Alert archive / North Carolina / Tornado Watches in 2022
Tornado Watch 548
The Storm Prediction Center issued this tornado watch at Sep 30, 2022, 12:39 PM EDT for 38 counties in North Carolina; Dillon County, Horry County, Marion County, South Carolina; 22 counties in Virginia. It was in force for 9 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 30, 2022, 12:39 PM EDT (16:39 UTC)
- Expired
- Sep 30, 2022, 10:00 PM EDT
- In force
- 9 hr
- Issued by
- the Storm Prediction Center
- Strongest gust expected
- 60 kt
All 63 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, Gates County, NC, Greene County, NC, Halifax County, NC, Hertford 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, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Dillon County, SC, Horry County, SC, Marion County, SC, City of Chesapeake, VA, City of Emporia, VA, City of Franklin, VA, City of Hampton, VA, City of Newport News, VA, City of Norfolk, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Gloucester County, VA, Greensville County, VA, Isle of Wight County, VA, James City County, VA, Mathews County, VA, Middlesex County, VA, Northampton County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, York County, VA
The radar
The Morehead City radar (KMHX), 93 km from the middle of the area, began a volume at 16:38 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- 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
- 40%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 2:33 PM EDT | Flash Flood Warning | AKQ | York, City of Chesapeake, City of Hampton, City of Newport News, City of Norfolk, City of Poquoson and 3 more | 3 hr |
| Sep 30, 2:45 PM EDT | Flash Flood Warning | AKQ | Camden, Chowan, Pasquotank, Perquimans | 3 hr |
| Sep 30, 2:46 PM EDT | Tornado Warning | MHX | Beaufort, Pamlico | 44 min |
| Sep 30, 3:22 PM EDT | Tornado Warning | MHX | Beaufort | 13 min |
| Sep 30, 4:19 PM EDT | Tornado Warning | MHX | Craven, Jones | 26 min |
| Sep 30, 5:21 PM EDT | Tornado Warning | AKQ | Camden, Currituck, Pasquotank | 24 min |
| Sep 30, 5:44 PM EDT | Tornado Warning | AKQ | Camden, Currituck, Pasquotank | 16 min |
| Sep 30, 6:18 PM EDT | Flash Flood Warning | RAH | Chatham, Cumberland, Harnett, Hoke, Johnston, Lee and 5 more | 5 hr |
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, 4.7 hours before the alert went out and 93 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
- 516 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 601 m²/s²
- 0-3 km storm-relative helicity
- 915 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 |
|---|---|---|---|---|
| Sep 30, 9:47 AM EDT | Mesoscale Discussion | SPC | Beaufort, Brunswick, Carteret, Chowan, Columbus, Craven and 15 more | 118 min |
| Sep 30, 12:27 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Brunswick, Camden, Carteret, Chowan and 16 more | 63 min |
| Sep 30, 3:13 PM EDT | Mesoscale Discussion | SPC | Beaufort, Camden, Carteret, Chowan, Craven, Currituck and 7 more | 2 hr |
| Sep 30, 6:15 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Chowan, Craven, Currituck and 19 more | 60 min |
Nearby
Tornado Watches in North Carolina, 2022Tornado Watches in Virginia, 2022Tornado Watches in South Carolina, 2022Every tornado watch in 2022
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.