Alert archive / North Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 55, NWS Blacksburg, VA

June 30, 1994Rockingham County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Jun 30, 1994, 9:42 PM EDT for Rockingham County, North Carolina. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1994, 9:42 PM EDT (01:42 UTC)
Expired
Jun 30, 1994, 10:15 PM EDT
In force
33 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Rockingham County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 1.7 hours before the alert went out and 37 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 1994-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 896 joules per kilogram.LCLEL10008507005003002001001 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 1994-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 square meters per square second.193958Sfc1 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
896 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1652 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
36 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 Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 9:24 PM EDTSevere Thunderstorm WarningRNKCaswell36 min
Jun 30, 9:56 PM EDTSevere Thunderstorm WarningRNKCaswell34 min
Jun 30, 10:51 PM EDTSevere Thunderstorm WarningRNKRockingham39 min
Jun 30, 11:31 PM EDTSevere Thunderstorm WarningRNKRockingham29 min
Jun 30, 11:48 PM EDTSevere Thunderstorm WarningRNKForsyth, Guilford57 min
Jul 1, 1:07 AM EDTSevere Thunderstorm WarningRNKRowan48 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1994Every severe thunderstorm warning in 1994

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.