Alert archive / Virginia / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 724
The Storm Prediction Center issued this severe thunderstorm watch at Aug 16, 2005, 3:55 PM EDT for Saint Mary's County, Maryland; 13 counties in North Carolina; 63 counties in Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 16, 2005, 3:55 PM EDT (19:55 UTC)
- Expired
- Aug 16, 2005, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 77 counties
Saint Mary's County, MD, Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Granville County, NC, Halifax County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Vance County, NC, Warren County, NC, 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, Culpeper County, 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, Madison 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
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 |
|---|---|---|---|---|
| Aug 16, 4:51 PM EDT | Severe Thunderstorm Warning | RNK | Buckingham | 39 min |
| Aug 16, 5:10 PM EDT | Severe Thunderstorm Warning | AKQ | Cumberland | 65 min |
| Aug 16, 5:31 PM EDT | Severe Thunderstorm Warning | AKQ | Amelia, Powhatan | 61 min |
| Aug 16, 6:11 PM EDT | Severe Thunderstorm Warning | AKQ | Northampton | 34 min |
| Aug 16, 6:12 PM EDT | Severe Thunderstorm Warning | AKQ | Lunenburg | 48 min |
| Aug 16, 6:24 PM EDT | Severe Thunderstorm Warning | AKQ | Chesterfield | 36 min |
| Aug 16, 7:50 PM EDT | Severe Thunderstorm Warning | RAH | Halifax | 19 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 7.9 hours before the alert went out and 169 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
- 1568 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 545 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | Alleghany, Ashe, Caswell, Person, Rockingham, Stokes and 1 more | 8 hr |
| Aug 16, 3:09 PM EDT | Mesoscale Discussion | SPC | Bertie, Camden, Chowan, Currituck, Edgecombe, Gates and 8 more | 36 min |
| Aug 16, 5:02 PM EDT | Mesoscale Discussion | SPC | Alleghany, Ashe, Caswell, Person, Rockingham, Stokes and 1 more | 58 min |
| Aug 16, 7:57 PM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Bertie, Buncombe, Burke, Caldwell and 34 more | 93 min |
| Aug 16, 1:13 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amherst, Appomattox, Augusta, Bath and 38 more | 62 min |
| Aug 16, 6:21 PM EDT | Mesoscale Discussion | SPC | Amelia, Brunswick, Caroline, Charles City, Chesterfield, Dinwiddie and 41 more | 84 min |
Nearby
Severe Thunderstorm Watches in Virginia, 2005Severe Thunderstorm Watches in North Carolina, 2005Severe Thunderstorm Watches in Maryland, 2005Every severe thunderstorm watch in 2005
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.