Alert archive / South Carolina / Tornado Warnings in 2022

Tornado Warning 9, NWS Wilmington, NC

August 19, 2022Horry County, South Carolina

NWS Wilmington, NC issued this tornado warning at Aug 19, 2022, 8:34 AM EDT for Horry County, South Carolina. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 19, 2022, 8:34 AM EDT (12:34 UTC)
Expired
Aug 19, 2022, 9:00 AM EDT
In force
26 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), 64 km from the middle of the area, began a volume at 12:35 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 was reported inside it

TimeReportWhereRemark
Aug 19, 8:55 AM EDTFUNNEL CLOUD1 Se Socastee, SCFUNNEL CLOUD WAS OBSERVED NEAR SCIPIO LANE

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 0.6 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2022-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 919 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2022-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 square meters per square second.1939Sfc1 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
919 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
654 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

641 
WFUS52 KILM 191234
TORILM
SCC051-191300-
/O.NEW.KILM.TO.W.0009.220819T1234Z-220819T1300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Wilmington NC
834 AM EDT Fri Aug 19 2022

The National Weather Service in Wilmington has issued a

* Tornado Warning for...
  South central Horry County in northeastern South Carolina...

* Until 900 AM EDT.
    
* At 834 AM EDT, a severe thunderstorm capable of producing a tornado
  was located over Socastee, moving northeast at 10 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Springmaid Pier and Socastee around 855 AM EDT.
  Myrtle Beach, Myrtle Beach Airport, Red Hill and Forestbrook 
  around 900 AM EDT.

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 3365 7908 3377 7899 3370 7887 3358 7899
TIME...MOT...LOC 1234Z 217DEG 8KT 3365 7900 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

VAO
2 follow-up statements
754 
WWUS52 KILM 191246
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
846 AM EDT Fri Aug 19 2022

SCC051-191300-
/O.CON.KILM.TO.W.0009.000000T0000Z-220819T1300Z/
Horry SC-
846 AM EDT Fri Aug 19 2022

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EDT FOR SOUTH
CENTRAL HORRY COUNTY...
    
At 846 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Socastee, moving northeast at 10 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Myrtle Beach Airport around 855 AM EDT.
  Forestbrook around 910 AM EDT.
  Myrtle Beach around 915 AM EDT.

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 3367 7904 3377 7899 3370 7887 3362 7897
TIME...MOT...LOC 1246Z 217DEG 8KT 3367 7898 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

VAO
326 
WWUS52 KILM 191258
SVSILM

Severe Weather Statement
National Weather Service Wilmington NC
858 AM EDT Fri Aug 19 2022

SCC051-191308-
/O.EXP.KILM.TO.W.0009.000000T0000Z-220819T1300Z/
Horry SC-
858 AM EDT Fri Aug 19 2022

...THE TORNADO WARNING FOR SOUTH CENTRAL HORRY COUNTY WILL EXPIRE AT
900 AM 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 heavy rain
is still possible with this thunderstorm.

LAT...LON 3367 7904 3377 7899 3370 7887 3362 7897
TIME...MOT...LOC 1258Z 217DEG 8KT 3369 7897 

$$

VAO

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 7:29 AM EDTAreal Flood AdvisoryILMHorry2 hr
Aug 19, 9:08 AM EDTAreal Flood AdvisoryILMGeorgetown, Horry25 min
Aug 19, 9:32 AM EDTFlash Flood WarningILMGeorgetown, Horry3 hr
Aug 19, 3:03 PM EDTSpecial Weather StatementILMHorry27 min
Aug 19, 5:03 PM EDTAreal Flood AdvisoryILMGeorgetown, Horry18 min
Aug 19, 5:20 PM EDTFlash Flood WarningILMGeorgetown, Horry85 min

Nearby

Tornado Warnings in South Carolina, 2022Every tornado warning in 2022Tornadoes in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.