Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 45, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 29, 2011, 7:30 PM EDT for Edgecombe County, Nash 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 29, 2011, 7:30 PM EDT (23:30 UTC)
- Expired
- Aug 29, 2011, 10:03 PM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Edgecombe County, NC, Nash County, NC
The radar
The Raleigh/Durham radar (KRAX), 79 km from the middle of the area, began a volume at 23:31 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, 8:25 PM EDT | FLASH FLOOD | 10 S Tarboro, NC | SEVERAL ROADS STILL CLOSED IN THE SOUTHERN PART OF EDGECOMBE COUNTY. |
| Aug 29, 9:45 PM EDT | FLASH FLOOD | 10 S Tarboro, NC | FLOODING ABATED. ROADS WERE REPORTED TO NOW BE OPEN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 11.5 hours before the alert went out and 138 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
- 1590 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 913 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
873
WGUS52 KRAH 292330
FFWRAH
NCC065-127-300230-
/O.NEW.KRAH.FF.W.0045.110829T2330Z-110830T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
730 PM EDT MON AUG 29 2011
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EDGECOMBE COUNTY IN CENTRAL NORTH CAROLINA
NASH COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 1030 PM EDT
* AT 726 PM EDT...LOCAL LAW ENFORCEMENT REPORTED THUNDERSTORMS
WITH VERY HEAVY RAIN PRODUCING FLOODING OVER SECTIONS OF EDGECOMBE
COUNTY ESPECIALLY IN THE VICINITY OF ROCKY MOUNT AND NEAR PINETOPS
AND MACCLESFIELD. DOPPLER RADAR ESTIMATED AROUND 2 INCHES OF RAIN
HAS FALLEN OVER THIS AREA. EDGECOMBE COUNTY SHERIFF OFFICE ARE IN
THE PROCESS OF CLOSING SEVERAL ROADS IN SOUTHERN EDGECOMBE
COUNTY.
* LOCATIONS THREATENED WITH FLOODING INCLUDE TARBORO...ROCKY MOUNT
AND DORTCHES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD.
AS LITTLE AS 6 INCHES OF WATER CAN CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES
INCLUDING SPORT UTILITY VEHICLES AND PICKUP TRUCKS. TURN AROUND...
DONT DROWN.
FLASH FLOODING IS EXTREMELY DANGEROUS. NUMEROUS ROADS AND LOW LYING
AREAS WILL QUICKLY FLOOD. FLOOD WATERS WILL ALSO THREATEN SOME HOMES
AND BUSINESSES. IF YOU ARE EXPERIENCING FLOODING OR LIVE IN A FLOOD
PRONE AREA 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 3582 7737 3583 7741 3568 7766 3573 7772
3583 7776 3587 7783 3584 7785 3585 7789
3589 7795 3606 7785 3600 7740 3588 7734
$$
WSS2 follow-up statements
579
WGUS72 KRAH 300047
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
847 PM EDT MON AUG 29 2011
NCC065-127-300230-
/O.CON.KRAH.FF.W.0045.000000T0000Z-110830T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-NASH NC-
847 PM EDT MON AUG 29 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR EAST
CENTRAL NASH AND EDGECOMBE COUNTIES...
AT 842 PM EDT...LOCAL LAW ENFORCEMENT REPORTED SEVERAL ROADS OVER
SOUTHERN EDGECOMBE COUNTY REMAINED CLOSED DUE TO HIGH WATER.
SCATTERED SHOWERS WITH ADDITIONAL HEAVY RAIN WILL CROSS EASTERN NASH
AND EDGECOMBE COUNTIES THROUGH 10 PM. AN ADDITIONAL HALF INCH OF
RAIN MAY FALL PRIOR TO 10 PM.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
TARBORO...ROCKY MOUNT AND DORTCHES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
MONDAY EVENING FOR CENTRAL NORTH CAROLINA.
