discussion, May 3, 2:23 PM EDT, 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 223 PM EDT THU MAY 3 2007 .SHORT TERM /TONIGHT THROUGH FRIDAY/... THE NEAR-TERM FORECAST IS UNFOLDING MORE OR LESS AS PLANNED...AS CONVECTION SO FAR TODAY HAS BEEN CONFINED TO AREAS OF TERRAIN FORCING OVER THE MTNS. MEANWHILE...NOT MUCH IS GOING ON ALONG THE BACKDOOR FRONT...WHICH IS CURRENTLY MAKING ITS WAY TOWARD THE I-85 CORRIDOR IN NC. IN FACT...THE CU FIELD LOOKS QUITE SUPPRESSED DESPITE AN AREA OF 1000 J/KG MUCAPE WITHIN THE POOLING MOISTURE AXIS ALONG/JUST AHEAD OF THE FRONT. WE WILL CONTINUE TO ADVERTISE CHANCE POPS FOR THIS EVENING FROM ROUGHLY I-85 NORTH. NUMERICAL GUIDANCE POPS GO THROUGH THE ROOF OVERNIGHT...AS HIGH LEVELS OF DEEP MOISTURE WILL BE IN PLACE ACROSS THE ENTIRE REGION. HOWEVER...FORCING IS VERY PALTRY. THERE IS A LITTLE BIT OF WEAK LOW-MID LEVEL UPGLIDE...BUT THE FLOW IS EXTREMELY WEAK...SO THIS UPGLIDE WILL NOT BE ESPECIALLY STRONG. SO FAR TODAY...GUIDANCE POPS FROM EARLIER RUNS HAVE VERIFIED MUCH TOO HIGH...AND THINK THIS IS LIKELY TO BE THE CASE AGAIN TONIGHT. WE HAVE STUCK VERY CLOSE TO OUR ORIGINAL FORECAST OF LOW-END LIKELY TO CHANCE POPS ACROSS THE AREA OVERNIGHT...WHICH UNDERCUTS GUIDANCE BY A GOOD 20-30 PERCENT. COOL WEATHER EXPECTED ON FRIDAY...AS COLD AIR DAMMING/WIDESPREAD LOW CLOUDS WILL LIMIT DIURNAL HEATING...ESPECIALLY EAST OF THE MTNS. WE WILL CONTINUE TO ADVERTISE SOLID CHANCE POPS...AGAIN UNDERCUTTING GUIDANCE SLIGHTLY DUE TO AN ABSENCE OF FORCING. && .LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/... A CHANCE OF SHOWERS CONTINUES FRI NIGHT AND SAT WITH SFC BOUNDARY EXPECTED TO PUSH WELL S OF AREA SAT NIGHT. SFC HIGH PRESSURE BUILDS OVER REGION FROM THE NE ON SUN AS UPPER RIDGE BUILDS SUN THROUGH TUE. EXPECT DRY FORECAST FIRST PART OF WEEK WITH TEMPS WARMING EACH DAY AND REACHING INTO THE LOW 80S BY TUE AFTN. AN UPPER WAVE AND ASSOCIATED COLD FRONT ARE EXPECTED TO PUSH E ACROSS THE PLAINS TOWARD THE REGION...BRINGING AN INCREASING CHANCE OF RAIN...MAINLY TO THE MTNS WED-THU. AS SYSTEM APPROACHES AND PUTS AREA INTO INCREASING S FLOW...AFTN HIGHS SHOULD WARM INTO THE MID 80S BY LATE WED. && .AVIATION /18Z-18Z/... THE MAIN NEAR-TERM CONCERN WILL BE THE POTENTIAL FOR CONVECTION AT THE TERMINALS THIS AFTERNOON. THE BEST CHANCE APPEARS TO BE AT KAVL...WHERE RADAR IMAGERY INDICATED TSRA OVER THE HIGHER ELEVATIONS JUST WEST OF THE TERMINAL AT 18Z. TEMPOS FOR RA W/ 5SM HAVE BEEN CARRIED THERE. OUTSIDE OF THE MTNS...THERE IS SOME INSTABILITY AND BACKDOOR COLD FRONT MAY PROVIDE LOW LEVEL FOCUS FOR WIDELY SCATTERED CONVECTION...BUT WE DO NOT FEEL THE THREAT IS HIGH ENOUGH FOR EVEN A TEMPO ATTM. ALTHOUGH SCATTERED SHRA WILL LIKELY BE AROUND OVERNIGHT...THE MAIN CONCERN WILL BE LOWERING CIGS...WHICH SHOULD LOWER TO IFR AT MOST TERMINALS SHORTLY AFTER MIDNIGHT. WIND SHOULD REMAIN OUT OF THE NORTHEAST AT AROUND 10 KTS OR SO FOR MOST OF THE OVERNIGHT PERIOD...HOPEFULLY PRECLUDING FOG DEVELOPMENT. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...JDL LONG TERM...RB AVIATION...JDL
Hazardous weather outlook, May 3, 4:41 AM EDT, 10 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 441 AM EDT THU MAY 3 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-041000- 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- 441 AM EDT THU MAY 3 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HG
In the hours before
Special weather statement, May 3, 1:48 PM EDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 148 PM EDT THU MAY 3 2007 NCZ064-065-031845- HENDERSON-TRANSYLVANIA- 148 PM EDT THU MAY 3 2007 ...A STRONG THUNDERSTORM WILL AFFECT HENDERSON AND TRANSYLVANIA COUNTIES THROUGH 245 PM EDT... AT 145 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR ETOWAH...OR 6 MILES NORTHEAST OF BREVARD... MOVING EAST AT 5 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO MOUNTAIN HOME...MILLS RIVER...AND ETOWAH. PEA SIZE HAIL...AND WINDS AROUND 40 MPH ARE EXPECTED WITH THIS STORM. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. MCAVOY
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 2:19 PM EDT | Severe Thunderstorm Warning | GSP | Madison | 41 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.