Alert archive / North Carolina / Flash Flood Warnings in 2011
Flash Flood Warning 44, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Aug 27, 2011, 11:55 AM EDT for 6 counties in North Carolina. It was in force for 8 hr. 4 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 27, 2011, 11:55 AM EDT (15:55 UTC)
- Expired
- Aug 27, 2011, 8:15 PM EDT
- In force
- 8 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Flood severity
- None
Counties Edgecombe County, NC, Halifax County, NC, Johnston County, NC, Nash County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 68 km from the middle of the area, began a volume at 15:54 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 27, 3:56 PM EDT | FLASH FLOOD | Halifax, NC | US HIGHWAY 301 CLOSED BETWEEN MILE MARKERS 164 AND 184 DUE TO FLOODING. TREES AND POWERLINES ALSO DOWN. |
| Aug 27, 4:13 PM EDT | HEAVY RAIN 5.93 | 3 Nne Elroy, NC | STORM TOTAL SINCE YESTERDAY |
| Aug 27, 5:20 PM EDT | FLASH FLOOD | Rocky Mount, NC | NUMEROUS STREETS CLOSED DUE TO FLOODING... INCUDING DAUGHTRIDGE AND VANCE... MIDWAY AND VANCE... GRACE AND MILL... WESTERN AND VYNE... GOLDROCK AND BEAVER POND... AND OLD MILL RD AND WINSTEAD ROAD |
| Aug 27, 6:00 PM EDT | FLASH FLOOD | Rocky Mount, NC | ADDITIONAL STREETS FLOODED AND IMPASSABLE INCLUDE BRANCH AND GREEN...BOONE AND BEAMON...SOUTH HOWELL AND OBERRY...LINDSAY AND RALEIGH ROAD... AND LUPER AND SOUTH GRACE. |
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, 3.9 hours before the alert went out and 149 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
- 58 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 972 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -266 m²/s²
- 0-3 km storm-relative helicity
- -35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
698
WGUS52 KRAH 271555
FFWRAH
NCC065-083-101-127-191-195-280015-
/O.NEW.KRAH.FF.W.0044.110827T1555Z-110828T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1155 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
JOHNSTON COUNTY IN CENTRAL NORTH CAROLINA
WAYNE COUNTY IN CENTRAL NORTH CAROLINA
* UNTIL 815 PM EDT SATURDAY
* AT 1144 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN PRODUCING FLOODING OVER WAYNE... JOHNSTON... NASH...
WILSON... HALIFAX AND EDGECOMBE COUNTIES. DOPPLER RADAR ESTIMATED
THAT THREE TO SIX INCHES OF RAIN HAS FALLEN ALONG AND EAST OF THE
INTERSTATE 95 CORRIDOR SINCE FRIDAY EVENING. SEVERAL ROAD CLOSURES
HAVE ALREADY BEEN REPORTED IN EDGECOMBE COUNTY. RAIN BANDS WILL
CONTINUE TO MOVE INLAND THIS AFTERNOON AS HURRICANE IRENE MOVES
ALONG THE NORTH CAROLINA COAST. AN ADDITIONAL TWO TO FOUR INCHES OF
RAIN WILL BE POSSIBLE THROUGH THIS EVENING.
* LOCATIONS THREATENED WITH FLOODING INCLUDE WILSON...WALNUT CREEK...
TARBORO...SMITHFIELD...SCOTLAND NECK...SARATOGA...ROCKY MOUNT...
ROANOKE RAPIDS...NASHVILLE...MOUNT OLIVE...LITTLETON...HALIFAX...
GOLDSBORO...FREMONT...ELM CITY...DORTCHES...CLAYTON...BENSON AND
BAILEY.
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 3600 7741 3591 7735 3583 7735 3580 7747
3557 7782 3517 7784 3518 7816 3529 7831
3526 7849 3552 7870 3571 7846 3579 7825
3630 7794 3651 7790 3648 7764 3641 7755
3632 7757 3633 7745 3621 7739 3611 7723
$$
223 follow-up statements
466
WGUS72 KRAH 271816
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
216 PM EDT SAT AUG 27 2011
NCC065-083-101-127-191-195-280015-
/O.CON.KRAH.FF.W.0044.000000T0000Z-110828T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-JOHNSTON NC-WAYNE NC-
216 PM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
WAYNE...JOHNSTON...NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 206 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAIN ASSOCIATED WITH THE WESTERN RAIN BANDS OF
HURRICANE IRENE OVER WAYNE...JOHNSTON...NASH...WILSON...HALIFAX AND
EDGECOMBE COUNTIES. DOPPLER RADAR ESTIMATED THAT 4 TO SIX INCHES OF
RAIN HAS FALLEN ALONG THE INTERSTATE 95 CORRIDOR. IN
ADDITIONS...PORTIONS OF EASTERN EDGECOMBE AND HALIFAX COUNTIES HAVE
LIKELY RECEIVED AS MUCH AS SEVEN TO EIGHT INCHES OF RAIN. THESE
RAIN BANDS WILL COME TO AN END FROM THE SOUTHWEST THROUGH THE
EVENING HOURS.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
TARBORO...SCOTLAND NECK...ROCKY MOUNT...ROANOKE RAPIDS...NASHVILLE...
