Alert archive / North Carolina / Flash Flood Warnings in 2012
Flash Flood Warning 19, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 8, 2012, 8:41 PM EDT for Union County, North Carolina. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 8, 2012, 8:41 PM EDT (00:41 UTC)
- Expired
- Aug 8, 2012, 11:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Greenville-Spartanburg, SC
- Area
- Storm-based polygon
- Flood severity
- None
County Union County, NC
The radar
The Columbia radar (KCAE), 123 km from the middle of the area, began a volume at 00:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 8, 9:30 PM EDT | FLASH FLOOD | 5 Sse Monroe, NC | FLOODING IMPACTING MACEDONIA CHURCH AND MEDLIN ROADS NEAR LITTLE RICHARDSON CREEK. ALSO...FLOODING NEAR THE INTERSECTION OF MACEDONIA CHURCH ROAD AND STACK ROAD. FLOOD WATERS ON PLYLER MILL ROAD. |
| Aug 8, 10:49 PM EDT | FLASH FLOOD | 5 Sse Monroe, NC | HIGH WATER CROSSING CHARLIE WILLIAMS ROAD NEAR THE INTERSECTION WITH STACK ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.7 hours before the alert went out and 139 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
- 328 J/kg
- Mixed-layer CIN
- -116 J/kg
- Mixed-layer LCL
- 1308 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
253
WGUS52 KGSP 090041
FFWGSP
NCC179-090330-
/O.NEW.KGSP.FF.W.0019.120809T0041Z-120809T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
841 PM EDT WED AUG 8 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
* UNTIL 1130 PM EDT
* AT 834 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. DUAL POLARIZATION RADAR RAINFALL ESTIMATES INDICATE
THAT AREAS SOUTH OF MONROE HAVE SEEN BETWEEN 2.5 TO 3 INCHES SINCE
730 PM. AND ADDITIONAL INCH TO ONE AND A HALF INCHES IS POSSIBLE
BY 930 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MONROE...MINERAL SPRINGS...STURDIVANTS AND WINGATE.
MOTORIST AND RESIDENCE ALONG MACEDONIA CHURCH AND MEDLIN ROADS NEAR
LITTLE RICHARDSON CREEK AND BUCK BRANCH SHOULD MONITOR WATER LEVELS
FOR RAPID RISES. IN ADDITION...FLOODING ACROSS WINDSOR AND FRANKLIN
STREETS. STILL BRANCH MAY FLOOD...ESPECIALLY ALONG CRESCENT AND
PARKER STREETS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
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 3498 8043 3494 8032 3482 8033 3482 8068
3495 8068 3500 8055
$$
NED3 follow-up statements
237
WGUS72 KGSP 090143
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
943 PM EDT WED AUG 8 2012
NCC179-090330-
/O.CON.KGSP.FF.W.0019.000000T0000Z-120809T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
943 PM EDT WED AUG 8 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN UNION COUNTY IN
THE PIEDMONT OF NORTH CAROLINA UNTIL 1130 PM EDT...
AT 940 PM EDT...DUAL POLARIZATION RADAR RAINFALL ESTIMATES INDICATE
THAT AREAS SOUTH OF MONROE AND EAST OF TRINITY HAVE SEEN BETWEEN 3
TO 4 INCHES SINCE 730 PM. RUNOFF FROM THE HEAVY RAIN MAY RESULT IN
THE RAPID RISE OF SMALL STREAMS AND CREEKS IN THE AREA.
MOTORIST AND PROPERTY OWNERS ALONG MACEDONIA CHURCH AND MEDLIN ROADS
NEAR LITTLE RICHARDSON CREEK AND BUCK BRANCH SHOULD MONITOR WATER
LEVELS FOR RAPID RISES. IN ADDITION...FLOODING ACROSS WINDSOR AND
FRANKLIN STREETS. STILL BRANCH MAY FLOOD...ESPECIALLY ALONG CRESCENT
AND PARKER STREETS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
MONROE...MINERAL SPRINGS AND STURDIVANTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
GREENVILLE-SPARTANBURG.
&&
LAT...LON 3498 8043 3494 8032 3482 8033 3482 8068
3495 8068 3500 8055
$$
NED479
WGUS72 KGSP 090244
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1044 PM EDT WED AUG 8 2012
NCC179-090330-
/O.CON.KGSP.FF.W.0019.000000T0000Z-120809T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
1044 PM EDT WED AUG 8 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR SOUTHERN UNION COUNTY IN
THE PIEDMONT OF NORTH CAROLINA UNTIL 1130 PM EDT...
AT 1040 PM EDT...DUAL POLARIZATION RADAR RAINFALL ESTIMATES INDICATE
THAT AREAS SOUTH OF MONROE AND EAST OF TRINITY HAVE SEEN BETWEEN 3
TO 4 INCHES SINCE 730 PM. RUNOFF FROM THE HEAVY RAIN MAY RESULT IN
RAPIDLY RISING WATER LEVELS ALONG SMALL STREAMS AND CREEKS IN
THE AREA...ESPECIALLY NEAR LAKE STEWART.
AT 1030 PM...PUBLIC OFFICIALS REPORTED FLOOD WATERS IMPACTING
MACEDONIA CHURCH AND MEDLIN ROADS NEAR LITTLE RICHARDSON CREEK.
ALSO...FLOODING NEAR THE INTERSECTION OF MACEDONIA CHURCH ROAD AND
STACK ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN
GREENVILLE-SPARTANBURG.
&&
LAT...LON 3498 8043 3494 8032 3482 8033 3482 8068
3495 8068 3500 8055
$$
NED948
WGUS72 KGSP 090321
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
1121 PM EDT WED AUG 8 2012
NCC179-090336-
/O.EXP.KGSP.FF.W.0019.000000T0000Z-120809T0330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
1121 PM EDT WED AUG 8 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHERN UNION
COUNTY IN THE PIEDMONT OF NORTH CAROLINA WILL BE ALLOWED TO EXPIRE AT
1130 PM EDT...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3498 8043 3494 8032 3482 8033 3482 8068
3495 8068 3500 8055
$$
NEDThe office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:39 PM EDT | Special Weather Statement | GSP | Graham | 51 min |
| Aug 9, 1:55 PM EDT | Special Weather Statement | GSP | Henderson | 35 min |
| Aug 9, 2:17 PM EDT | Areal Flood Advisory | GSP | Madison | 103 min |
| Aug 9, 2:49 PM EDT | Severe Thunderstorm Warning | GSP | Haywood, Jackson, Swain | 56 min |
| Aug 9, 2:55 PM EDT | Severe Thunderstorm Warning | GSP | Buncombe, Henderson | 46 min |
| Aug 9, 3:16 PM EDT | Severe Thunderstorm Warning | GSP | Haywood | 59 min |
| Aug 9, 4:38 PM EDT | Special Weather Statement | GSP | Henderson | 37 min |
| Aug 9, 4:51 PM EDT | Severe Thunderstorm Warning | GSP | Henderson, Polk | 69 min |
| Aug 9, 6:18 PM EDT | Special Weather Statement | GSP | Rutherford | 42 min |
| Aug 9, 6:41 PM EDT | Special Weather Statement | GSP | Burke | 34 min |
| Aug 9, 6:46 PM EDT | Severe Thunderstorm Warning | GSP | Burke, Cleveland, McDowell, Rutherford | 44 min |
| Aug 9, 6:59 PM EDT | Areal Flood Advisory | GSP | Caldwell | 2 hr |
| Aug 9, 7:26 PM EDT | Flash Flood Warning | GSP | Caldwell | 2 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.