Alert archive / North Carolina / Tornado Watches in 1999

Tornado Watch 68

March 3, 199945 counties in North Carolina; Dillon County, Horry County, Marion County, South Carolina

The Storm Prediction Center issued this tornado watch at Mar 3, 1999, 2:15 PM EST for 45 counties in North Carolina; Dillon County, Horry County, Marion County, South Carolina. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 3, 1999, 2:15 PM EST (19:15 UTC)
Expired
Mar 3, 1999, 7:00 PM EST
In force
5 hr
Issued by
the Storm Prediction Center
All 48 counties

Beaufort County, NC, Bertie County, NC, Bladen County, NC, Brunswick County, NC, Camden County, NC, Carteret County, NC, Chowan County, NC, Columbus County, NC, Craven County, NC, Cumberland County, NC, Currituck County, NC, Dare 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, Hyde County, NC, Johnston County, NC, Jones County, NC, Lenoir County, NC, Martin County, NC, Nash County, NC, New Hanover County, NC, Northampton County, NC, Onslow County, NC, Pamlico County, NC, Pasquotank County, NC, Pender County, NC, Perquimans County, NC, Pitt County, NC, Robeson County, NC, Sampson County, NC, Tyrrell County, NC, Vance County, NC, Wake County, NC, Warren County, NC, Washington County, NC, Wayne County, NC, Wilson County, NC, Dillon County, SC, Horry County, SC, Marion County, SC

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 3, 3:19 PM ESTSevere Thunderstorm WarningRAHCumberland, Harnett, Sampson31 min
Mar 3, 3:29 PM ESTSevere Thunderstorm WarningILMBladen46 min
Mar 3, 3:31 PM ESTSevere Thunderstorm WarningILMBrunswick, New Hanover, Pender29 min
Mar 3, 3:37 PM ESTSevere Thunderstorm WarningRAHJohnston, Wake33 min
Mar 3, 3:51 PM ESTSevere Thunderstorm WarningRAHNash, Wilson44 min
Mar 3, 3:51 PM ESTSevere Thunderstorm WarningRAHSampson, Wayne44 min
Mar 3, 4:03 PM ESTSevere Thunderstorm WarningRAHGranville47 min
Mar 3, 4:06 PM ESTTornado WarningRAHHalifax, Nash49 min
Mar 3, 4:09 PM ESTSevere Thunderstorm WarningRAHFranklin46 min
Mar 3, 4:11 PM ESTSevere Thunderstorm WarningMHXDuplin49 min
Mar 3, 4:16 PM ESTSevere Thunderstorm WarningRAHVance, Warren49 min
Mar 3, 4:21 PM ESTSevere Thunderstorm WarningMHXJones, Onslow59 min
Mar 3, 4:21 PM ESTSevere Thunderstorm WarningMHXGreene, Lenoir59 min
Mar 3, 4:31 PM ESTSevere Thunderstorm WarningAKQNorthampton14 min
Mar 3, 4:31 PM ESTSevere Thunderstorm WarningRAHEdgecombe, Nash, Wilson49 min
Mar 3, 4:46 PM ESTSevere Thunderstorm WarningMHXCarteret, Craven, Pitt59 min
Mar 3, 4:46 PM ESTSevere Thunderstorm WarningRAHHalifax49 min
Mar 3, 5:11 PM ESTSevere Thunderstorm WarningMHXBeaufort, Martin64 min
Mar 3, 5:16 PM ESTSevere Thunderstorm WarningAKQNorthampton34 min
Mar 3, 6:14 PM ESTSevere Thunderstorm WarningMHXDare31 min
Mar 3, 7:00 PM ESTSevere Thunderstorm WarningMHXDare30 min

The nearest sounding before it

Newport, NC (KMHX), launched 12:00Z, 7.3 hours before the alert went out and 92 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-pSkew-T log-p diagram, Newport, NC at 12:00Z on 1999-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Newport, NC at 12:00Z on 1999-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
166 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.

Nearby

Tornado Watches in North Carolina, 1999Tornado Watches in South Carolina, 1999Every tornado watch in 1999

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.