Alert archive / North Carolina / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 9, NWS Wilmington, NC

February 19, 1999Brunswick County, Pender County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Feb 19, 1999, 3:27 PM EST for Brunswick County, Pender County, North Carolina. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 19, 1999, 3:27 PM EST (20:27 UTC)
Expired
Feb 19, 1999, 3:55 PM EST
In force
28 min
Issued by
NWS Wilmington, NC
Area
Whole counties

Counties Brunswick County, NC, Pender County, NC

The radar

The Wilmington radar (KLTX), 47 km from the middle of the area, began a volume at 20:31 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

Charleston AFB, SC (KCHS), launched 12:00Z, 8.5 hours before the alert went out and 236 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, Charleston AFB, SC at 12:00Z on 1999-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 joules per kilogram.LCLLFCEL10008507005003002001001 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, Charleston AFB, SC at 12:00Z on 1999-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 216 square meters per square second.1939587897117Sfc1 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
18 J/kg
Mixed-layer CIN
-96 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
216 m²/s²
0-3 km storm-relative helicity
249 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.

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 19, 2:32 PM ESTSevere Thunderstorm WarningILMColumbus48 min
Feb 19, 12:52 PM ESTSevere Thunderstorm WarningILMWilliamsburg43 min
Feb 19, 1:39 PM ESTSevere Thunderstorm WarningILMGeorgetown, Williamsburg46 min
Feb 19, 2:18 PM ESTSevere Thunderstorm WarningILMGeorgetown, Horry47 min
Feb 19, 3:07 PM ESTSevere Thunderstorm WarningILMHorry33 min
Feb 19, 3:12 PM ESTSevere Thunderstorm WarningILMWilliamsburg48 min
Feb 19, 3:59 PM ESTSevere Thunderstorm WarningILMWilliamsburg31 min
Feb 19, 4:05 PM ESTSevere Thunderstorm WarningILMGeorgetown45 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1999Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.