Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 41, NWS Raleigh, NC

April 3, 1998Alamance County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 3, 1998, 11:07 PM EST for Alamance County, North Carolina. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 3, 1998, 11:07 PM EST (04:07 UTC)
Expired
Apr 3, 1998, 11:40 PM EST
In force
33 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Alamance County, NC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 3, 9:15 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.1 hours before the alert went out and 45 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 1998-04-04Temperature 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 00:00Z on 1998-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1030 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
266 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.

439 
WUUS1 KRDU 040408 RRA
SVRRDU
NCC001-040440-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1107 PM EST FRI APR 3 1998

THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  ALAMANCE COUNTY

* UNTIL 1140 PM EST

* THIS STORM WILL AFFECT:
  ELON COLLEGE...GLEN RAVEN...GRAHAM AND BURLINGTON


* BASIS FOR WARNING: A SEVERE THUNDERSTORM WITH LARGE HAIL WAS
REPORTED AT GIBSONVILLE ON THE GUILFORD/ALAMANCE COUNTY LINE. THE
STORM WAS MOVING EAST-NORTHEAST AT 35 MPH.

LARGE HAIL HAS ALREADY BEEN REPORTED WITH THIS STORM. TAKE SHELTER
IMMEDIATELY

JBM

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, Apr 3, 10:08 PM EST, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1008 PM EST FRI APR 03 1998

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

0958 PM    LOCUST                    NC   .5 INCH HAIL
04/03/98   STANLY

1000 PM    STANFIELD                 NC   .75 INCH HAIL
04/03/98   STANLY

1000 PM    1 S STANFIELD             NC   1 INCH HAIL
04/03/98   STANLY
Local storm report, Apr 3, 10:08 PM EST, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1008 PM EST FRI APR 03 1998

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

0958 PM    LOCUST                    NC   .5 INCH HAIL
04/03/98   STANLY

1000 PM    STANFIELD                 NC   .75 INCH HAIL
04/03/98   STANLY

1000 PM    1 S STANFIELD             NC   1 INCH HAIL
04/03/98   STANLY
Local storm report, Apr 3, 10:26 PM EST, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
525 PM EST FRI APR 03 1998

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

1022 PM    NORWOOD                   NC   1 INCH HAIL
04/03/98   STANLY
Local storm report, Apr 3, 10:27 PM EST, 40 minutes before
STORM REPORT CORRECTED
NATIONAL WEATHER SERVICE RALEIGH/DURHAM, NC
1027 PM EST FRI APR 03 1998

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

1022 PM    NORWOOD                   NC   1 INCH HAIL
04/03/98   STANLY
Local storm report, Apr 3, 11:03 PM EST, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1103 PM EST FRI APR 03 1998

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

1022 PM    NORWOOD                   NC   1 INCH HAIL
04/03/98   STANLY

1032 PM    VASS                      NC   .75 INCH HAIL
04/03/98   MOORE

1042 PM    10 SW TROY                NC   1 INCH HAIL
04/03/98   MONTGOMERY
Local storm report, Apr 3, 11:03 PM EST, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
1103 PM EST FRI APR 03 1998

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

1022 PM    NORWOOD                   NC   1 INCH HAIL
04/03/98   STANLY

1032 PM    VASS                      NC   .75 INCH HAIL
04/03/98   MOORE

1042 PM    10 SW TROY                NC   1 INCH HAIL
04/03/98   MONTGOMERY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 9:53 PM ESTSevere Thunderstorm WarningRAHStanly32 min
Apr 3, 10:20 PM ESTSevere Thunderstorm WarningRAHMontgomery45 min
Apr 3, 10:57 PM ESTSevere Thunderstorm WarningRAHGuilford33 min
Apr 3, 11:18 PM ESTSevere Thunderstorm WarningRAHSampson17 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; the sounding from the Mesonet's radiosonde archive.