Alert archive / South Carolina / Tornado Watches in 2008

Tornado Watch 932

November 14, 20086 counties in North Carolina; 24 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Nov 14, 2008, 10:25 PM EST for 6 counties in North Carolina; 24 counties in South Carolina. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Nov 14, 2008, 10:25 PM EST (03:25 UTC)
Expired
Nov 15, 2008, 6:00 AM EST
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 30 counties

Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Robeson County, NC, Allendale County, SC, Bamberg County, SC, Barnwell County, SC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Colleton County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Florence County, SC, Georgetown County, SC, Hampton County, SC, Horry County, SC, Kershaw County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Columbia radar (KCAE), 102 km from the middle of the area, began a volume at 03:25 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
5%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Nov 14, 10:42 PM ESTTornado WarningCAECalhoun, Clarendon, Sumter33 min
Nov 14, 11:25 PM ESTSevere Thunderstorm WarningCAELee, Sumter20 min
Nov 14, 11:38 PM ESTSevere Thunderstorm WarningILMDarlington, Florence53 min
Nov 15, 3:45 AM ESTSevere Thunderstorm WarningCHSBerkeley, Charleston, Dorchester45 min
Nov 15, 4:04 AM ESTSevere Thunderstorm WarningILMBladen26 min
Nov 15, 4:07 AM ESTSevere Thunderstorm WarningILMBladen, Columbus23 min
Nov 15, 4:09 AM ESTSevere Thunderstorm WarningCHSBerkeley, Charleston32 min
Nov 15, 4:33 AM ESTSevere Thunderstorm WarningILMGeorgetown, Williamsburg30 min

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 00:00Z, 3.4 hours before the alert went out and 74 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 2008-11-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 724 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2008-11-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 square meters per square second.19395878Sfc1 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
724 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
600 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.5
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WWUS20 KWNS 150332
SEL2  
SPC WW 150332
NCZ000-SCZ000-CWZ000-151100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 932
NWS STORM PREDICTION CENTER NORMAN OK
1025 PM EST FRI NOV 14 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       SOUTHERN NORTH CAROLINA
       EASTERN AND CENTRAL SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1025 PM
UNTIL 600 AM EST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF
CHARLESTON SOUTH CAROLINA TO 60 MILES NORTHEAST OF FLORENCE SOUTH
CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 931...

DISCUSSION...LONG-LIVED BROKEN BAND OF TSTMS NOW OVER CNTRL SC
EXPECTED TO CONTINUE MOVING NNE THROUGH EARLY SATURDAY.  STRONGEST
STORMS MAY CONTINUE TO BE CONFINED TO INTERSECTION OF THAT BAND WITH
DIFFUSE WARM FRONT EXTENDING NNE FROM NEAR CAE TO NEAR FLO.  AREA
VWP DATA SHOW LOW LVL WINDS INCREASING ACROSS WW...PROBABLY IN
RESPONSE TO APPROACH/ACCELERATION OF NERN GULF VORT MAX AND
AMPLIFICATION OF LARGER SCALE TROUGH OVER THE ERN U.S.  GIVEN
COMBINATION OF STRENGTHENING LOW LVL SHEAR AND FACT THAT LOW LVL
ENVIRONMENT WILL FURTHER WARM/MOISTEN DOWNSTREAM INTO ERN SC/SRN
NC...SETUP MAY SUPPORT AN INCREASING THREAT FOR ISOLD DMGG WINDS
AND/OR TORNADOES.

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 450.
MEAN STORM MOTION VECTOR 22040.


...CORFIDI

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 14, 7:11 PM ESTMesoscale DiscussionSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 29 more2 hr
Nov 14, 7:37 PM ESTTornado WatchSPCBaker, Ben Hill, Berrien, Brooks, Calhoun, Clay and 20 more7 hr
Nov 14, 9:15 PM ESTMesoscale DiscussionSPCCarroll, Chattooga, Dade, Floyd, Haralson, Polk2 hr
Nov 14, 11:19 PM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Baker, Ben Hill, Berrien and 49 more86 min
Nov 15, 2:23 AM ESTMesoscale DiscussionSPCAppling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 24 more67 min
Nov 14, 11:53 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 33 more2 hr
Nov 15, 12:24 AM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chatham, Chowan and 41 more9 hr
Nov 15, 3:10 AM ESTMesoscale DiscussionSPCAnson, Beaufort, Bertie, Bladen, Brunswick, Camden and 40 more95 min
Nov 15, 4:10 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 26 more65 min
Nov 15, 7:09 AM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 14 more66 min
Nov 15, 11:07 AM ESTMesoscale DiscussionSPCBertie, Chowan, Edgecombe, Franklin, Gates, Granville and 12 more53 min
Nov 15, 12:29 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Columbus, Craven and 27 more61 min
Nov 15, 1:25 PM ESTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 33 more7 hr
Nov 15, 6:15 PM ESTMesoscale DiscussionSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 13 more2 hr

Nearby

Tornado Watches in South Carolina, 2008Tornado Watches in North Carolina, 2008Every tornado watch in 2008

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.