Alert archive / Virginia / Mesoscale Discussions in 2005
Mesoscale Discussion 1695
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2005, 4:47 PM EDT for Halifax County, Northampton County, North Carolina; 9 counties in Virginia. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2005, 4:47 PM EDT (20:47 UTC)
- Expired
- Jul 7, 2005, 6:45 PM EDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
Counties Halifax County, NC, Northampton County, NC, Amelia County, VA, Brunswick County, VA, City of Emporia, VA, Cumberland County, VA, Dinwiddie County, VA, Greensville County, VA, Lunenburg County, VA, Nottoway County, VA, Southampton County, VA
The radar
The Norfolk radar (KAKQ), 82 km from the middle of the area, began a volume at 20:48 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.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 8.8 hours before the alert went out and 160 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
- 279 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 933 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 1:47 AM EDT | Mesoscale Discussion | SPC | Cherokee, Clay, Macon, Polk, Transylvania | 28 min |
| Jul 7, 3:10 AM EDT | Tornado Watch | SPC | Cabarrus, Catawba, Cleveland, Davie, Gaston, Henderson and 8 more | 6 hr |
| Jul 7, 5:44 AM EDT | Mesoscale Discussion | SPC | Alexander, Burke, Cabarrus, Catawba, Cleveland, Davie and 10 more | 91 min |
| Jul 7, 8:43 AM EDT | Mesoscale Discussion | SPC | Alamance, Alexander, Anson, Burke, Cabarrus, Caldwell and 33 more | 32 min |
| Jul 7, 9:00 AM EDT | Tornado Watch | SPC | Alamance, Alexander, Burke, Cabarrus, Caldwell, Caswell and 27 more | 7 hr |
| Jul 7, 12:33 PM EDT | Mesoscale Discussion | SPC | Alexander, Burke, Caldwell, Caswell, Catawba, Cleveland and 15 more | 117 min |
| Jul 7, 1:17 PM EDT | Mesoscale Discussion | SPC | Bertie, Chowan, Dare, Edgecombe, Halifax, Hertford and 8 more | 88 min |
| Jul 7, 2:05 PM EDT | Tornado Watch | SPC | Bertie, Camden, Chowan, Currituck, Dare, Edgecombe and 14 more | 8 hr |
| Jul 7, 3:45 PM EDT | Tornado Watch | SPC | Alamance, Cabarrus, Caswell, Chatham, Davidson, Davie and 17 more | 6 hr |
| Jul 7, 6:01 PM EDT | Mesoscale Discussion | SPC | Bertie, Camden, Chatham, Chowan, Currituck, Dare and 20 more | 59 min |
Nearby
Mesoscale Discussions in Virginia, 2005Mesoscale Discussions in North Carolina, 2005Every mesoscale discussion 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; radar from the NEXRAD Level II archive.