Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 321, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 28, 2009, 7:57 PM EDT for Cabarrus County, Mecklenburg County, North Carolina. It was in force for 49 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
- Jul 28, 2009, 7:57 PM EDT (23:57 UTC)
- Expired
- Jul 28, 2009, 8:46 PM EDT
- In force
- 49 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
Counties Cabarrus County, NC, Mecklenburg County, NC
The radar
The Greer radar (KGSP), 147 km from the middle of the area, began a volume at 23:59 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 12.0 hours before the alert went out and 111 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
- 1744 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 28, 7:43 PM EDT, 14 minutes earlier.
Area forecast discussion, Jul 28, 7:43 PM EDT, 14 minutes before
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</html>Hazardous weather outlook, Jul 28, 7:13 PM EDT, 44 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 713 PM EDT TUE JUL 28 2009 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-292315- 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- 713 PM EDT TUE JUL 28 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TONIGHT. SEVERAL THUNDERSTORMS ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA MAY BECOME SEVERE TONIGHT. LARGE HAIL...DAMAGING WINDS...ISOLATED FLASH FLOODING...AND FREQUENT CLOUD TO GROUND LIGHTNING MAY OCCUR WITH THESE STORMS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. SCATTERED THUNDERSTORMS ARE POSSIBLE EACH DAY THIS WEEK...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. A FEW OF THESE STORMS MAY PRODUCE SEVERE HAIL...DAMAGING WINDS...AND ISOLATED FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... NONE. ARK
In the hours before
Special weather statement, Jul 28, 2:30 PM EDT, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 230 PM EDT TUE JUL 28 2009 GAZ017-018-281915- HABERSHAM-STEPHENS- 230 PM EDT TUE JUL 28 2009 ...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN HABERSHAM AND WESTERN STEPHENS COUNTIES THROUGH 315 PM EDT... AT 229 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES SOUTH OF TURNERVILLE...OR 6 MILES WEST OF TOCCOA...MOVING NORTHEAST AT 15 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO TURNERVILLE...TOCCOA...MOUNT AIRY...HOLLYWOOD...DEMOREST... CORNELIA...CLARKESVILLE...BOYDVILLE AND BALDWIN. SMALL HAIL...VERY HEAVY RAIN AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. LG
Special weather statement, Jul 28, 4:30 PM EDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 430 PM EDT TUE JUL 28 2009 NCZ053-282130- BUNCOMBE- 430 PM EDT TUE JUL 28 2009 ...A STRONG THUNDERSTORM WILL AFFECT BUNCOMBE COUNTY THROUGH 530 PM EDT... AT 430 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES WEST OF LAKE BOWEN...OR 10 MILES SOUTHEAST OF COLUMBUS. THIS STORM WAS NEARLY STATIONARY. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO DOWNTOWN ASHEVILLE...ASHEVILLE MALL...I-26 AT I-40...UNC ASHEVILLE... FAIRVIEW...WOODFIN...WEAVERVILLE...SWANNANOA...SKYLAND... MONTREAT...BLACK MOUNTAIN...BILTMORE FOREST...BENT CREEK... BARNARDSVILLE...AVERY CREEK AND ASHEVILLE. SMALL HAIL...AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. 07
Special weather statement, Jul 28, 5:23 PM EDT, 2 hours 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 523 PM EDT TUE JUL 28 2009 NCZ057-072-282230- CABARRUS-ROWAN- 523 PM EDT TUE JUL 28 2009 ...A STRONG THUNDERSTORM WILL AFFECT CABARRUS AND EASTERN ROWAN COUNTIES THROUGH 630 PM EDT... AT 523 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 3 MILES EAST OF LOWES MOTOR SPEEDWAY...OR 4 MILES SOUTHWEST OF CONCORD...MOVING NORTHEAST AT 15 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO LOWES MOTOR SPEEDWAY...SPENCER...SALISBURY...ROCKWELL...MOUNT PLEASANT... LANDIS...KANNAPOLIS...HARRISBURG...GRANITE QUARRY...GOLD HILL... FAITH...CRAVEN...CONCORD AND CHINA GROVE. SMALL HAIL...VERY HEAVY RAINFALL...AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM. 07
Special weather statement, Jul 28, 6:15 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 615 PM EDT TUE JUL 28 2009 NCZ071-SCZ009-282300- MECKLENBURG-YORK- 615 PM EDT TUE JUL 28 2009 ...A STRONG THUNDERSTORM WILL AFFECT EASTERN YORK AND SOUTHWESTERN MECKLENBURG COUNTIES THROUGH 700 PM EDT... AT 614 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 4 MILES SOUTHEAST OF YORK...MOVING NORTHEAST AT 20 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO CAROWINDS...PINEVILLE...YORK...TEGA CAY...ROCK HILL...LAKE WYLIE AND FORT MILL. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. CSH
Local storm report, Jul 28, 6:36 PM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
636 PM EDT TUE JUL 28 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0610 PM TSTM WND DMG 5 S YORK 34.92N 81.24W
07/28/2009 YORK SC AMATEUR RADIO
MULTIPLE TREES DOWN ON HWY 321 AND SANDIFUR ROAD.
0610 PM HAIL 5 S YORK 34.92N 81.24W
07/28/2009 E0.75 INCH YORK SC AMATEUR RADIO
&&
KRENTZLocal storm report, Jul 28, 7:54 PM EDT, 3 minutes before
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</html>The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 9:57 PM EDT | Areal Flood Advisory | GSP | Cabarrus | 2 hr |
| Jul 27, 10:09 PM EDT | Flash Flood Warning | GSP | Cabarrus | 3 hr |
| Jul 27, 11:09 PM EDT | Areal Flood Advisory | GSP | Mecklenburg | 111 min |
| Jul 27, 11:34 PM EDT | Areal Flood Advisory | GSP | Union | 116 min |
| Jul 28, 4:39 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 47 min |
| Jul 28, 5:30 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Polk, Rutherford | 60 min |
| Jul 28, 6:38 PM EDT | Severe Thunderstorm Warning | GSP | Gaston, Mecklenburg | 82 min |
| Jul 28, 7:37 PM EDT | Flash Flood Warning | GSP | Mecklenburg | 3 hr |
| Jul 28, 1:52 AM EDT | Severe Thunderstorm Warning | GSP | Greenville, Spartanburg | 53 min |
| Jul 28, 5:45 PM EDT | Severe Thunderstorm Warning | GSP | Chester, Union, York | 60 min |
| Jul 28, 7:27 PM EDT | Severe Thunderstorm Warning | GSP | Cherokee, Greenville, Laurens, Spartanburg | 63 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2009Every severe thunderstorm warning in 2009
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.