Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 49, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Sep 23, 2011, 10:56 AM EDT for 4 counties in North Carolina. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 23, 2011, 10:56 AM EDT (14:56 UTC)
- Expired
- Sep 23, 2011, 1:14 PM EDT
- In force
- 2 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Anson County, NC, Montgomery County, NC, Richmond County, NC, Stanly County, NC
The radar
The Raleigh/Durham radar (KRAX), 149 km from the middle of the area, began a volume at 14:57 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, 2.9 hours before the alert went out and 111 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
- 120 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 494 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 86 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
865
WGUS52 KRAH 231456
FFWRAH
NCC007-123-153-167-231745-
/O.NEW.KRAH.FF.W.0049.110923T1456Z-110923T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1056 AM EDT FRI SEP 23 2011
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ANSON COUNTY IN CENTRAL NORTH CAROLINA
MONTGOMERY COUNTY IN CENTRAL NORTH CAROLINA
RICHMOND COUNTY IN CENTRAL NORTH CAROLINA
STANLY COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 145 PM EDT
* AT 1043 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN SPREADING INTO STANLY...RICHMOND...MONTGOMERY AND
ANSON COUNTIES. DOPPLER RADAR ESTIMATED THAT UP TO AN INCH OF RAIN
HAS FALLEN OVER WESTERN STANLY AND ANSON COUNTIES DURING THE PAST
HOUR...AND AN ADDITIONAL TWO INCHES ARE LIKELY THROUGH EARLY
AFTERNOON.
* LOCATIONS THREATENED WITH FLOODING INCLUDE WADESBORO...TROY...
ROCKINGHAM...PLYLER...HAMLET...ELDORADO...BISCOE...ANSONVILLE AND
ALBEMARLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS. DO
NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD. MANY
ROADS AND INTERSECTIONS IN THE AREA WILL QUICKLY FLOOD. WHEN
ENCOUNTERING FLOODED ROADS TURN AROUND...DONT DROWN.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3549 8031 3550 7977 3527 7971 3514 7959
3506 7956 3488 7960 3485 7963 3482 7962
3481 7969 3480 7969 3480 8013 3483 8033
3519 8029 3517 8035 3516 8046 3521 8050
$$
133 follow-up statements
271
WGUS72 KRAH 231600
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1200 PM EDT FRI SEP 23 2011
NCC007-123-153-167-231745-
/O.CON.KRAH.FF.W.0049.000000T0000Z-110923T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ANSON NC-MONTGOMERY NC-RICHMOND NC-STANLY NC-
1200 PM EDT FRI SEP 23 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
STANLY...RICHMOND...MONTGOMERY AND ANSON COUNTIES...
AT 1148 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE HEAVY RAIN OVER STANLY...RICHMOND...MONTGOMERY AND ANSON
COUNTIES. DOPPLER RADAR ESTIMATED THAT ONE TO TWO INCHES OF RAIN
HAVE FALLEN OVER MUCH OF THE AREA LATE THIS MORNING. AN ADDITIONAL
INCH OF RAIN IS POSSIBLE OVER ANSON AND STANLY COUNTIES...AND ONE TO
POSSIBLY TWO INCHES ARE POSSIBLE OVER RICHMOND AND MONTGOMERY
COUNTIES EARLY THIS AFTERNOON.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
WADESBORO...ROCKINGHAM...TROY...PLYLER...ELDORADO...BISCOE...
ANSONVILLE AND ALBEMARLE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...AND OTHER LOW LYING AND POORLY DRAINED
AREAS...ESPECIALLY IN URBAN AREAS. DO NOT DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROAD. WHEN ENCOUNTERING FLOODED ROADS
TURN AROUND...DONT DROWN.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3549 8031 3550 7977 3527 7971 3514 7959
3506 7956 3488 7960 3485 7963 3482 7962
3481 7969 3480 7969 3480 8013 3483 8033
3519 8029 3517 8035 3516 8046 3521 8050
$$
13108
WGUS72 KRAH 231630
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1230 PM EDT FRI SEP 23 2011
NCC007-167-231635-
/O.CAN.KRAH.FF.W.0049.000000T0000Z-110923T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ANSON NC-STANLY NC-
1230 PM EDT FRI SEP 23 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR STANLY AND ANSON
COUNTIES...
AT 1216 PM EDT...HEAVY RAIN WAS TAPERING OFF FROM THE WEST OVER
STANLY AND ANSON COUNTIES. DOPPLER RADAR ESTIMATED THAT ONE TO TWO
INCHES OF RAIN HAD FALLEN ACROSS THE AREA...BUT NO FLOODING WAS
REPORTED.
