Alert archive / South Carolina / Tornado Warnings in 2017
Tornado Warning 14, NWS Wilmington, NC
NWS Wilmington, NC issued this tornado warning at Aug 31, 2017, 8:09 PM EDT for Horry County, South Carolina. It was in force for 36 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 31, 2017, 8:09 PM EDT (00:09 UTC)
- Expired
- Aug 31, 2017, 8:45 PM EDT
- In force
- 36 min
- Issued by
- NWS Wilmington, NC
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
County Horry County, SC
The radar
The Wilmington radar (KLTX), 70 km from the middle of the area, began a volume at 00:08 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
Charleston AFB, SC (KCHS), launched 00:00Z, 0.2 hours before the alert went out and 126 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
- 835 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.7
The text
As transmitted.
654
WFUS52 KILM 010009
TORILM
SCC051-010045-
/O.NEW.KILM.TO.W.0014.170901T0009Z-170901T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
809 PM EDT THU AUG 31 2017
The National Weather Service in Wilmington has issued a
* Tornado Warning for...
Southwestern Horry County in northeastern South Carolina...
* Until 845 PM EDT
* At 808 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Dongola, or 7 miles southwest of Conway, moving
east at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
* Locations impacted include...
Conway, Red Hill, Hickory Grove, Dongola, Homewood, Horry
Georgetown Technical College Conway Campus, Coastal Carolina
University, Pee Dee Crossroads, Nixonville, Forestbrook, Lighthouse
Care Center Of Conway and Conway Medical Center.
This includes SC Highway 31 between mile markers 5 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3373 7919 3374 7921 3375 7922 3376 7922
3376 7923 3385 7924 3391 7890 3373 7885
TIME...MOT...LOC 0008Z 262DEG 21KT 3379 7918
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHK2 follow-up statements
196
WWUS52 KILM 010030
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
830 PM EDT THU AUG 31 2017
SCC051-010045-
/O.CON.KILM.TO.W.0014.000000T0000Z-170901T0045Z/
Horry SC-
830 PM EDT THU AUG 31 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR SOUTH
CENTRAL HORRY COUNTY...
At 829 PM EDT, a severe thunderstorm capable of producing a tornado
was located near Coastal Carolina University, or over Conway, moving
east at 25 mph.
HAZARD...TORNADO.
SOURCE...Radar indicated rotation.
IMPACT...Expect damage to mobile homes, roofs, and vehicles.
Locations impacted include...
Red Hill, Horry Georgetown Technical College Conway Campus, Coastal
Carolina University, Forestbrook, Lighthouse Care Center Of Conway
and Conway Medical Center.
This includes SC Highway 31 between mile markers 5 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3374 7909 3377 7910 3380 7910 3384 7891
3373 7885
TIME...MOT...LOC 0029Z 262DEG 21KT 3381 7903
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
SHK743
WWUS52 KILM 010041
SVSILM
Severe Weather Statement
National Weather Service Wilmington NC
841 PM EDT THU AUG 31 2017
SCC051-010051-
/O.EXP.KILM.TO.W.0014.000000T0000Z-170901T0045Z/
Horry SC-
841 PM EDT THU AUG 31 2017
...THE TORNADO WARNING FOR SOUTH CENTRAL HORRY COUNTY WILL EXPIRE AT
845 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire. However gusty winds
are still possible with this thunderstorm.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Wilmington.
LAT...LON 3374 7909 3377 7910 3380 7910 3384 7891
3373 7885
TIME...MOT...LOC 0041Z 262DEG 21KT 3382 7895
$$
SHKThe office that day
Everything else NWS Wilmington, NC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:27 PM EDT | Special Marine Warning | ILM | 93 min | |
| Aug 31, 8:44 PM EDT | Special Weather Statement | ILM | Horry | 61 min |
| Sep 1, 9:45 AM EDT | River Flood Warning | ILM | Horry | 6 days |
| Sep 1, 2:04 PM EDT | Special Weather Statement | ILM | Dillon, Marion | 56 min |
| Sep 1, 4:23 PM EDT | Severe Thunderstorm Warning | ILM | Marlboro | 37 min |
| Sep 1, 6:45 PM EDT | Special Weather Statement | ILM | Marlboro | 30 min |
Nearby
Tornado Warnings in South Carolina, 2017Every tornado warning in 2017Tornadoes in 2017
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.