Alert archive / North Carolina / Flash Flood Warnings in 2012
Flash Flood Warning 27, NWS Greenville-Spartanburg, SC
NWS Greenville-Spartanburg, SC issued this flash flood warning at Aug 29, 2012, 3:53 PM EDT for Union County, North Carolina. It was in force for 3 hr. 3 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 29, 2012, 3:53 PM EDT (19:53 UTC)
- Expired
- Aug 29, 2012, 7:00 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), 137 km from the middle of the area, began a volume at 19:53 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 29, 3:56 PM EDT | FLASH FLOOD | 6 Se Fairview, NC | EAST LAWYERS ROAD BETWEEN THE INTERSECTIONS OF MORGAN MILL ROAD AND HONEYCUTT SIMPSON ROAD IS CLOSED DUE TO FLOODING. |
| Aug 29, 4:15 PM EDT | FLASH FLOOD | 5 E Monroe, NC | MCINTYRE ROAD IS CLOSED DUE TO FLOODING. |
| Aug 29, 4:30 PM EDT | FLASH FLOOD | 4 Se Fairview, NC | FLOODING WAS REPORTED NEAR THE INTERSECTION OF SIKES MILL ROAD AND LOVE MILL 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 12:00Z, 7.9 hours before the alert went out and 124 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
- 159 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 17 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.
114
WGUS52 KGSP 291953
FFWGSP
NCC179-292300-
/O.NEW.KGSP.FF.W.0027.120829T1953Z-120829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
353 PM EDT WED AUG 29 2012
THE NATIONAL WEATHER SERVICE IN GREENVILLE-SPARTANBURG HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL UNION COUNTY IN THE PIEDMONT OF NORTH CAROLINA...
* UNTIL 700 PM EDT
* AT 351 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
WARNED AREA. RADAR ESTIMATES THAT 3 TO 4 INCHES OF RAIN HAS FALLEN
IN THIS AREA OVER THE PAST TWO HOURS IN THE VICINITY OF UNIONVILLE.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
MONROE...FAIRVIEW...MARSHVILLE...UNIONVILLE AND WINGATE. STREAMS
THAT WILL BE AFFECTED INCLUDE CROOKED CREEK...STEWARDS CREEK AND
RICHARDSON CREEK.
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.
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 3515 8040 3498 8033 3493 8044 3498 8059
3515 8056
$$
MCAVOY3 follow-up statements
357
WGUS72 KGSP 292057
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
457 PM EDT WED AUG 29 2012
NCC179-292300-
/O.CON.KGSP.FF.W.0027.000000T0000Z-120829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
457 PM EDT WED AUG 29 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL UNION COUNTY IN
THE PIEDMONT OF NORTH CAROLINA UNTIL 700 PM EDT...
AT 456 PM EDT...EMERGENCY MANAGEMENT REPORTED THAT FLASH FLOODING WAS
OCCURRING IN JUST EAST OF UNIONVILLE AND NEAR WINGATE.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING ALSO
INCLUDE...MONROE...FAIRVIEW AND MARSHVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES...AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
&&
LAT...LON 3515 8040 3498 8033 3493 8044 3498 8059
3515 8056
$$
RWH709
WGUS72 KGSP 292208
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
608 PM EDT WED AUG 29 2012
NCC179-292300-
/O.CON.KGSP.FF.W.0027.000000T0000Z-120829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
608 PM EDT WED AUG 29 2012
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CENTRAL UNION COUNTY IN
THE PIEDMONT OF NORTH CAROLINA UNTIL 700 PM EDT...
AT 607 PM EDT...EMERGENCY MANAGEMENT REPORTED THAT ROADS WERE STILL
FLOODED EAST OF UNIONVILLE AND NEAR WINGATE. RAINFALL HAS ENDED OVER
THE AREA AND NO ADDITIONAL HEAVY RAIN IS EXPECTED EARLY THIS
EVENING. THEREFORE...NO ADDITIONAL FLOODING IS EXPECTED...BUT WATER
SHOULD SLOWLY RECEDE THROUGH THE EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.
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 3515 8040 3498 8033 3493 8044 3498 8059
3515 8056
$$
RWH889
WGUS72 KGSP 292301
FFSGSP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
701 PM EDT WED AUG 29 2012
NCC179-292316-
/O.EXP.KGSP.FF.W.0027.000000T0000Z-120829T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
UNION NC-
701 PM EDT WED AUG 29 2012
...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CENTRAL UNION
COUNTY IN THE PIEDMONT OF NORTH CAROLINA HAS BEEN ALLOWED TO
EXPIRE...
EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.
LAT...LON 3515 8040 3498 8033 3493 8044 3498 8059
3515 8056
$$The office that day
Everything else NWS Greenville-Spartanburg, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 8:09 PM EDT | Special Weather Statement | GSP | Union | 36 min |
| Aug 28, 8:50 PM EDT | Special Weather Statement | GSP | Davie | 55 min |
| Aug 28, 9:39 PM EDT | Special Weather Statement | GSP | Davie | 66 min |
| Aug 28, 10:32 PM EDT | Special Weather Statement | GSP | Davie | 58 min |
| Aug 28, 11:06 PM EDT | Areal Flood Advisory | GSP | Davie | 114 min |
| Aug 28, 11:22 PM EDT | Special Weather Statement | GSP | Iredell | 38 min |
| Aug 29, 12:02 AM EDT | Special Weather Statement | GSP | Iredell | 58 min |
| Aug 29, 2:16 PM EDT | Special Weather Statement | GSP | Union | 44 min |
| Aug 29, 2:34 PM EDT | Areal Flood Advisory | GSP | Union | 86 min |
| Aug 29, 2:46 PM EDT | Areal Flood Advisory | GSP | Mecklenburg | 104 min |
| Aug 29, 4:32 PM EDT | Special Weather Statement | GSP | Polk | 43 min |
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.