Alert archive / North Carolina / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 4, NWS Blacksburg, VA

March 28, 1994Randolph County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Mar 28, 1994, 7:52 AM EST for Randolph County, North Carolina. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Mar 28, 1994, 7:52 AM EST (12:52 UTC)
Expired
Mar 28, 1994, 8:30 AM EST
In force
38 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Randolph County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 0.9 hours before the alert went out and 42 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 12:00Z on 1994-03-28Temperature 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 12:00Z on 1994-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
102 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
533 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KGSO 281253
SVRGSO
NCC151-281330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE GREENSBORO NC
752 AM EST MON MAR 28 1994
 
THE NATIONAL WEATHER SERVICE IN GREENSBORO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH CAROLINA
 
   ...RANDOLPH COUNTY
 
AT 750 PM RADAR SHOWED A SEVERE THUNDERSTORM IN SOUTHERN DAVIDSON
COUNTY NEAR DENTON THAT WILL MOVE NORTHEAST INTO RANDOLPH COUNTY
AT 55 TO 60 MPH.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCUR
WITH ANY THUNDERSTORM.

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 27, 7:02 PM ESTTornado WarningRNKDavidson, Randolph43 min
Mar 27, 7:33 PM ESTTornado WarningRNKDavidson, Rowan27 min
Mar 27, 7:36 PM ESTTornado WarningRNKAlamance, Guilford54 min
Mar 27, 7:43 PM ESTTornado WarningRNKAlexander, Iredell47 min
Mar 27, 8:05 PM ESTTornado WarningRNKRandolph40 min
Mar 27, 8:37 PM ESTTornado WarningRNKAlamance38 min
Mar 28, 7:06 AM ESTSevere Thunderstorm WarningRNKRowan24 min
Mar 28, 7:35 AM ESTSevere Thunderstorm WarningRNKDavidson, Rowan40 min
Mar 28, 8:00 AM ESTSevere Thunderstorm WarningRNKGuilford30 min
Mar 28, 4:35 PM ESTTornado WarningRNKAlexander55 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.