Alert archive / North Carolina / Severe Thunderstorm Watches in 2008
Severe Thunderstorm Watch 202
The Storm Prediction Center issued this severe thunderstorm watch at Apr 12, 2008, 2:12 PM EDT for 44 counties in North Carolina; 6 counties in South Carolina. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 12, 2008, 2:12 PM EDT (18:12 UTC)
- Expired
- Apr 12, 2008, 6:40 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
All 50 counties
Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Franklin County, NC, Gates County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Tyrrell County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC
The radar
The Raleigh/Durham radar (KRAX), 67 km from the middle of the area, began a volume at 18:14 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
- 10%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 2:30 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Harnett, Johnston, Sampson | 45 min |
| Apr 12, 3:08 PM EDT | Tornado Warning | RAH | Johnston, Wayne, Wilson | 32 min |
| Apr 12, 3:24 PM EDT | Tornado Warning | MHX | Greene, Pitt | 36 min |
| Apr 12, 3:27 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax | 25 min |
| Apr 12, 3:33 PM EDT | Severe Thunderstorm Warning | MHX | Martin | 27 min |
| Apr 12, 3:59 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Martin, Pitt | 31 min |
| Apr 12, 4:26 PM EDT | Severe Thunderstorm Warning | MHX | Washington | 34 min |
| Apr 12, 4:37 PM EDT | Severe Thunderstorm Warning | MHX | Duplin | 23 min |
| Apr 12, 4:57 PM EDT | Severe Thunderstorm Warning | MHX | Duplin, Jones, Onslow | 48 min |
| Apr 12, 5:00 PM EDT | Severe Thunderstorm Warning | MHX | Tyrrell | 30 min |
| Apr 12, 5:44 PM EDT | Tornado Warning | MHX | Craven, Jones | 31 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 6.2 hours before the alert went out and 114 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
- 915 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 9:48 AM EDT | Mesoscale Discussion | SPC | Alamance, Anson, Cabarrus, Caswell, Catawba, Chatham and 36 more | 117 min |
| Apr 12, 1:48 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Camden, Chowan, Columbus and 29 more | 57 min |
| Apr 12, 3:39 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Brunswick, Camden, Chowan and 28 more | 2 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2008Severe Thunderstorm Watches in South Carolina, 2008Every severe thunderstorm watch in 2008
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.