Alert archive / North Carolina / Tornado Watches in 2013
Tornado Watch 578
The Storm Prediction Center issued this tornado watch at Nov 26, 2013, 9:48 PM EST for 15 counties in North Carolina. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 26, 2013, 9:48 PM EST (02:48 UTC)
- Expired
- Nov 27, 2013, 8:00 AM EST
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
Counties Beaufort County, NC, Carteret County, NC, Craven County, NC, Dare County, NC, Duplin County, NC, Greene County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Onslow County, NC, Pamlico County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC
The radar
The Morehead City radar (KMHX), 41 km from the middle of the area, began a volume at 02:49 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 5%
- One or more hailstones of 2 inches or more
- 5%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 26, 10:16 PM EST | Tornado Warning | MHX | Carteret, Craven | 29 min |
| Nov 26, 10:21 PM EST | Tornado Warning | MHX | Craven | 39 min |
| Nov 27, 12:08 AM EST | Tornado Warning | MHX | Duplin, Jones, Onslow | 37 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 00:00Z, 2.8 hours before the alert went out and 40 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
- 36 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 366 m²/s²
- 0-3 km storm-relative helicity
- 437 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 |
|---|---|---|---|---|
| Nov 26, 7:48 PM EST | Mesoscale Discussion | SPC | Brunswick, Columbus | 87 min |
| Nov 26, 9:16 PM EST | Mesoscale Discussion | SPC | Beaufort, Bladen, Brunswick, Carteret, Columbus, Craven and 8 more | 89 min |
| Nov 26, 11:29 PM EST | Mesoscale Discussion | SPC | Beaufort, Brunswick, Carteret, Craven, Dare, Hyde and 7 more | 91 min |
| Nov 27, 2:26 AM EST | Mesoscale Discussion | SPC | Carteret, Craven, Dare, Hyde, Jones, Onslow and 1 more | 94 min |
| Nov 27, 8:07 AM EST | Mesoscale Discussion | SPC | Carteret, Dare, Hyde, Pamlico | 83 min |
Nearby
Tornado Watches in North Carolina, 2013Every tornado watch in 2013
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.