Alert archive / Virginia / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 149
The Storm Prediction Center issued this severe thunderstorm watch at May 2, 2004, 5:45 PM EDT for Charles County, Prince George's County, Maryland; Gates County, North Carolina; 73 counties in Virginia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 2, 2004, 5:45 PM EDT (21:45 UTC)
- Expired
- May 2, 2004, 11:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 76 counties
Charles County, MD, Prince George's County, MD, Gates County, NC, Albemarle County, VA, Amelia County, VA, Amherst County, VA, Appomattox County, VA, Arlington County, VA, Augusta 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 Colonial Heights, VA, City of Emporia, VA, City of Fairfax, VA, City of Falls Church, VA, City of Franklin, VA, City of Fredericksburg, VA, City of Harrisonburg, VA, City of Hopewell, VA, City of Lynchburg, VA, City of Manassas, VA, City of Manassas Park, VA, City of Petersburg, VA, City of Richmond, VA, City of Staunton, VA, City of Waynesboro, VA, City of Williamsburg, VA, Culpeper County, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fairfax County, VA, Fauquier County, VA, Fluvanna 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, Louisa County, VA, Lunenburg County, VA, Madison County, VA, Mecklenburg County, VA, Nelson County, VA, New Kent County, VA, Nottoway County, VA, Orange County, VA, Page County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Prince William County, VA, Rappahannock County, VA, Richmond County, VA, Rockingham County, VA, Shenandoah County, VA, Southampton County, VA, Spotsylvania County, VA, Stafford County, VA, Surry County, VA, Sussex County, VA, Warren County, VA, Westmoreland County, VA
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 6:14 PM EDT | Severe Thunderstorm Warning | AKQ | Lunenburg, Prince Edward | 26 min |
| May 2, 6:20 PM EDT | Severe Thunderstorm Warning | RNK | Charlotte, Halifax | 40 min |
| May 2, 6:27 PM EDT | Severe Thunderstorm Warning | AKQ | Mecklenburg | 28 min |
| May 2, 6:29 PM EDT | Severe Thunderstorm Warning | AKQ | Nottoway | 26 min |
| May 2, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Albemarle, City of Charlottesville | 63 min |
| May 2, 6:51 PM EDT | Severe Thunderstorm Warning | LWX | Greene, Rockingham, City of Harrisonburg | 54 min |
| May 2, 6:53 PM EDT | Severe Thunderstorm Warning | LWX | Rappahannock | 52 min |
| May 2, 7:09 PM EDT | Severe Thunderstorm Warning | LWX | Madison, Orange | 66 min |
| May 2, 7:23 PM EDT | Tornado Warning | LWX | Madison | 37 min |
| May 2, 7:32 PM EDT | Severe Thunderstorm Warning | LWX | Culpeper | 58 min |
| May 2, 7:38 PM EDT | Severe Thunderstorm Warning | LWX | Fauquier | 52 min |
| May 2, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Rappahannock | 61 min |
| May 2, 8:08 PM EDT | Severe Thunderstorm Warning | LWX | Prince William, City of Manassas, City of Manassas Park | 67 min |
| May 2, 8:33 PM EDT | Severe Thunderstorm Warning | LWX | Fairfax, City of Fairfax | 72 min |
| May 2, 9:16 PM EDT | Severe Thunderstorm Warning | LWX | Howard, Prince George's | 44 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.8 hours before the alert went out and 116 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
- 44 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 134 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 |
|---|---|---|---|---|
| May 2, 1:21 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 114 min |
| May 2, 3:20 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Frederick, Washington | 6 hr |
| May 2, 5:48 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Frederick, Howard, Montgomery, Prince George's and 1 more | 117 min |
| May 2, 7:24 PM EDT | Mesoscale Discussion | SPC | Charles, Prince George's | 2 hr |
| May 2, 12:33 PM EDT | Mesoscale Discussion | SPC | Anson, Cumberland, Hoke, Montgomery, Moore, Richmond and 3 more | 117 min |
| May 2, 3:26 PM EDT | Mesoscale Discussion | SPC | Anson, Chatham, Cumberland, Harnett, Hoke, Johnston and 11 more | 2 hr |
| May 2, 4:50 PM EDT | Severe Thunderstorm Watch | SPC | Alamance, Bladen, Chatham, Columbus, Cumberland, Durham and 16 more | 5 hr |
| May 2, 7:23 PM EDT | Mesoscale Discussion | SPC | Beaufort, Bertie, Bladen, Brunswick, Columbus, Craven and 24 more | 67 min |
Nearby
Severe Thunderstorm Watches in Virginia, 2004Severe Thunderstorm Watches in Maryland, 2004Severe Thunderstorm Watches in North Carolina, 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.