Alert archive / North Carolina / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 198, NWS Raleigh, NC
NWS Raleigh, NC issued this severe thunderstorm warning at Aug 14, 2018, 3:12 PM EDT for Harnett County, Lee County, Moore County, North Carolina. It was in force for 21 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 14, 2018, 3:12 PM EDT (19:12 UTC)
- Expired
- Aug 14, 2018, 3:33 PM EDT
- In force
- 21 min
- Issued by
- NWS Raleigh, NC
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Harnett County, NC, Lee County, NC, Moore County, NC
The radar
The Raleigh/Durham radar (KRAX), 69 km from the middle of the area, began a volume at 19:13 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.
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 7.2 hours before the alert went out and 219 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
- 1114 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 812 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Raleigh, NC wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 14, 2:46 PM EDT, 26 minutes earlier.
Area forecast discussion, Aug 14, 2:46 PM EDT, 26 minutes before
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</html>Hazardous weather outlook, Aug 14, 4:17 AM EDT, 10 hours 55 minutes before
Hazardous Weather Outlook National Weather Service Raleigh NC 417 AM EDT Tue Aug 14 2018 NCZ007>011-021>028-038>043-073>078-083>086-088-089-150830- Person-Granville-Vance-Warren-Halifax-Forsyth-Guilford-Alamance- Orange-Durham-Franklin-Nash-Edgecombe-Davidson-Randolph-Chatham-Wake- Johnston-Wilson-Stanly-Montgomery-Moore-Lee-Harnett-Wayne-Anson- Richmond-Scotland-Hoke-Cumberland-Sampson- 417 AM EDT Tue Aug 14 2018 This Hazardous Weather Outlook is for central North Carolina. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time.
In the hours before
Special weather statement, Aug 14, 11:05 AM EDT, 4 hours 7 minutes before
Special Weather Statement
National Weather Service Raleigh NC
1105 AM EDT TUE AUG 14 2018
NCZ040-041-076-077-141600-
Lee NC-Chatham NC-Harnett NC-Wake NC-
1105 AM EDT TUE AUG 14 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN HARNETT...LEE...
SOUTHWESTERN WAKE AND SOUTHERN CHATHAM COUNTIES UNTIL NOON EDT...
At 1104 AM EDT, Doppler radar was tracking a strong thunderstorm near
Goldston, or 7 miles south of Pittsboro, moving east at 20 mph.
Wind gusts up to 40 mph will be possible with this storm.
Locations impacted include...
Cary, Sanford, Pittsboro, Fuquay-Varina, Goldston, Apex, Holly
Springs, Broadway, Crosswinds Boating Center and Crosswinds
Campground.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter in a nearby building or vehicle. Wind gusts as high as
40 mph are capable of knocking down tree limbs and blowing around
light outdoor objects.
Frequent cloud to ground lightning is occurring with this storm.
Boaters on the open water and those camping outdoors are especially
vulnerable to the dangers of lightning. If on or near Jordan Lake or
Harris Lake, get out of the water and move indoors or inside a
vehicle. Seek harbor immediately and find safe shelter in a nearby
building or vehicle.
&&
LAT...LON 3578 7874 3554 7877 3537 7895 3549 7934
3550 7934 3552 7935 3552 7943 3572 7941
TIME...MOT...LOC 1504Z 262DEG 19KT 3562 7922
10Special weather statement, Aug 14, 11:58 AM EDT, 3 hours 14 minutes before
Special Weather Statement
National Weather Service Raleigh NC
1158 AM EDT TUE AUG 14 2018
NCZ041-042-077-141700-
Johnston NC-Harnett NC-Wake NC-
1158 AM EDT TUE AUG 14 2018
...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN HARNETT...SOUTHERN
WAKE AND WESTERN JOHNSTON COUNTIES UNTIL 100 PM EDT...
At 1156 AM EDT, Doppler radar was tracking a strong thunderstorm near
Fuquay-Varina, or 13 miles north of Lillington, moving east at 25
mph.
Wind gusts up to 40 mph will be possible with this storm.
Deadly cloud to ground lightning will also be possible with this
storm.
Locations impacted include...
Raleigh, Cary, Lillington, Garner, Fuquay-Varina, Clayton, Angier,
Benson, Apex and Holly Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter in a nearby building or vehicle. Wind gusts as high as
40 mph are capable of knocking down tree limbs and blowing around
light outdoor objects. Frequent cloud to ground lightning is
occurring with this storm.
Boaters on the open water and those camping outdoors are especially
vulnerable to the dangers of lightning. Seek harbor immediately and
find safe shelter in a nearby building or vehicle if you are on or
near Harris Lake, Lake Wheeler or Lake Benson. Move to safe shelter
now! Do not be caught on the water in a thunderstorm.
