Alert archive / South Carolina / Tornado Warnings in 2024

Tornado Warning 49, NWS Charleston, SC

September 27, 2024Colleton County, South Carolina

NWS Charleston, SC issued this tornado warning at Sep 27, 2024, 3:48 AM EDT for Colleton County, South Carolina. It was in force for 20 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
Sep 27, 2024, 3:48 AM EDT (07:48 UTC)
Expired
Sep 27, 2024, 4:08 AM EDT
In force
20 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Colleton County, SC

The radar

The Charleston,SC radar (KCLX), 54 km from the middle of the area, began a volume at 07:49 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 26, 8:56 PM EDTTornado WatchSPC11 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 00:00Z, 7.8 hours before the alert went out and 61 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 00:00Z on 2024-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 349 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 00:00Z on 2024-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 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
349 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
372 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.3

Open this sounding in Storm Lab

The text

As transmitted.

401 
WFUS52 KCHS 270748
TORCHS
SCC029-270815-
/O.NEW.KCHS.TO.W.0049.240927T0748Z-240927T0815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
348 AM EDT Fri Sep 27 2024

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Colleton County in southeastern South Carolina...

* Until 415 AM EDT.

* At 348 AM EDT, a severe thunderstorm capable of producing a 
  tornado was located near Ashepoo, moving north at 65 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.

* Locations impacted include...
  Walterboro, Round O, Ritter, Canadys, Green Pond, Ashepoo, Thayer, 
  Lowcountry Regional Airport, Drawdy and Colleton Medical Center.

This includes I-95 in South Carolina between mile markers 55 and 69.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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.

Tornadoes are difficult to observe at night. Take cover now!

Tornadoes from tropical storms or hurricanes can form and move very 
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a 
tornado, it could be too late. Take action now to protect yourself.

&&

LAT...LON 3302 8078 3312 8069 3311 8067 3310 8067
      3308 8063 3307 8063 3307 8062 3306 8059
      3306 8054 3273 8046 3269 8064
TIME...MOT...LOC 0748Z 164DEG 58KT 3279 8056

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

NED
2 follow-up statements
793 
WWUS52 KCHS 270803
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
403 AM EDT Fri Sep 27 2024

SCC029-270815-
/O.CON.KCHS.TO.W.0049.000000T0000Z-240927T0815Z/
Colleton SC-
403 AM EDT Fri Sep 27 2024

...TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR COLLETON 
COUNTY...

At 403 AM EDT, a severe thunderstorm capable of producing a tornado 
was located over Canadys, moving north at 65 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.

Locations impacted include...
  Walterboro, Canadys, Rhodes Crossroads, Sidney, Springtown, Stokes 
  and Hiotts.

This includes I-95 in South Carolina between mile markers 60 and 69.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built 
building away from 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.

Tornadoes are difficult to observe at night. Take cover now!

Tornadoes from tropical storms or hurricanes can form and move very 
quickly. TAKE COVER IMMEDIATELY! If you wait until you hear a 
tornado, it could be too late. Take action now to protect yourself.

&&

LAT...LON 3311 8067 3310 8067 3308 8063 3307 8063
      3307 8062 3306 8059 3306 8054 3296 8052
      3294 8064 3294 8074 3302 8078 3312 8069
TIME...MOT...LOC 0748Z 164DEG 58KT 3279 8056

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

NED
824 
WWUS52 KCHS 270808
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
408 AM EDT Fri Sep 27 2024

SCC029-270818-
/O.CAN.KCHS.TO.W.0049.000000T0000Z-240927T0815Z/
Colleton SC-
408 AM EDT Fri Sep 27 2024

...TORNADO WARNING IS CANCELLED FOR COLLETON COUNTY...

The storm which prompted the warning has weakened below severe 
limits, and has exited the warned area. Therefore, the warning has 
been cancelled.

A Tornado Watch remains in effect until 800 AM EDT Friday for a 
portion of southeast South Carolina.

&&

LAT...LON 3311 8067 3310 8067 3308 8063 3307 8063
      3307 8062 3306 8059 3306 8054 3296 8052
      3294 8064 3294 8074 3302 8078 3312 8069
TIME...MOT...LOC 0803Z 164DEG 58KT 3303 8063

$$

NED

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 8:02 PM EDTTornado WarningCHSColleton43 min
Sep 26, 8:42 PM EDTTornado WarningCHSBeaufort, Jasper33 min
Sep 26, 9:10 PM EDTTornado WarningCHSJasper35 min
Sep 26, 9:40 PM EDTTornado WarningCHSCharleston, Colleton35 min
Sep 26, 9:50 PM EDTTornado Warning Tornado observedCHSBeaufort, Jasper25 min
Sep 26, 10:15 PM EDTTornado WarningCHSBeaufort, Jasper27 min
Sep 26, 10:36 PM EDTTornado WarningCHSHampton, Jasper39 min
Sep 26, 10:49 PM EDTTornado WarningCHSAllendale26 min
Sep 26, 10:57 PM EDTTornado WarningCHSAllendale, Hampton, Jasper32 min
Sep 27, 12:07 AM EDTTornado WarningCHSCharleston, Colleton23 min
Sep 27, 12:28 AM EDTTornado WarningCHSCharleston, Colleton32 min
Sep 27, 12:58 AM EDTTornado Warning Tornado observedCHSBeaufort38 min
Sep 27, 1:46 AM EDTTornado Warning Tornado observedCHSBeaufort15 min
Sep 27, 2:00 AM EDTCoastal Flood AdvisoryCHS6 hr
Sep 27, 2:53 AM EDTTornado WarningCHSCharleston, Colleton22 min
Sep 27, 3:19 AM EDTTornado WarningCHSBeaufort, Colleton41 min
Sep 27, 3:42 AM EDTTornado WarningCHSCharleston48 min
Sep 27, 4:00 AM EDTTornado WarningCHSCharleston23 min
Sep 27, 4:30 AM EDTTornado WarningCHSBerkeley, Charleston, Dorchester36 min
Sep 27, 4:36 AM EDTTornado WarningCHSCharleston24 min
Sep 27, 4:53 AM EDTTornado WarningCHSCharleston23 min
Sep 27, 4:54 AM EDTTornado WarningCHSDorchester18 min
Sep 27, 5:08 AM EDTTornado WarningCHSBerkeley, Dorchester18 min
Sep 27, 5:18 AM EDTTornado WarningCHSCharleston19 min
Sep 27, 5:47 AM EDTTornado WarningCHSBerkeley, Charleston13 min
Sep 27, 5:50 AM EDTTornado WarningCHSBerkeley34 min
Sep 27, 5:54 AM EDTFlash Flood Warning Considerable damage threatCHSBerkeley, Charleston6 hr
Sep 27, 6:16 AM EDTTornado WarningCHSBerkeley, Charleston29 min
Sep 27, 7:25 AM EDTTornado WarningCHSBerkeley, Charleston16 min
Sep 27, 12:23 PM EDTWind AdvisoryCHSAllendale, Berkeley, Colleton, Dorchester, Hampton7 hr
Sep 27, 3:21 PM EDTWind AdvisoryCHSAllendale, Berkeley, Colleton, Dorchester, Hampton4 hr

Nearby

Tornado Warnings in South Carolina, 2024Every tornado warning in 2024Tornadoes 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.