Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Mar 28, 2007, 5:31 PM EDT for Buncombe County, North Carolina. It was in force for 27 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
- Mar 28, 2007, 5:31 PM EDT (21:31 UTC)
- Expired
- Mar 28, 2007, 5:58 PM EDT
- In force
- 27 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Buncombe County, NC
The radar
The Greer radar (KGSP), 92 km from the middle of the area, began a volume at 21:35 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 |
|---|---|---|---|
| Mar 28, 5:45 PM EDT | HAIL 0.75 | 4 W Weaverville, NC | FRENCH BROAD VFD REPORTED PENNY SIZE HAIL |
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, 9.5 hours before the alert went out and 244 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
- 842 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1339 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 47 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 282131 SVRGSP NCC021-282230- /O.NEW.KGSP.SV.W.0016.070328T2131Z-070328T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 531 PM EDT WED MAR 28 2007 THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... BUNCOMBE COUNTY IN WESTERN NORTH CAROLINA * UNTIL 630 PM EDT * AT 526 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR LEICESTER...OR ABOUT 9 MILES SOUTH OF MARSHALL...AND WAS MOVING EAST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WOODFIN BY 550 PM EDT... WEAVERVILLE BY 555 PM EDT... 6 MILES NORTH OF ASHEVILLE BY 605 PM EDT... SWANNANOA AND 7 MILES NORTHWEST OF BLACK MOUNTAIN BY 630 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 3575 8269 3559 8277 3548 8235 3572 8230 $$
1 follow-up statement
000 WWUS52 KGSP 282158 SVSGSP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 557 PM EDT WED MAR 28 2007 NCC021-282207- /O.CAN.KGSP.SV.W.0016.000000T0000Z-070328T2230Z/ BUNCOMBE NC- 557 PM EDT WED MAR 28 2007 ...THE SEVERE THUNDERSTORM WARNING FOR BUNCOMBE COUNTY IS CANCELLED... LAT...LON 3575 8269 3559 8277 3548 8235 3572 8230 THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND THE WARNING HAS BEEN CANCELLED. HAIL AS LARGE AS ONE HALF INCH IN DIAMETER WAS REPORTED BETWEEN LEICESTER HIGHWAY AND THE FRENCH BROAD RIVER WEST OF WEAVERVILLE. $$
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 Mar 28, 2:20 PM EDT, 3 hours 11 minutes earlier.
Area forecast discussion, Mar 28, 2:20 PM EDT, 3 hours 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 220 PM EDT WED MAR 28 2007 .SHORT TERM /TONIGHT THROUGH THURSDAY/... WEAK SHORTWAVES MOVING THROUGH UPPER RIDGE WILL BRING AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS...FIRST TO THE NC MOUNTAINS THEN THE NC FOOTHILLS AND PIEDMONT LATE THIS AFTN THROUGH EARLY EVE. WITH RELATIVELY LOW WBZ...SOME DRY AIR IN THE MID LEVELS...WARM MOIST AIR IN THE LOW LEVELS...WEAK SHORTWAVES ALOFT AND UPPER LEVEL DIVERGENCE...THERE IS A SLIGHT CHANCE OF SEVERE TSTMS THROUGH THIS EVE...MAINLY OVER THE NC FOOTHILLS AND PIEDMONT. HIGH PRESSURE BUILDING OVER NE CANADA WILL HELP PUSH A COLD FRONT OVER VA TO THE S THROUGH THE AREA TONIGHT AND THU...BRINGING MUCH COOLER AIR TO THE REGION. LIGHT RAIN AND DRIZZLE ARE EXPECTED AS THIS BOUNDARY MOVES S AND WEDGE DEVELOPS OVER THE AREA THU. HIGH TEMPS WILL BE ABOUT 15 TO 25 DEG COOLER ACROSS MUCH OF THE CWA WITH HIGHS RANGING FROM MID 50S OVER NC NW PIEDMONT TO THE AROUND 70 ALONG THE SAVANNAH VALLEY. && .LONG TERM /THURSDAY NIGHT THROUGH WEDNESDAY/... FOR THE MEDIUM RANGE...GFS HAS TRENDED TOWARD THE DRIER NAM FOR THU NIGHT IN REGARD TO ENDING LIGHT PRECIP AND CLEARING. THEREFORE...WILL GENERALLY FOLLOW A NAM SOLUTION FOR THU NIGHT THROUGH SAT. THIS FEATURES SURFACE HIGH PRESSURE SETTLING INTO THE EASTERN CAOLINAS BY 12Z SAT AND THEN DRIFTING OFF THE COAST BY 00Z SUN. AT THE SAME TIME...UPPER LEVEL RIDGE WILL BUILD OVER THE EASTERN U.S. HENCE...DRY WEATHER IS ANTICIPATED THU NIGHT THROUGH