Alert archive / North Carolina / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 289
The Storm Prediction Center issued this severe thunderstorm watch at May 25, 2001, 4:30 PM EDT for 37 counties in North Carolina; 11 counties in Virginia. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 25, 2001, 4:30 PM EDT (20:30 UTC)
- Expired
- May 25, 2001, 9:00 PM EDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Alamance County, NC, Bertie County, NC, Bladen County, NC, Chatham County, NC, Columbus County, NC, Cumberland County, NC, Duplin County, NC, Durham County, NC, Edgecombe County, NC, Franklin County, NC, Gates County, NC, Granville County, NC, Greene County, NC, Halifax County, NC, Harnett County, NC, Hertford County, NC, Hoke County, NC, Johnston County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Montgomery County, NC, Moore County, NC, Nash County, NC, Northampton County, NC, Orange County, NC, Person County, NC, Pitt County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Amelia County, VA, Brunswick County, VA, City of Emporia, VA, City of Franklin, VA, Dinwiddie County, VA, Greensville County, VA, Lunenburg County, VA, Mecklenburg County, VA, Nottoway County, VA, Southampton County, VA, Sussex County, VA
The radar
The Raleigh/Durham radar (KRAX), 21 km from the middle of the area, began a volume at 20:32 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 |
|---|---|---|---|---|
| May 25, 5:28 PM EDT | Severe Thunderstorm Warning | AKQ | Hertford | 17 min |
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 117 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
- 885 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 25, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Albemarle, Amelia, Appomattox, Arlington, Brunswick, Buckingham and 61 more | 6 hr |
Nearby
Severe Thunderstorm Watches in North Carolina, 2001Severe Thunderstorm Watches in Virginia, 2001Every severe thunderstorm watch in 2001
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.