Alert archive / North Carolina / Flash Flood Watches in 2021
Flash Flood Watch 4, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood watch at Jul 7, 2021, 3:01 PM EDT for 31 counties in North Carolina. It took effect at Jul 8, 2021, 6:00 AM EDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 7, 2021, 3:01 PM EDT (19:01 UTC)
- In effect from
- Jul 8, 2021, 6:00 AM EDT
- Expired
- Jul 8, 2021, 6:00 PM EDT
- In force
- 12 hr
- Issued by
- NWS Raleigh, NC
- Flood severity
- None
All 31 counties
Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Durham County, NC, Edgecombe County, NC, Forsyth County, NC, Franklin County, NC, Granville County, NC, Guilford County, NC, Halifax County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 45 km from the middle of the area, began a volume at 19:04 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, 7.0 hours before the alert went out and 93 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1637 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
765 WGUS62 KRAH 071901 FFARAH URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Raleigh NC 301 PM EDT Wed Jul 7 2021 NCZ007>011-021>028-038>043-073>078-083>086-088-089-080330- /O.NEW.KRAH.FF.A.0004.210708T1000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- Including the cities of Princeville, Selma, Carthage, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Asheboro, Rockingham, Burlington, Pittsboro, Enfield, Sanford, Thomasville, Smithfield, Henderson, Ellerbe, Cary, Dunn, Roanoke Rapids, Wadesboro, Albemarle, Nashville, Raeford, Roxboro, Clayton, Hope Mills, Aberdeen, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Southern Pines, Archdale, Carrboro, Roseboro, Kittrell, Lexington, Polkton, Scotland Neck, Oxford, Wagram, High Point, Raleigh, Tarboro, Winston-Salem, Clinton, Fayetteville, Greensboro, Laurinburg, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Camp Mackall, Spring Lake, Warrenton, Troy, Durham, Norlina, Knightdale, Graham, and Pinehurst 301 PM EDT Wed Jul 7 2021 ...FLASH FLOOD WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... The National Weather Service in Raleigh has issued a * Flash Flood Watch for a portion of central North Carolina, including the following areas, Alamance, Anson, Chatham, Cumberland, Davidson, Durham, Edgecombe, Forsyth, Franklin, Granville, Guilford, Halifax, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Nash, Orange, Person, Randolph, Richmond, Sampson, Scotland, Stanly, Vance, Wake, Warren, Wayne and Wilson. * From Thursday morning through Thursday afternoon. * Showers and thunderstorms will develop across the area on Thursday as the remnants from Tropical Storm Elsa move into North Carolina. Periods of locally heavy rainfall will be possible during the daytime hours on Thursday, with the axis of heaviest rainfall located along US-1. Rainfall amounts across the region will range from 1-3 inches, with locally higher amounts expected where thunderstorms persist. * Areas which receive excessive rainfall will be susceptible to flash flooding. Low-lying, poor drainage, and normally flood prone areas could become flooded. Roads in these areas could become flooded and impassable. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Leins
5 follow-up statements
892 WGUS62 KRAH 080131 FFARAH Flood Watch National Weather Service Raleigh NC 931 PM EDT Wed Jul 7 2021 NCZ007>011-021>028-038>043-073>078-083>086-088-089-081015- /O.CON.KRAH.FF.A.0004.210708T1000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- Including the cities of Princeville, Selma, Carthage, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Asheboro, Rockingham, Burlington, Pittsboro, Enfield, Sanford, Thomasville, Smithfield, Henderson, Ellerbe, Cary, Dunn, Roanoke Rapids, Wadesboro, Albemarle, Nashville, Raeford, Roxboro, Clayton, Hope Mills, Aberdeen, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Southern Pines, Archdale, Carrboro, Roseboro, Kittrell, Lexington, Polkton, Scotland Neck, Oxford, Wagram, High Point, Raleigh, Tarboro, Winston-Salem, Clinton, Fayetteville, Greensboro, Laurinburg, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Camp Mackall, Spring Lake, Warrenton, Troy, Durham, Norlina, Knightdale, Graham, and Pinehurst 931 PM EDT Wed Jul 7 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 6 AM EDT THURSDAY THROUGH THURSDAY AFTERNOON... The Flash Flood Watch continues for * A portion of central North Carolina, including the following areas, Alamance, Anson, Chatham, Cumberland, Davidson, Durham, Edgecombe, Forsyth, Franklin, Granville, Guilford, Halifax, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Nash, Orange, Person, Randolph, Richmond, Sampson, Scotland, Stanly, Vance, Wake, Warren, Wayne and Wilson. * From 6 AM EDT Thursday through Thursday afternoon. * Heavy rain showers and thunderstorms will develop across the area on Thursday as the remnants from Tropical Storm Elsa move into North Carolina. Periods of locally heavy rainfall will be possible during the daytime hours on Thursday, with the axis of heaviest rainfall located along US-1. Rainfall amounts across the region will range from 1-3 inches, with locally higher amounts expected where thunderstorms persist. * Areas which receive excessive rainfall will be susceptible to flash flooding. Low-lying, poor drainage, and normally flood prone areas could become flooded. Roads in these areas could become flooded and impassable. