Alert archive / North Carolina / Flash Flood Warnings in 2009
Flash Flood Warning 33, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Jul 22, 2009, 9:50 PM EDT for Cabarrus County, Rowan County, North Carolina. It was in force for 3 hr. 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 22, 2009, 9:50 PM EDT (01:50 UTC)
- Expired
- Jul 23, 2009, 12:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cabarrus County, NC, Rowan County, NC
The radar
The Greer radar (KGSP), 168 km from the middle of the area, began a volume at 01:51 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 00:00Z, 1.8 hours before the alert went out and 85 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
- 107 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 1709 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 61 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 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 flash flood warning went out at Jul 22, 6:53 PM EDT, 2 hours 57 minutes earlier.
Area forecast discussion, Jul 22, 6:53 PM EDT, 2 hours 57 minutes before
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</html>Hazardous weather outlook, Jul 22, 8:31 PM EDT, 1 hour 19 minutes before
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Local storm report, Jul 22, 6:50 PM EDT, 3 hours before
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</html>Local storm report, Jul 22, 7:41 PM EDT, 2 hours 9 minutes before
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</html>Special weather statement, Jul 22, 7:43 PM EDT, 2 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 743 PM EDT WED JUL 22 2009 NCZ501-502-230030- CALDWELL MOUNTAINS-GREATER CALDWELL- 743 PM EDT WED JUL 22 2009 ...A STRONG THUNDERSTORM WILL AFFECT CALDWELL COUNTY THROUGH 830 PM EDT... AT 743 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR GAMEWELL...OR 4 MILES SOUTHWEST OF LENOIR... MOVING NORTHEAST AT 10 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO PATTERSON...KINGS CREEK...LENOIR...HUDSON...GAMEWELL... AND COLLETTSVILLE. SMALL HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. VERY HEAVY RAINFALL AT RATES OF 1 TO 2 INCHES PER HOUR WILL BE BRIEFLY POSSIBLE AS WELL. HG
Special weather statement, Jul 22, 8:38 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 838 PM EDT WED JUL 22 2009 NCZ057-230115- ROWAN- 838 PM EDT WED JUL 22 2009 ...STRONG THUNDERSTORMS WILL AFFECT WESTERN ROWAN COUNTY THROUGH 915 PM EDT... AT 836 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SERIES OF THUNDERSTORMS MOVING NORTHEAST AT 15 MPH ACROSS WESTERN ROWAN COUNTY...MAINLY FROM ENOCHVILLE TO JUST WEST OF CHINA GROVE...TO NEAR CLEVELAND. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING PEA SIZE HAIL...WIND GUSTS TO 35 MPH...AND TORRENTIAL RAINFALL AT RATES OF 1 TO 2 INCHES PER HOUR. DEEP PONDING OF WATER MAY DEVELOP IN LOW LYING AREAS. HG
Special weather statement, Jul 22, 9:28 PM EDT, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 928 PM EDT WED JUL 22 2009 SCZ014-230215- CHESTER- 928 PM EDT WED JUL 22 2009 ...STRONG THUNDERSTORMS WILL AFFECT EASTERN CHESTER COUNTY THROUGH 1015 PM EDT... AT 928 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES NORTHEAST OF BLACKSTOCK TO 6 MILES NORTHEAST OF WINNSBORO...MOVING NORTHEAST AT 15 MPH. * OTHER LOCATIONS AFFECTED INCLUDE BUT ARE NOT LIMITED TO GREAT FALLS RESERVOIR...FISHING CREEK RESERVOIR...RICHBURG...GREAT FALLS...FORT LAWN...CORNWELL AND BLACKSTOCK. PEA SIZE HAIL...AND WIND GUSTS OF 30 TO 40 MPH ARE EXPECTED WITH THESE STORMS. HG
Special weather statement, Jul 22, 9:35 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 935 PM EDT WED JUL 22 2009 NCZ072-230215- CABARRUS- 935 PM EDT WED JUL 22 2009 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CABARRUS COUNTY THROUGH 1015 PM EDT... AT 933 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR KANNAPOLIS...OR 6 MILES NORTHWEST OF CONCORD...MOVING NORTHEAST AT 15 MPH. ADDITIONAL STRONG THUNDERSTORMS WERE REDEVELOPING TO THE SOUTHWEST OF KANNAPOLIS. PEA SIZE HAIL...WIND GUSTS OF 30 TO 40 MPH...AND TORRENTIAL RAINFALL AT RATES OF 1 TO 2 INCHES PER HOUR ARE EXPECTED WITH THIS STORM. HG
The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 8:46 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Iredell, Rowan | 59 min |
| Jul 22, 9:16 PM EDT | Areal Flood Advisory | GSP | Rowan | 36 min |
| Jul 22, 9:42 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 63 min |
| Jul 22, 10:16 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 59 min |
| Jul 22, 10:33 PM EDT | Flash Flood Warning | GSP | Cabarrus, Mecklenburg | 2 hr |
| Jul 23, 12:38 AM EDT | Areal Flood Warning | GSP | Cabarrus | 3 hr |
| Jul 23, 4:32 AM EDT | Areal Flood Advisory | GSP | Cabarrus | 6 hr |
| Jul 23, 10:17 AM EDT | Areal Flood Advisory | GSP | Cabarrus | 118 min |
| Jul 23, 2:59 PM EDT | Severe Thunderstorm Warning | GSP | Rutherford | 61 min |
| Jul 23, 3:46 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk | 59 min |
| Jul 23, 4:36 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Iredell | 54 min |
| Jul 23, 4:57 PM EDT | Severe Thunderstorm Warning | GSP | Cleveland, Gaston | 63 min |
| Jul 23, 6:01 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Mecklenburg | 59 min |
| Jul 23, 6:49 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Union | 27 min |
| Jul 23, 3:59 PM EDT | Severe Thunderstorm Warning | GSP | Oconee | 35 min |
Nearby
Flash Flood Warnings in North Carolina, 2009Every flash flood 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.