Alert archive / North Carolina / Tornado Watches in 2019
Tornado Watch 637
The Storm Prediction Center issued this tornado watch at Sep 5, 2019, 6:15 PM EDT for 23 counties in North Carolina; 5 counties in Virginia. It was in force for 12 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 5, 2019, 6:15 PM EDT (22:15 UTC)
- Expired
- Sep 6, 2019, 6:18 AM EDT
- In force
- 12 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 0.5 in
- Strongest gust expected
- 60 kt
All 28 counties
Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Gates County, NC, Greene County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, City of Chesapeake, VA, City of Norfolk, VA, City of Portsmouth, VA, City of Suffolk, VA, City of Virginia Beach, VA
The radar
The Norfolk radar (KAKQ), 155 km from the middle of the area, began a volume at 22:14 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
- 60%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 10%
- 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
- 20%
Warnings issued inside it
12 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 6:17 PM EDT | Tornado Warning | MHX | Craven, Lenoir, Pitt | 28 min |
| Sep 5, 7:31 PM EDT | Flash Flood Warning | MHX | Duplin, Lenoir | 11 hr |
| Sep 5, 7:53 PM EDT | Tornado Warning | MHX | Beaufort, Hyde, Martin | 22 min |
| Sep 5, 10:18 PM EDT | Flash Flood Warning | MHX | Duplin, Onslow | 8 hr |
| Sep 5, 11:32 PM EDT | Tornado Warning | AKQ | Chowan, Perquimans | 17 min |
| Sep 6, 12:31 AM EDT | Flash Flood Warning | MHX | Beaufort, Dare, Hyde, Martin, Tyrrell, Washington | 6 hr |
| Sep 6, 12:35 AM EDT | Tornado Warning | AKQ | Chowan, Gates, Pasquotank, Perquimans | 25 min |
| Sep 6, 12:48 AM EDT | Flash Flood Warning | AKQ | Bertie, Chowan, Perquimans | 10 hr |
| Sep 6, 12:50 AM EDT | Tornado Warning | AKQ | Bertie, Chowan, Hertford, Perquimans | 25 min |
| Sep 6, 3:16 AM EDT | Flash Flood Warning | MHX | Carteret | 4 hr |
| Sep 6, 3:17 AM EDT | Flash Flood Warning | AKQ | Bertie, Camden, Chowan, Gates, Hertford, Pasquotank and 1 more | 13 hr |
| Sep 6, 5:12 AM EDT | Flash Flood Warning | AKQ | Camden, Currituck, Pasquotank | 11 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, 10.3 hours before the alert went out and 171 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
- 813 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 908 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 3:16 AM EDT | Mesoscale Discussion | SPC | Brunswick, New Hanover, Pender | 119 min |
| Sep 5, 4:20 AM EDT | Tornado Watch | SPC | Bladen, Brunswick, Columbus, New Hanover, Pender | 12 hr |
| Sep 5, 6:00 AM EDT | Mesoscale Discussion | SPC | Brunswick, New Hanover | 60 min |
| Sep 5, 6:40 AM EDT | Mesoscale Discussion | SPC | Beaufort, Carteret, Craven, Dare, Duplin, Edgecombe and 13 more | 65 min |
| Sep 5, 7:28 AM EDT | Tornado Watch | SPC | Beaufort, Carteret, Craven, Cumberland, Dare, Duplin and 16 more | 11 hr |
| Sep 5, 11:58 AM EDT | Mesoscale Discussion | SPC | New Hanover, Pender | 2 hr |
| Sep 5, 4:45 PM EDT | Mesoscale Discussion | SPC | Carteret, Craven, Duplin, Greene, Johnston, Jones and 6 more | 2 hr |
Nearby
Tornado Watches in North Carolina, 2019Tornado Watches in Virginia, 2019Every tornado watch in 2019
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.