Alert archive / North Carolina / Severe Thunderstorm Watches in 1998

Severe Thunderstorm Watch 285

May 4, 199853 counties in North Carolina; 7 counties in South Carolina

The Storm Prediction Center issued this severe thunderstorm watch at May 4, 1998, 2:30 PM EDT for 53 counties in North Carolina; 7 counties in South Carolina. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 4, 1998, 2:30 PM EDT (18:30 UTC)
Expired: May 4, 1998, 9:00 PM EDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 60 counties

Alamance County, NC, Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Camden County, NC, Carteret County, NC, Chatham County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Currituck 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, Hyde County, NC, Johnston County, NC, Jones County, NC, Lee County, NC, Lenoir County, NC, Martin County, NC, Moore County, NC, Nash County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Orange County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Person County, NC, Pitt County, NC, Richmond County, NC, Robeson County, NC, Sampson County, NC, Scotland County, NC, Tyrrell County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Chesterfield County, SC, Darlington County, SC, Dillon County, SC, Florence County, SC, Lee County, SC, Marion County, SC, Marlboro County, SC

Warnings issued inside it

29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 4, 2:52 PM EDT	Severe Thunderstorm Warning	ILM	Florence	48 min
May 4, 2:56 PM EDT	Severe Thunderstorm Warning	RAH	Halifax, Nash	34 min
May 4, 3:01 PM EDT	Severe Thunderstorm Warning	ILM	Bladen	64 min
May 4, 3:14 PM EDT	Severe Thunderstorm Warning	RAH	Cumberland	36 min
May 4, 3:16 PM EDT	Severe Thunderstorm Warning	ILM	Columbus	64 min
May 4, 3:28 PM EDT	Severe Thunderstorm Warning	RAH	Sampson	47 min
May 4, 3:32 PM EDT	Severe Thunderstorm Warning	RAH	Wayne	33 min
May 4, 3:52 PM EDT	Severe Thunderstorm Warning	AKQ	Northampton	28 min
May 4, 4:00 PM EDT	Severe Thunderstorm Warning	RAH	Wilson	50 min
May 4, 4:07 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick, Pender	48 min
May 4, 4:32 PM EDT	Severe Thunderstorm Warning	RAH	Edgecombe	48 min
May 4, 4:45 PM EDT	Severe Thunderstorm Warning	MHX	Duplin	50 min
May 4, 4:52 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick	48 min
May 4, 4:57 PM EDT	Severe Thunderstorm Warning	AKQ	Hertford	33 min
May 4, 5:01 PM EDT	Severe Thunderstorm Warning	ILM	New Hanover, Pender	59 min
May 4, 5:24 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	31 min
May 4, 5:28 PM EDT	Severe Thunderstorm Warning	MHX	Craven	47 min
May 4, 5:33 PM EDT	Severe Thunderstorm Warning	MHX	Jones	32 min
May 4, 5:40 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	35 min
May 4, 5:41 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick	44 min
May 4, 5:53 PM EDT	Tornado Warning	MHX	Craven, Jones, Onslow	32 min
May 4, 5:58 PM EDT	Severe Thunderstorm Warning	ILM	New Hanover, Pender	47 min
May 4, 6:07 PM EDT	Severe Thunderstorm Warning	MHX	Beaufort, Pamlico	48 min
May 4, 6:27 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	33 min
May 4, 6:58 PM EDT	Severe Thunderstorm Warning	MHX	Carteret	47 min
May 4, 7:25 PM EDT	Severe Thunderstorm Warning	MHX	Onslow	50 min
May 4, 8:00 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick	45 min
May 4, 8:15 PM EDT	Severe Thunderstorm Warning	ILM	New Hanover	30 min
May 4, 8:21 PM EDT	Severe Thunderstorm Warning	MHX	Carteret	64 min

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.5 hours before the alert went out and 172 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 103 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 669 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 45 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 3, 11:15 PM EDT	Severe Thunderstorm Watch	SPC	Beaufort, Berkeley, Charleston, Colleton, Dorchester, Jasper and 1 more	4 hr
May 4, 12:45 PM EDT	Severe Thunderstorm Watch	SPC	Allendale, Bamberg, Barnwell, Beaufort, Berkeley, Calhoun and 18 more	5 hr

Nearby

Severe Thunderstorm Watches in North Carolina, 1998 Severe Thunderstorm Watches in South Carolina, 1998 Every 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.