Alert archive / North Carolina / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 49, NWS Raleigh, NC

April 30, 1989Johnston County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 30, 1989, 12:16 AM EDT for Johnston County, North Carolina. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Apr 30, 1989, 12:16 AM EDT (04:16 UTC)
Expired
Apr 30, 1989, 1:00 AM EDT
In force
44 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Johnston 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, 4.3 hours before the alert went out and 152 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 1989-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 496 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 1989-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.1939587897117136156Sfc1 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
496 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
766 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
365 m²/s²
Significant tornado parameter
0.5
Supercell composite
4.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 300418
SVRRDU
NCC101-300500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1216 AM EDT SUN APR 30 1989
 
THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL NORTH CAROLINA
          ...SOUTHERN AND CENTRAL JOHNSTON
 
AT 1215AM A SEVERE THUNDERSTORM WAS SHOWN BY RADAR IN SOUTHWEST
JOHNSTON COUNTY. THIS STORM WAS MOVING EASTNORTHEAST 25 MPH AND WILL
PASS OVER OR NEAR SMITHFIELD AND PRINCETON.
 
 
PEOPLE IN THE PATH OF THIS STORM SHOULD BE ALERT FOR LARGE HAIL AND
DAMAGING WINDS. FREQUENT LIGHTNING AND LOCALLY HEAVY RAIN CAN OCCcUR
WITH ANY THUNDERSTORM.
 
LBC

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 29, 6:55 PM EDT, 5 hours 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREENSBORO NC
655 PM EDT SAT APR 29 1989

...STRONG THUNDERSTORMS OVER WESTERN PART OF THE NORTHWEST PIEDMONT...

AT 650 PM A BAND OF THUNDERSTORMS EXTENDED FROM SOUTHERN SURRY COUNTY
TO CENTRAL IREDELL COUNTY. A FEW OF THESE STORM CONTAIN VERY HEAVY
DOWNPOURS AND STRONG GUSTY WINDS. THE HEAVIEST STORMS WERE IN EASTERN
YADKIN AND CENTRAL IREDELL COUNTY JUST SOUTHWEST OF STATESVILLE.

MOVEMENT WAS TO THE NORTHEAST AT 25 MILES PER HOUR.

PERSONS IN THE PATH OF THE STORMS SHOULD KEEP WATCH
AND SEEK SHELTER IF THE STORM APPROACHES YOUR AREA.

GR
Local storm report, Apr 29, 7:14 PM EDT, 5 hours 2 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
714 PM EDT SAT APR 29 1989

TIME           EVENT
 426 PM EDT    HAM OPERATOR REPORTED MARBLE SIZE HAIL AT HILLSBOROUGH.

 450 PM EDT    SOUTH OF GARNER(WILLIAMS CROSSROADS) STRONG WINDS
               ESTIMATED 50-60 MPH. UTILITY BUILDING BLOWN AWAY.

 500 PM EDT    MOTH BALL SIZE HAIL IN SCOTLAND NECK...EASTERN
               HALIFAX COUNTY. REPORTED BY COUNTY SHERIFF'S
               DEPARTMENT.

 504 PM EDT    11/2 INCH HAIL AT KINSTON AT FORESTRY SERVICE STATION.

 624 PM EDT    TORNADO REPORTED AT HAM'S CROSSROADS IN PITT COUNTY...
               THREE BUILDINGS DESTROYED...PACK HOUSE DESTROYED AND
               HOG FARM...NO INJURIES...TREES UPROOTED

 650 PM EDT    GOLF BALL SIZE HAIL IN AYDEN IN PITT COUNTY.

RA
Special weather statement, Apr 29, 11:26 PM EDT, 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1125 PM EDT SAT APR 29 1989

AT 1120 PM EDT WEATHER SERVICE RADAR SHOWED SCATTERED SHOWERS
ALONG WITH SOME HEAVY THUNDERSTORMS ACROSS THE NORTHEAST PIEDMONT
OF NORTH CAROLINA. THE HEAVIEST STORMS WERE ACROSS EASTERN DURHAM..
NORTHERN WAKE AND SOUTHERN GRANVILLE COUNTIES. THESE STORMS ARE
MOVING TO THE EAST NORTHEAST ABOUT 25 MILES AN HOUR. THE PATH OF
THESE STORMS WILL TAKE THEM INTO FRANKLIN COUNTY WITHIN THE HOUR.

THESE STORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS..DANGEROUS
LIGHTNING..HEAVY DOWNPOURS AND SOME SMALL HAIL. ALSO THERE MAY BE PONDING
OF WATER ON ROADS ESPECIALLY IN LOW LYING AND POOR DRAINAGE AREAS.6
THERE HAS BEEN NUMEROUS REPORTS OF PEA SIZE HAIL ACROSS NORTHERN WAKE
COUNTY.

LISTEN TO LOCAL RADIO..TV..OR WEATH  ER RADIO FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.

RA
Special weather statement, Apr 30, 12:11 AM EDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1210 AM EDT SUN APR 30 1989

AT MIDNIGHT...WEATHER RADAR SHOWED SEVERAL AREAS OF SHOWERS AND
THUNDERSTORMS OVER CENTRAL EASTERN NORTH CAROLINA.  THE HEAVIEST
STORM APPEARED NEAR THE FRANKLIN...NASH...WAKE COUNTY LINES HEADING
EAST INTO NASH COUNTY AT 30 MILES AN HOUR.

OTHER THUNDERSTORMS HAVE BEEN DETECTED OVER SOUTHERN JOHNSTON...EASTERN
HARNETT...AND NEAR THE SCOTLAND...RICHMOND COUNTY LINE.  THESE STORMS ARE
TRACKING EAST NORTHEAST AT 25 TO 30 MPH.

THE THUNDERSTORMS ARE CAPABLE OF PRODUCING SMALL HAIL AND SUDDEN GUSTY
WIND...IN ADDITION TO FREQUENT SHARP LIGHTNING AND HEAVY RAIN.  THE
OCCURRENCE OF THUNDERSTORMS OVER AREAS HAVING ALREADY BEEN HIT BY HEAVY
RAIN FROM PREVIOUS STORMS THIS PAST EVENING MAY CAUSE PROBLEMS WITH
FLOODING IN LOW LYING AND POOR DRAINAGE AREAS.

LISTEN TO LOCAL RADIO..TV..OR WEATHER RADIO FOR LATER STATEMENTS OR
POSSIBLE WARNINGS.

^RFG

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 8:07 PM EDTFlash Flood WarningRAHGreene, Pitt68 min
Apr 29, 10:39 PM EDTSevere Thunderstorm WarningRAHDurham, Wake36 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1989Every severe thunderstorm warning in 1989

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.