Alert archive / Virginia / Tornado Watches in 2007
Tornado Watch 54
The Storm Prediction Center issued this tornado watch at Mar 2, 2007, 5:10 AM EST for 9 counties in North Carolina; 49 counties in Virginia. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 2, 2007, 5:10 AM EST (10:10 UTC)
- Expired
- Mar 2, 2007, 10:53 AM EST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 58 counties
Bertie County, NC, Camden County, NC, Chowan County, NC, Currituck County, NC, Gates County, NC, Hertford County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Accomack County, VA, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, 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, Dinwiddie County, VA, Essex County, VA, Gloucester County, VA, Goochland 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 William County, VA, Lancaster 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, Powhatan County, VA, Prince George County, VA, Richmond County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA
The radar
The Norfolk radar (KAKQ), 33 km from the middle of the area, began a volume at 10:13 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
1 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 6:41 AM EST | Severe Thunderstorm Warning | AKQ | Brunswick, Dinwiddie | 64 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 00:00Z, 10.2 hours before the alert went out and 225 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
- 492 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 653 m²/s²
- 0-3 km storm-relative helicity
- 941 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 |
|---|---|---|---|---|
| Mar 2, 8:25 AM EST | Mesoscale Discussion | SPC | Somerset | 95 min |
| Mar 1, 7:59 PM EST | Mesoscale Discussion | SPC | Union | 91 min |
| Mar 1, 8:27 PM EST | Tornado Watch | SPC | Alexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 10 more | 9 hr |
| Mar 1, 11:44 PM EST | Mesoscale Discussion | SPC | Alamance, Beaufort, Bertie, Bladen, Brunswick, Caswell and 40 more | 91 min |
| Mar 2, 12:28 AM EST | Tornado Watch | SPC | Alamance, Anson, Bladen, Brunswick, Chatham, Columbus and 31 more | 8 hr |
| Mar 2, 1:45 AM EST | Mesoscale Discussion | SPC | Beaufort, Bertie, Camden, Carteret, Chowan, Craven and 19 more | 90 min |
| Mar 2, 2:45 AM EST | Tornado Watch | SPC | Beaufort, Carteret, Craven, Dare, Duplin, Greene and 10 more | 7 hr |
| Mar 2, 3:37 AM EST | Mesoscale Discussion | SPC | Bertie, Camden, Caswell, Chowan, Currituck, Durham and 16 more | 83 min |
| Mar 2, 4:13 AM EST | Mesoscale Discussion | SPC | Anson, Bladen, Brunswick, Cabarrus, Chatham, Columbus and 26 more | 62 min |
Nearby
Tornado Watches in Virginia, 2007Tornado Watches in North Carolina, 2007Every tornado watch in 2007
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.