Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 41, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 27, 2011, 3:16 AM EDT for 4 counties in North Carolina. It was in force for 6 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
- Aug 27, 2011, 3:16 AM EDT (07:16 UTC)
- Expired
- Aug 27, 2011, 9:15 AM EDT
- In force
- 6 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Edgecombe County, NC, Halifax County, NC, Nash County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 90 km from the middle of the area, began a volume at 07:17 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
Newport, NC (KMHX), launched 00:00Z, 7.3 hours before the alert went out and 157 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
- 148 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 361 m²/s²
- 0-3 km storm-relative helicity
- 415 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
666
WGUS52 KRAH 270716
FFWRAH
NCC065-083-127-195-271315-
/O.NEW.KRAH.FF.W.0041.110827T0716Z-110827T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
316 AM EDT SAT AUG 27 2011
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EDGECOMBE COUNTY IN CENTRAL NORTH CAROLINA
HALIFAX COUNTY IN CENTRAL NORTH CAROLINA
WILSON COUNTY IN CENTRAL NORTH CAROLINA
NASH COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 915 AM EDT
* AT 307 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM HURRICANE IRENE PERSISTING OVER THE NORTHERN
COASTAL PLAIN. DOPPLER RADAR ESTIMATED TOTALS APPROACHING THREE
INCHES IN EDGECOMBE COUNTY FROM TARBORO EAST TOWARD THE MARTIN
COUNTY BORDER. RADAR SHOWED NUMEROUS HEAVY SHOWERS MOVING FROM
EAST TO WEST...HEADED TOWARD THE NORTHERN COASTAL PLAIN FROM THE
NORTH CAROLINA COAST.
* LOCATIONS THREATENED WITH FLOODING INCLUDE WILSON...TARBORO...
SCOTLAND NECK...ROCKY MOUNT...ROANOKE RAPIDS...NASHVILLE...
HALIFAX...AND SARATOGA.
AN ADDITIONAL ONE TO THREE INCHES OF RAIN IS POSSIBLE THIS SATURDAY
MORNING BETWEEN 315 AM AND 915 AM. THE HALIFAX COUNTY SHERIFF NOTED
A PUBLIC REPORT OF STANDING WATER IN ENFIELD...AROUND 3 AM...DUE TO
HEAVY RAIN EARLY THIS MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS
RISING. DO NOT DRIVE WHERE WATER COVERS THE ROAD. THE DEPTH OF THE
WATER MAY BE TOO DEEP TO PASS SAFELY...AND THE ROAD MAY NOT BE
INTACT UNDERNEATH.
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 3608 7731 3600 7740 3591 7734 3583 7735
3580 7747 3557 7781 3560 7812 3571 7816
3575 7824 3581 7826 3630 7794 3651 7790
3648 7764 3641 7754 3632 7757 3633 7744
3624 7737 3621 7738 3616 7727 3611 7722
$$
DJF4 follow-up statements
084
WGUS72 KRAH 270802
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
402 AM EDT SAT AUG 27 2011
NCC065-083-127-195-271315-
/O.CON.KRAH.FF.W.0041.000000T0000Z-110827T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-
402 AM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 353 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AREAS OF VERY HEAVY RAIN OVER PARTS OF NASH...WILSON...
HALIFAX AND EDGECOMBE COUNTIES. DOPPLER RADAR ESTIMATED THAT AROUND
THREE INCHES OF RAIN LIKELY HAD FALLEN DURING THE NIGHT ACROSS
EASTERN PORTIONS OF EDGECOMBE AND WILSON COUNTIES. HEAVY SHOWERS
CONTINUED TO MOVE FROM EAST TO WEST FROM NORTHEAST NORTH CAROLINA
TOWARD THE INTERSTATE 95 CORRIDOR FROM WILSON NORTHWARD.
AN ADDITIONAL ONE TO THREE INCHES OF RAIN REMAINS LIKELY BETWEEN 4
AM AND 915 AM. THIS WOULD RESULT IN CONTINUED RISK FOR FLASH
FLOODING.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
SCOTLAND NECK...ROANOKE RAPIDS...LITTLETON...SARATOGA AND HALIFAX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS. ROADS IN URBAN AREAS AND TOWNS COULD
EXPERIENCE RAPID FLOODING AS THE RAIN CONTINUES. DO NOT DRIVE WHERE
WATER COVERS THE ROAD...AS IT MAY BE TOO DEEP TO DRIVE THROUGH
SAFELY.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3608 7731 3600 7740 3591 7734 3583 7735
3580 7747 3557 7781 3560 7812 3571 7816
3575 7824 3581 7826 3630 7794 3651 7790
3648 7764 3641 7754 3632 7757 3633 7744
3624 7737 3621 7738 3616 7727 3611 7722
$$
DJF109
WGUS72 KRAH 270911
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
511 AM EDT SAT AUG 27 2011
NCC065-083-127-195-271315-
/O.CON.KRAH.FF.W.0041.000000T0000Z-110827T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-
511 AM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 503 AM EDT...THE HALIFAX COUNTY SHERIFF REPORTED MINOR FLOODING
IN ENFIELD...AT GLENVIEW AND NORTH CHURCH STREET. NATIONAL WEATHER
SERVICE DOPPLER RADAR CONTINUED TO INDICATE VERY HEAVY RAIN MOVING
ACROSS PARTS OF NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES.
DOPPLER RADAR ESTIMATES NOTED THAT BETWEEN THREE AND FOUR INCHES OF
RAIN LIKELY HAD OCCURRED IN PARTS OF EDGECOMBE COUNTY FROM PINETOPS
AND TARBORO EAST.
