Alert archive / North Carolina / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 384
The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2000, 9:00 PM EDT for 38 counties in North Carolina; 5 counties in Tennessee; 17 counties in Virginia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 27, 2000, 9:00 PM EDT (01:00 UTC)
- Expired
- May 28, 2000, 2:00 AM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 60 counties
Alexander County, NC, Alleghany County, NC, Ashe County, NC, Avery County, NC, Buncombe County, NC, Burke County, NC, Cabarrus County, NC, Caldwell County, NC, Caswell County, NC, Catawba County, NC, Cleveland County, NC, Davidson County, NC, Davie County, NC, Forsyth County, NC, Gaston County, NC, Guilford County, NC, Haywood County, NC, Henderson County, NC, Iredell County, NC, Jackson County, NC, Lincoln County, NC, Macon County, NC, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Polk County, NC, Rockingham County, NC, Rowan County, NC, Rutherford County, NC, Stokes County, NC, Surry County, NC, Swain County, NC, Transylvania County, NC, Watauga County, NC, Wilkes County, NC, Yadkin County, NC, Yancey County, NC, Carter County, TN, Johnson County, TN, Sullivan County, TN, Unicoi County, TN, Washington County, TN, Carroll County, VA, Charlotte County, VA, City of Bristol, VA, City of Danville, VA, City of Galax, VA, City of Martinsville, VA, Floyd County, VA, Franklin County, VA, Grayson County, VA, Halifax County, VA, Henry County, VA, Patrick County, VA, Pittsylvania County, VA, Pulaski County, VA, Smyth County, VA, Washington County, VA, Wythe County, VA
The radar
The Greer radar (KGSP), 120 km from the middle of the area, began a volume at 01:02 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 9:00 PM EDT | Severe Thunderstorm Warning | MRX | Sullivan | 30 min |
| May 27, 9:10 PM EDT | Severe Thunderstorm Warning | MRX | Washington, City of Bristol | 50 min |
| May 27, 9:20 PM EDT | Severe Thunderstorm Warning | RNK | Caswell | 40 min |
| May 27, 9:29 PM EDT | Severe Thunderstorm Warning | MRX | Johnson, Sullivan | 46 min |
| May 27, 9:36 PM EDT | Severe Thunderstorm Warning | MRX | Unicoi, Washington | 29 min |
| May 27, 9:52 PM EDT | Severe Thunderstorm Warning | MRX | Carter | 43 min |
| May 27, 10:23 PM EDT | Severe Thunderstorm Warning | MRX | Johnson | 37 min |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.0 hours before the alert went out and 168 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
- 921 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 1477 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 292 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
783 WWUS9 KMKC 280044 SEL4 MKC WW 280044 NCZ000-VAZ000-280600- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 384 STORM PREDICTION CENTER NORMAN OK 844 PM EDT SAT MAY 27 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WESTERN NORTH CAROLINA SOUTHWEST AND SOUTH CENTRAL VIRGINIA EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 900 PM UNTIL 200 AM EDT. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH SOUTHEAST OF ASHEVILLE NORTH CAROLINA TO 50 MILES NORTHWEST OF DANVILLE VIRGINIA. 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...THIS SEVERE THUNDERSTORM WATCH REPLACES TORNADO WATCH NUMBER 376. WATCH NUMBER 376 WILL NOT BE IN EFFECT AFTER 900 PM EDT. CONTINUE...WW 377...WW 378...WW 379...WW 380...WW 381...WW 382...WW 383... DISCUSSION...LINE OF STRONG/SEVERE STORMS OVER EASTERN TN IS EXPECTED TO CONTINUE MOVING EWD ACROSS THE MOUNTAINS IN ASSOCIATION WITH MID LEVEL JET STREAK. AIR MASS REMAINS VERY UNSTABLE OVER WRN NC WITH MUCAPE OF 2500-3500 J/KG. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 27040. ...WEISS 350,0840 370,0813 370,0780 350,0804
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 9:00 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Bertie, Camden, Chowan, Currituck, Durham and 15 more | 5 hr |
| May 28, 12:30 PM EDT | Tornado Watch | SPC | Beaufort, Bertie, Bladen, Brunswick, Carteret, Chowan and 29 more | 6 hr |
| May 28, 4:00 PM EDT | Severe Thunderstorm Watch | SPC | Alexander, Alleghany, Anson, Ashe, Avery, Buncombe and 40 more | 6 hr |
| May 28, 7:30 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Beaufort, Bertie, Carteret, Caswell, Chatham and 32 more | 6 hr |
| May 28, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Bland, Buchanan, Carroll, Dickenson, Floyd, Giles and 16 more | 6 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2000Severe Thunderstorm Watches in Virginia, 2000Severe Thunderstorm Watches in Tennessee, 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; radar from the NEXRAD Level II archive.