Alert archive / Virginia / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 670
The Storm Prediction Center issued this severe thunderstorm watch at Aug 9, 2000, 5:00 PM EDT for 5 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 9, 2000, 5:00 PM EDT (21:00 UTC)
- Expired
- Aug 9, 2000, 10:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 116 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Carroll County, MD, Cecil County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Wicomico County, MD, Worcester County, MD, Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Accomack County, VA, Albemarle County, VA, Amelia County, VA, Amherst County, VA, Appomattox County, VA, Arlington County, VA, Brunswick County, VA, Buckingham County, VA, Campbell County, VA, Caroline County, VA, Charles City County, VA, Charlotte County, VA, Chesterfield County, VA, City of Alexandria, VA, City of Charlottesville, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Danville, VA, City of Emporia, VA, City of Fairfax, VA, City of Falls Church, VA, City of Franklin, VA, City of Fredericksburg, VA, City of Hampton, VA, City of Hopewell, VA, City of Lynchburg, VA, City of Manassas, VA, City of Manassas Park, VA, City of Martinsville, 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 Williamsburg, VA, Clarke County, VA, Culpeper County, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fairfax County, VA, Fauquier County, VA, Fluvanna County, VA, Gloucester County, VA, Goochland County, VA, Greene County, VA, Greensville County, VA, Halifax 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, Loudoun County, VA, Louisa County, VA, Lunenburg County, VA, Madison County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, Nelson County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Nottoway County, VA, Orange County, VA, Pittsylvania County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Prince William County, VA, Rappahannock County, VA, Richmond County, VA, Southampton County, VA, Spotsylvania County, VA, Stafford County, VA, Surry County, VA, Sussex County, VA, Warren County, VA, Westmoreland County, VA, York County, VA, Jefferson County, WV
Warnings issued inside it
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:07 PM EDT | Severe Thunderstorm Warning | AKQ | Cumberland, Goochland | 23 min |
| Aug 9, 5:21 PM EDT | Severe Thunderstorm Warning | AKQ | Prince Edward | 39 min |
| Aug 9, 5:23 PM EDT | Severe Thunderstorm Warning | AKQ | Hanover | 52 min |
| Aug 9, 5:23 PM EDT | Severe Thunderstorm Warning | AKQ | Powhatan | 52 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | King George, Prince William, Stafford | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | City of Fairfax | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | City of Falls Church | 65 min |
| Aug 9, 5:25 PM EDT | Severe Thunderstorm Warning | LWX | City of Alexandria | 65 min |
| Aug 9, 5:34 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia | 26 min |
| Aug 9, 5:42 PM EDT | Severe Thunderstorm Warning | AKQ | Chesterfield, Henrico, City of Richmond | 33 min |
| Aug 9, 5:42 PM EDT | Severe Thunderstorm Warning | RNK | Halifax | 48 min |
| Aug 9, 5:49 PM EDT | Severe Thunderstorm Warning | AKQ | Lunenburg, Nottoway | 41 min |
| Aug 9, 6:01 PM EDT | Severe Thunderstorm Warning | AKQ | Dinwiddie, Prince George, City of Colonial Heights, City of Petersburg | 44 min |
| Aug 9, 6:01 PM EDT | Severe Thunderstorm Warning | AKQ | Charles City, New Kent | 44 min |
| Aug 9, 6:01 PM EDT | Severe Thunderstorm Warning | AKQ | City of Hopewell | 44 min |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.0 hours before the alert went out and 124 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1259 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 117 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 1:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Charles and 8 more | 6 hr |
| Aug 9, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 14 more | 5 hr |
| Aug 9, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | Giles | 6 hr |
| Aug 9, 10:30 AM EDT | Severe Thunderstorm Watch | SPC | Cabell, Calhoun, Clay, Jackson, Kanawha, Mason and 6 more | 6 hr |
| Aug 9, 4:15 PM EDT | Severe Thunderstorm Watch | SPC | Jackson, Wood | 6 hr |
Nearby
Severe Thunderstorm Watches in Virginia, 2000Severe Thunderstorm Watches in Maryland, 2000Severe Thunderstorm Watches in New Jersey, 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.