Alert archive / North Carolina / Tornado Watches in 2004
Tornado Watch 810
The Storm Prediction Center issued this tornado watch at Sep 7, 2004, 1:45 PM EDT for 9 counties in North Carolina; Horry County, South Carolina. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 7, 2004, 1:45 PM EDT (17:45 UTC)
- Expired
- Sep 7, 2004, 7:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
Counties Bladen County, NC, Brunswick County, NC, Columbus County, NC, Cumberland County, NC, Harnett County, NC, Hoke County, NC, Moore County, NC, Robeson County, NC, Sampson County, NC, Horry County, SC
The radar
The Wilmington radar (KLTX), 75 km from the middle of the area, began a volume at 17:46 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:55 PM EDT | Tornado Warning | ILM | Robeson | 50 min |
| Sep 7, 2:43 PM EDT | Tornado Warning | ILM | Robeson | 62 min |
| Sep 7, 3:19 PM EDT | Tornado Warning | RAH | Hoke | 41 min |
| Sep 7, 3:58 PM EDT | Tornado Warning | RAH | Hoke | 32 min |
| Sep 7, 5:20 PM EDT | Tornado Warning | ILM | Robeson | 55 min |
| Sep 7, 6:16 PM EDT | Tornado Warning | ILM | Robeson | 44 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
Newport, NC (KMHX), launched 12:00Z, 5.8 hours before the alert went out and 155 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
- 819 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 726 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 89 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 071743
SEL0
SPC WW 071745
NCZ000-CWZ000-072300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 810
NWS STORM PREDICTION CENTER NORMAN OK
145 PM EDT TUE SEP 7 2004
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
SOUTHERN NORTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 145 PM UNTIL 700
PM EDT.
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 40 STATUTE MILES EAST AND WEST
OF A LINE FROM 30 MILES NORTH OF FAYETTEVILLE NORTH CAROLINA TO 30
MILES EAST SOUTHEAST OF MYRTLE BEACH SOUTH 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...CONTINUE...WW 809...
DISCUSSION...THREAT FOR SUPERCELLS/ISOLATED TORNADOES WILL INCREASE
THIS AFTERNOON AS THE OUTER BANDS ASSOCIATED WITH FRANCES ROTATE
NEWD FROM SC INTO NC...AND ADDITIONAL STORMS FORM NEAR A WEAK
SURFACE BOUNDARY ACROSS SRN NC.
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 500.
MEAN STORM MOTION VECTOR 16025.
...THOMPSON
352,0780 332,0774 332,0790 352,0793SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 5:30 AM EDT | Mesoscale Discussion | SPC | Buncombe, Burke, Catawba, Cherokee, Clay, Cleveland and 10 more | 3 hr |
| Sep 7, 11:29 AM EDT | Mesoscale Discussion | SPC | Columbus, Robeson | 91 min |
| Sep 7, 11:55 AM EDT | Tornado Watch | SPC | Anson, Cabarrus, Cleveland, Gaston, Henderson, Mecklenburg and 8 more | 7 hr |
| Sep 7, 3:19 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Cabarrus, Cleveland, Columbus and 21 more | 116 min |
| Sep 7, 6:07 PM EDT | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Columbus, Cumberland, Hoke and 4 more | 53 min |
| Sep 7, 6:40 PM EDT | Tornado Watch | SPC | Anson, Bladen, Brunswick, Cabarrus, Cleveland, Columbus and 17 more | 6 hr |
| Sep 7, 12:30 AM EDT | Mesoscale Discussion | SPC | Aiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley and 10 more | 2 hr |
| Sep 7, 3:22 AM EDT | Mesoscale Discussion | SPC | Aiken, Allendale, Bamberg, Barnwell, Beaufort, Berkeley and 10 more | 83 min |
| Sep 7, 4:00 AM EDT | Tornado Watch | SPC | Abbeville, Aiken, Allendale, Anderson, Bamberg, Barnwell and 28 more | 10 hr |
| Sep 7, 7:34 AM EDT | Mesoscale Discussion | SPC | Abbeville, Aiken, Allendale, Anderson, Bamberg, Barnwell and 28 more | 116 min |
Nearby
Tornado Watches in North Carolina, 2004Tornado Watches in South Carolina, 2004Every tornado watch in 2004
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.