Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 111, NWS Raleigh, NC

May 23, 1998Franklin County, Granville County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 23, 1998, 10:49 AM EDT for Franklin County, Granville County, North Carolina. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 23, 1998, 10:49 AM EDT (14:49 UTC)
Expired
May 23, 1998, 11:35 AM EDT
In force
46 min
Issued by
NWS Raleigh, NC
Area
Whole counties

Counties Franklin County, NC, Granville County, NC

What was reported inside it

TimeReportWhereRemark
May 23, 10:55 AM EDTHail 0.75Wilton, NC

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 2.8 hours before the alert went out and 129 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 1998-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 214 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 12:00Z on 1998-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 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
214 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

221 
WUUS1 KRDU 231451 RRA
SVRRDU
NCC069-077-231535-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1049 AM EDT SAT MAY 23 1998

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY
  SOUTHEASTERN GRANVILLE COUNTY

* UNTIL 1135 AM EDT

* AT 1050 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM JUST NORTH OF CREEDMOOR... MOVING EAST AT 20
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WILTON AROUND 11AM EDT
  FRANKLINTON AROUND 1110 AM EDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

RA

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

Local storm report, May 23, 7:35 AM EDT, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
735 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 AM    ANDERSON CREEK            NC   WIND DAMAGE
05/23/98   HARNETT                        3-4 HOMES WITH TREES ON
                                          THEM...PERHAPS MORE
Local storm report, May 23, 8:19 AM EDT, 2 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
819 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0816 AM    SANFORD                   NC   .75 INCH HAIL
05/23/98   LEE                            DIME SIZE HAIL REPORTED IN
                                          SANFORD AROUND 645 AM
Local storm report, May 23, 10:12 AM EDT, 37 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1012 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1005 AM    LILLINGTON 7S             NC   1 BARN DESTROYED
05/23/98   HARNETT                        TREES DOWN...TREE ON TOP OF CAR
                                          STRAIGHT LINE WINDS
Local storm report, May 23, 10:12 AM EDT, 37 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1012 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1005 AM    LILLINGTON 7S             NC   1 BARN DESTROYED
05/23/98   HARNETT                        TREES DOWN...TREE ON TOP OF CAR
                                          STRAIGHT LINE WINDS
Local storm report, May 23, 10:23 AM EDT, 26 minutes before
STORM REPORT ...CORRECTED FOR TIME OF OCCURANCE...
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1023 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 AM    LILLINGTON 7S             NC   1 BARN DESTROYED
05/23/98   HARNETT                        TREES DOWN...TREE ON TOP OF CAR
                                          STRAIGHT LINE WINDS
Local storm report, May 23, 10:23 AM EDT, 26 minutes before
STORM REPORT ...CORRECTED FOR TIME OF OCCURANCE...
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1023 AM EDT SAT MAY 23 1998

TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0700 AM    LILLINGTON 7S             NC   1 BARN DESTROYED
05/23/98   HARNETT                        TREES DOWN...TREE ON TOP OF CAR
                                          STRAIGHT LINE WINDS

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 6:32 AM EDTSevere Thunderstorm WarningRAHLee33 min
May 23, 6:43 AM EDTSevere Thunderstorm WarningRAHHarnett32 min
May 23, 7:08 AM EDTSevere Thunderstorm WarningRAHCumberland47 min
May 23, 7:51 AM EDTSevere Thunderstorm WarningRAHSampson49 min
May 23, 11:14 AM EDTSevere Thunderstorm WarningRAHNash46 min
May 23, 11:51 AM EDTSevere Thunderstorm WarningRAHCumberland49 min
May 23, 11:55 AM EDTSevere Thunderstorm WarningRAHJohnston50 min
May 23, 12:04 PM EDTSevere Thunderstorm WarningRAHSampson31 min
May 23, 12:25 PM EDTSevere Thunderstorm WarningRAHWayne30 min
May 23, 12:37 PM EDTSevere Thunderstorm WarningRAHSampson33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.