&&
LAT...LON 3577 7839 3538 7845 3541 7900 3550 7899
3558 7892 3561 7899 3580 7893
TIME...MOT...LOC 1556Z 264DEG 21KT 3559 7887
10Special weather statement, Aug 14, 1:21 PM EDT, 1 hour 51 minutes before
Special Weather Statement
National Weather Service Raleigh NC
121 PM EDT TUE AUG 14 2018
NCZ042-043-078-141830-
Johnston NC-Wayne NC-Wilson NC-
121 PM EDT TUE AUG 14 2018
...A STRONG THUNDERSTORM WILL AFFECT WAYNE...JOHNSTON AND
SOUTHWESTERN WILSON COUNTIES UNTIL 230 PM EDT...
At 119 PM EDT, Doppler radar was tracking a strong thunderstorm near
Smithfield, moving east at 15 mph.
Wind gusts up to 50 mph will be possible with this storm.
Heavy rain and minor flooding and deadly cloud to ground lightning
will also be possible with this storm.
Locations impacted include...
Goldsboro, Smithfield, Wilson, Mount Olive, Fremont, Walnut Creek,
Micro, Selma, Four Oaks and Pine Level. This includes locations
along the Neuse river from Smithfield to Goldsboro.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter in a nearby building or vehicle. Wind gusts as high as
50 mph are capable of knocking down small or weakened trees and
blowing around light outdoor objects.
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding.
Boaters on the open water and those camping outdoors are especially
vulnerable to the dangers of lightning. Seek harbor immediately and
find safe shelter in a nearby building or vehicle.
&&
LAT...LON 3518 7783 3516 7788 3515 7789 3517 7793
3516 7797 3519 7802 3518 7809 3519 7816
3521 7817 3522 7821 3529 7830 3526 7841
3526 7849 3530 7853 3536 7854 3575 7836
3573 7819 3580 7799 3572 7791 3558 7783
TIME...MOT...LOC 1719Z 287DEG 7KT 3550 7826
10Special weather statement, Aug 14, 1:46 PM EDT, 1 hour 26 minutes before
Special Weather Statement
National Weather Service Raleigh NC
146 PM EDT TUE AUG 14 2018
NCZ027-043-141845-
Nash NC-Wilson NC-
146 PM EDT TUE AUG 14 2018
...A STRONG THUNDERSTORM WILL AFFECT NASH AND NORTHWESTERN WILSON
COUNTIES UNTIL 245 PM EDT...
At 145 PM EDT, Doppler radar was tracking a strong thunderstorm near
Bailey, or 17 miles southwest of Nashville, moving northeast at 25
mph.
Wind gusts up to 50 mph will be possible with this storm.
Heavy rain and minor flooding and deadly cloud to ground lightning
will also be possible with this storm.
Locations impacted include...
Rocky Mount, Nashville, Wilson, Elm City, Dortches, Bailey, Red Oak,
Sharpsburg, Spring Hope and Middlesex. This includes locations along
the Tar River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Seek shelter in a nearby building or vehicle. Wind gusts as high as
50 mph are capable of knocking down small or weakened trees and
blowing around light outdoor objects.
Boaters on the open water and those camping outdoors are especially
vulnerable to the dangers of lightning. Seek harbor immediately and
find safe shelter in a nearby building or vehicle.
&&
LAT...LON 3618 7798 3619 7797 3618 7795 3619 7794
3619 7792 3617 7792 3616 7790 3614 7789
3615 7776 3613 7770 3587 7783 3576 7784
3573 7821 3575 7822 3575 7823 3577 7825
3582 7826 3620 7801
TIME...MOT...LOC 1745Z 242DEG 22KT 3580 7819
10Special weather statement, Aug 14, 3:04 PM EDT, 8 minutes before
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</html>The office that day
Everything else NWS Raleigh, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 8:38 PM EDT | Special Weather Statement | RAH | Person | 67 min |
| Aug 13, 9:14 PM EDT | Areal Flood Advisory | RAH | Granville, Person, Vance | 3 hr |
| Aug 13, 9:26 PM EDT | Special Weather Statement | RAH | Vance | 64 min |
| Aug 13, 9:55 PM EDT | Special Weather Statement | RAH | Person | 65 min |
| Aug 13, 10:42 PM EDT | Special Weather Statement | RAH | Granville, Person, Vance | 63 min |
| Aug 13, 11:28 PM EDT | Special Weather Statement | RAH | Alamance | 62 min |
| Aug 14, 11:05 AM EDT | Special Weather Statement | RAH | Chatham, Lee | 55 min |
| Aug 14, 11:58 AM EDT | Special Weather Statement | RAH | Wake | 62 min |
| Aug 14, 1:21 PM EDT | Special Weather Statement | RAH | Johnston, Wayne, Wilson | 69 min |
| Aug 14, 1:46 PM EDT | Special Weather Statement | RAH | Nash | 59 min |
| Aug 14, 2:45 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Halifax, Nash | 45 min |
| Aug 14, 3:04 PM EDT | Special Weather Statement | RAH | Harnett, Lee, Moore | 56 min |
| Aug 14, 3:31 PM EDT | Special Weather Statement | RAH | Halifax | 29 min |
| Aug 14, 3:34 PM EDT | Special Weather Statement | RAH | Edgecombe | 56 min |
| Aug 14, 6:11 PM EDT | Special Weather Statement | RAH | Hoke | 64 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 2018Every severe thunderstorm warning in 2018
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.