Alert archive / North Carolina / Tornado Watches in 2005

Tornado Watch 15

January 13, 200535 counties in North Carolina; 10 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jan 13, 2005, 11:40 PM EST for 35 counties in North Carolina; 10 counties in South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jan 13, 2005, 11:40 PM EST (04:40 UTC)
Expired
Jan 14, 2005, 5:00 AM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 45 counties

Alamance County, NC, Anson County, NC, Cabarrus County, NC, Caswell County, NC, Chatham County, NC, Cumberland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Gaston County, NC, Granville County, NC, Guilford County, NC, Harnett County, NC, Hoke County, NC, Iredell County, NC, Lee County, NC, Mecklenburg County, NC, Montgomery County, NC, Moore County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Rockingham County, NC, Rowan County, NC, Scotland County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Union County, NC, Vance County, NC, Wake County, NC, Yadkin County, NC, Chester County, SC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Fairfield County, SC, Kershaw County, SC, Lancaster County, SC, Marlboro County, SC, Newberry County, SC, York County, SC

The radar

The Columbia radar (KCAE), 155 km from the middle of the area, began a volume at 04:40 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 13, 11:42 PM ESTTornado WarningRNKYadkin175 days
Jan 13, 11:57 PM ESTTornado WarningRNKYadkin175 days
Jan 14, 12:43 AM ESTSevere Thunderstorm WarningCAEAiken, Fairfield, Richland39 days
Jan 14, 12:46 AM ESTSevere Thunderstorm WarningGSPMecklenburg44 min
Jan 14, 12:58 AM ESTFlash Flood WarningRNKSurry2 hr
Jan 14, 1:09 AM ESTSevere Thunderstorm WarningGSPCabarrus, Rowan51 min
Jan 14, 1:14 AM ESTSevere Thunderstorm WarningRNKSurry, Yadkin69 days
Jan 14, 1:37 AM ESTSevere Thunderstorm WarningRAHStanly53 days
Jan 14, 1:37 AM ESTSevere Thunderstorm WarningRAHDavidson53 min
Jan 14, 1:41 AM ESTSevere Thunderstorm WarningRAHForsyth64 min
Jan 14, 1:46 AM ESTSevere Thunderstorm WarningRAHStanly59 min
Jan 14, 1:46 AM ESTSevere Thunderstorm WarningRAHGuilford53 days
Jan 14, 1:50 AM ESTSevere Thunderstorm WarningRAHAnson55 min
Jan 14, 2:09 AM ESTSevere Thunderstorm WarningRAHRandolph36 min
Jan 14, 2:41 AM ESTSevere Thunderstorm WarningRAHMontgomery19 min
Jan 14, 4:07 AM ESTSevere Thunderstorm WarningRAHChatham23 min
Jan 14, 4:27 AM ESTSevere Thunderstorm WarningRAHOrange33 min
Jan 14, 4:34 AM ESTTornado WarningRAHOrange26 min
Jan 14, 4:47 AM ESTTornado WarningRAHDurham13 min
Jan 14, 4:53 AM ESTTornado WarningRAHGranville, Person37 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.7 hours before the alert went out and 108 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, Greensboro/Hi Pt, NC at 00:00Z on 2005-01-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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, Greensboro/Hi Pt, NC at 00:00Z on 2005-01-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
196 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
495 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 140447
SEL5  
SPC WW 140440
NCZ000-SCZ000-141000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 15
NWS STORM PREDICTION CENTER NORMAN OK
1140 PM EST THU JAN 13 2005

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

       CENTRAL NORTH CAROLINA
       NORTH CENTRAL SOUTH CAROLINA

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 1140 PM
UNTIL 500 AM EST.

TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES NORTHEAST OF GREENSBORO NORTH CAROLINA TO
75 MILES SOUTH SOUTHEAST OF CHARLOTTE NORTH CAROLINA.

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 14. WATCH NUMBER 14 WILL NOT BE IN EFFECT AFTER 1140
PM EST. 

DISCUSSION...DESPITE LIMITED INSTABILITY IN PLACE ACROSS THE
CENTRAL/ERN CAROLINAS...ENVIRONMENT IS STILL SUPPORTING AN ACTIVE
LINE OF THUNDERSTORMS ACROSS WRN NC AND NWRN SC ATTM.  EXTREME SHEAR
AND AN UNSEASONABLY WARM/MOIST BOUNDARY LAYER IN PLACE SUGGEST A
THREAT OF ISOLATED TORNADOES AND/OR WIND DAMAGE WILL PERSIST WITH
THIS ACTIVITY AS IT MOVES QUICKLY NEWD ACROSS WW OVERNIGHT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 22035.


...EVANS

363,0780 341,0791 341,0814 363,0803

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 13, 7:48 PM ESTMesoscale DiscussionSPCAlexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 9 more87 min
Jan 13, 9:41 PM ESTMesoscale DiscussionSPCAlexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 8 more94 min
Jan 13, 10:58 PM ESTMesoscale DiscussionSPCAlamance, Alexander, Anson, Cabarrus, Caldwell, Caswell and 27 more62 min
Jan 14, 2:26 AM ESTMesoscale DiscussionSPCAlamance, Anson, Bladen, Caswell, Chatham, Columbus and 34 more94 min
Jan 14, 3:56 AM ESTMesoscale DiscussionSPCBladen, Chatham, Columbus, Cumberland, Duplin, Durham and 24 more64 min
Jan 14, 5:00 AM ESTTornado WatchSPCBertie, Camden, Chowan, Edgecombe, Franklin, Gates and 12 more6 hr
Jan 14, 7:05 AM ESTMesoscale DiscussionSPCBertie, Camden, Chowan, Currituck, Dare, Edgecombe and 11 more85 min
Jan 14, 10:23 AM ESTMesoscale DiscussionSPCCraven67 min

Nearby

Tornado Watches in North Carolina, 2005Tornado Watches in South Carolina, 2005Every tornado watch in 2005

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.