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ CBL
317 WGUS62 KRAH 081009 FFARAH Flood Watch National Weather Service Raleigh NC 609 AM EDT Thu Jul 8 2021 NCZ007>011-021>028-038>043-073>078-083>086-088-089-082200- /O.CON.KRAH.FF.A.0004.000000T0000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- Including the cities of Princeville, Selma, Carthage, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Asheboro, Rockingham, Burlington, Pittsboro, Enfield, Sanford, Thomasville, Smithfield, Henderson, Ellerbe, Cary, Dunn, Roanoke Rapids, Wadesboro, Albemarle, Nashville, Raeford, Roxboro, Clayton, Hope Mills, Aberdeen, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Southern Pines, Archdale, Carrboro, Roseboro, Kittrell, Lexington, Polkton, Scotland Neck, Oxford, Wagram, High Point, Raleigh, Tarboro, Winston-Salem, Clinton, Fayetteville, Greensboro, Laurinburg, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Camp Mackall, Spring Lake, Warrenton, Troy, Durham, Norlina, Knightdale, Graham, and Pinehurst 609 AM EDT Thu Jul 8 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... The Flash Flood Watch continues for * A portion of central North Carolina, including the following areas, Alamance, Anson, Chatham, Cumberland, Davidson, Durham, Edgecombe, Forsyth, Franklin, Granville, Guilford, Halifax, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Nash, Orange, Person, Randolph, Richmond, Sampson, Scotland, Stanly, Vance, Wake, Warren, Wayne and Wilson. * Until 6 PM EDT this evening. * Heavy rain showers and thunderstorms will develop across the area on Thursday as the remnants from Tropical Storm Elsa move into North Carolina. Periods of locally heavy rainfall will be possible during the daytime hours on Thursday, with the axis of heaviest rainfall located along US-1. Rainfall amounts across the region will range from 1-3 inches, with locally higher amounts expected where thunderstorms persist. * Areas which receive excessive rainfall will be susceptible to flash flooding. Low-lying, poor drainage, and normally flood prone areas could become flooded. Roads in these areas could become flooded and impassable. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ 10
335 WGUS62 KRAH 081458 FFARAH Flood Watch National Weather Service Raleigh NC 1058 AM EDT Thu Jul 8 2021 NCZ007>011-021>028-038>043-073>078-083>086-088-089-082200- /O.CON.KRAH.FF.A.0004.000000T0000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- Including the cities of Princeville, Selma, Carthage, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Asheboro, Rockingham, Burlington, Pittsboro, Enfield, Sanford, Thomasville, Smithfield, Henderson, Ellerbe, Cary, Dunn, Roanoke Rapids, Wadesboro, Albemarle, Nashville, Raeford, Roxboro, Clayton, Hope Mills, Aberdeen, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Southern Pines, Archdale, Carrboro, Roseboro, Kittrell, Lexington, Polkton, Scotland Neck, Oxford, Wagram, High Point, Raleigh, Tarboro, Winston-Salem, Clinton, Fayetteville, Greensboro, Laurinburg, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Camp Mackall, Spring Lake, Warrenton, Troy, Durham, Norlina, Knightdale, Graham, and Pinehurst 1058 AM EDT Thu Jul 8 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... The Flash Flood Watch continues for * A portion of central North Carolina, including the following areas, Alamance, Anson, Chatham, Cumberland, Davidson, Durham, Edgecombe, Forsyth, Franklin, Granville, Guilford, Halifax, Harnett, Hoke, Johnston, Lee, Montgomery, Moore, Nash, Orange, Person, Randolph, Richmond, Sampson, Scotland, Stanly, Vance, Wake, Warren, Wayne and Wilson. * Until 6 PM EDT this evening. * Showers and isolated thunderstorms will continue as Tropical Storm Elsa moves through the area. Periods of locally heavy rainfall will be possible through late afternoon, with the axis of heaviest rainfall located along US-1. Storm total rainfall amounts across the region will range from 2-4 inches, with locally higher amounts expected where thunderstorms persist. * Areas which receive excessive rainfall will be susceptible to flash flooding. Low-lying, poor drainage, and normally flood prone areas could become flooded. Roads in these areas could become flooded and impassable. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Leins
