Alert archive / North Carolina / Tornado Watches in 2007
Tornado Watch 8
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.
- 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
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.
...EVANSSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 12:41 PM EST | Tornado Watch | SPC | Cabarrus, Cleveland, Gaston, Lincoln, Mecklenburg, Union | 8 hr |
| Jan 5, 3:04 PM EST | Mesoscale Discussion | SPC | Cleveland, Gaston, Mecklenburg, Union | 86 min |
| Jan 5, 4:20 PM EST | Mesoscale Discussion | SPC | Alamance, Catawba, Chatham, Davidson, Davie, Forsyth and 13 more | 85 min |
| Jan 5, 12:06 PM EST | Mesoscale Discussion | SPC | Abbeville, Anderson, Chester, Fairfield, Greenville, Greenwood and 8 more | |
| Jan 5, 2:16 PM EST | Mesoscale Discussion | SPC | Allendale, Beaufort, Colleton, Dorchester, Hampton, Jasper | 119 min |
| Jan 5, 4:26 PM EST | Mesoscale Discussion | SPC | Allendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more | 34 min |
| Jan 5, 4:35 PM EST | Tornado Watch | SPC | Allendale, Beaufort, Berkeley, Charleston, Colleton, Dorchester and 2 more | 7 hr |
| Jan 5, 6:35 PM EST | Mesoscale Discussion | SPC | Allendale, Bamberg, Beaufort, Berkeley, Calhoun, Charleston and 11 more | 85 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.