Alert archive / North Carolina / Flash Flood Warnings in 2016

Flash Flood Warning 43, NWS Raleigh, NC

September 29, 20165 counties in North Carolina

NWS Raleigh, NC issued this flash flood warning at Sep 29, 2016, 4:45 AM EDT for 5 counties in North Carolina. It was in force for 4 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: Sep 29, 2016, 4:45 AM EDT (08:45 UTC)
Expired: Sep 29, 2016, 8:45 AM EDT
In force: 4 hr
Issued by: NWS Raleigh, NC
Area: Storm-based polygon
Flood severity: None

Counties Harnett County, NC, Hoke County, NC, Moore County, NC, Richmond County, NC, Scotland County, NC

The radar

The Raleigh/Durham radar (KRAX), 113 km from the middle of the area, began a volume at 08:46 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
Sep 29, 5:30 AM EDT	FLASH FLOOD	7 Ese Vass, NC	RIVERVIEW ACRES NEIGHBORHOOD FLOODING FROM LITTLE RIVER COMING OUT OF ITS BANKS. WATER IN YARDS AND APPROACHING MULTIPLE STRUCTURES ON RIVERVIEW DRIVE AND CREEK BEND DRIVE. MAJOR INFRASTRUCTURE DAMAGE ALL ACROSS THE AREA WITH SOME ROADS WASHED OUT.
Sep 29, 5:30 AM EDT	FLASH FLOOD	8 Ese Vass, NC	NC HIGHWAY 690 CLOSED DUE TO FLOODING FROM MCGILL CROSS STREET TO THE CUMBERLAND COUNTY LINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.8 hours before the alert went out and 106 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1262 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 849 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 252 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 7.6

Open this sounding in Storm Lab

The text

As transmitted.

648 
WGUS52 KRAH 290845
FFWRAH
NCC085-093-125-153-165-291245-
/O.NEW.KRAH.FF.W.0043.160929T0845Z-160929T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
445 AM EDT THU SEP 29 2016

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN HARNETT COUNTY IN CENTRAL NORTH CAROLINA...
  MOORE COUNTY IN CENTRAL NORTH CAROLINA...
  HOKE COUNTY IN CENTRAL NORTH CAROLINA...
  NORTHERN SCOTLAND COUNTY IN CENTRAL NORTH CAROLINA...
  RICHMOND COUNTY IN CENTRAL NORTH CAROLINA...

* UNTIL 845 AM EDT
  
* AT 444 AM EDT...COUNTY OFFICIALS HAVE REPORTED NUMEROUS ROAD
  CLOSURES THROUGHOUT THE WARNED AREA. FLASH FLOODING WILL CONTINUE.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SOUTHERN PINES...ROCKINGHAM...RAEFORD...CARTHAGE...PINEHURST...
  HAMLET...ABERDEEN...HOFFMAN...WHISPERING PINES AND PINEBLUFF.


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...DON'T DROWN.

&&

LAT...LON 3481 7992 3490 7985 3498 7987 3501 7990
      3504 7988 3508 7991 3518 7973 3516 7962
      3522 7966 3552 7936 3550 7934 3547 7936
      3543 7933 3540 7929 3535 7927 3531 7919
      3540 7909 3491 7917 3481 7976

$$

26

1 follow-up statement

207 
WGUS72 KRAH 291113
FFSRAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RALEIGH NC
713 AM EDT THU SEP 29 2016

NCC085-093-125-153-165-291245-
/O.CON.KRAH.FF.W.0043.000000T0000Z-160929T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARNETT NC-MOORE NC-HOKE NC-SCOTLAND NC-RICHMOND NC-
713 AM EDT THU SEP 29 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR
SOUTHWESTERN HARNETT...MOORE...HOKE...NORTHERN SCOTLAND AND RICHMOND
COUNTIES...

AT 710 AM EDT...HEAVY RAIN HAS DIMINISHED AND MOVED EAST OF THE AREA
BUT FLOODING WILL CONTINUE THROUGH MID MORNING. A NUMBER OF ROADS
HAVE BEEN CLOSED AND MORNING COMMUTERS SHOULD BE ALERT FOR WATER ON
THE ROAD.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SOUTHERN PINES...ROCKINGHAM...RAEFORD...CARTHAGE...PINEHURST...
HAMLET...ABERDEEN...HOFFMAN...WHISPERING PINES AND PINEBLUFF.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

HEAVIER RAIN HAS DIMINISHED BUT FLOODING WILL CONTINUE ON CREEKS AND
STREAMS...ROADS...LOW LYING AND POOR DRAINAGE AREAS THROUGH MID
MORNING. 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...DON'T DROWN.

