Alert archive / North Carolina / Severe Thunderstorm Watches in 2019
Severe Thunderstorm Watch 166
The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2019, 10:42 AM EDT for 22 counties in North Carolina. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 13, 2019, 10:42 AM EDT (14:42 UTC)
- Expired
- May 13, 2019, 6:00 PM EDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 50 kt
All 22 counties
Beaufort County, NC, Bertie County, NC, Chowan County, NC, Craven County, NC, Dare County, NC, Edgecombe County, NC, Greene County, NC, Halifax County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 10%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
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 |
|---|---|---|---|---|
| May 13, 11:31 AM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Nash, Wilson | 44 min |
| May 13, 11:43 AM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Martin, Pitt, Washington | 47 min |
| May 13, 11:52 AM EDT | Severe Thunderstorm Warning | AKQ | Bertie | 38 min |
| May 13, 12:28 PM EDT | Severe Thunderstorm Warning | MHX | Hyde, Tyrrell, Washington | 47 min |
| May 13, 1:16 PM EDT | Severe Thunderstorm Warning | MHX | Dare, Hyde, Tyrrell | 44 min |
| May 13, 1:26 PM EDT | Severe Thunderstorm Warning | RAH | Johnston, Wake | 49 min |
| May 13, 1:55 PM EDT | Tornado Warning | RAH | Johnston, Wayne, Wilson | 35 min |
| May 13, 2:28 PM EDT | Severe Thunderstorm Warning | RAH | Wayne, Wilson | 18 min |
| May 13, 2:30 PM EDT | Tornado Warning | MHX | Greene, Lenoir, Pitt | 45 min |
| May 13, 2:36 PM EDT | Tornado Warning | RAH | Wayne, Wilson | 9 min |
| May 13, 3:08 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Craven, Greene, Lenoir, Pitt | 52 min |
| May 13, 3:51 PM EDT | Severe Thunderstorm Warning | MHX | Beaufort, Hyde, Pamlico | 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
Newport, NC (KMHX), launched 12:00Z, 2.7 hours before the alert went out and 113 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
- 626 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 10:14 AM EDT | Mesoscale Discussion | SPC | Beaufort, Chatham, Edgecombe, Greene, Johnston, Martin and 6 more | 2 hr |
| May 13, 1:59 PM EDT | Mesoscale Discussion | SPC | Beaufort, Craven, Dare, Greene, Harnett, Hyde and 8 more | 91 min |
| May 13, 3:45 PM EDT | Mesoscale Discussion | SPC | Beaufort, Dare, Hyde, Pamlico | 90 min |
Nearby
Severe Thunderstorm Watches in North Carolina, 2019Every severe thunderstorm 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.