Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 60, NWS Raleigh, NC

May 1, 1998Granville County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 1, 1998, 8:55 PM EDT for Granville County, North Carolina. It was in force for 45 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 1, 1998, 8:55 PM EDT (00:55 UTC)
Expired
May 1, 1998, 9:40 PM EDT
In force
45 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Granville County, NC

What was reported inside it

TimeReportWhereRemark
May 1, 9:05 PM EDTHail 0.75Berea, 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 00:00Z, 0.9 hours before the alert went out and 115 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 1998-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 169 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 1998-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 square meters per square second.193958Sfc1 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
169 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
751 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
20 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 020057
SVRRDU
NCC077-020140-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
855 PM EDT FRI MAY 1 1998

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GRANVILLE COUNTY

* UNTIL 940 PM EDT

* AT 855 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR BEREA... MOVING EAST-NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SATTERWHITE BY 910 PM
  OXFORD BY 920 PM
  LEWIS BY 920 PM

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

GH

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 1, 7:35 PM EDT, 1 hour 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
735 PM EDT FRI MAY 01 1998

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

0630 PM    LEXINGTON                 NC   .75 INCH HAIL
05/01/98   DAVIDSON                       SKYWARN OBSERVER REPORTED
                                          DIME SIZE HAIL 5 MILES
                                          SOUTH OF LEXINGTON
Local storm report, May 1, 7:42 PM EDT, 1 hour 13 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
742 PM EDT FRI MAY 01 1998

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

0648 PM    MONTICELLO                NC   .75 INCH HAIL
05/01/98   GUILFORD                       GUILFORD COUNTY SHERIFF
                                          DEPARTMENT REPORTED DIME
                                          SIZE HAIL NEAR MONTICELLO
                                          IN EXTREME NORTHWEST
                                          GUILFORD COUNTY.
Local storm report, May 1, 7:49 PM EDT, 1 hour 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
749 PM EDT FRI MAY 01 1998

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

0707 PM    ALTAMAHAW                 NC   1.75 INCH HAIL
05/01/98   ALAMANCE                       ALAMANCE COUNTY SHERIFF
                                          REPORTED GOLFBALL SIZE
                                          HAIL JUST NORTH OF
                                          ALTAMAHAW IN NORTHWEST
                                          ALAMANCE COUNTY.
Local storm report, May 1, 8:13 PM EDT, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
813 PM EDT FRI MAY 01 1998

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

0713 PM    UNION RIDGE               NC   1.75 INCH HAIL
05/01/98   ALAMANCE                       SKY WARN OBSERVER REPORTED
                                          GOLFBALL SIZE HAIL IN
                                          UNION RIDGE IN ALAMANCE
                                          COUNTY.
Local storm report, May 1, 8:16 PM EDT, 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
816 PM EDT FRI MAY 01 1998

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

0803 PM    BUSHY FORK                NC   .88 INCH HAIL
05/01/98   PERSON                         PERSON COUNTY 911 REPORTED
                                          NICKEL SIZE HAIL IN BUSHY
                                          FORK/HURDLE MILLS AREA IN
                                          PERSON COUNTY.
Local storm report, May 1, 8:55 PM EDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
855 PM EDT FRI MAY 01 1998

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

0853 PM    RAEFORD                   NC   .75 INCH HAIL
05/01/98   HOKE                           HOKE COUNTY SHERIFF
                                          DEPARTMENT REPORTED DIME
                                          SIZE HAIL NEAR RAEFORD IN
                                          HOKE COUNTY

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 8:15 PM EDTSevere Thunderstorm WarningRAHHalifax50 min
May 1, 8:24 PM EDTSevere Thunderstorm WarningRAHFranklin51 min
May 1, 9:23 PM EDTSevere Thunderstorm WarningRAHWarren32 min
May 1, 9:45 PM EDTSevere Thunderstorm WarningRAHVance35 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.