Alert archive / North Carolina / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 697
The Storm Prediction Center issued this severe thunderstorm watch at Aug 18, 2000, 3:45 PM EDT for 23 counties in North Carolina. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2000, 3:45 PM EDT (19:45 UTC)
- Expired
- Aug 18, 2000, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Alamance County, NC, Bladen County, NC, Chatham County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Franklin County, NC, Granville County, NC, Greene County, NC, Harnett County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Lenoir County, NC, Moore County, NC, Nash County, NC, Orange County, NC, Robeson County, NC, Sampson County, NC, Vance County, NC, Wake County, NC, Wayne County, NC, Wilson County, NC
Warnings issued inside it
24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 4:15 PM EDT | Severe Thunderstorm Warning | RAH | Alamance | 30 min |
| Aug 18, 4:23 PM EDT | Tornado Warning | RAH | Alamance | 37 min |
| Aug 18, 4:42 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Orange | 33 min |
| Aug 18, 4:50 PM EDT | Severe Thunderstorm Warning | RAH | Durham, Granville, Wake | 40 min |
| Aug 18, 4:50 PM EDT | Severe Thunderstorm Warning | RAH | Franklin | 40 min |
| Aug 18, 4:51 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Sampson | 24 min |
| Aug 18, 5:09 PM EDT | Severe Thunderstorm Warning | ILM | Robeson | 66 min |
| Aug 18, 5:10 PM EDT | Severe Thunderstorm Warning | RAH | Chatham, Wake | 35 min |
| Aug 18, 5:17 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Sampson | 43 min |
| Aug 18, 5:25 PM EDT | Severe Thunderstorm Warning | RAH | Moore | 50 min |
| Aug 18, 5:25 PM EDT | Severe Thunderstorm Warning | RAH | Franklin, Nash, Wake | 50 min |
| Aug 18, 5:29 PM EDT | Severe Thunderstorm Warning | RAH | Hoke | 31 min |
| Aug 18, 5:45 PM EDT | Severe Thunderstorm Warning | RAH | Harnett, Johnston | 45 min |
| Aug 18, 5:55 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Sampson | 50 min |
| Aug 18, 5:57 PM EDT | Severe Thunderstorm Warning | RAH | Edgecombe, Wilson | 48 min |
| Aug 18, 6:10 PM EDT | Severe Thunderstorm Warning | RAH | Wayne | 50 min |
| Aug 18, 6:15 PM EDT | Severe Thunderstorm Warning | ILM | Robeson | 30 min |
| Aug 18, 6:28 PM EDT | Severe Thunderstorm Warning | ILM | Bladen | 62 min |
| Aug 18, 6:43 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Hoke, Sampson | 32 min |
| Aug 18, 6:44 PM EDT | Severe Thunderstorm Warning | ILM | Robeson | 61 min |
| Aug 18, 7:05 PM EDT | Severe Thunderstorm Warning | MHX | Lenoir | 25 min |
| Aug 18, 7:12 PM EDT | Severe Thunderstorm Warning | RAH | Sampson | 33 min |
| Aug 18, 7:13 PM EDT | Severe Thunderstorm Warning | MHX | Duplin | 32 min |
| Aug 18, 7:49 PM EDT | Severe Thunderstorm Warning | RAH | Cumberland, Hoke | 31 min |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 7.8 hours before the alert went out and 107 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
- 1062 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1066 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
692 WWUS9 KMKC 181925 SEL7 MKC WW 181917 NCZ000-190200- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 697 STORM PREDICTION CENTER NORMAN OK 317 PM EDT FRI AUG 18 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTHEASTERN NORTH CAROLINA EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 345 PM UNTIL 1000 PM EDT. HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES EITHER SIDE OF A LINE FROM 5 MILES SOUTHWEST OF SOUTHERN PINES NORTH CAROLINA TO 5 MILES EAST SOUTHEAST OF ROCKY MOUNT NORTH CAROLINA. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR 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 696... DISCUSSION...UPPER TROUGH APPROACHING WATCH AREA WHERE AIR MASS VERY UNSTABLE WITH CAPES NEAR 4000 J/KG. 40 KT FLOW AND DRY AIR INTRUSION AT MID LEVELS WILL SUPPORT PRODUCTION OF SCATTERED DAMAGING MOIST DOWNBURSTS AND A FEW MARGINALLY SEVERE HAILSTONES. AVIATION...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 500. MEAN STORM MOTION VECTOR 27035. ...ROGASH 355,0795 363,0781 350,0772 342,0790
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Anson, Cabarrus, Cleveland, Davidson, Gaston, Lincoln and 8 more | 6 hr |
| Aug 18, 6:00 PM EDT | Severe Thunderstorm Watch | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 14 more | 5 hr |
| Aug 18, 6:15 PM EDT | Severe Thunderstorm Watch | SPC | Bladen, Brunswick, Columbus, New Hanover, Onslow, Pender | 5 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2000Every severe thunderstorm watch in 2000
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.