Alert archive / North Carolina / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 18, NWS Raleigh, NC

April 24, 1992Person County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 24, 1992, 8:43 PM EDT for Person County, North Carolina. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Apr 24, 1992, 8:43 PM EDT (00:43 UTC)
Expired
Apr 24, 1992, 9:30 PM EDT
In force
47 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Person County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 0.7 hours before the alert went out and 90 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, Greensboro/Hi Pt, NC at 00:00Z on 1992-04-25Temperature 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, Greensboro/Hi Pt, NC at 00:00Z on 1992-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 square meters per square second.1939587897Sfc1 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
NaN m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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 Raleigh, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 9:12 PM EDTSevere Thunderstorm WarningRAHChatham, Durham63 min
Apr 24, 9:12 PM EDTSevere Thunderstorm WarningRAHGranville, Vance63 min
Apr 24, 9:26 PM EDTSevere Thunderstorm WarningRAHFranklin, Wake, Warren64 min
Apr 24, 9:49 PM EDTSevere Thunderstorm WarningRAHLee56 min
Apr 24, 9:51 PM EDTSevere Thunderstorm WarningRAHMoore69 min
Apr 24, 9:57 PM EDTSevere Thunderstorm WarningRAHHarnett63 min
Apr 24, 10:37 PM EDTSevere Thunderstorm WarningRAHCumberland68 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1992Every severe thunderstorm warning in 1992

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.