Alert archive / North Carolina / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 28, NWS Raleigh, NC

May 4, 1990Nash County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 4, 1990, 6:11 PM EDT for Nash County, North Carolina. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
May 4, 1990, 6:11 PM EDT (22:11 UTC)
Expired
May 4, 1990, 7:15 PM EDT
In force
64 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Nash 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 12:00Z, 10.2 hours before the alert went out and 173 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 1990-05-04Temperature 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 1990-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
243 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 KRDU 042211
SVRRDU
NCC127-042315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
611 PM EDT FRI MAY 4 1990
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHEAST NORTH CAROLINA
 
   ...NASH COUNTY
 
AT 608 PM RADAR SHOWED A SEVERE THUNDEERSTORM IN SOUTHERN NASH COUNTY
MOVING NORTHEAST AT 30 MPHv. GOLFBALL SIZE HAIL HAS BEEN REPORTED WITH
THIS THUNDERSTORM.
 
 
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, May 4, 3:09 PM EDT, 3 hours 2 minutes before
NCZ006-040330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
320 PM EDT FRI MAY 4 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN BEGINNING TO DEVELOPE OVER THE
NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 300 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN IN CENTRAL IREDELL COUNTY JUST NORTH OF STATESVILLE.
THIS STORM IS MOVING EAST AT 40 MPH. A LINE OF THUNDERSTORMS AND
RAINSHOWERS STRETCHES FROM ROCKINGHAM SOUTHWEST THROUGH STOKES...SURRY
YADKIN...IREDELL...AND ALEXANDER THIS LINE IS MOVING NORTHEAST AT 30 MPH.

IF YOU ARE IN THE PATH OF THESE THUNDERSTORMS...THEN BE ON THE
LOOKOUT FOR THREATENING WEATHER AND SEEK SAFE SHELTER UNTIL THE
STORMSX PASS.

RJD
Special weather statement, May 4, 4:07 PM EDT, 2 hours 4 minutes before
NCZ006-040330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
415 PM EDT FRI MAY 4 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN BECOMING MORE NUMBEROUS OVER THE
NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 400 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN BECOMING MORE NUMBEROUS IN FORSYTH...DAVIE...IREDELL
AND ROWAN COUNTIES THE HEAVIEST THUNDERSTORMS ARE IN CENTRAL IREDELL
COUNTY. MOVEMENT IS TO THE EAST 30 MPH. ALTHOUGH THERE HAVE BEEN
NO REPORTS SO FAR THIS AFTERNOON OF HAIL...THERE COULD VERY WELL BE
SOME SMALL HAIL IN THESE STORMS IN IREDELL COUNTY. ALSO JUST NORTH
OF MOORESVILLE IN DAVIE COUNTY A THUNDERSTORM WITH HEAVY RAIN HAS
DEVELOPED IN THE LAST 15 MINUTES...NO MOVEMENT YET ON THIS STORM.
STORMS PASS.

PERSONS IN THE NORTHWEST PIEDMONT SHOULD BE ON THE LOOKOUT FOR
THESE THUNDERSTORMS AND BE PREPARED TO TAKE ACTION IF NECCESSARY.
LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND ANY
POSSIBLE WARNINGS THIS AFTERNOON.

RJD
Special weather statement, May 4, 4:10 PM EDT, 2 hours 1 minute before
NCZ006-040330-

SPECIAL WEATHER STATEMENT..CORRECTION
NATIONAL WEATHER SERVICE GREENSBORO NC
415 PM EDT FRI MAY 4 1990

...THUNDERSTORMS WITH VERY HEAVY RAIN BECOMING MORE NUMBEROUS OVER THE
NORTHWEST PIEDMONT OF NORTH CAROLINA...

AT 400 PM NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH
VERY HEAVY RAIN BECOMING MORE NUMBEROUS IN FORSYTH...DAVIE...IREDELL
AND ROWAN COUNTIES THE HEAVIEST THUNDERSTORMS ARE IN CENTRAL IREDELL
COUNTY. MOVEMENT IS TO THE EAST 30 MPH. ALTHOUGH THERE HAVE BEEN
NO REPORTS SO FAR THIS AFTERNOON OF HAIL...THERE COULD VERY WELL BE
SOME SMALL HAIL IN THESE STORMS IN IREDELL COUNTY. ALSO JUST NORTH
OF MOORESVILLE IN DAVIE COUNTY A THUNDERSTORM WITH HEAVY RAIN HAS
DEVELOPED IN THE LAST 15 MINUTES...NO MOVEMENT YET ON THIS STORM.

PERSONS IN THE NORTHWEST PIEDMONT SHOULD BE ON THE LOOKOUT FOR
THESE THUNDERSTORMS AND BE PREPARED TO TAKE ACTION IF NECCESSARY.
LISTEN TO NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND ANY
POSSIBLE WARNINGS THIS AFTERNOON.

CORRECTION FOR EXTRA WORDS...

RJD

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.