Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 2, NWS Wilmington, NC

April 2, 1990Sampson County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Apr 2, 1990, 12:12 AM EDT for Sampson County, North Carolina. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Apr 2, 1990, 12:12 AM EDT (04:12 UTC)
Expired
Apr 2, 1990, 1:15 AM EDT
In force
63 min
Issued by
NWS Wilmington, NC
Area
Whole counties

County Sampson County, NC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.2 hours before the alert went out and 184 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 1990-04-02Temperature 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 1990-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
51 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
318 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILM 020414
SVRILM
NCC163-020515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON NC
1212 AM EDT MON APR 2 1990
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST NORTH CAROLINA
          ...SAMPSON
 
AT 1210 AM THIS MONDAY MORNING RADAR INDICATED A SEVERE THUNDERSTORM
APPROACHING WESTERN SAMPSON COUNTY...JUST NORTH OF STEDMAN MOVING
EAST TOWARD CLINTON AT 23 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.
 
SEVERE THUNDERSTORM WINDS CAN REACH SPEEDS OF 60 MPH TO OVER 100
MPH. THESE WINDS BLOW DOWN TREES...POWER LINES...AND SEVERELY
DAMAGE MOBILE HOMES...SOMETIMES BUILDINGS. VERY LARGE HAIL CAN
INJURE ANYONE CAUGHT OUTSIDE.

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, Apr 1, 10:36 PM EDT, 1 hour 36 minutes before
NCZ-003-020400-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CAPE HATTERAS NC
1035 PM EDT SUN APR 1 1990

...THUNDERSTORMS WITH HEAVY RAIN WERE MOVING INTO NORTHEASTERN NORTH
   CAROLINA...

AT 1030 PM EDT...THUNDERSTORMS WITH HEAVY RAIN WERE DETECTED OVER
NORTHAMPTON COUNTY. THESE THUNDERSTORMS WERE MOVING EAST AT 40 MILES
AND HOUR AND WILL MOVE INTO HERTFORD AND NORTHWEST BERTIE COUNTIES
BY 1100 PM. DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLY SMALL
HAIL WILL ACCOMPANY THESE THUNDERSTORMS.

THE THUNDERSTORMS OVER NORTHAMPTON COUNTY WERE IN A LARGE AREA OF
SHOWERS EXTENDED FROM THE MOUTH OF THE CHESAPEAKE BAY INTO NORTH
CENTRAL NORTH CAROLINA. MOVEMENT WAS EAST AT 40 MILES AN HOUR.

STAY TUNED TO LOCAL RADIO...TELEVISION...OR NOAA WEATHER RADIO FOR
ADDITIONAL STATEMENTS.

The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 1, 9:11 PM EDTSevere Thunderstorm WarningILMRobeson64 min
Apr 2, 7:15 PM EDTSevere Thunderstorm WarningILMSampson60 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1990Every severe thunderstorm warning in 1990

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.