Alert archive / North Carolina / Flash Flood Warnings in 2021
Flash Flood Warning 4, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Jun 3, 2021, 4:27 PM EDT for 5 counties in North Carolina. It was in force for 112 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2021, 4:27 PM EDT (20:27 UTC)
- Expired
- Jun 3, 2021, 6:19 PM EDT
- In force
- 112 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Chatham County, NC, Durham County, NC, Granville County, NC, Orange County, NC, Person County, NC
The radar
The Raleigh/Durham radar (KRAX), 48 km from the middle of the area, began a volume at 20:29 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, 8.5 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
- 192 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 93 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
444
WGUS52 KRAH 032027
FFWRAH
NCC037-063-077-135-145-040015-
/O.NEW.KRAH.FF.W.0004.210603T2027Z-210604T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Raleigh NC
427 PM EDT Thu Jun 3 2021
The National Weather Service in Raleigh has issued a
* Flash Flood Warning for...
Eastern Chatham County in central North Carolina...
Durham County in central North Carolina...
Granville County in central North Carolina...
Eastern Orange County in central North Carolina...
Eastern Person County in central North Carolina...
* Until 815 PM EDT.
* At 427 PM EDT, Doppler radar indicated training thunderstorms
producing heavy rain across the warned area. Between 1 and 3
inches of rain have fallen. Additional rainfall amounts up to 2
inches are possible in the warned area. Flash flooding is ongoing
or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Durham, Chapel Hill, Oxford, Hillsborough, Creedmoor, Pittsboro,
Carrboro, Butner, Goldston, Rougemont, Stem, Stovall, Bahama,
Gorman, Bethesda, Surl and Lake Butner.
This includes Interstate 85 between Hillsborough and Henderson and
Interstate 40 between Hillsborough and RTP.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3654 7888 3654 7846 3648 7851 3620 7851
3607 7875 3603 7875 3601 7870 3597 7871
3592 7876 3593 7881 3587 7883 3587 7891
3568 7897 3559 7905 3563 7912 3556 7920
3557 7924 3555 7925 3553 7937
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
102 follow-up statements
852
WGUS72 KRAH 032147
FFSRAH
Flash Flood Statement
National Weather Service Raleigh NC
547 PM EDT Thu Jun 3 2021
NCC037-135-145-032157-
/O.CAN.KRAH.FF.W.0004.000000T0000Z-210604T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chatham NC-Orange NC-Person NC-
547 PM EDT Thu Jun 3 2021
...FLASH FLOOD WARNING IS CANCELLED FOR EASTERN CHATHAM, EASTERN
ORANGE AND EASTERN PERSON COUNTIES...
Flooding is no longer expected to pose a threat. Please continue to
heed remaining road closures.
A Flash Flood Watch remains in effect until 600 AM EDT Friday for a
portion of central North Carolina.
A Flash Flood Watch remains in effect until 600 AM EDT Friday for a
portion of central North Carolina.
LAT...LON 3607 7875 3603 7875 3601 7870 3597 7871
3592 7876 3593 7881 3587 7883 3586 7902
3624 7895 3624 7880 3654 7880 3654 7846
3651 7850 3648 7851 3620 7851
$$
NCC063-077-040015-
/O.CON.KRAH.FF.W.0004.000000T0000Z-210604T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Durham NC-Granville NC-
547 PM EDT Thu Jun 3 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT THIS
EVENING FOR DURHAM AND GRANVILLE COUNTIES...
At 547 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 1 and 3 inches of rain have
fallen. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Durham, Chapel Hill, Oxford, Creedmoor, Butner, Rougemont, Stem,
Stovall, Berea, Bahama, Gorman, Falls Lake, Bethesda, Eno River
State Park, and Research Triangle.
