Alert archive / South Carolina / Tornado Warnings in 2016

Tornado Warning 13, NWS Charleston, SC

October 7, 2016Beaufort County, Jasper County, South Carolina

NWS Charleston, SC issued this tornado warning at Oct 7, 2016, 3:40 PM EDT for Beaufort County, Jasper County, South Carolina. It was in force for 12 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, 3:40 PM EDT (19:40 UTC)
Expired
Oct 7, 2016, 3:52 PM EDT
In force
12 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Beaufort County, SC, Jasper County, SC

The radar

The Charleston,SC radar (KCLX), 55 km from the middle of the area, began a volume at 19:41 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
Oct 7, 3:17 PM EDTTornado WatchSPC9 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.7 hours before the alert went out and 97 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.

421 
WFUS52 KCHS 071940
TORCHS
SCC013-053-072015-
/O.NEW.KCHS.TO.W.0013.161007T1940Z-161007T2015Z/

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

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

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

* UNTIL 415 PM EDT
    
* AT 340 PM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED 14 MILES SOUTHEAST OF PORT ROYAL...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...
  HILTON HEAD ISLAND...BLUFFTON...FRIPP ISLAND...FOLLY FIELD...HILTON
  HEAD AIRPORT...ROSE HILL AND PARRIS ISLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR THE ATLANTIC...GET AWAY FROM THE WATER AND MOVE TO
SAFE SHELTER IMMEDIATELY. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING. SEVERE THUNDERSTORMS CAN PRODUCE
LARGE CAPSIZING WAVES...EVEN ON SMALL BODIES OF WATER. MOVE INTO
DOCK AND SEEK SAFE SHELTER NOW! DO NOT BE CAUGHT ON THE WATER IN A
THUNDERSTORM.

WATERSPOUTS THAT MOVE ONSHORE BECOME TORNADOES. IMMEDIATELY SEEK
SHELTER INSIDE A STURDY BUILDING. AS A LAST RESORT...FIND A LOW SPOT
AND PROTECT YOURSELF FROM FLYING DEBRIS.

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

&&

LAT...LON 3229 8095 3234 8044 3229 8042 3225 8058
      3220 8064 3213 8091
TIME...MOT...LOC 1940Z 078DEG 39KT 3228 8047 

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

$$
1 follow-up statement
216 
WWUS52 KCHS 071952
SVSCHS

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

SCC013-053-072002-
/O.CAN.KCHS.TO.W.0013.000000T0000Z-161007T2015Z/
BEAUFORT SC-JASPER SC-
352 PM EDT FRI OCT 7 2016

...THE TORNADO WARNING FOR BEAUFORT AND JASPER COUNTIES IS
CANCELLED...
                
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 CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT FOR SOUTHEASTERN
SOUTH CAROLINA.

LAT...LON 3229 8095 3234 8044 3229 8042 3225 8058
      3220 8064 3213 8091
TIME...MOT...LOC 1951Z 078DEG 39KT 3225 8062 

$$

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, 2:29 PM EDTTornado WarningCHSBeaufort, Jasper16 min
Oct 7, 3:30 PM EDTSpecial Marine WarningCHS30 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

Nearby

Tornado Warnings in South Carolina, 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.