249 WGUS62 KRAH 081803 FFARAH Flood Watch National Weather Service Raleigh NC 203 PM EDT Thu Jul 8 2021 NCZ021-022-038-039-073>075-083>086-088-089-081915- /O.CAN.KRAH.FF.A.0004.000000T0000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Forsyth-Guilford-Davidson-Randolph-Stanly-Montgomery-Moore-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- Including the cities of Carthage, Albemarle, Asheboro, Rockingham, Polkton, Thomasville, Southern Pines, Wagram, Laurinburg, Raeford, Ellerbe, Archdale, Lexington, Winston-Salem, Roseboro, High Point, Hope Mills, Fayetteville, Greensboro, Clinton, Camp Mackall, Spring Lake, Wadesboro, Troy, Aberdeen, and Pinehurst 203 PM EDT Thu Jul 8 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of central North Carolina, including the following areas, Anson, Cumberland, Davidson, Forsyth, Guilford, Hoke, Montgomery, Moore, Randolph, Richmond, Sampson, Scotland and Stanly has been cancelled. The potential for heavy rainfall associated with Tropical Storm Elsa has shifted east and the Flood Watch has been cancelled. $$ NCZ007>011-023>028-040>043-076>078-082200- /O.CON.KRAH.FF.A.0004.000000T0000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Alamance-Orange-Durham- Franklin-Nash-Edgecombe-Chatham-Wake-Johnston-Wilson-Lee-Harnett- Wayne- Including the cities of Princeville, Selma, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Burlington, Pittsboro, Enfield, Sanford, Smithfield, Henderson, Cary, Dunn, Roanoke Rapids, Nashville, Roxboro, Clayton, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Carrboro, Kittrell, Scotland Neck, Oxford, Raleigh, Tarboro, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Warrenton, Durham, Norlina, Knightdale, and Graham 203 PM EDT Thu Jul 8 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 PM EDT THIS EVENING... The Flash Flood Watch continues for * A portion of central North Carolina, including the following areas, Alamance, Chatham, Durham, Edgecombe, Franklin, Granville, Halifax, Harnett, Johnston, Lee, Nash, Orange, Person, Vance, Wake, Warren, Wayne and Wilson. * Until 6 PM EDT this evening. * Showers and isolated thunderstorms will continue through late afternoon as Tropical Storm Elsa moves through the area. Periods of locally heavy rainfall will be possible, with an additional 1 to 2 inches of rain expected from the Triangle northeastward to the NC/VA state line. * Areas which receive excessive rainfall will be susceptible to flash flooding. Low-lying, poor drainage, and normally flood prone areas could become flooded. Roads in these areas could become flooded and impassable. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Leins
571 WGUS62 KRAH 082145 FFARAH Flood Watch National Weather Service Raleigh NC 545 PM EDT Thu Jul 8 2021 NCZ007>011-023>028-040>043-076>078-082245- /O.EXP.KRAH.FF.A.0004.000000T0000Z-210708T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Person-Granville-Vance-Warren-Halifax-Alamance-Orange-Durham- Franklin-Nash-Edgecombe-Chatham-Wake-Johnston-Wilson-Lee-Harnett- Wayne- Including the cities of Princeville, Selma, Apex, Goldsboro, Spring Hope, Wilson, Angier, Hillsborough, Burlington, Pittsboro, Enfield, Sanford, Smithfield, Henderson, Cary, Dunn, Roanoke Rapids, Nashville, Roxboro, Clayton, Franklinton, Mebane, Lillington, Louisburg, Creedmoor, Siler City, Carrboro, Kittrell, Scotland Neck, Oxford, Raleigh, Tarboro, Rougemont, Rocky Mount, Erwin, Buies Creek, Wake Forest, Chapel Hill, Warrenton, Durham, Norlina, Knightdale, and Graham 545 PM EDT Thu Jul 8 2021 ...FLASH FLOOD WATCH WILL EXPIRE AT 6 PM EDT THIS EVENING... The Flash Flood Watch for a portion of central North Carolina, including the following areas, Alamance, Chatham, Durham, Edgecombe, Franklin, Granville, Halifax, Harnett, Johnston, Lee, Nash, Orange, Person, Vance, Wake, Warren, Wayne and Wilson will expire at 6 PM EDT this evening. The Flood Watch is cancelled. The heavy rain has shifted northeast of the area and flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. $$ CBL
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 3:33 PM EDT | Special Weather Statement | RAH | Sampson | 42 min |
| Jul 7, 4:36 PM EDT | Special Weather Statement | RAH | Cumberland | 24 min |
| Jul 7, 4:41 PM EDT | Special Weather Statement | RAH | Richmond | 34 min |
Nearby
Flash Flood Watches in North Carolina, 2021Every flash flood watch in 2021
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.