Alert archive / North Carolina / Tornado Watches in 2019

Tornado Watch 636

September 5, 201922 counties in North Carolina

The Storm Prediction Center issued this tornado watch at Sep 5, 2019, 7:28 AM EDT for 22 counties in North Carolina. It was in force for 11 hr.

The area

The outline as issued.

The facts

Issued
Sep 5, 2019, 7:28 AM EDT (11:28 UTC)
Expired
Sep 5, 2019, 6:41 PM EDT
In force
11 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
50 kt
All 22 counties

Beaufort County, NC, Carteret County, NC, Craven County, NC, Cumberland County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Greene County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, Onslow County, NC, Pamlico County, NC, Pitt County, NC, Sampson County, NC, Tyrrell County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC

The radar

The Morehead City radar (KMHX), 49 km from the middle of the area, began a volume at 11:27 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
70%
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

26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Sep 5, 7:40 AM EDTTornado WarningMHXOnslow50 min
Sep 5, 8:29 AM EDTTornado WarningMHXDuplin, Onslow46 min
Sep 5, 8:42 AM EDTTornado WarningMHXJones, Onslow48 min
Sep 5, 8:54 AM EDTTornado WarningMHXCarteret, Craven, Jones, Onslow51 min
Sep 5, 9:11 AM EDTTornado WarningMHXOnslow49 min
Sep 5, 9:27 AM EDTTornado WarningMHXDuplin, Jones, Onslow33 min
Sep 5, 9:35 AM EDTTornado Warning Tornado observedMHXJones, Onslow40 min
Sep 5, 9:55 AM EDTTornado WarningMHXDuplin, Onslow50 min
Sep 5, 10:21 AM EDTTornado WarningMHXDuplin, Jones, Lenoir, Onslow39 min
Sep 5, 10:49 AM EDTTornado WarningMHXDuplin, Onslow41 min
Sep 5, 12:27 PM EDTTornado WarningMHXDuplin, Lenoir48 min
Sep 5, 1:52 PM EDTTornado WarningRAHJohnston, Wayne16 min
Sep 5, 2:28 PM EDTTornado WarningMHXBeaufort, Craven, Greene, Lenoir, Pitt13 min
Sep 5, 2:30 PM EDTFlash Flood WarningMHXDuplin, Onslow5 hr
Sep 5, 2:42 PM EDTFlash Flood WarningRAHSampson, Wayne5 hr
Sep 5, 3:46 PM EDTTornado WarningRAHCumberland, Sampson29 min
Sep 5, 4:01 PM EDTTornado WarningRAHWilson44 min
Sep 5, 4:10 PM EDTTornado WarningMHXCarteret, Craven, Pamlico50 min
Sep 5, 4:10 PM EDTFlash Flood WarningRAHJohnston, Wilson5 hr
Sep 5, 4:18 PM EDTTornado WarningMHXDuplin, Jones, Lenoir, Onslow27 min
Sep 5, 4:18 PM EDTFlash Flood WarningRAHCumberland5 hr
Sep 5, 4:22 PM EDTTornado WarningRAHJohnston24 min
Sep 5, 4:54 PM EDTTornado WarningMHXCraven, Jones, Pamlico19 min
Sep 5, 4:56 PM EDTTornado WarningMHXCraven, Jones, Pitt34 min
Sep 5, 5:55 PM EDTFlash Flood WarningMHXCraven, Jones, Lenoir, Pamlico3 hr
Sep 5, 6:17 PM EDTTornado WarningMHXCraven, Lenoir, Pitt28 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, 11.5 hours before the alert went out and 48 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.

Skew-T log-pSkew-T log-p diagram, Newport, NC at 00:00Z on 2019-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 347 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 00:00Z on 2019-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -59 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
347 J/kg
Mixed-layer CIN
-160 J/kg
Mixed-layer LCL
1123 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-59 m²/s²
0-3 km storm-relative helicity
-14 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.8

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 5, 3:16 AM EDTMesoscale DiscussionSPCBrunswick, New Hanover, Pender119 min
Sep 5, 4:20 AM EDTTornado WatchSPCBladen, Brunswick, Columbus, New Hanover, Pender12 hr
Sep 5, 6:00 AM EDTMesoscale DiscussionSPCBrunswick, New Hanover60 min
Sep 5, 6:40 AM EDTMesoscale DiscussionSPCBeaufort, Carteret, Craven, Dare, Duplin, Edgecombe and 13 more65 min
Sep 5, 11:58 AM EDTMesoscale DiscussionSPCNew Hanover, Pender2 hr
Sep 5, 4:45 PM EDTMesoscale DiscussionSPCCarteret, Craven, Duplin, Greene, Johnston, Jones and 6 more2 hr
Sep 5, 6:15 PM EDTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 17 more12 hr

Nearby

Tornado Watches in North Carolina, 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.