Alert archive / North Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 324, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at Jul 27, 2007, 2:45 PM EDT for Iredell County, North Carolina. It was in force for 47 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 27, 2007, 2:45 PM EDT (18:45 UTC)
- Expired
- Jul 27, 2007, 3:32 PM EDT
- In force
- 47 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Counties, with a storm outline in the text
County Iredell County, NC
The radar
The Roanoke radar (KFCX), 146 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.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.8 hours before the alert went out and 93 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
- 1633 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1024 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
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 27, 2:24 PM EDT, 21 minutes earlier.
Area forecast discussion, Jul 27, 2:24 PM EDT, 21 minutes before
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HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 515 AM EDT FRI JUL 27 2007 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-280915- 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- 515 AM EDT FRI JUL 27 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 WILL DEVELOP ACROSS THE REGION THIS AFTERNOON AND EVENING. ONE OR TWO THUNDERSTORMS COULD BECOME SEVERE...PRODUCING PENNY SIZE HAIL AND WIND GUSTS TO 60 MPH. THE THUNDERSTORMS WILL ALSO PRODUCE VERY HEAVY RAINFALL IN AFFECTED LOCATIONS. IF MULTIPLE THUNDERSTORMS AFFECT THE SAME LOCATION OVER A SHORT PERIOD OF TIME...ISOLATED FLASH FLOODING PROBLEMS COULD DEVELOP...ESPECIALLY IN THE MOUNTAINS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED THUNDERSTORMS WILL DEVELOP EACH AFTERNOON AND EVENING. THE GREATEST COVERAGE OF THUNDERSTORMS IS EXPECTED ON SATURDAY. A FEW SEVERE THUNDERSTORMS WILL BE POSSIBLE EACH DAY...AS WELL AS THE THREAT OF ISOLATED FLASH FLOODING FROM LOCALLY HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HG
In the hours before
Special weather statement, Jul 27, 2:14 PM EDT, 31 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 26, 8:26 PM EDT | Flash Flood Warning | GSP | Swain | 3 hr |
| Jul 26, 8:30 PM EDT | Flash Flood Warning | GSP | Macon | 3 hr |
| Jul 27, 5:03 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe | 57 min |
| Jul 27, 5:50 PM EDT | Severe Thunderstorm Warning | GSP | Henderson | 34 min |
| Jul 27, 7:04 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 56 min |
| Jul 27, 7:57 PM EDT | Severe Thunderstorm Warning | GSP | Mecklenburg | 63 min |
| Jul 27, 7:52 PM EDT | Severe Thunderstorm Warning | GSP | Chester | 53 min |
| Jul 26, 9:39 PM EDT | Severe Thunderstorm Warning | GSP | Habersham | 66 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.