Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 12, NWS Raleigh, NC

March 20, 1998Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Mar 20, 1998, 6:00 PM EST for Wake County, North Carolina. It was in force for 35 min. 4 reports 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
Mar 20, 1998, 6:00 PM EST (23:00 UTC)
Expired
Mar 20, 1998, 6:35 PM EST
In force
35 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Wake County, NC

What was reported inside it

TimeReportWhereRemark
Mar 20, 6:15 PM ESTTornado F0Holly Spgs, NCA home video of this storm showed a wall cloud with several small vortices. One of these touched down very briefly and damaged the roof of one home. The adjacent homes, and there were many, were untouched. The insulation from the home was then spread into a
Mar 20, 6:25 PM ESTHail 0.75Cary, NCDime size hail was reported by National Weather Service Employees at Waverly Place in Cary and at a Raleigh residence near Gorman Street and the Beltline.
Mar 20, 6:40 PM ESTTornado F2Garner, NCThe tornado remained a funnel as it roared over the Greenbrier Estates just east of US401. Trees were sporadically uprooted and snapped off. Several trees fell on homes and outbuildings. The tornado touched down on Highway 70 at a church. The roof of one secti
Mar 20, 6:45 PM ESTTornado F0Raleigh, NCThe storm that hit Garner produced another tornado 6 miles to the northeast on the east side of Raleigh. Damage began just off US64 at Wake Medical Center and the Tower Shopping Center. Cars were overturned, trees were damaged, and a steel-beamed billboard wa

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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 20, 1:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 11.0 hours before the alert went out and 174 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, Roanoke, VA at 12:00Z on 1998-03-20Temperature 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, Roanoke, VA at 12:00Z on 1998-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Mar 20, 3:30 PM EST, 2 hours 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
330 PM EST FRI MAR 20 1998

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

0238 PM    PFAFFTOWN                 NC   1 INCH HAIL
03/20/98   FORSYTH                        REPORTED BY SKYWARN
                                          SPOTTER

0320 PM    WINSTON SALEM             NC   1 INCH HAIL
03/20/98   FORSYTH                        QUARTER INCH HAIL REPORTED
                                          BY SHERIFFS DEPARTMENT
Local storm report, Mar 20, 4:18 PM EST, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
418 PM EST FRI MAR 20 1998

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

0412 PM    SOPHIA                    NC   .75 INCH HAIL
03/20/98   RANDOLPH                       THREE QUARTER INCH HAIL
                                          REPORTED IN SOPHIA...PER
                                          RANDOLPH COUNTY SHERIFF
Local storm report, Mar 20, 5:01 PM EST, 59 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
501 PM EST FRI MAR 20 1998

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

0315 PM    MEBANE                    NC   .5 INCH HAIL
03/20/98   ALAMANCE                       HALF INCH HAIL NEAR THE
                                          ALAMANCE/ORANGE COUNTY
                                          LINE NEAR I-85

0359 PM    ROXBORO                   NC   2 INCH HAIL
03/20/98   PERSON                         TWO INCH HAIL REPORTED BY
                                          SKYWARN

0359 PM    DENTON                    NC   .75 INCH HAIL
03/20/98   DAVIDSON                       REPORTED BY SKYWARN

0404 PM    FLINT HILL                NC   .5 INCH HAIL
03/20/98   RANDOLPH                       HALF INCH HAIL REPORTED
                                          WESTERN PORTION OF
                                          COUNTY...PEA SIZE IN
                                          ARCHDALE

0438 PM    BURLINGTON                NC   1 INCH HAIL
03/20/98   ALAMANCE                       QUARTER SIZE HAIL BETWEEN
                                          GRAHAM & BURLINGTON...RPTD
                                          BY WEATHER OBSERVER
Local storm report, Mar 20, 5:05 PM EST, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
505 PM EST FRI MAR 20 1998

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

0500 PM    BURLINGTON                NC   .75 INCH HAIL
03/20/98   ALAMANCE                       DIME SIZE HAIL REPORTED ON
                                          COY STREET BY WEATHER
                                          SPOTTER
Local storm report, Mar 20, 5:50 PM EST, 10 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
550 PM EST FRI MAR 20 1998

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

0318 PM    WINSTON SALEM             NC   1 INCH HAIL
03/20/98   FORSYTH                        SHERIFF DEPT. REPORTED
                                          QUARTER INCH HAIL IN
                                          WINSTON SALEM.

0320 PM    WINSTON SALEM             NC   1 INCH HAIL
03/20/98   FORSYTH                        REPORTED BY FORSYTH COUNTY
                                          SHERIFF
Local storm report, Mar 20, 5:54 PM EST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH NC
554 PM EST FRI MAR 20 1998

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

0548 PM    PISGAH                    NC   .75 INCH HAIL
03/20/98   RANDOLPH                       RANDOLPH COUNTY EMERGENCY
                                          MANAGEMENT REPORTED DIME
                                          SIZE HAIL IN THE PISGAH
                                          COMMUNITY

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 2:35 PM ESTSevere Thunderstorm WarningRAHForsyth30 min
Mar 20, 3:17 PM ESTSevere Thunderstorm WarningRAHForsyth33 min
Mar 20, 3:36 PM ESTSevere Thunderstorm WarningRAHDavidson34 min
Mar 20, 3:54 PM ESTSevere Thunderstorm WarningRAHRandolph31 min
Mar 20, 4:15 PM ESTTornado WarningRAHPerson30 min
Mar 20, 4:20 PM ESTSevere Thunderstorm WarningRAHGuilford35 min
Mar 20, 4:41 PM ESTSevere Thunderstorm WarningRAHAlamance34 min
Mar 20, 5:27 PM ESTTornado WarningRAHPerson33 min
Mar 20, 5:33 PM ESTSevere Thunderstorm WarningRAHRandolph32 min
Mar 20, 5:58 PM ESTSevere Thunderstorm WarningRAHDurham, Orange32 min
Mar 20, 6:26 PM ESTTornado WarningRAHChatham, Wake34 min
Mar 20, 6:28 PM ESTSevere Thunderstorm WarningRAHAlamance32 min
Mar 20, 6:44 PM ESTSevere Thunderstorm WarningRAHGranville31 min
Mar 20, 6:50 PM ESTTornado WarningRAHGranville35 min
Mar 20, 6:56 PM ESTSevere Thunderstorm WarningRAHOrange29 min
Mar 20, 6:56 PM ESTSevere Thunderstorm WarningRAHFranklin29 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.