Alert archive / Virginia / Severe Thunderstorm Watches in 1998
Severe Thunderstorm Watch 9
The Storm Prediction Center issued this severe thunderstorm watch at Jan 8, 1998, 9:30 AM EST for 6 counties in Maryland; 22 counties in North Carolina; 36 counties in Virginia. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 8, 1998, 9:30 AM EST (14:30 UTC)
- Expired
- Jan 8, 1998, 4:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 64 counties
Charles County, MD, Dorchester County, MD, Saint Mary's County, MD, Somerset County, MD, Wicomico County, MD, Worcester County, MD, Beaufort County, NC, Bertie County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Craven County, NC, Currituck County, NC, Dare County, NC, Gates County, NC, Hertford County, NC, Hyde County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Tyrrell County, NC, Washington County, NC, Accomack County, VA, Charles City County, VA, City of Chesapeake, VA, City of Colonial Heights, 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 Suffolk, VA, City of Virginia Beach, VA, City of Williamsburg, VA, Essex County, VA, Gloucester 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, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland 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), 109 km from the middle of the area, began a volume at 14:34 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 9:30 AM EST | Severe Thunderstorm Warning | MHX | Pitt | 50 min |
| Jan 8, 9:42 AM EST | Severe Thunderstorm Warning | MHX | Martin | 48 min |
| Jan 8, 9:57 AM EST | Severe Thunderstorm Warning | MHX | Beaufort, Craven | 48 min |
| Jan 8, 9:59 AM EST | Severe Thunderstorm Warning | AKQ | Bertie, Hertford | 46 min |
| Jan 8, 10:11 AM EST | Severe Thunderstorm Warning | MHX | Craven, Pamlico | 49 min |
| Jan 8, 10:17 AM EST | Severe Thunderstorm Warning | AKQ | Prince George, Sussex | 33 min |
| Jan 8, 10:24 AM EST | Severe Thunderstorm Warning | MHX | Washington | 46 min |
| Jan 8, 10:35 AM EST | Severe Thunderstorm Warning | AKQ | Chowan, Gates | 45 min |
The nearest sounding before it
Newport, NC (KMHX), launched 12:00Z, 2.5 hours before the alert went out and 141 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
- 492 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 582 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Severe Thunderstorm Watches in Virginia, 1998Severe Thunderstorm Watches in North Carolina, 1998Severe Thunderstorm Watches in Maryland, 1998Every severe thunderstorm watch in 1998
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.