Alert archive / Virginia / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 290

May 13, 200029 counties in North Carolina; 47 counties in Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 13, 2000, 5:15 PM EDT for 29 counties in North Carolina; 47 counties in Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: May 13, 2000, 5:15 PM EDT (21:15 UTC)
Expired: May 13, 2000, 10:00 PM EDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 76 counties

Alamance County, NC, Alexander County, NC, Cabarrus County, NC, Caswell County, NC, Catawba County, NC, Chatham County, NC, Cleveland County, NC, Davidson County, NC, Davie County, NC, Durham County, NC, Forsyth County, NC, Gaston County, NC, Granville County, NC, Guilford County, NC, Iredell County, NC, Lincoln County, NC, Mecklenburg County, NC, Montgomery County, NC, Orange County, NC, Person County, NC, Randolph County, NC, Rockingham County, NC, Rowan County, NC, Rutherford County, NC, Stanly County, NC, Stokes County, NC, Surry County, NC, Wilkes County, NC, Yadkin County, NC, Albemarle County, VA, Amelia County, VA, Amherst County, VA, Appomattox County, VA, Augusta County, VA, Bedford County, VA, Botetourt County, VA, Buckingham County, VA, Campbell County, VA, Caroline County, VA, Charlotte County, VA, Chesterfield County, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Danville, VA, City of Fredericksburg, VA, City of Lexington, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Richmond, VA, City of Roanoke, VA, City of Salem, VA, City of Staunton, VA, City of Waynesboro, VA, Cumberland County, VA, Floyd County, VA, Fluvanna County, VA, Franklin County, VA, Goochland County, VA, Greene County, VA, Halifax County, VA, Hanover County, VA, Henry County, VA, King George County, VA, Louisa County, VA, Lunenburg County, VA, Mecklenburg County, VA, Nelson County, VA, Nottoway County, VA, Orange County, VA, Patrick County, VA, Pittsylvania County, VA, Powhatan County, VA, Prince Edward County, VA, Rockbridge County, VA, Spotsylvania County, VA, Westmoreland County, VA

The radar

The Roanoke radar (KFCX), 72 km from the middle of the area, began a volume at 21:14 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

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

Issued	Product	Office	Counties	Lasted
May 13, 5:20 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	40 min
May 13, 5:29 PM EDT	Severe Thunderstorm Warning	GSP	Catawba, Lincoln	46 min
May 13, 5:42 PM EDT	Severe Thunderstorm Warning	RNK	Franklin	63 min
May 13, 5:50 PM EDT	Severe Thunderstorm Warning	LWX	Albemarle, City of Charlottesville	40 min
May 13, 5:54 PM EDT	Severe Thunderstorm Warning	RNK	Yadkin	66 min
May 13, 5:54 PM EDT	Severe Thunderstorm Warning	RNK	Stokes	51 min
May 13, 5:55 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	65 min
May 13, 5:58 PM EDT	Severe Thunderstorm Warning	RNK	Patrick	47 min
May 13, 6:15 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna	45 min
May 13, 6:15 PM EDT	Severe Thunderstorm Warning	RNK	Bedford	60 min
May 13, 6:36 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania	54 min
May 13, 6:43 PM EDT	Severe Thunderstorm Warning	GSP	Polk, Rutherford	47 min
May 13, 6:55 PM EDT	Severe Thunderstorm Warning	AKQ	Louisa	45 min
May 13, 7:03 PM EDT	Severe Thunderstorm Warning	AKQ	Fluvanna	32 min
May 13, 7:08 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	67 min
May 13, 7:08 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	67 min
May 13, 7:10 PM EDT	Severe Thunderstorm Warning	RNK	Campbell, City of Lynchburg	35 min
May 13, 7:19 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox	56 min
May 13, 7:29 PM EDT	Severe Thunderstorm Warning	RNK	Rockingham	46 min
May 13, 7:40 PM EDT	Severe Thunderstorm Warning	GSP	Gaston	50 min
May 13, 7:53 PM EDT	Severe Thunderstorm Warning	GSP	Mecklenburg	52 min
May 13, 8:16 PM EDT	Severe Thunderstorm Warning	GSP	Cabarrus	44 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 9.3 hours before the alert went out and 38 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: 156 J/kg
Mixed-layer CIN: -398 J/kg
Mixed-layer LCL: 1391 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -115 m²/s²
0-3 km storm-relative helicity: -26 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 13, 2:45 PM EDT	Severe Thunderstorm Watch	SPC	Arlington, Clarke, Culpeper, Fairfax, Fauquier, Greene and 16 more	5 hr

Nearby

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