Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 76, NWS Raleigh, NC

May 8, 1998Forsyth County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 8, 1998, 9:33 AM EDT for Forsyth County, North Carolina. It was in force for 32 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 8, 1998, 9:33 AM EDT (13:33 UTC)
Expired
May 8, 1998, 10:05 AM EDT
In force
32 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Forsyth County, NC

What was reported inside it

TimeReportWhereRemark
May 8, 10:00 AM EDTHail 0.75Belews Creek, 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, 1.6 hours before the alert went out and 32 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 1998-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 836 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 1998-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 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
836 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
503 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KRDU 081333 RRA
SVRRDU
NCC067-081405-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
933 AM EDT FRI MAY 8 1998

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN FORSYTH COUNTY

* UNTIL 1005 AM EDT

* AT 930 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTHWEST FORSYTH IN THE VICINITY OF
  TOBACCOVILLE... MOVING EAST SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL HALL
  STANLEYVILLE

THIS IS A DANGEROUS STORM! STAY INDOORS AWAY FROM WINDOWS.
THIS STORM HAS A HISTORY OF DAMAGING HAIL AND MAY PRODUCE STRONG
DAMAGING DOWNBURST WINDS.
RLH

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 8:03 PM EDTTornado WarningRAHAlamance, Guilford32 min
May 7, 8:03 PM EDTTornado WarningRAHChatham32 min
May 7, 9:01 PM EDTSevere Thunderstorm WarningRAHMontgomery, Stanly34 min
May 7, 9:04 PM EDTSevere Thunderstorm WarningRAHChatham, Wake31 min
May 7, 9:13 PM EDTSevere Thunderstorm WarningRAHPerson32 min
May 7, 9:34 PM EDTSevere Thunderstorm WarningRAHHarnett, Johnston, Wake31 min
May 8, 10:59 AM EDTSevere Thunderstorm WarningRAHAlamance31 min
May 8, 11:53 AM EDTSevere Thunderstorm WarningRAHVance32 min
May 8, 12:09 PM EDTSevere Thunderstorm WarningRAHGranville, Vance31 min
May 8, 12:27 PM EDTSevere Thunderstorm WarningRAHWarren33 min
May 8, 12:52 PM EDTSevere Thunderstorm WarningRAHWarren33 min
May 8, 12:55 PM EDTSevere Thunderstorm WarningRAHHalifax50 min
May 8, 1:44 PM EDTSevere Thunderstorm WarningRAHEdgecombe, Halifax46 min
May 8, 3:22 PM EDTSevere Thunderstorm WarningRAHWayne48 min
May 8, 3:33 PM EDTSevere Thunderstorm WarningRAHWilson32 min
May 8, 3:42 PM EDTSevere Thunderstorm WarningRAHSampson33 min
May 8, 3:45 PM EDTSevere Thunderstorm WarningRAHPerson50 min
May 8, 4:20 PM EDTSevere Thunderstorm WarningRAHWilson50 min
May 8, 4:24 PM EDTSevere Thunderstorm WarningRAHGranville51 min
May 8, 4:32 PM EDTSevere Thunderstorm WarningRAHWake33 min
May 8, 4:55 PM EDTSevere Thunderstorm WarningRAHFranklin35 min
May 8, 5:33 PM EDTSevere Thunderstorm WarningRAHCumberland32 min
May 8, 5:53 PM EDTSevere Thunderstorm WarningRAHJohnston32 min
May 8, 6:04 PM EDTSevere Thunderstorm WarningRAHCumberland31 min
May 8, 6:16 PM EDTSevere Thunderstorm WarningRAHHarnett29 min
May 8, 6:31 PM EDTSevere Thunderstorm WarningRAHWayne29 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.