Alert archive / North Carolina / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 633
The Storm Prediction Center issued this severe thunderstorm watch at Aug 21, 2007, 6:10 PM EDT for 24 counties in North Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 21, 2007, 6:10 PM EDT (22:10 UTC)
- Expired
- Aug 22, 2007, 12:07 AM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 24 counties
Anson County, NC, Beaufort County, NC, Carteret County, NC, Craven County, NC, Cumberland County, NC, Dare County, NC, Duplin County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Hyde County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Moore County, NC, Onslow County, NC, Pamlico County, NC, Pitt County, NC, Richmond County, NC, Sampson County, NC, Scotland County, NC, Tyrrell County, NC, Washington County, NC
The radar
The Raleigh/Durham radar (KRAX), 21 km from the middle of the area, began a volume at 22:11 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 SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 6:34 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston | 71 min |
| Aug 21, 6:57 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Hoke | 77 min |
| Aug 21, 7:15 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 75 min |
| Aug 21, 7:41 PM EDT | Severe Thunderstorm Warning | MHX | Greene, Pitt | 64 min |
| Aug 21, 8:07 PM EDT | Severe Thunderstorm Warning | MHX | Martin | 53 min |
| Aug 21, 8:13 PM EDT | Severe Thunderstorm Warning | MHX | Lenoir | 47 min |
| Aug 21, 8:26 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 49 min |
| Aug 21, 8:34 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Craven | 56 min |
| Aug 21, 8:50 PM EDT | Severe Thunderstorm Warning | MHX | Duplin | 34 min |
| Aug 21, 8:54 PM EDT | Severe Thunderstorm Warning | MHX | Jones | 51 min |
| Aug 21, 9:24 PM EDT | Severe Thunderstorm Warning | MHX | Washington | 36 min |
| Aug 21, 9:51 PM EDT | Severe Thunderstorm Warning | MHX | Hyde, Tyrrell | 39 min |
| Aug 21, 9:55 PM EDT | Severe Thunderstorm Warning | MHX | Craven | 35 min |
| Aug 21, 10:02 PM EDT | Severe Thunderstorm Warning | MHX | Dare | 58 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 1:42 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Alleghany, Ashe, Avery, Buncombe and 29 more | 2 hr |
| Aug 21, 2:12 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Alexander, Alleghany, Ashe, Avery, Buncombe and 21 more | 5 hr |
| Aug 21, 3:51 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Beaufort, Bertie, Cabarrus, Caldwell and 50 more | 114 min |
| Aug 21, 4:23 PM EDT | Severe Thunderstorm Watch | SPC | Bertie, Camden, Chatham, Chowan, Currituck, Durham and 18 more | 7 hr |
| Aug 21, 4:56 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Cabarrus, Cleveland, Cumberland, Duplin and 16 more | 3 hr |
| Aug 21, 6:12 PM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Beaufort, Bertie, Bladen, Brunswick and 49 more | 2 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2007Every severe thunderstorm watch in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.