Alert archive / North Carolina / Flash Flood Watches in 2008
Flash Flood Watch 2, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood watch at Aug 25, 2008, 11:32 AM EDT for 17 counties in North Carolina; Habersham County, Rabun County, Stephens County, Georgia. It was in force for 44 hr.
The area
The counties it named.
The facts
- Issued
- Aug 25, 2008, 11:32 AM EDT (15:32 UTC)
- Expired
- Aug 27, 2008, 8:00 AM EDT
- In force
- 44 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Flood severity
- None
Counties Habersham County, GA, Rabun County, GA, Stephens County, GA, Avery County, NC, Buncombe County, NC, Burke County, NC, Caldwell County, NC, Graham County, NC, Haywood County, NC, Henderson County, NC, Jackson County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mitchell County, NC, Polk County, NC, Rutherford County, NC, Swain County, NC, Transylvania County, NC, Yancey County, NC
The radar
The Greer radar (KGSP), 75 km from the middle of the area, began a volume at 15:32 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, 3.5 hours before the alert went out and 260 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
- 382 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 854 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Aug 25, 11:12 AM EDT, 20 minutes earlier.
Area forecast discussion, Aug 25, 11:12 AM EDT, 20 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 537 AM EDT MON AUG 25 2008 GAZ010-017-018-026-028-029-NCZ033-035>037-048>053-056>059-062>065- 068>072-082-501>510-SCZ001>014-019-261000- 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- 537 AM EDT MON AUG 25 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST GEORGIA...PIEDMONT NORTH CAROLINA...WESTERN NORTH CAROLINA AND UPSTATE SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT. ISOLATED TO SCATTERED THUNDERSTORMS WILL AFFECT THE WESTERN CAROLINAS AND NORTHEAST GEORGIA TODAY. THE MAIN THREAT WITH ANY THUNDERSTORM WILL BE OCCASIONAL CLOUD TO GROUND LIGHTNING... HOWEVER LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE REMNANTS OF TROPICAL DEPRESSION FAY WILL MOVE NORTHEAST TOWARD THE SOUTHERN APPALACHIANS TODAY AND TONIGHT...WHILE PRECIPITATION OVER THE WESTERN CAROLINAS AND NORTHEAST GEORGIA INCREASES IN COVERAGE AND INTENSITY. HEAVY RAINFALL IS EXPECTED TUESDAY AND TUESDAY NIGHT...WITH DECREASING RAINFALL AMOUNTS ON WEDNESDAY. BY WEDNESDAY MORNING...TOTAL RAINFALL AMOUNTS COULD REACH MORE THAN 8 INCHES OVER THE SOUTHERN MOUNTAINS OF WESTERN NORTH CAROLINA...WITH UP TO 5 INCHES NEAR THE BLUE RIDGE...UP TO 3 INCHES NEAR INTERSTATE 85...AND UP TO 2 INCHES SOUTH AND EAST OF INTERSTATE 85. EVEN WITH THE DROUGHT AND RECORD LOW STREAM LEVELS...RAINFALL OF THESE AMOUNTS IN THIS PERIOD OF TIME COULD LEAD TO FLOODING. THERE IS STILL SOME UNCERTAINTY AS TO HOW MUCH RAIN WILL FALL OVER SPECIFIC AREAS. IF CONFIDENCE IN EXCESSIVE RAINFALL INCREASES FURTHER...A FLOOD WATCH MAY BE ISSUED LATER TODAY. PERSONS ACROSS THE WESTERN CAROLINAS AND NORTHEAST GEORGIA SHOULD KEEP ABREAST OF THE LATEST FORECASTS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. 07
In the hours before
Local storm report, Aug 25, 9:52 AM EDT, 1 hour 40 minutes before
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</html>Local storm report, Aug 25, 10:06 AM EDT, 1 hour 26 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 |
|---|---|---|---|---|
| Aug 25, 3:25 PM EDT | Areal Flood Advisory | GSP | Cleveland | 110 min |
| Aug 25, 4:25 PM EDT | Flash Flood Warning | GSP | Cabarrus, Mecklenburg | 3 hr |
| Aug 25, 7:52 AM EDT | Flash Flood Warning | GSP | Oconee | 6 hr |
| Aug 25, 12:54 PM EDT | Areal Flood Advisory | GSP | Greenville, Pickens | 111 min |
| Aug 25, 6:27 AM EDT | Areal Flood Advisory | GSP | Habersham | 108 min |
| Aug 25, 4:56 PM EDT | Areal Flood Advisory | GSP | Habersham | 109 min |
Nearby
Flash Flood Watches in North Carolina, 2008Flash Flood Watches in Georgia, 2008Flash Flood Watches in South Carolina, 2008Every flash flood watch in 2008
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.