Alert archive / South Carolina / Tornado Watches in 2019
Tornado Watch 68
The Storm Prediction Center issued this tornado watch at Apr 14, 2019, 6:31 PM EDT for 6 counties in North Carolina; 12 counties in South Carolina. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 14, 2019, 6:31 PM EDT (22:31 UTC)
- Expired
- Apr 14, 2019, 9:04 PM EDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1 in
- Strongest gust expected
- 60 kt
Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Robeson County, NC, Berkeley County, SC, Charleston County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC
The radar
The Wilmington radar (KLTX), 43 km from the middle of the area, began a volume at 22:35 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
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- 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
- 40%
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 10.5 hours before the alert went out and 157 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
- 663 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 119 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted.
575 WWUS20 KWNS 142227 SEL8 SPC WW 142227 NCZ000-SCZ000-150600- URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 68 NWS Storm Prediction Center Norman OK 630 PM EDT Sun Apr 14 2019 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Eastern North Carolina Eastern South Carolina * Effective this Sunday night and Monday morning from 630 PM until 200 AM EDT. * Primary threats include... A couple tornadoes possible Isolated damaging wind gusts to 70 mph possible SUMMARY...At least isolated severe storms will pose a threat this evening into the overnight, including the possibility of damaging winds and a tornado risk. The tornado watch area is approximately along and 60 statute miles east and west of a line from 40 miles north northwest of Wilmington NC to 30 miles west southwest of Charleston SC. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU8). 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...CONTINUE...WW 61...WW 62...WW 63...WW 64...WW 65...WW 66...WW 67... AVIATION...Tornadoes and a few severe thunderstorms with hail surface and aloft to 1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean storm motion vector 23035. ...Guyer
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 11:48 AM EDT | Mesoscale Discussion | SPC | Alexander, Cabarrus, Catawba, Cleveland, Davidson, Davie and 16 more | 117 min |
| Apr 14, 2:16 PM EDT | Tornado Watch | SPC | Alamance, Alexander, Alleghany, Anson, Burke, Cabarrus and 46 more | 8 hr |
| Apr 14, 3:00 PM EDT | Mesoscale Discussion | SPC | Cherokee, Graham, Swain | 2 hr |
| Apr 14, 4:28 PM EDT | Severe Thunderstorm Watch | SPC | Avery, Buncombe, Cherokee, Clay, Graham, Haywood and 8 more | 6 hr |
| Apr 14, 4:50 PM EDT | Mesoscale Discussion | SPC | Alexander, Caswell, Catawba, Davidson, Davie, Forsyth and 8 more | 85 min |
| Apr 14, 5:43 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Columbus, Cumberland, Duplin and 11 more | 2 hr |
| Apr 14, 7:12 PM EDT | Mesoscale Discussion | SPC | Alexander, Alleghany, Ashe, Avery, Buncombe, Burke and 33 more | 2 hr |
| Apr 14, 7:21 PM EDT | Severe Thunderstorm Watch | SPC | Ashe, Watauga | 5 hr |
| Apr 14, 12:54 PM EDT | Tornado Watch | SPC | Abbeville, Aiken, Anderson, Bamberg, Barnwell, Calhoun and 21 more | 6 hr |
| Apr 14, 3:02 PM EDT | Tornado Watch | SPC | Allendale, Beaufort, Hampton, Jasper | 4 hr |
Nearby
Tornado Watches in South Carolina, 2019Tornado 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.