Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 3, NWS Blacksburg, VA

April 1, 1993Rowan County, North Carolina

NWS Blacksburg, VA issued this severe thunderstorm warning at Apr 1, 1993, 3:02 AM EST for Rowan County, North Carolina. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 1, 1993, 3:02 AM EST (08:02 UTC)
Expired
Apr 1, 1993, 3:30 AM EST
In force
28 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Rowan County, NC

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 8.0 hours before the alert went out and 75 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 1993-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 195 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, Greensboro/Hi Pt, NC at 00:00Z on 1993-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
195 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
710 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
316 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 31, 9:10 PM EST, 5 hours 52 minutes before
VAZ008-009-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VIRGINIA
910 PM EST WED MAR 31 1993

...STRONG THUNDERSTORM MOVING THROUGH HENRY COUNTY IN SOUTHWEST
   PIEDMONT...

AT 9 PM EST RADAR SHOWED A STRONG THUNDERSTORM NEAR MARTINSVILLE
IN HENRY COUNTY VIRGINIA MOVING NORTHEAST AT 40 MPH.

THIS STORM IS CAPABLE OF PRODUCING HEAVY RAIN DANGEROUS LIGHTNING
AND STRONG GUSTY WINDS.

IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER IMMEDIATELY.
THIS STORM WILL BE MOVING INTO SOUTHEAST FRANKLIN COUNTY WITHIN
THE HOUR.
CG
Special weather statement, Mar 31, 9:18 PM EST, 5 hours 44 minutes before
VAZ008-009-010400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ROANOKE VIRGINIA
910 PM EST WED MAR 31 1993

...STRONG THUNDERSTORM MOVING THROUGH HENRY COUNTY IN SOUTHWEST
   PIEDMONT...

AT 9 PM EST RADAR SHOWED A STRONG THUNDERSTORM NEAR MARTINSVILLE
IN HENRY COUNTY VIRGINIA MOVING NORTHEAST AT 40 MPH.

THIS STORM IS CAPABLE OF PRODUCING HEAVY RAIN DANGEROUS LIGHTNING
AND STRONG GUSTY WINDS.

IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER IMMEDIATELY.
THIS STORM WILL BE MOVING INTO SOUTHEAST FRANKLIN COUNTY WITHIN
THE HOUR.
CG

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 8:42 PM ESTSevere Thunderstorm WarningRNKForsyth, Stokes, Yadkin63 min
Mar 31, 10:55 PM ESTTornado WarningRNKAlamance40 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1993Every severe thunderstorm warning in 1993

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.