&&

LAT...LON 3481 7992 3490 7985 3498 7987 3501 7990
      3504 7988 3508 7991 3518 7973 3516 7962
      3522 7966 3552 7936 3550 7934 3547 7936
      3543 7933 3540 7929 3535 7927 3531 7919
      3540 7909 3491 7917 3481 7976

$$

13

The office that day

Everything else NWS Raleigh, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 28, 8:02 PM EDT	Special Weather Statement	RAH	Cumberland	58 min
Sep 28, 8:10 PM EDT	Special Weather Statement	RAH	Montgomery, Stanly	65 min
Sep 28, 8:15 PM EDT	Flash Flood Warning	RAH	Alamance, Orange	3 hr
Sep 28, 8:16 PM EDT	Special Weather Statement	RAH	Alamance, Randolph	59 min
Sep 28, 8:28 PM EDT	Flash Flood Warning	RAH	Guilford	3 hr
Sep 28, 9:11 PM EDT	Areal Flood Advisory	RAH	Montgomery, Stanly	3 hr
Sep 28, 9:30 PM EDT	Special Weather Statement	RAH	Cumberland	60 min
Sep 28, 10:24 PM EDT	Flash Flood Warning	RAH	Chatham, Montgomery, Moore, Randolph	3 hr
Sep 28, 11:27 PM EDT	Severe Thunderstorm Warning	RAH	Chatham, Harnett, Lee, Moore	48 min
Sep 28, 11:29 PM EDT	Special Weather Statement	RAH	Durham, Granville, Wake	46 min
Sep 29, 12:56 AM EDT	Areal Flood Advisory	RAH	Anson, Harnett, Hoke, Lee, Moore, Richmond and 1 more	3 hr
Sep 29, 1:01 AM EDT	River Flood Warning	RAH	Cumberland	4 days
Sep 29, 1:47 AM EDT	Flash Flood Warning	RAH	Anson, Harnett, Hoke, Lee, Moore, Richmond and 1 more	3 hr
Sep 29, 4:10 AM EDT	Areal Flood Advisory	RAH	Cumberland, Hoke, Sampson, Scotland	3 hr
Sep 29, 5:00 AM EDT	Flash Flood Warning Emergency	RAH	Cumberland, Harnett, Hoke	5 hr
Sep 29, 7:33 AM EDT	Areal Flood Advisory	RAH	Sampson	3 hr
Sep 29, 8:26 AM EDT	River Flood Warning	RAH	Chatham	21 hr
Sep 29, 8:32 AM EDT	Areal Flood Advisory	RAH	Edgecombe, Halifax, Nash, Wayne, Wilson	3 hr
Sep 29, 8:38 AM EDT	Areal Flood Warning	RAH	Harnett, Hoke, Moore, Richmond, Scotland	6 hr
Sep 29, 9:20 AM EDT	Flash Flood Warning	RAH	Wayne	3 hr
Sep 29, 10:01 AM EDT	Flash Flood Watch	RAH	Cumberland, Edgecombe, Harnett, Hoke, Johnston, Lee and 6 more	12 hr
Sep 29, 10:17 AM EDT	Areal Flood Warning	RAH	Cumberland, Harnett, Hoke, Sampson	6 hr
Sep 29, 10:40 AM EDT	Flash Flood Warning	RAH	Cumberland, Harnett	30 hr
Sep 29, 11:59 AM EDT	Flash Flood Warning	RAH	Cumberland, Hoke	30 hr
Sep 29, 12:14 PM EDT	Areal Flood Advisory	RAH	Wayne	3 hr
Sep 29, 1:21 PM EDT	Flash Flood Warning	RAH	Cumberland, Sampson	6 hr
Sep 29, 4:14 PM EDT	Areal Flood Warning	RAH	Cumberland, Harnett, Hoke, Sampson	6 hr
Sep 29, 6:48 PM EDT	Special Weather Statement	RAH	Anson	57 min
Sep 29, 7:18 PM EDT	Flash Flood Warning	RAH	Cumberland, Sampson	24 hr

Nearby

Flash Flood Warnings in North Carolina, 2016 Every flash flood warning in 2016

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.