&&
LAT...LON 3582 7737 3583 7741 3568 7766 3573 7772
3583 7776 3587 7783 3584 7785 3585 7789
3589 7795 3606 7785 3600 7740 3588 7734
$$
WSS756
WGUS72 KRAH 300203
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
1003 PM EDT MON AUG 29 2011
NCC065-127-300210-
/O.CAN.KRAH.FF.W.0045.000000T0000Z-110830T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-NASH NC-
1003 PM EDT MON AUG 29 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EAST CENTRAL NASH
AND EDGECOMBE COUNTIES...
AT 10 PM EDT...COUNTY OFFICIALS IN EDGECOMBE COUNTY REPORTED THAT
THE HIGH WATER OVER THE SOUTHERN PART OF THE COUNTY HAS RECEDED AND
ROADS THAT WERE CLOSED EARLIER HAVE BEEN REOPENED TO TRAFFIC. THUS
THE FLASH FLOOD WARNING HAS BEEN CANCELED.
AREAS OF LIGHT TO MODERATE RAINFALL WILL CONTINUE OVER THE NORTHERN
COASTAL PLAIN INTO THE OVERNIGHT HOURS BEFORE DISSIPATING.
HOWEVER...THIS ADDITIONAL RAINFALL SHOULD NOT LEAD TO ADDITIONAL
FLOODING.
LAT...LON 3582 7737 3583 7741 3568 7766 3573 7772
3583 7776 3587 7783 3584 7785 3585 7789
3589 7795 3606 7785 3600 7740 3588 7734
$$
WSSThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:52 PM EDT | Special Weather Statement | RAH | Alamance, Chatham, Durham, Franklin, Granville, Orange and 3 more | 53 min |
| Aug 29, 4:13 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Franklin, Granville, Wake | 62 min |
| Aug 29, 4:35 PM EDT | Special Weather Statement | RAH | Richmond | 55 min |
| Aug 29, 4:42 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Person | 63 min |
| Aug 29, 4:44 PM EDT | Special Weather Statement | RAH | Alamance, Orange | 61 min |
| Aug 29, 4:48 PM EDT | Severe Thunderstorm Warning | RAH | Montgomery, Richmond | 57 min |
| Aug 29, 4:55 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Guilford | 50 min |
| Aug 29, 5:05 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Nash | 55 min |
| Aug 29, 5:14 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Johnston, Wake | 24 min |
| Aug 29, 5:21 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Orange | 39 min |
| Aug 29, 5:37 PM EDT | Special Weather Statement | RAH | Montgomery, Moore | 53 min |
| Aug 29, 6:01 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash | 44 min |
| Aug 29, 6:06 PM EDT | Severe Thunderstorm Warning | RAH | Chatham | 39 min |
| Aug 29, 6:08 PM EDT | Special Weather Statement | RAH | Granville, Vance | 67 min |
| Aug 29, 6:13 PM EDT | Tornado Warning | RAH | Edgecombe, Nash, Wilson | 47 min |
| Aug 29, 6:19 PM EDT | Special Weather Statement | RAH | Anson, Montgomery, Richmond, Stanly | 56 min |
| Aug 29, 6:30 PM EDT | Special Weather Statement | RAH | Wake | 60 min |
| Aug 29, 6:41 PM EDT | Tornado Warning | RAH | Edgecombe | 34 min |
| Aug 29, 6:45 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Harnett, Wake | 45 min |
| Aug 29, 6:47 PM EDT | Special Weather Statement | RAH | Franklin, Nash | 58 min |
| Aug 29, 6:53 PM EDT | Special Weather Statement | RAH | Lee, Moore | 52 min |
| Aug 29, 7:04 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Wake | 41 min |
| Aug 29, 7:15 PM EDT | Areal Flood Advisory | RAH | Anson | 63 min |
| Aug 29, 7:22 PM EDT | Areal Flood Advisory | RAH | Wake | 2 hr |
| Aug 29, 7:25 PM EDT | Special Weather Statement | RAH | Anson, Montgomery, Richmond, Stanly | 50 min |
| Aug 29, 7:29 PM EDT | Special Weather Statement | RAH | Harnett | 61 min |
| Aug 29, 7:41 PM EDT | Areal Flood Advisory | RAH | Franklin, Nash | 2 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.