LITTLETON...HALIFAX AND DORTCHES.
AN ADDITIONAL INCH OF RAIN IS POSSIBLE OVER JOHNSTON...WAYNE AND
WILSON COUNTIES...WITH TWO TO THREE INCHES STILL POSSIBLE IN
EDGECOMBE...HALIFAX AND NASH COUNTIES.
SEVERAL ROAD CLOSURES HAVE BEEN REPORTED IN EDGECOMBE COUNTY. THERE
HAVE ALSO BEEN SCATTERED REPORTS OF FLOODING IN HALIFAX COUNTY.
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 3600 7741 3591 7735 3583 7735 3580 7747
3557 7782 3517 7784 3518 7816 3529 7831
3526 7849 3552 7870 3571 7846 3579 7825
3630 7794 3651 7790 3648 7764 3641 7755
3632 7757 3633 7745 3621 7739 3611 7723
$$
SMITH558
WGUS72 KRAH 272048
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
448 PM EDT SAT AUG 27 2011
NCC065-083-101-127-191-195-280015-
/O.CON.KRAH.FF.W.0044.000000T0000Z-110828T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-JOHNSTON NC-WAYNE NC-
448 PM EDT SAT AUG 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
WAYNE...JOHNSTON...NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 440 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE VERY HEAVY RAIN FROM HURRICANE IRENE MOVING SOUTH THROUGH
THE NORTHERN COASTAL PLAIN. AS MUCH AS FIVE TO NINE INCHES OF RAIN
HAS FALLEN SINCE FRIDAY NIGHT...WITH THE HIGHEST TOTALS IN HALIFAX
AND EDGECOMBE COUNTIES. THERE HAVE BEEN NUMEROUS REPORTS OF ROAD
CLOSURES DUE TO DOWNED TREES AND FLOODING ACROSS HALIFAX COUNTY.
MOTORISTS HAVE BEEN URGED TO STAY OFF THE ROADWAYS UNTIL CONDITIONS
IMPROVE.
LOCATIONS THREATENED BY FLOODING INCLUDE BUT ARE NOT LIMITED TO
TARBORO...SCOTLAND NECK...ROCKY MOUNT...ROANOKE RAPIDS...NASHVILLE...
LITTLETON...HALIFAX AND DORTCHES
RAINFALL RATES WILL SLOWLY DECREASE THROUGH THE EVENING HOURS. AN
ADDITIONAL ONE TO TWO INCHES OF RAIN IS STILL POSSIBLE THIS EVENING.
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 3600 7741 3591 7735 3583 7735 3580 7747
3557 7782 3517 7784 3518 7816 3529 7831
3526 7849 3552 7870 3571 7846 3579 7825
3630 7794 3651 7790 3648 7764 3641 7755
3632 7757 3633 7745 3621 7739 3611 7723
$$
22951
WGUS72 KRAH 280011
FFSRAH
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
811 PM EDT SAT AUG 27 2011
NCC065-083-101-127-191-195-280016-
/O.EXP.KRAH.FF.W.0044.000000T0000Z-110828T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDGECOMBE NC-HALIFAX NC-WILSON NC-NASH NC-JOHNSTON NC-WAYNE NC-
811 PM EDT SAT AUG 27 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 815 PM EDT FOR WAYNE...
JOHNSTON...NASH...WILSON...HALIFAX AND EDGECOMBE COUNTIES...
AT 803 PM EDT...THE FINAL RAIN BAND FROM HURRICANE IRENE IS MOVING
NORTHEAST THROUGH THE NORTHERN COASTAL PLAIN. HOWEVER...RAINFALL
RATES HAVE DECREASED OVER THE PAST HOUR...AND THE WARNING WILL BE
ALLOWED TO EXPIRE.
DUE TO THE HEAVY RAIN OVER THE PAST 24 HOURS...THERE HAVE BEEN
NUMEROUS REPORTS OF ROAD CLOSURES DUE TO DOWNED TREES AND FLOODING
ACROSS HALIFAX COUNTY AND EDGECOMBE COUNTIES. MOTORISTS HAVE BEEN
URGED TO STAY OFF THE ROADWAYS UNTIL CONDITIONS IMPROVE.
LAT...LON 3600 7741 3591 7735 3583 7735 3580 7747
3557 7782 3517 7784 3518 7816 3529 7831
3526 7849 3552 7870 3571 7846 3579 7825
3630 7794 3651 7790 3648 7764 3641 7755
3632 7757 3633 7745 3621 7739 3611 7723
$$
22The 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, 3:16 AM EDT | Flash Flood Warning | RAH | Edgecombe, Halifax, Nash, Wilson | 6 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.