LAT...LON 3480 7992 3485 7990 3490 7985 3498 7987
3501 7990 3505 7988 3512 7993 3508 7999
3511 8007 3518 8005 3528 8010 3537 8005
3546 8011 3549 8018 3550 7977 3527 7971
3514 7959 3506 7956 3482 7962
$$
NCC123-153-231745-
/O.CON.KRAH.FF.W.0049.000000T0000Z-110923T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY NC-RICHMOND NC-
1230 PM EDT FRI SEP 23 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 PM EDT FOR
RICHMOND AND MONTGOMERY COUNTIES...
AT 1216 PM EDT...WIDESPREAD HEAVY RAIN CONTINUED ACROSS RICHMOND AND
MONTGOMERY COUNTIES. DOPPLER RADAR ESTIMATED THAT UP TO TWO INCHES
HAD FALLEN ACROSS THE AREA...AND AN ADDITIONAL INCH OF RAIN IS
POSSIBLE BEFORE THE RAIN TAPERS OFF EARLY THIS AFTERNOON.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
ROCKINGHAM...TROY...CANDOR...ELDORADO AND BISCOE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM THE HEAVY RAIN WILL CAUSE FLASH FLOODING OF
CREEKS AND STREAMS...ROADS...LOW LYING AND POOR DRAINAGE
AREAS...ESPECIALLY IN URBAN AREAS. DO NOT DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROAD. WHEN ENCOUNTERING FLOODED ROADS
TURN AROUND...DONT DROWN.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3480 7992 3485 7990 3490 7985 3498 7987
3501 7990 3505 7988 3512 7993 3508 7999
3511 8007 3518 8005 3528 8010 3537 8005
3546 8011 3549 8018 3550 7977 3527 7971
3514 7959 3506 7956 3482 7962
$$
13923
WGUS72 KRAH 231714
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
114 PM EDT FRI SEP 23 2011
NCC123-153-231721-
/O.CAN.KRAH.FF.W.0049.000000T0000Z-110923T1745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONTGOMERY NC-RICHMOND NC-
114 PM EDT FRI SEP 23 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR RICHMOND AND
MONTGOMERY COUNTIES...
AT 106 PM EDT...RAIN WAS TAPERING OFF ACROSS RICHMOND AND MONTGOMERY
COUNTIES. DOPPLER RADAR ESTIMATED THAT UP TO TWO INCHES OF RAIN FELL
ACROSS THE AREA LATE THIS MORNING THROUGH EARLY AFTERNOON. THE RAIN
CAUSED TRAFFIC ACCIDENTS DUE TO HYDROPLANING...BUT NO FLOODING OF
SIGNIFICANCE WAS REPORTED.
LAT...LON 3480 7992 3485 7990 3490 7985 3498 7987
3501 7990 3505 7988 3512 7993 3508 7999
3511 8007 3518 8005 3528 8010 3537 8005
3546 8011 3549 8018 3550 7977 3527 7971
3514 7959 3506 7956 3482 7962
$$
13The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 8:21 PM EDT | Areal Flood Advisory | RAH | Wayne | 3 hr |
| Sep 23, 4:19 AM EDT | Areal Flood Advisory | RAH | Guilford, Randolph | 3 hr |
| Sep 23, 8:20 AM EDT | Special Weather Statement | RAH | Alamance, Guilford, Orange, Randolph | 55 min |
| Sep 23, 8:54 AM EDT | Areal Flood Advisory | RAH | Guilford | 3 hr |
| Sep 23, 9:36 AM EDT | Special Weather Statement | RAH | Alamance, Anson, Davidson, Forsyth, Guilford, Montgomery and 2 more | 114 min |
| Sep 23, 10:11 AM EDT | Areal Flood Advisory | RAH | Anson, Davidson, Forsyth, Montgomery, Randolph, Richmond and 1 more | 109 min |
| Sep 23, 10:59 AM EDT | Flash Flood Warning | RAH | Davidson, Forsyth, Guilford, Randolph | 3 hr |
| Sep 23, 11:54 AM EDT | Areal Flood Advisory | RAH | Hoke, Moore, Scotland | 2 hr |
| Sep 23, 12:19 PM EDT | Special Weather Statement | RAH | Sampson, Wayne | 56 min |
| Sep 23, 12:53 PM EDT | Special Weather Statement | RAH | Edgecombe, Sampson, Wayne, Wilson | 82 min |
| Sep 23, 1:40 PM EDT | Special Weather Statement | RAH | Wayne | 50 min |
| Sep 23, 1:47 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Halifax, Johnston, Nash, Sampson, Wayne and 1 more | 2 hr |
| Sep 23, 2:37 PM EDT | Special Weather Statement | RAH | Warren | 38 min |
| Sep 23, 3:13 PM EDT | Special Weather Statement | RAH | Edgecombe, Halifax, Nash | 62 min |
Nearby
Flash Flood Warnings in North Carolina, 2011Every flash flood warning in 2011
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.