Alert archive / North Carolina / Flash Flood Warnings in 2012
Flash Flood Warning 16, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 6, 2012, 8:46 PM EDT for Cabarrus County, Mecklenburg County, North Carolina. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2012, 8:46 PM EDT (00:46 UTC)
- Expired
- Aug 6, 2012, 10:45 PM EDT
- In force
- 119 min
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cabarrus County, NC, Mecklenburg County, NC
The radar
The Greer radar (KGSP), 144 km from the middle of the area, began a volume at 00:47 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, 0.8 hours before the alert went out and 115 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
- 277 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1519 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
479
WGUS52 KGSP 070046
FFWGSP
NCC025-119-070630-
/O.NEW.KGSP.FF.W.0016.120807T0046Z-120807T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
846 PM EDT MON AUG 6 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CABARRUS COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
MECKLENBURG COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
* UNTIL 230 AM EDT
* AT 844 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD
PRODUCED TWO TO THREE INCHES OF RAINFALL ACROSS ACROSS THE
WARNED AREA.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LITTLE SUGAR CREEK IN CENTRAL MECKLENBURG COUNTY...AND BACK CREEK
IN SOUTH CENTRAL CABARRUS COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
TO REPORT HIGH WATER...FLOODING...MUDSLIDES...LANDSLIDES OR OTHER
SEVERE WEATHER THROUGH OUR AUTOMATED REPORTING SYSTEM...CALL OUR TOLL
FREE NUMBER... 1 8 7 7...6 3 3...6 7 7 2.
&&
LAT...LON 3518 8050 3521 8055 3515 8062 3511 8096
3534 8094 3536 8092 3537 8094 3551 8092
3549 8030
$$
072 follow-up statements
215
WGUS72 KGSP 070214
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1014 PM EDT MON AUG 6 2012
NCC025-119-070630-
/O.CON.KGSP.FF.W.0016.000000T0000Z-120807T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
1014 PM EDT MON AUG 6 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MECKLENBURG AND CABARRUS
COUNTIES UNTIL 230 AM EDT...
AT 1007 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THAT THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD MOVED OUT OF THE
WARNED AREA...AND ONLY LIGHT RAINFALL WAS APPROACHING THE AREA.
RAINFALL AMOUNTS OF AROUND THREE INCHES OCCURRED EARLIER THIS
EVENING.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING
INCLUDE...BACK CREEK AT CALDWELL ROAD...AND MALLARD CREEK NEAR
HIGHWAY 29.
THE STREAM LEVEL OF BACK CREEK HAS CRESTED AND IS FALLING...WHILE
THE STREAM LEVEL OF MALLARD CREEK CONTINUES TO RISE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE MINOR FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3518 8050 3521 8055 3515 8062 3511 8096
3534 8094 3536 8092 3537 8094 3551 8092
3549 8030
$$
07160
WGUS72 KGSP 070245
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1045 PM EDT MON AUG 6 2012
NCC025-119-070300-
/O.CAN.KGSP.FF.W.0016.000000T0000Z-120807T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CABARRUS NC-MECKLENBURG NC-
1045 PM EDT MON AUG 6 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MECKLENBURG AND
CABARRUS COUNTIES IS CANCELLED...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3518 8050 3521 8055 3515 8062 3511 8096
3534 8094 3536 8092 3537 8094 3551 8092
3549 8030
$$
07The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:10 PM EDT | Areal Flood Advisory | GSP | Cabarrus, Mecklenburg | 110 min |
| Aug 7, 6:12 PM EDT | Special Weather Statement | GSP | Caldwell | 48 min |
| Aug 7, 6:30 PM EDT | Special Weather Statement | GSP | Mecklenburg | 45 min |
| Aug 7, 7:23 PM EDT | Special Weather Statement | GSP | Mecklenburg | 52 min |
| Aug 7, 7:32 PM EDT | Areal Flood Advisory | GSP | Mecklenburg | 118 min |
| Aug 7, 7:43 PM EDT | Flash Flood Warning | GSP | Mecklenburg | 4 hr |
Nearby
Flash Flood Warnings in North Carolina, 2012Every flash flood warning in 2012
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.