Alert archive / South Carolina / Tornado Warnings in 2016

Tornado Warning 12, NWS Charleston, SC

October 7, 2016Beaufort County, Jasper County, South Carolina; Chatham County, Effingham County, Georgia

NWS Charleston, SC issued this tornado warning at Oct 7, 2016, 2:29 PM EDT for Beaufort County, Jasper County, South Carolina; Chatham County, Effingham County, Georgia. It was in force for 16 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
Oct 7, 2016, 2:29 PM EDT (18:29 UTC)
Expired
Oct 7, 2016, 2:45 PM EDT
In force
16 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Chatham County, GA, Effingham County, GA, Beaufort County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 44 km from the middle of the area, began a volume at 18:33 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 12:00Z, 6.5 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 2016-10-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 220 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 2016-10-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 253 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
220 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
471 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
253 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

898 
WFUS52 KCHS 071829
TORCHS
GAC051-103-SCC013-053-071845-
/O.NEW.KCHS.TO.W.0012.161007T1829Z-161007T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
229 PM EDT FRI OCT 7 2016

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* TORNADO WARNING FOR PORTIONS OF...
  CHATHAM COUNTY IN SOUTHEASTERN GEORGIA...
  EFFINGHAM COUNTY IN SOUTHEASTERN GEORGIA...
  BEAUFORT COUNTY IN SOUTHEASTERN SOUTH CAROLINA...
  JASPER COUNTY IN SOUTHEASTERN SOUTH CAROLINA...

* UNTIL 245 PM EDT
    
* AT 229 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 8 MILES NORTHWEST OF BELLINGER HILL
  AREA...MOVING WEST AT 45 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...
  RINCON...PORT WENTWORTH...HARDEEVILLE AND PURYSBURGH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT DAMAGE DIRECTLY TO THE CHARLESTON NATIONAL WEATHER SERVICE AT
1-888-383-2024 WHEN IT IS SAFE TO DO SO.

&&

LAT...LON 3231 8100 3224 8102 3222 8103 3217 8130
      3234 8132
TIME...MOT...LOC 1829Z 087DEG 37KT 3227 8106 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
1 follow-up statement
073 
WWUS52 KCHS 071845
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
245 PM EDT FRI OCT 7 2016

GAC051-103-SCC013-053-071855-
/O.EXP.KCHS.TO.W.0012.000000T0000Z-161007T1845Z/
CHATHAM GA-EFFINGHAM GA-BEAUFORT SC-JASPER SC-
245 PM EDT FRI OCT 7 2016

...THE TORNADO WARNING FOR CHATHAM...EFFINGHAM...BEAUFORT AND JASPER
COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 3231 8100 3224 8102 3222 8103 3217 8130
      3234 8132
TIME...MOT...LOC 1845Z 087DEG 37KT 3226 8123 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 7, 10:44 AM EDTSpecial Marine WarningCHS46 min
Oct 7, 10:55 AM EDTSpecial Marine WarningCHS35 min
Oct 7, 11:24 AM EDTSpecial Marine WarningCHS2 hr
Oct 7, 3:30 PM EDTSpecial Marine WarningCHS30 min
Oct 7, 3:40 PM EDTTornado WarningCHSBeaufort, Jasper12 min
Oct 7, 4:39 PM EDTSpecial Marine WarningCHS2 hr
Oct 7, 5:12 PM EDTSpecial Marine WarningCHS2 hr
Oct 7, 5:48 PM EDTFlash Flood WarningCHSBeaufort, Jasper17 hr
Oct 7, 7:53 PM EDTFlash Flood WarningCHSBerkeley, Charleston, Colleton, Dorchester14 hr
Oct 7, 1:08 PM EDTTornado WarningCHSBryan, Chatham, Liberty37 min

Nearby

Tornado Warnings in South Carolina, 2016Tornado Warnings in Georgia, 2016Every tornado warning in 2016Tornadoes in 2016

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.