Alert archive / Virginia / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 437
The Storm Prediction Center issued this severe thunderstorm watch at Jun 11, 2004, 4:30 PM EDT for 16 counties in Kentucky; 100 counties in Virginia; 13 counties in West Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2004, 4:30 PM EDT (20:30 UTC)
- Expired
- Jun 11, 2004, 10:00 PM EDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 129 counties
Breathitt County, KY, Elliott County, KY, Floyd County, KY, Harlan County, KY, Johnson County, KY, Knott County, KY, Lawrence County, KY, Leslie County, KY, Letcher County, KY, Magoffin County, KY, Martin County, KY, Morgan County, KY, Perry County, KY, Pike County, KY, Rowan County, KY, Wolfe County, KY, Albemarle County, VA, Alleghany County, VA, Amelia County, VA, Amherst County, VA, Appomattox County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Brunswick County, VA, Buchanan County, VA, Buckingham County, VA, Campbell County, VA, Caroline County, VA, Carroll County, VA, Charles City County, VA, Charlotte County, VA, Chesterfield County, VA, City of Buena Vista, VA, City of Charlottesville, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Covington, VA, City of Danville, VA, City of Emporia, VA, City of Franklin, VA, City of Galax, VA, City of Hampton, VA, City of Hopewell, VA, City of Lexington, VA, City of Lynchburg, VA, City of Martinsville, VA, City of Newport News, VA, City of Norfolk, VA, City of Norton, VA, City of Petersburg, VA, City of Poquoson, VA, City of Portsmouth, VA, City of Radford, VA, City of Richmond, VA, City of Roanoke, VA, City of Salem, VA, City of Suffolk, VA, City of Virginia Beach, VA, City of Waynesboro, VA, City of Williamsburg, VA, Craig County, VA, Cumberland County, VA, Dickenson County, VA, Dinwiddie County, VA, Essex County, VA, Floyd County, VA, Fluvanna County, VA, Franklin County, VA, Giles County, VA, Gloucester County, VA, Goochland County, VA, Grayson County, VA, Greensville County, VA, Halifax County, VA, Hanover County, VA, Henrico County, VA, Henry County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Lee County, VA, Louisa County, VA, Lunenburg County, VA, Mathews County, VA, Mecklenburg County, VA, Middlesex County, VA, Montgomery County, VA, Nelson County, VA, New Kent County, VA, Northumberland County, VA, Nottoway County, VA, Patrick County, VA, Pittsylvania County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Pulaski County, VA, Richmond County, VA, Roanoke County, VA, Rockbridge County, VA, Russell County, VA, Scott County, VA, Smyth County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Tazewell County, VA, Washington County, VA, Westmoreland County, VA, Wise County, VA, Wythe County, VA, York County, VA, Boone County, WV, Fayette County, WV, Greenbrier County, WV, Lincoln County, WV, Logan County, WV, McDowell County, WV, Mercer County, WV, Mingo County, WV, Monroe County, WV, Raleigh County, WV, Summers County, WV, Wayne County, WV, Wyoming County, WV
The radar
The Roanoke radar (KFCX), 61 km from the middle of the area, began a volume at 20:29 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 4:39 PM EDT | Severe Thunderstorm Warning | AKQ | Fluvanna | 36 min |
| Jun 11, 4:40 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh | 35 min |
| Jun 11, 4:43 PM EDT | Severe Thunderstorm Warning | MRX | Washington | 47 min |
| Jun 11, 4:46 PM EDT | Tornado Warning | AKQ | Fluvanna | 14 min |
| Jun 11, 4:59 PM EDT | Severe Thunderstorm Warning | RNK | Buckingham | 46 min |
| Jun 11, 5:07 PM EDT | Severe Thunderstorm Warning | RNK | Greenbrier, Summers | 53 min |
| Jun 11, 5:12 PM EDT | Severe Thunderstorm Warning | RLX | Fayette, Raleigh | 33 min |
| Jun 11, 5:50 PM EDT | Severe Thunderstorm Warning | AKQ | Cumberland, Prince Edward | 40 min |
| Jun 11, 5:50 PM EDT | Severe Thunderstorm Warning | RNK | Alleghany, City of Covington | 25 min |
| Jun 11, 6:21 PM EDT | Severe Thunderstorm Warning | AKQ | Nottoway | 24 min |
| Jun 11, 6:30 PM EDT | Severe Thunderstorm Warning | AKQ | Chesterfield | 45 min |
| Jun 11, 6:33 PM EDT | Severe Thunderstorm Warning | RNK | Amherst | 27 min |
| Jun 11, 6:45 PM EDT | Severe Thunderstorm Warning | RNK | Pulaski, City of Radford | 30 min |
| Jun 11, 6:51 PM EDT | Severe Thunderstorm Warning | AKQ | Brunswick | 39 min |
| Jun 11, 7:45 PM EDT | Severe Thunderstorm Warning | AKQ | Greensville, City of Emporia | 30 min |
| Jun 11, 7:56 PM EDT | Severe Thunderstorm Warning | AKQ | Southampton | 34 min |
| Jun 11, 8:04 PM EDT | Severe Thunderstorm Warning | JKL | Letcher | 56 min |
| Jun 11, 8:35 PM EDT | Severe Thunderstorm Warning | AKQ | Brunswick, Lunenburg | 40 min |
| Jun 11, 8:48 PM EDT | Severe Thunderstorm Warning | AKQ | Mecklenburg | 12 min |
| Jun 11, 9:06 PM EDT | Severe Thunderstorm Warning | AKQ | Greensville, City of Emporia | 24 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, 8.5 hours before the alert went out and 97 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
- 1071 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 107 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 |
|---|---|---|---|---|
| Jun 11, 2:58 AM EDT | Mesoscale Discussion | SPC | Boone, Campbell, Carroll, Gallatin, Kenton | 92 min |
| Jun 11, 11:52 AM EDT | Mesoscale Discussion | SPC | Bath, Boone, Bourbon, Boyd, Bracken, Campbell and 28 more | 113 min |
| Jun 11, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | Bath, Boone, Bourbon, Boyd, Bracken, Campbell and 35 more | 5 hr |
| Jun 11, 7:02 PM EDT | Mesoscale Discussion | SPC | Floyd, Harlan, Knott, Letcher, Magoffin, Perry and 1 more | 118 min |
| Jun 11, 4:16 PM EDT | Mesoscale Discussion | SPC | Albemarle, Alleghany, Amelia, Amherst, Appomattox, Augusta and 72 more | 89 min |
Nearby
Severe Thunderstorm Watches in Virginia, 2004Severe Thunderstorm Watches in Kentucky, 2004Severe Thunderstorm Watches in West Virginia, 2004Every severe thunderstorm watch in 2004
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.