Alert archive / North Carolina / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 413

June 3, 200040 counties in North Carolina; 4 counties in Tennessee; 16 counties in Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Jun 3, 2000, 2:45 PM EDT for 40 counties in North Carolina; 4 counties in Tennessee; 16 counties in Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Jun 3, 2000, 2:45 PM EDT (18:45 UTC)
Expired: Jun 3, 2000, 8:00 PM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 60 counties

Alamance County, NC, 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, Madison County, NC, McDowell County, NC, Mecklenburg County, NC, Mitchell County, NC, Person County, NC, Polk County, NC, Randolph 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, Unicoi County, TN, Washington County, TN, Carroll County, VA, Charlotte County, 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, Lunenburg County, VA, Patrick County, VA, Pittsylvania County, VA, Pulaski County, VA, Smyth County, VA, Wythe County, VA

The radar

The Greer radar (KGSP), 133 km from the middle of the area, began a volume at 18:48 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

11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 3, 2:57 PM EDT	Severe Thunderstorm Warning	RNK	Surry, Yadkin	33 min
Jun 3, 3:11 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	49 min
Jun 3, 3:50 PM EDT	Severe Thunderstorm Warning	RNK	Surry	40 min
Jun 3, 4:12 PM EDT	Severe Thunderstorm Warning	GSP	McDowell	48 min
Jun 3, 4:15 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	60 min
Jun 3, 4:59 PM EDT	Severe Thunderstorm Warning	RAH	Forsyth	31 min
Jun 3, 5:13 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	32 min
Jun 3, 5:17 PM EDT	Severe Thunderstorm Warning	RAH	Guilford, Randolph	43 min
Jun 3, 5:26 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	34 min
Jun 3, 5:50 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Franklin	40 min
Jun 3, 6:13 PM EDT	Severe Thunderstorm Warning	GSP	Lincoln	47 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.8 hours before the alert went out and 148 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 342 J/kg
Mixed-layer CIN: -163 J/kg
Mixed-layer LCL: 1525 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -15 m²/s²
0-3 km storm-relative helicity: 84 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 
WWUS9 KMKC 031823
MKC WW 031823
NCZ000-VAZ000-040000-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 413
STORM PREDICTION CENTER NORMAN OK
223 PM EDT SAT JUN 3 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   WESTERN NORTH CAROLINA                     
   SOUTHWESTERN VIRGINIA                           

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 800
PM EDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 100 STATUTE MILES
EAST AND WEST OF A LINE FROM 25 MILES SOUTHEAST OF ASHEVILLE NORTH
CAROLINA TO 40 MILES NORTH 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.


DISCUSSION...THUNDERSTORMS WILL INCREASE OVER WATCH AREA NEAR/ALONG
WEAK SURFACE BOUNDARIES AS AIR MASS VERY UNSTABLE WITH MUCAPES
AROUND 3000 TO 4000 J/KG. ALTHOUGH WIND SHEAR IS WEAK...HIGH
INSTABILITY AND MID LEVEL DRY LAYER INDICATE POTENTIAL FOR WIDELY
SCATTERED PULSE SEVERE THUNDERSTORMS WITH DAMAGING MICROBURSTS AND
LARGE HAIL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 25025.

...ROGASH

;370,0774 350,0802 350,0840 370,0812;

Nearby

Severe Thunderstorm Watches in North Carolina, 2000 Severe Thunderstorm Watches in Virginia, 2000 Severe Thunderstorm Watches in Tennessee, 2000 Every 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.