SAT. EXPECT CLEARING TO OCCUR THU NIGHT WITH MOSTLY CLEAR CONDITIONS WELL INTO SAT. WITH RIDGE AXIS SHIFTING EAST DURING SAT... WILL FORECAST SOME INCREASE IN CLOUDINESS DURING THE AFTERNOON. TEMPERATURES WILL BE ON THE REBOUND BEGINNING ON FRI AS SUNSHINE SHOULD BOOST MAXIMUM TEMPERATURES TO JUST BELOW NORMAL VALUES...AND THEN ABOVE NORMAL ON SAT. USED A BLEND OF MOS FOR TEMP GRIDS...EXCEPT USED LATEST 12Z MEX FOR THE HIGH TEMPERATURE GRID ON SAT. FOR THE EXTENDED (SAT NIGHT THROUGH WED)...GENERALLY FOLLOWED HPC GUIDANCE WHICH AGAIN RELIED HEAVILY ON THE ECWMF SOLUTION...BUT DIFFERENCES WITH 12Z OPERATIONAL GFS IN REGARD TO FRONTAL POSTIONS NOT AS DRASTIC AS YESTERDAY. HOWEVER...12Z GFS QUITE LIBERAL WITH PRECIPITATION THROUGH THIS PERIOD WHICH LOOKS SOMEWHAT DUBIOUS WITH UPPER RIDGE BUILDING OVER THE REGION. HENCE...I LIKE THE CONSERVATIVE HPC POPS WHICH REALLY LIMIT SHOWER/THUNDERSTORM CHANCES TO SUN WITH APPROACH OF WEAK FRONT AND UPPER SHORT WAVE...AND WED WHEN A MORE SIGNIFICANT COLD FRONTAL PASSAGE LOOKS TO OCCUR. TEMPERATURES THROUGH THE PERIOD SHOULD REMAIN MUCH ABOVE NORMAL...BUT IT IS LOOKING LIKE MUCH COOLER WEATHER PATTERN WILL EVOLVE LATE NEXT WEAK AS UPPER AIR PATTERN SWITCHES TO A TROUGH IN THE E AND RIDGE TO THE W. && .AVIATION /18Z-18Z/... AS AREA DESTABILIZES THIS AFTN-EVE EXPECT INCREASING CHANCE SHOWERS AND TSTMS...ESP OVER W NC. CIGS WILL DROP TO LOW VFR FROM MTNS TO NC PIEDMONT...SPREADING S ACROSS SC TONIGHT. BEST CHANCE OF RAIN WILL BE ALONG AND N OF I-40 CORRIDOR LATE AFTN-EVE...WITH CHANCE POPS SPREADING S ACROSS CWA OVERNIGHT. EXPECT MVFR CIGS IN THE EARLY MORNING HOURS WITH LOWEST CIGS DEVELOPING BEHIND FRONT AS IT PUSHES SW ACROSS AREA THROUGH MID DAY THU. WINDS WILL PICK UP FROM THE NE AFTER MIDNIGHT AND CONTINUE 10-12 KTS THROUGH THU MORNING. && .GSP WATCHES/WARNINGS/ADVISORIES... GA...NONE. NC...NONE. SC...NONE. && SHORT TERM...RB LONG TERM...GABRIC AVIATION...RB
Hazardous weather outlook, Mar 28, 5:42 AM EDT, 11 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 542 AM EDT WED MAR 28 2007 NCZ033-035>037-048>050-053-056-057-065-068>072-082-501>510-291000- AVERY-ALEXANDER-IREDELL-DAVIE-MADISON-YANCEY-MITCHELL-BUNCOMBE- CATAWBA-ROWAN-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- 542 AM EDT WED MAR 28 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN NORTH CAROLINA FROM THE FRENCH BROAD RIVER VALLEY TO THE INTERSTATE 77 CORRIDOR. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING AHEAD OF SOUTHWARD MOVING COLD FRONT...MAINLY ALONG AND NORTH OF INTERSTATE 40...WITH FEWER THUNDERSTORMS SOUTH TO HIGHWAY 74. THESE THUNDERSTORMS WILL HAVE THE POTENTIAL TO PRODUCE HAIL AS LARGE AS PENNIES...AND WIND GUSTS TO 60 MPH. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON. GAZ010-017-018-026-028-029-NCZ051-052-058-059-062>064-SCZ001>014- 019-291000- RABUN-HABERSHAM-STEPHENS-FRANKLIN-HART-ELBERT-SWAIN-HAYWOOD- GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- OCONEE MOUNTAINS-PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE-SPARTANBURG- CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC-CHESTER- GREENWOOD- 542 AM EDT WED MAR 28 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST GEORGIA...THE SOUTHWEST MOUNTAINS OF NORTH CAROLINA...AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. 07
In the hours before
Special weather statement, Mar 28, 5:20 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 520 PM EDT WED MAR 28 2007 NCZ053-282145- BUNCOMBE- 520 PM EDT WED MAR 28 2007 ...A STRONG THUNDERSTORM WILL AFFECT BUNCOMBE COUNTY THROUGH 545 PM EDT... AT 514 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR LEICESTER...OR 7 MILES SOUTH OF MARSHALL... MOVING EAST AT 10 MPH. THIS STORM WILL BE NEAR... WEAVERVILLE BY 545 PM EDT. MOTHBALL SIZE HAIL...AND WINDS AROUND 40 MPH ARE EXPECTED WITH THIS STORM.
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.