Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 27, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Jul 31, 2011, 1:15 PM EDT for Anson County, North Carolina. It was in force for 111 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
- Jul 31, 2011, 1:15 PM EDT (17:15 UTC)
- Expired
- Jul 31, 2011, 3:06 PM EDT
- In force
- 111 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
County Anson County, NC
The radar
The Columbia radar (KCAE), 157 km from the middle of the area, began a volume at 17:17 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, 5.3 hours before the alert went out and 114 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
- 795 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 876 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
623
WGUS52 KRAH 311715
FFWRAH
NCC007-312015-
/O.NEW.KRAH.FF.W.0027.110731T1715Z-110731T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
115 PM EDT SUN JUL 31 2011
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
ANSON COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 415 PM EDT
* AT 110 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAIN LIKELY PRODUCING FLOODING OVER
ANSON COUNTY. DOPPLER RADAR ESTIMATED THAT OVER FOUR INCHES OF
RAIN LIKELY HAD OCCURRED AROUND WADESBORO BETWEEN 11 AM AND 1 PM.
THUNDERSTORMS CONTINUED TO DEVELOP OVER THE AREA.
* LOCATIONS THREATENED WITH FLOODING INCLUDE WADESBORO AND
SURROUNDING AREAS.
AN ADDITIONAL ONE TO THREE INCHES OF RAINFALL ARE STILL POSSIBLE
RESULTING IN ADDITIONAL FLOODING...AND RAINFALL TOTALS POSSIBLY
EXCEEDING SIX INCHES LOCALLY FOR THE DAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXTREMELY DANGEROUS. NUMEROUS ROADS AND LOW LYING
AREAS CAN QUICKLY FLOOD. FLOOD WATERS COULD ALSO THREATEN SOME HOMES
AND BUSINESSES. IF YOU ARE EXPERIENCING FLOODING OR LIVE IN A FLOOD
PRONE AREA...ESPECIALLY NEAR WADESBORO...MOVE TO HIGHER GROUND.
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 3519 8029 3521 8026 3516 8023 3515 8021
3517 8020 3515 8018 3519 8011 3511 8007
3508 8000 3512 7995 3511 7992 3505 7988
3501 7990 3499 7988 3487 7987 3485 7990
3480 7992 3481 8033
$$
DJF2 follow-up statements
404
WGUS72 KRAH 311813
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
213 PM EDT SUN JUL 31 2011
NCC007-312015-
/O.CON.KRAH.FF.W.0027.000000T0000Z-110731T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ANSON NC-
213 PM EDT SUN JUL 31 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR ANSON
COUNTY...
AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE SCATTERED SHOWERS AND THUNDERSTORMS OVER ANSON COUNTY.
DURING THE LATE MORNING AND EARLY AFTERNOON...RADAR ESTIMATED THAT
AS MUCH AS FIVE INCHES OF RAIN FELL AROUND THE COMMUNITY OF
WADESBORO. CONTACTS WITH LOCAL LAW ENFORCEMENT NOTED NO PROBLEMS DUE
TO FLOODING...HOWEVER. IF THIS TREND CONTINUES...AND STORMS DO NOT
INCREASE IN COVERAGE...THE WARNING MAY BE CANCELLED EARLY.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
WADESBORO AND SURROUNDING AREAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM EARLIER HEAVY RAINFALL CAN CAUSE FLOODING OF
SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG
THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE WHERE WATER COVERS THE
ROAD. STAY AWAY FROM ANY STREAMS AND CREEKS THAT ARE RUNNING HIGH
AND FLOWING FAST.
&&
LAT...LON 3519 8029 3521 8026 3516 8023 3515 8021
3517 8020 3515 8018 3519 8011 3511 8007
3508 8000 3512 7995 3511 7992 3505 7988
3501 7990 3499 7988 3487 7987 3485 7990
3480 7992 3481 8033
$$
DJF748
WGUS72 KRAH 311906
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
306 PM EDT SUN JUL 31 2011
NCC007-311915-
/O.CAN.KRAH.FF.W.0027.000000T0000Z-110731T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ANSON NC-
306 PM EDT SUN JUL 31 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR ANSON COUNTY...
AT 302 PM EDT...THE WADESBORO POLICE DEPARTMENT REPORTED NO PROBLEMS
WITH FLASH FLOODING IN AND AROUND THE COMMUNITY OF WADESBORO. THERE
WERE SOME MINOR SEWER BACKUPS DUE TO THE EARLIER HEAVY RAIN...BUT NO
FLASH FLOODING. WITH NO ONGOING RAINFALL AND NO REPORTS OF
FLOODING...THE FLASH FLOOD WARNING HAS BEEN CANCELLED.
STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.
LAT...LON 3519 8029 3521 8026 3516 8023 3515 8021
3517 8020 3515 8018 3519 8011 3511 8007
3508 8000 3512 7995 3511 7992 3505 7988
3501 7990 3499 7988 3487 7987 3485 7990
3480 7992 3481 8033
$$
DJFThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 8:08 PM EDT | Areal Flood Advisory | RAH | Durham, Granville, Wake | 3 hr |
| Jul 30, 8:41 PM EDT | Special Weather Statement | RAH | Granville | 64 min |
| Jul 30, 8:46 PM EDT | Severe Thunderstorm Warning | RAH | Wake | 44 min |
| Jul 30, 8:56 PM EDT | Areal Flood Advisory | RAH | Granville | 110 min |
| Jul 30, 9:39 PM EDT | Areal Flood Advisory | RAH | Franklin, Wake | 117 min |
| Jul 30, 10:17 PM EDT | Special Weather Statement | RAH | Wake | 58 min |
| Jul 30, 10:29 PM EDT | Areal Flood Advisory | RAH | Wake | 68 min |
| Jul 31, 3:14 AM EDT | Areal Flood Advisory | RAH | Stanly | 2 hr |
| Jul 31, 9:56 AM EDT | Special Weather Statement | RAH | Anson | 49 min |
| Jul 31, 11:28 AM EDT | Areal Flood Advisory | RAH | Anson | 2 hr |
| Jul 31, 12:14 PM EDT | Areal Flood Advisory | RAH | Anson, Montgomery, Richmond, Stanly | 3 hr |
| Jul 31, 12:16 PM EDT | Special Weather Statement | RAH | Wake | 59 min |
| Jul 31, 12:20 PM EDT | Special Weather Statement | RAH | Richmond, Scotland | 55 min |
| Jul 31, 12:28 PM EDT | Special Weather Statement | RAH | Nash | 62 min |
| Jul 31, 1:00 PM EDT | Special Weather Statement | RAH | Nash | 45 min |
| Jul 31, 1:12 PM EDT | Special Weather Statement | RAH | Johnston | 48 min |
| Jul 31, 1:37 PM EDT | Special Weather Statement | RAH | Wilson | 38 min |
| Jul 31, 1:41 PM EDT | Special Weather Statement | RAH | Nash | 49 min |
| Jul 31, 1:51 PM EDT | Special Weather Statement | RAH | Edgecombe | 54 min |
| Jul 31, 1:57 PM EDT | Special Weather Statement | RAH | Chatham | 63 min |
| Jul 31, 2:10 PM EDT | Special Weather Statement | RAH | Franklin | 65 min |
| Jul 31, 2:26 PM EDT | Special Weather Statement | RAH | Harnett | 49 min |
| Jul 31, 2:36 PM EDT | Areal Flood Advisory | RAH | Alamance, Orange | 3 hr |
| Jul 31, 3:29 PM EDT | Areal Flood Advisory | RAH | Durham, Wake | 3 hr |
| Jul 31, 3:36 PM EDT | Special Weather Statement | RAH | Johnston | 39 min |
| Jul 31, 4:25 PM EDT | Special Weather Statement | RAH | Forsyth | 65 min |
| Jul 31, 5:07 PM EDT | Special Weather Statement | RAH | Davidson, Forsyth | 53 min |
| Jul 31, 5:17 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Randolph | 58 min |
| Jul 31, 5:20 PM EDT | Areal Flood Advisory | RAH | Davidson, Forsyth | 100 min |
| Jul 31, 6:05 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Randolph | 40 min |
| Jul 31, 6:28 PM EDT | Special Weather Statement | RAH | Montgomery, Stanly | 62 min |
| Jul 31, 6:47 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Stanly | 43 min |
| Jul 31, 7:08 PM EDT | Areal Flood Advisory | RAH | Montgomery, Stanly | 74 min |
| Jul 31, 7:21 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Montgomery, Richmond | 54 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.