Alert archive / North Carolina / Tornado Watches in 2007

Tornado Watch 8

January 5, 200740 counties in North Carolina; 8 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Jan 5, 2007, 5:53 PM EST for 40 counties in North Carolina; 8 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jan 5, 2007, 5:53 PM EST (22:53 UTC)
Expired
Jan 6, 2007, 1:00 AM EST
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 48 counties

Anson County, NC, Beaufort County, NC, Bladen County, NC, Brunswick County, NC, Carteret County, NC, Chatham County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Dare County, NC, Duplin County, NC, Edgecombe County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Hyde County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, New Hanover County, NC, Onslow County, NC, Pamlico County, NC, Pender County, NC, Pitt County, NC, Randolph County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Stanly County, NC, Tyrrell County, NC, Wake County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Darlington County, SC, Dillon County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Marion County, SC, Marlboro County, SC, Williamsburg County, SC

The radar

The Raleigh/Durham radar (KRAX), 87 km from the middle of the area, began a volume at 22:56 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
40%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
70%

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 10.9 hours before the alert went out and 160 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, Newport, NC at 12:00Z on 2007-01-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 135 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, Newport, NC at 12:00Z on 2007-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
135 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000
WWUS20 KWNS 052252
SEL8  
SPC WW 052252
NCZ000-SCZ000-CWZ000-060600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 8
NWS STORM PREDICTION CENTER NORMAN OK
555 PM EST FRI JAN 5 2007

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

       CENTRAL AND EASTERN NORTH CAROLINA
       NORTHEASTERN SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 555 PM
UNTIL 100 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 APPROXIMATELY ALONG AND 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST OF
FLORENCE SOUTH CAROLINA TO 50 MILES EAST SOUTHEAST OF NEW BERN
NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).

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 5...WW 6...WW 7...

DISCUSSION...LARGE AREA OF STRONG TO SEVERE THUNDERSTORMS WILL
CONTINUE ADVANCING NEWD ACROSS WW INTO THE LATE EVENING AHEAD OF
EJECTING UPPER TROUGH.  AREA REMAINS WITHIN WARM/MOIST AIR MASS
CHARACTERIZED BY MID TO UPPER 60F SURFACE DEW POINTS.  THIS WILL
ENHANCE BOTH INSTABILITY AND THE POTENTIAL FOR ISOLATED TORNADOES AS
SHEAR REMAINS VERY STRONG.

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 24035.


...EVANS

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 5, 12:41 PM ESTTornado WatchSPCCabarrus, Cleveland, Gaston, Lincoln, Mecklenburg, Union8 hr
Jan 5, 3:04 PM ESTMesoscale DiscussionSPCCleveland, Gaston, Mecklenburg, Union86 min
Jan 5, 4:20 PM ESTMesoscale DiscussionSPCAlamance, Catawba, Chatham, Davidson, Davie, Forsyth and 13 more85 min
Jan 5, 12:06 PM ESTMesoscale DiscussionSPCAbbeville, Anderson, Chester, Fairfield, Greenville, Greenwood and 8 more
Jan 5, 2:16 PM ESTMesoscale DiscussionSPCAllendale, Beaufort, Colleton, Dorchester, Hampton, Jasper119 min
Jan 5, 4:26 PM ESTMesoscale DiscussionSPCAllendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more34 min
Jan 5, 4:35 PM ESTTornado WatchSPCAllendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more7 hr
Jan 5, 6:35 PM ESTMesoscale DiscussionSPCAllendale, Bamberg, Beaufort, Berkeley, Calhoun, Charleston and 11 more85 min

Nearby

Tornado Watches in North Carolina, 2007Tornado Watches in South Carolina, 2007Every tornado watch in 2007

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.