Alert archive / North Carolina / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 2, NWS Wilmington, NC

March 24, 1993Onslow County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Mar 24, 1993, 7:28 PM EST for Onslow County, North Carolina. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Mar 24, 1993, 7:28 PM EST (00:28 UTC)
Expired
Mar 24, 1993, 8:30 PM EST
In force
62 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Onslow County, NC

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 00:00Z, 0.5 hours before the alert went out and 181 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, Cape Hatteras, NC at 00:00Z on 1993-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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, Cape Hatteras, NC at 00:00Z on 1993-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 square meters per square second.19395878Sfc1 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
142 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
497 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-12 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 KILM 250028
SVRILM
NCC133-250130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
728 PM EST WED MAR 24 1993
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH CAROLINA
 
   ...ONSLOW COUNTY
 
AT 725 PM RADAR INDICATED A SEVERE THUNDERSTORM ENTERING ONSLOW COUNTY
WEST OF RICHLANDS. THIS THUNDERSTORM HAS A HISTORY OF LARGE HAIL AND IS
MOVING EAST AT 20 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.
 
&

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 24, 3:51 PM EST, 3 hours 37 minutes before
NCZ015-016-017-242200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WILMINGTON NC
350 PM EST WED MAR 24 1993

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF
CENTRAL AND EASTERN NORTH CAROLINA...

AT 330 THIS WEDNESDAY AFTERNOON...THUNDERSTORMS WERE FORMING
RAPIDLY OVER SOUTH CENTRAL AND SOUTHEAST NORTH CAROLINA.
THE STORMS WITH THE HEAVIEST RAIN WERE LINED 10 TO 30 MILES INLAND
FROM THE SOUTH COASTAL NORTH CAROLINA BEACHES FROM ONSLOW TO
EASTERN COLUMBUS COUNTY.  THESE STORMS MAY PRODUCE STRONG GUSTY
WINDS AND SMALL HAIL IN THE NEXT HOUR OR SO.  SOME LOCAL FLOODING
OF LOW-LYING PLACES MAY ACCOMPANY THESE STORMS.

OTHER STORMS WERE SCATTERED OVER THE SANDHILLS AND SOUTH PIEDMONT
OF NORTH CAROLINA.  SOME LARGER HAIL WAS REPORTED WITH THESE
STORMS SINCE 1 PM THIS AFTERNOON.  ALL PRECIPITATION WAS MOVING
EAST ABOUT 15 MILES AN HOUR.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA.  PERSONS IN THESE AREAS SHOULD BE ALERT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
Local storm report, Mar 24, 7:10 PM EST, 18 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON NC
710 PM EST WED MAR 24 1993

TIME        EVENT

632 PM       DUPLIN COUNTY...DIME TO NICKEL SIZED HAIL IN MAGNOLIA
             REPORTED BY THE DUPLIN COUNTY SHERIFFS DEPARTMENT

NS

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.