Alert archive / North Carolina / Flash Flood Warnings in 2024
Flash Flood Warning 13, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood warning at Jul 12, 2024, 5:52 AM EDT for Alamance County, Chatham County, Randolph County, North Carolina. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 12, 2024, 5:52 AM EDT (09:52 UTC)
- Expired
- Jul 12, 2024, 9:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
Counties Alamance County, NC, Chatham County, NC, Randolph County, NC
The radar
The Raleigh/Durham radar (KRAX), 92 km from the middle of the area, began a volume at 09:54 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.
The nearest sounding before it
Newport, NC (KMHX), launched 00:00Z, 9.9 hours before the alert went out and 263 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
- 1577 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 778 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 5:06 AM EDT | Areal Flood Advisory | RAH | Alamance, Chatham, Orange, Randolph | 3 hr |
| Jul 12, 7:23 AM EDT | Areal Flood Advisory | RAH | Anson, Davidson, Montgomery, Randolph, Richmond, Stanly | 3 hr |
| Jul 12, 10:45 AM EDT | Areal Flood Advisory | RAH | Durham, Orange | 2 hr |
| Jul 12, 11:03 AM EDT | Areal Flood Advisory | RAH | Cumberland, Sampson | 3 hr |
| Jul 12, 11:43 AM EDT | Areal Flood Advisory | RAH | Chatham, Cumberland, Durham, Harnett, Johnston, Lee and 1 more | 4 hr |
| Jul 12, 12:08 PM EDT | Flash Flood Warning | RAH | Harnett, Johnston, Wake | 3 hr |
| Jul 12, 12:49 PM EDT | Flash Flood Warning | RAH | Durham, Orange | 3 hr |
| Jul 12, 1:05 PM EDT | Areal Flood Advisory | RAH | Chatham, Lee | 3 hr |
| Jul 12, 2:11 PM EDT | Areal Flood Advisory | RAH | Durham, Granville, Orange, Person | 3 hr |
| Jul 12, 2:13 PM EDT | Special Weather Statement | RAH | Halifax | 62 min |
| Jul 12, 3:13 PM EDT | Areal Flood Warning | RAH | Durham, Wake | 3 hr |
| Jul 12, 3:29 PM EDT | Areal Flood Advisory | RAH | Franklin, Vance, Warren | 3 hr |
| Jul 12, 4:16 PM EDT | Areal Flood Advisory | RAH | Anson, Montgomery, Richmond, Stanly | 3 hr |
| Jul 12, 5:01 PM EDT | Flash Flood Warning | RAH | Anson, Richmond | 2 hr |
| Jul 12, 5:59 PM EDT | Areal Flood Advisory | RAH | Wayne | 2 hr |
| Jul 12, 6:27 PM EDT | Areal Flood Advisory | RAH | Edgecombe, Halifax | 3 hr |
Nearby
Flash Flood Warnings in North Carolina, 2024Every flash flood warning in 2024
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.