AN ADDITIONAL ONE TO POSSIBLY THREE INCHES IS POSSIBLE IN SOME
LOCATIONS...MOST LIKELY OVER PARTS OF HALIFAX AND EDGECOMBE
COUNTIES. SUCH RAIN CONTINUES THE FLOOD THREAT TO PARTS OF THE
NORTHERN COASTAL PLAIN. LOCATIONS THREATENED BY FLOODING INCLUDE BUT
ARE NOT LIMITED TO SCOTLAND NECK...ROANOKE RAPIDS...LITTLETON
TARBORO...AND HALIFAX.
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. ROADS
AND INTERSECTIONS IN THE AREA COULD 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 3608 7731 3600 7740 3591 7734 3583 7735
3580 7747 3557 7781 3560 7812 3571 7816
3575 7824 3581 7826 3630 7794 3651 7790
3648 7764 3641 7754 3632 7757 3633 7744
3624 7737 3621 7738 3616 7727 3611 7722
$$
DJF099
WGUS72 KRAH 271053
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
653 AM EDT SAT AUG 27 2011
NCC065-083-127-195-271315-
/O.CON.KRAH.FF.W.0041.000000T0000Z-110827T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-
653 AM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 645 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE ADDITIONAL HEAVY RAIN...FALLING OVER GROUND BECOMING
SATURATED...IN PARTS OF NASH...WILSON...HALIFAX AND EDGECOMBE
COUNTIES. DOPPLER RADAR ESTIMATED NUMEROUS AREAS OF RAINFALL TOTALS
APPROACHING FOUR INCHES IN HALIFAX AND EDGECOMBE COUNTIES. AROUND
THREE INCHES OF RAIN WERE LIKELY BY DOPPLER RADAR ESTIMATES OVER
PARTS OF NASH AND MUCH OF WILSON COUNTIES.
WHILE NO REPORTS OF FLOODING HAD BEEN RECEIVED AS OF 645 AM...A
RENEWED BAND OF HEAVY RAIN WAS MOVING BACK INTO THE NORTHERN COASTAL
PLAIN FROM THE EAST. THIS SHOULD RESULT IN WIDESPREAD...ADDITIONAL
RAINFALL TOTALS OF ONE TO TWO INCHES BETWEEN 645 AM AND 830 AM.
SUCH ADDITIONAL RAINFALL WILL ONLY FURTHER THE POTENTIAL FOR
FLOODING.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
SCOTLAND NECK...ROANOKE RAPIDS...LITTLETON...TARBORO...SARATOGA...
AND HALIFAX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
PLEASE REPORT FLOODING TO THE NATIONAL WEATHER SERVICE BY CALLING...
1...8 7 7...6 3 3...6 7 7 2 OR NOTIFY YOUR LOCAL LAW ENFORCEMENT
AGENCY.
&&
LAT...LON 3608 7731 3600 7740 3591 7734 3583 7735
3580 7747 3557 7781 3560 7812 3571 7816
3575 7824 3581 7826 3630 7794 3651 7790
3648 7764 3641 7754 3632 7757 3633 7744
3624 7737 3621 7738 3616 7727 3611 7722
$$
DJF722
WGUS72 KRAH 271151
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
751 AM EDT SAT AUG 27 2011
NCC065-083-127-195-271315-
/O.CON.KRAH.FF.W.0041.000000T0000Z-110827T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-
751 AM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 AM EDT FOR
NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 746 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE HEAVY RAIN FALLING OVER SATURATED GROUND IN PARTS OF
NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES. DOPPLER RADAR
ESTIMATED THAT THREE TO AS MUCH AS FIVE INCHES OF RAIN HAD OCCURRED
OVERNIGHT. A PERSISTENT BAND OF HEAVY RAIN REMAINED OVER THE
AREA...INCLUDING THE INTERSTATE 95 CORRIDOR. THIS BAND OF HEAVY RAIN
COULD PUSH RAINFALL TOTALS TO AS MUCH AS SIX OR SEVEN INCHES...
ESPECIALLY NEAR PINETOPS...TARBORO...AND SCOTLAND NECK.
AN ADDITIONAL ONE TO TWO INCHES OF RAIN ARE STILL POSSIBLE BETWEEN 8
AM AND 915 AM. LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT
LIMITED TO SCOTLAND NECK...ROANOKE RAPIDS...LITTLETON...TARBORO...
PINETOPS...AND HALIFAX.
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.
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 3608 7731 3600 7740 3591 7734 3583 7735
3580 7747 3557 7781 3560 7812 3571 7816
3575 7824 3581 7826 3630 7794 3651 7790
3648 7764 3641 7754 3632 7757 3633 7744
3624 7737 3621 7738 3616 7727 3611 7722
$$
DJFThe office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:23 AM EDT | Special Weather Statement | RAH | Edgecombe | 37 min |
| Aug 27, 2:26 AM EDT | Areal Flood Advisory | RAH | Edgecombe, Halifax, Johnston, Nash, Sampson, Wayne and 1 more | 4 hr |
| Aug 27, 4:18 AM EDT | Special Weather Statement | RAH | Edgecombe | 42 min |
| Aug 27, 6:01 AM EDT | Flash Flood Warning | RAH | Johnston, Sampson, Wayne | 6 hr |
| Aug 27, 7:26 AM EDT | Areal Flood Advisory | RAH | Franklin, Vance, Wake, Warren | 5 hr |
| Aug 27, 8:42 AM EDT | Flash Flood Warning | RAH | Edgecombe, Halifax, Nash, Wilson | 3 hr |
| Aug 27, 11:55 AM EDT | Flash Flood Warning | RAH | Edgecombe, Halifax, Johnston, Nash, Wayne, Wilson | 8 hr |
| Aug 27, 5:16 PM EDT | River Flood Warning | RAH | Edgecombe | 4 days |
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.