Alert archive / North Carolina / Tornado Watches in 2024
Tornado Watch 106
The Storm Prediction Center issued this tornado watch at Apr 11, 2024, 6:43 PM EDT for 30 counties in North Carolina; 21 counties in Virginia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 11, 2024, 6:43 PM EDT (22:43 UTC)
- Expired
- Apr 11, 2024, 11:00 PM EDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 55 kt
All 51 counties
Alamance County, NC, Alexander County, NC, Anson County, NC, Cabarrus County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Davidson County, NC, Davie County, NC, Forsyth County, NC, Gaston County, NC, Guilford County, NC, Iredell County, NC, Lee County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Rockingham County, NC, Rowan County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Union County, NC, Wilkes County, NC, Yadkin County, NC, Appomattox County, VA, Bedford County, VA, Buckingham County, VA, Campbell County, VA, Carroll County, VA, Charlotte County, VA, City of Danville, VA, City of Galax, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Floyd County, VA, Franklin County, VA, Halifax County, VA, Henry County, VA, Montgomery County, VA, Patrick County, VA, Pittsylvania County, VA, Roanoke County, VA
The radar
The Roanoke radar (KFCX), 63 km from the middle of the area, began a volume at 22:42 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.
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
- 40%
- One or more gusts of 65 knots or more
- 20%
- 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
27 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 6:51 PM EDT | Tornado Warning | RNK | Wilkes | 24 min |
| Apr 11, 6:59 PM EDT | Tornado Warning | RNK | Surry, Wilkes, Yadkin | 31 min |
| Apr 11, 7:00 PM EDT | Severe Thunderstorm Warning | GSP | Alexander, Iredell | 45 min |
| Apr 11, 7:17 PM EDT | Tornado Warning | RNK | Surry, Wilkes, Yadkin | 28 min |
| Apr 11, 7:20 PM EDT | Severe Thunderstorm Warning | GSP | Catawba, Davie, Iredell, Rowan | 55 min |
| Apr 11, 7:33 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, Stokes, Surry, Wilkes, Yadkin | 57 min |
| Apr 11, 7:39 PM EDT | Tornado Warning | RNK | Stokes, Surry, Yadkin | 36 min |
| Apr 11, 7:52 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth | 38 min |
| Apr 11, 8:01 PM EDT | Severe Thunderstorm Warning | GSP | Cabarrus, Rowan | 44 min |
| Apr 11, 8:06 PM EDT | Severe Thunderstorm Warning | RNK | Stokes, Surry | 39 min |
| Apr 11, 8:07 PM EDT | Severe Thunderstorm Warning | GSP | Davie, Rowan | 38 min |
| Apr 11, 8:15 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Montgomery, Randolph, Stanly | 45 min |
| Apr 11, 8:15 PM EDT | Tornado Warning | RNK | Stokes | 9 min |
| Apr 11, 8:18 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford | 42 min |
| Apr 11, 8:18 PM EDT | Severe Thunderstorm Warning | RAH | Anson, Montgomery, Moore, Randolph, Richmond, Stanly | 42 min |
| Apr 11, 8:24 PM EDT | Severe Thunderstorm Warning | RNK | Rockingham, Stokes | 51 min |
| Apr 11, 8:37 PM EDT | Severe Thunderstorm Warning | RNK | Floyd, Franklin, Henry, Patrick, City of Martinsville | 38 min |
| Apr 11, 8:51 PM EDT | Severe Thunderstorm Warning | RAH | Davidson, Forsyth, Guilford, Randolph | 39 min |
| Apr 11, 8:58 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Lee, Montgomery, Moore, Randolph | 47 min |
| Apr 11, 9:00 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 60 min |
| Apr 11, 9:07 PM EDT | Tornado Warning | RNK | Henry, Pittsylvania | 23 min |
| Apr 11, 9:08 PM EDT | Severe Thunderstorm Warning | RNK | Bedford, Campbell, Franklin, Henry, Pittsylvania | 67 min |
| Apr 11, 9:21 PM EDT | Tornado Warning | RNK | Henry, Pittsylvania | 24 min |
| Apr 11, 9:28 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Guilford | 16 min |
| Apr 11, 9:34 PM EDT | Severe Thunderstorm Warning | RNK | Caswell, Rockingham | 56 min |
| Apr 11, 9:42 PM EDT | Severe Thunderstorm Warning | RAH | Alamance, Chatham, Durham, Orange | 48 min |
| Apr 11, 10:21 PM EDT | Severe Thunderstorm Warning | RNK | Appomattox, Buckingham, Charlotte, Halifax | 54 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 47 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
- 24 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 207 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 11, 6:24 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Burke, Cabarrus and 22 more | 2 hr |
| Apr 11, 1:54 PM EDT | Mesoscale Discussion | SPC | Dickenson, Lee, Wise, City of Norton | 2 hr |
| Apr 11, 4:06 PM EDT | Tornado Watch | SPC | Buchanan, Dickenson | 5 hr |
Nearby
Tornado Watches in North Carolina, 2024Tornado Watches in Virginia, 2024Every tornado watch 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.