Alert archive / Virginia / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 316

May 19, 2000Saint Mary's County, Somerset County, Worcester County, Maryland; 62 counties in Virginia

The Storm Prediction Center issued this severe thunderstorm watch at May 19, 2000, 3:00 PM EDT for Saint Mary's County, Somerset County, Worcester County, Maryland; 62 counties in Virginia. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 19, 2000, 3:00 PM EDT (19:00 UTC)
Expired
May 19, 2000, 8:00 PM EDT
In force
5 hr
Issued by
the Storm Prediction Center
All 65 counties

Saint Mary's County, MD, Somerset County, MD, Worcester County, MD, Accomack County, VA, Albemarle County, VA, Amelia County, VA, Brunswick County, VA, Buckingham County, VA, Caroline County, VA, Charles City County, VA, Charlotte County, VA, Chesterfield County, VA, City of Charlottesville, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Fredericksburg, VA, City of Hampton, VA, City of Hopewell, VA, City of Newport News, VA, City of Norfolk, VA, City of Petersburg, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Richmond, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fluvanna County, VA, Gloucester County, VA, Goochland County, VA, Greene County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King George County, VA, King William County, VA, Lancaster County, VA, Louisa County, VA, Lunenburg County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Nottoway County, VA, Orange County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Spotsylvania County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 79 km from the middle of the area, began a volume at 18:59 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

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

IssuedProductOfficeCountiesLasted
May 19, 3:01 PM EDTSevere Thunderstorm WarningLWXAlbemarle, City of Charlottesville44 min
May 19, 3:08 PM EDTSevere Thunderstorm WarningAKQLouisa42 min
May 19, 3:33 PM EDTTornado WarningAKQLouisa32 min
May 19, 3:36 PM EDTSevere Thunderstorm WarningLWXSpotsylvania24 min
May 19, 3:42 PM EDTSevere Thunderstorm WarningAKQHanover43 min
May 19, 4:03 PM EDTSevere Thunderstorm WarningAKQFluvanna, Goochland52 min
May 19, 4:22 PM EDTSevere Thunderstorm WarningAKQHanover43 min
May 19, 4:27 PM EDTTornado WarningAKQHanover33 min
May 19, 4:32 PM EDTSevere Thunderstorm WarningAKQKing William33 min
May 19, 4:44 PM EDTSevere Thunderstorm WarningRNKAmherst, Appomattox, Buckingham46 min
May 19, 4:51 PM EDTSevere Thunderstorm WarningAKQCumberland, Powhatan29 min
May 19, 4:54 PM EDTSevere Thunderstorm WarningAKQKing William, New Kent41 min
May 19, 5:14 PM EDTSevere Thunderstorm WarningAKQJames City, City of Williamsburg41 min
May 19, 5:35 PM EDTSevere Thunderstorm WarningAKQGloucester, King and Queen40 min
May 19, 5:53 PM EDTSevere Thunderstorm WarningAKQMathews32 min
May 19, 6:09 PM EDTSevere Thunderstorm WarningAKQAmelia31 min
May 19, 6:19 PM EDTSevere Thunderstorm WarningAKQPrince Edward31 min
May 19, 6:27 PM EDTSevere Thunderstorm WarningAKQNorthampton33 min
May 19, 6:39 PM EDTSevere Thunderstorm WarningAKQNottoway31 min
May 19, 6:52 PM EDTSevere Thunderstorm WarningAKQAmelia, Chesterfield28 min

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 7.0 hours before the alert went out and 146 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-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2000-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2000-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
86 J/kg
Mixed-layer CIN
-250 J/kg
Mixed-layer LCL
1351 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 2:00 PM EDTSevere Thunderstorm WatchSPCAlleghany, Amherst, Appomattox, Augusta, Bath, Bedford and 41 more5 hr

Nearby

Severe Thunderstorm Watches in Virginia, 2000Severe Thunderstorm Watches in Maryland, 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.