This includes Interstate 85 between Butner and Oxford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3607 7875 3603 7875 3601 7870 3597 7871
3592 7876 3593 7881 3587 7883 3586 7902
3624 7895 3624 7880 3654 7880 3654 7846
3651 7850 3648 7851 3620 7851
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
10703
WGUS72 KRAH 032219
FFSRAH
Flash Flood Statement
National Weather Service Raleigh NC
619 PM EDT Thu Jun 3 2021
NCC063-077-032229-
/O.CAN.KRAH.FF.W.0004.000000T0000Z-210604T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Durham NC-Granville NC-
619 PM EDT Thu Jun 3 2021
...FLASH FLOOD WARNING IS CANCELLED FOR DURHAM AND GRANVILLE
COUNTIES...
The heavy rain has ended and flooding is no longer expected to pose
a threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 600 AM EDT Friday for a
portion of central North Carolina.
A Flash Flood Watch remains in effect until 600 AM EDT Friday for a
portion of central North Carolina.
LAT...LON 3607 7875 3603 7875 3601 7870 3597 7871
3592 7876 3593 7881 3587 7883 3586 7902
3624 7895 3624 7880 3654 7880 3654 7846
3651 7850 3648 7851 3620 7851
$$
10The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 9:10 PM EDT | Special Weather Statement | RAH | Wayne | 50 min |
| Jun 3, 3:02 AM EDT | Areal Flood Advisory | RAH | Chatham, Wake | 3 hr |
| Jun 3, 3:23 AM EDT | Flash Flood Watch | RAH | Anson, Chatham, Cumberland, Durham, Edgecombe, Franklin and 18 more | 24 hr |
| Jun 3, 8:21 AM EDT | Areal Flood Advisory | RAH | Edgecombe, Halifax, Wayne, Wilson | 4 hr |
| Jun 3, 12:29 PM EDT | Special Weather Statement | RAH | Franklin | 46 min |
| Jun 3, 12:50 PM EDT | Special Weather Statement | RAH | Wayne | 40 min |
| Jun 3, 1:01 PM EDT | Special Weather Statement | RAH | Halifax | 29 min |
| Jun 3, 1:08 PM EDT | Special Weather Statement | RAH | Franklin | 52 min |
| Jun 3, 1:23 PM EDT | Special Weather Statement | RAH | Anson | 52 min |
| Jun 3, 1:41 PM EDT | Special Weather Statement | RAH | Halifax | 64 min |
| Jun 3, 1:45 PM EDT | Special Weather Statement | RAH | Wayne, Wilson | 60 min |
| Jun 3, 2:13 PM EDT | Special Weather Statement | RAH | Montgomery | 32 min |
| Jun 3, 2:19 PM EDT | Areal Flood Advisory | RAH | Cumberland, Harnett, Johnston, Sampson, Wayne | 4 hr |
| Jun 3, 2:39 PM EDT | Special Weather Statement | RAH | Chatham, Durham | 51 min |
| Jun 3, 3:05 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Halifax, Nash | 115 min |
| Jun 3, 3:17 PM EDT | Areal Flood Advisory | RAH | Chatham, Durham, Granville, Orange, Wake | 118 min |
| Jun 3, 3:37 PM EDT | Flash Flood Warning | RAH | Edgecombe, Halifax, Nash | 3 hr |
| Jun 3, 3:41 PM EDT | Flash Flood Warning | RAH | Franklin, Halifax, Warren | 3 hr |
| Jun 3, 4:22 PM EDT | Flash Flood Warning | RAH | Wayne | 3 hr |
| Jun 3, 4:33 PM EDT | Special Weather Statement | RAH | Guilford | 57 min |
| Jun 3, 4:58 PM EDT | Areal Flood Advisory | RAH | Franklin, Granville, Vance, Wake, Warren | 95 min |
| Jun 3, 5:57 PM EDT | Areal Flood Advisory | RAH | Cumberland, Harnett, Hoke, Johnston, Sampson, Wayne | 3 hr |
| Jun 3, 7:47 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Wilson | 105 min |
Nearby
Flash Flood Warnings in North Carolina, 2021Every flash flood warning 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.