Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 111, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this severe thunderstorm warning at May 15, 2009, 2:02 PM EDT for Haywood County, North Carolina. It was in force for 42 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
- May 15, 2009, 2:02 PM EDT (18:02 UTC)
- Expired
- May 15, 2009, 2:44 PM EDT
- In force
- 42 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
County Haywood County, NC
The radar
The Knoxville radar (KMRX), 78 km from the middle of the area, began a volume at 18:06 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 6.0 hours before the alert went out and 280 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
- 607 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 742 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -21 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 May 15, 10:50 AM EDT, 3 hours 12 minutes earlier.
Area forecast discussion, May 15, 10:50 AM EDT, 3 hours 12 minutes before
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</html>Hazardous weather outlook, May 15, 11:26 AM EDT, 2 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 1126 AM EDT FRI MAY 15 2009 GAZ018-026-028-029-NCZ035>037-056-057-068>072-082-502-504-506-508- 510-SCZ004>014-019-161530- STEPHENS-FRANKLIN-HART-ELBERT-ALEXANDER-IREDELL-DAVIE-CATAWBA-ROWAN- CLEVELAND-LINCOLN-GASTON-MECKLENBURG-CABARRUS-UNION NC- GREATER CALDWELL-GREATER BURKE-EASTERN MCDOWELL-GREATER RUTHERFORD- EASTERN POLK-GREATER OCONEE-GREATER PICKENS-GREATER GREENVILLE- SPARTANBURG-CHEROKEE-YORK-ANDERSON-ABBEVILLE-LAURENS-UNION SC- CHESTER-GREENWOOD- 1126 AM EDT FRI MAY 15 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE FOOTHILLS AND PIEDMONT OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON. AREAS OF LOCALLY HEAVY RAIN WILL OCCUR AS THE THUNDERSTORMS WILL BE STATIONARY OR VERY SLOW MOVING. A FEW INSTANCES OF FLASH FLOODING ARE POSSIBLE. THE FLASH FLOOD THREAT MAY ACTUALLY INCREASE AFTER DARK THIS EVENING. AN ISOLATED MICROBURST OR LARGE HAIL REPORT IS ALSO POSSIBLE THROUGH THE AFTERNOON HOURS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. GAZ010-017-NCZ033-048>053-058-059-062>065-501-503-505-507-509- SCZ001>003-161530- RABUN-HABERSHAM-AVERY-MADISON-YANCEY-MITCHELL-SWAIN-HAYWOOD-BUNCOMBE- GRAHAM-NORTHERN JACKSON-MACON-SOUTHERN JACKSON-TRANSYLVANIA- HENDERSON-CALDWELL MOUNTAINS-BURKE MOUNTAINS-MCDOWELL MOUNTAINS- RUTHERFORD MOUNTAINS-POLK MOUNTAINS-OCONEE MOUNTAINS- PICKENS MOUNTAINS-GREENVILLE MOUNTAINS- 1126 AM EDT FRI MAY 15 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER THE MOUNTAINS OF THE WESTERN CAROLINAS AND NORTHEAST GEORGIA THIS AFTERNOON. AREAS OF LOCALLY HEAVY RAIN WILL OCCUR AS THE THUNDERSTORMS WILL BE STATIONARY OR VERY SLOW MOVING. A FEW INSTANCES OF FLASH FLOODING ARE POSSIBLE. THE FLASH FLOOD THREAT MAY ACTUALLY INCREASE AFTER DARK THIS EVENING. AN ISOLATED MICROBURST OR LARGE HAIL REPORT IS ALSO POSSIBLE THROUGH THE AFTERNOON HOURS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... NONE. MCAVOY
In the hours before
Special weather statement, May 15, 1:12 PM EDT, 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 112 PM EDT FRI MAY 15 2009 NCZ048-051>053-058-059-062>065-151915- MADISON-SWAIN-HAYWOOD-BUNCOMBE-GRAHAM-NORTHERN JACKSON-MACON- SOUTHERN JACKSON-TRANSYLVANIA-HENDERSON- INCLUDING THE CITIES OF...CHEROKEE...WAYNESVILLE...ASHEVILLE... SYLVA...FRANKLIN...BREVARD...HENDERSONVILLE 112 PM EDT FRI MAY 15 2009 ...SCATTERED THUNDERSTORMS WITH HEAVY RAIN DEVELOPING ACROSS THE MOUNTAINS... AT 1 PM...NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS DEVELOPING OVER THE HIGHER TERRAIN OF WESTERN NORTH CAROLINA. THESE STORMS ARE DEVELOPING AND DISSIPATING RAPIDLY... AND INDICATING VERY SLOW MOVEMENT. THE MAIN THREAT WITH THESE STORMS WILL BE VERY HEAVY RAINFALL...AS SOME LOCATIONS COULD PICK UP 1 TO 2 INCHES OF RAIN IN A VERY SHORT PERIOD OF TIME. THIS COULD RESULT IN LOCALIZED FLASH FLOODING IN A FEW LOCATIONS. IN ADDITION...ISOLATED STORMS MAY PRODUCE VERY BRIEF PERIODS OF HAIL AND STRONG WINDS. STAY TUNED TO NOAA WEATHER RADIO AND LOCAL MEDIA OUTLETS FOR POSSIBLE WARNINGS. LANE
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 8:37 PM EDT | Areal Flood Advisory | GSP | Madison | 3 hr |
| May 14, 9:49 PM EDT | Flash Flood Warning | GSP | Madison | 3 hr |
| May 14, 10:47 PM EDT | Flash Flood Warning | GSP | Madison | 3 hr |
| May 14, 11:01 PM EDT | Areal Flood Advisory | GSP | Buncombe, Henderson | 3 hr |
| May 14, 11:31 PM EDT | Flash Flood Warning | GSP | Buncombe, Henderson | 3 hr |
| May 15, 1:49 PM EDT | Areal Flood Advisory | GSP | Haywood | 76 min |
| May 15, 2:41 PM EDT | Areal Flood Advisory | GSP | Buncombe, Haywood, Madison | 3 hr |
| May 15, 3:21 PM EDT | Areal Flood Advisory | GSP | Jackson | 3 hr |
| May 15, 3:31 PM EDT | Areal Flood Advisory | GSP | Avery | 3 hr |
| May 15, 4:33 PM EDT | Areal Flood Advisory | GSP | Macon | 2 hr |
| May 15, 4:56 PM EDT | Areal Flood Advisory | GSP | Henderson, Transylvania | 100 min |
| May 15, 6:46 PM EDT | Areal Flood Advisory | GSP | Jackson, Macon, Transylvania | 3 hr |
| May 15, 7:25 PM EDT | Areal Flood Advisory | GSP | Rabun | 3 hr |
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.