Alert archive / North Carolina / Flash Flood Watches in 2010
Flash Flood Watch 2, NWS Raleigh, NC
NWS Raleigh, NC issued this flash flood watch at Jul 27, 2010, 2:42 PM EDT for 26 counties in North Carolina. It took effect at Jul 27, 2010, 4:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Jul 27, 2010, 2:42 PM EDT (18:42 UTC)
- In effect from
- Jul 27, 2010, 4:00 PM EDT
- Expired
- Jul 27, 2010, 11:04 PM EDT
- In force
- 7 hr
- Issued by
- NWS Raleigh, NC
- Flood severity
- None
All 26 counties
Alamance County, NC, Anson County, NC, Chatham County, NC, Cumberland County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Granville 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, Wayne County, NC, Wilson County, NC
The radar
The Raleigh/Durham radar (KRAX), 42 km from the middle of the area, began a volume at 18:42 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, 6.7 hours before the alert went out and 101 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
- 1083 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 99 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 26, 9:24 PM EDT | Special Weather Statement | RAH | Richmond | 51 min |
| Jul 26, 9:43 PM EDT | Special Weather Statement | RAH | Anson | 47 min |
| Jul 26, 10:03 PM EDT | Areal Flood Advisory | RAH | Anson | 62 min |
| Jul 26, 10:13 PM EDT | Special Weather Statement | RAH | Stanly | 62 min |
| Jul 26, 10:26 PM EDT | Special Weather Statement | RAH | Montgomery | 64 min |
| Jul 26, 11:49 PM EDT | Special Weather Statement | RAH | Davidson, Forsyth, Guilford, Randolph | 71 min |
| Jul 27, 12:28 AM EDT | Areal Flood Advisory | RAH | Warren | 2 hr |
| Jul 27, 12:37 AM EDT | Special Weather Statement | RAH | Davidson, Forsyth, Guilford, Randolph | 83 min |
| Jul 27, 9:20 AM EDT | Special Weather Statement | RAH | Cumberland, Hoke | 25 min |
| Jul 27, 9:40 AM EDT | Areal Flood Advisory | RAH | Hoke | 3 hr |
| Jul 27, 10:30 AM EDT | Special Weather Statement | RAH | Hoke, Scotland | 60 min |
| Jul 27, 12:18 PM EDT | Areal Flood Advisory | RAH | Wake | 3 hr |
| Jul 27, 12:46 PM EDT | Flash Flood Warning | RAH | Wake | 2 hr |
| Jul 27, 1:35 PM EDT | Areal Flood Advisory | RAH | Chatham, Harnett, Lee | 2 hr |
| Jul 27, 1:50 PM EDT | Flash Flood Warning | RAH | Chatham, Lee | 3 hr |
| Jul 27, 2:13 PM EDT | Special Weather Statement | RAH | Davidson, Forsyth, Guilford, Randolph | 62 min |
| Jul 27, 2:20 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford | 55 min |
| Jul 27, 2:33 PM EDT | Special Weather Statement | RAH | Alamance | 57 min |
| Jul 27, 2:48 PM EDT | Areal Flood Advisory | RAH | Davidson, Forsyth, Guilford, Randolph | 2 hr |
| Jul 27, 2:51 PM EDT | Flash Flood Warning | RAH | Guilford | 114 min |
| Jul 27, 3:12 PM EDT | Special Weather Statement | RAH | Chatham | 63 min |
| Jul 27, 3:38 PM EDT | Areal Flood Advisory | RAH | Chatham, Randolph | 3 hr |
| Jul 27, 5:25 PM EDT | Special Weather Statement | RAH | Richmond | 65 min |
Nearby
Flash Flood Watches in North Carolina, 2010Every flash flood watch in 2010
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.