Alert archive / North Carolina / Tornado Watches in 2024

Tornado Watch 613

August 8, 202438 counties in North Carolina; 21 counties in Virginia

The Storm Prediction Center issued this tornado watch at Aug 8, 2024, 2:49 AM EDT for 38 counties in North Carolina; 21 counties in Virginia. It was in force for 10 hr.

The area

The outline as issued.

The facts

Issued
Aug 8, 2024, 2:49 AM EDT (06:49 UTC)
Expired
Aug 8, 2024, 1:00 PM EDT
In force
10 hr
Issued by
the Storm Prediction Center
Strongest gust expected
60 kt
All 59 counties

Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Franklin County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Sampson County, NC, Tyrrell County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Brunswick County, VA, 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, Southampton County, VA, Surry County, VA, Sussex County, VA, York County, VA

The radar

The Raleigh/Durham radar (KRAX), 110 km from the middle of the area, began a volume at 06:49 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
5%
One or more gusts of 65 knots or more
5%
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

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

IssuedProductOfficeCountiesLasted
Aug 8, 2:49 AM EDTTornado WarningRAHJohnston, Wayne, Wilson26 min
Aug 8, 2:51 AM EDTTornado Warning Tornado observedConsiderable damage threatRAHJohnston, Nash, Wilson24 min
Aug 8, 3:09 AM EDTFlash Flood Warning Considerable damage threatRAHChatham, Harnett, Johnston, Lee, Nash, Wake and 2 more6 hr
Aug 8, 3:12 AM EDTTornado WarningRAHJohnston, Nash, Wayne, Wilson33 min
Aug 8, 3:15 AM EDTTornado WarningRAHJohnston, Wake30 min
Aug 8, 3:21 AM EDTFlash Flood Warning Considerable damage threatRAHCumberland, Hoke, Sampson, Scotland6 hr
Aug 8, 3:22 AM EDTTornado WarningMHXGreene23 min
Aug 8, 3:39 AM EDTTornado WarningRAHWilson36 min
Aug 8, 4:11 AM EDTTornado WarningMHXBeaufort, Craven, Pitt34 min
Aug 8, 4:13 AM EDTFlash Flood Warning Considerable damage threatRAHAlamance, Chatham, Davidson, Durham, Forsyth, Guilford and 4 more6 hr
Aug 8, 4:25 AM EDTTornado WarningMHXDuplin22 min
Aug 8, 4:34 AM EDTTornado WarningMHXBeaufort, Pitt26 min
Aug 8, 4:56 AM EDTTornado WarningMHXMartin, Pitt34 min
Aug 8, 5:04 AM EDTTornado WarningRAHEdgecombe41 min
Aug 8, 5:31 AM EDTTornado WarningMHXCraven, Jones, Lenoir, Pitt29 min
Aug 8, 5:32 AM EDTTornado WarningMHXCraven, Greene, Lenoir, Pitt28 min
Aug 8, 5:37 AM EDTTornado WarningRAHWilson23 min
Aug 8, 5:40 AM EDTTornado WarningMHXGreene35 min
Aug 8, 6:00 AM EDTTornado WarningMHXGreene, Pitt30 min
Aug 8, 6:34 AM EDTTornado WarningMHXGreene, Pitt11 min
Aug 8, 6:38 AM EDTFlash Flood WarningMHXCarteret, Craven, Greene, Jones, Lenoir, Onslow and 1 more3 hr
Aug 8, 6:55 AM EDTFlash Flood Warning Considerable damage threatRAHEdgecombe, Franklin, Nash11 hr
Aug 8, 7:11 AM EDTTornado WarningRAHNash, Wilson13 min
Aug 8, 7:41 AM EDTTornado WarningMHXBeaufort, Craven, Pitt34 min
Aug 8, 7:48 AM EDTTornado WarningRAHFranklin, Nash42 min
Aug 8, 7:53 AM EDTTornado WarningRAHEdgecombe, Nash20 min
Aug 8, 7:58 AM EDTTornado WarningRAHEdgecombe, Nash, Wilson22 min
Aug 8, 8:11 AM EDTTornado WarningRAHFranklin, Nash23 min
Aug 8, 8:12 AM EDTFlash Flood Warning Considerable damage threatRAHGranville, Person, Vance12 hr
Aug 8, 8:16 AM EDTTornado WarningMHXPitt29 min
Aug 8, 8:23 AM EDTTornado WarningRAHFranklin, Granville, Vance12 min
Aug 8, 8:58 AM EDTTornado WarningRAHEdgecombe32 min
Aug 8, 9:07 AM EDTFlash Flood Warning Considerable damage threatRAHChatham, Harnett, Johnston, Lee, Wake, Wayne and 1 more5 hr
Aug 8, 9:18 AM EDTFlash Flood Warning Considerable damage threatRAHCumberland, Hoke, Sampson, Scotland5 hr
Aug 8, 10:32 AM EDTTornado WarningRAHFranklin, Halifax, Nash, Warren28 min
Aug 8, 11:30 AM EDTTornado WarningMHXGreene, Lenoir30 min
Aug 8, 11:46 AM EDTFlash Flood WarningMHXCarteret, Craven, Greene, Jones, Lenoir, Onslow and 1 more3 hr
Aug 8, 12:15 PM EDTTornado WarningRAHEdgecombe, Nash, Wilson30 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, 6.8 hours before the alert went out and 122 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 2024-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1118 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 2024-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 221 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
1118 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
221 m²/s²
0-3 km storm-relative helicity
253 m²/s²
Significant tornado parameter
0.9
Supercell composite
13.6

Open this sounding in Storm Lab

The text

As transmitted.

102 
WWUS20 KWNS 080646
SEL3  
SPC WW 080646
NCZ000-VAZ000-CWZ000-081700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 613
NWS Storm Prediction Center Norman OK
245 AM EDT Thu Aug 8 2024

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Eastern North Carolina
  Southeastern Virginia
  Coastal Waters

* Effective this Thursday morning and afternoon from 245 AM until
  100 PM EDT.

* Primary threats include...
  A few tornadoes possible

SUMMARY...The tornado threat with T.S. Debby is expected to
gradually expand northward and somewhat westward through midday,
while lingering for several more hours (potentially past original
Tornado Watch 612 expiration) in NC coastal areas formerly covered
by that watch.

The tornado watch area is approximately along and 85 statute miles
either side of a line from 30 miles south southwest of Goldsboro NC
to 35 miles east northeast of Elizabeth City NC. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

OTHER WATCH INFORMATION...This tornado watch replaces tornado
watch number 612. Watch number 612 will not be in effect after
245 AM EDT. 

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 14035.

...Edwards

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 7, 10:34 PM EDTTornado WatchSPCBeaufort, Carteret, Craven, Dare, Duplin, Greene and 9 more4 hr
Aug 8, 2:19 AM EDTMesoscale DiscussionSPCBeaufort, Bertie, Carteret, Chowan, Craven, Dare and 18 more116 min
Aug 8, 5:47 AM EDTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chatham, Chowan and 37 more118 min
Aug 8, 8:59 AM EDTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 32 more91 min
Aug 8, 11:18 AM EDTMesoscale DiscussionSPCBeaufort, Bertie, Carteret, Craven, Duplin, Edgecombe and 18 more117 min
Aug 8, 12:43 PM EDTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 31 more6 hr
Aug 8, 3:12 PM EDTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 23 more2 hr
Aug 8, 6:37 PM EDTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Caswell, Chowan and 32 more12 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.