Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 40, NWS Raleigh, NC

April 3, 1998Guilford County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Apr 3, 1998, 10:57 PM EST for Guilford County, North Carolina. It was in force for 33 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: Apr 3, 1998, 10:57 PM EST (03:57 UTC)
Expired: Apr 3, 1998, 11:30 PM EST
In force: 33 min
Issued by: NWS Raleigh, NC
Area: Whole counties

County Guilford County, NC

What was reported inside it

Time	Report	Where	Remark
Apr 3, 11:02 PM EST	Hail 0.75	Gibsonville, 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 3, 9:15 PM EST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.0 hours before the alert went out and 10 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

377 
WUUS1 KRDU 040358 RRA
SVRRDU
NCC081-040430-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RALEIGH NC
1057 PM EST FRI APR 3 1998


THE NATIONAL WEATHER SERVICE IN RALEIGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  GUILFORD COUNTY

* UNTIL 1130 PM EST

* THIS STORM WILL AFFECT:
  HIGH POINT AND GREENSBORO

* BASIS FOR WARNING: RADAR INDICATED A SEVERE THUNDERSTORM OVER
WESTERN GUILFORD COUNTY MOVING EAST AT 35 MPH. THIS STORM WILL
AFFECT THE GREENSBORO AREA BY 1105 PM WITH STRONG WINDS AND
POSSIBLY LARGE HAIL. TORNADOES ARE ALSO POSSIBLE AS A TORNADO WATCH
IS IN EFFECT.

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, 5:25 PM EST, 5 hours 32 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, 6:43 PM EST, 4 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
643 PM EST FRI APR 03 1998

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

1102 PM    GIBSONVILLE               NC   .75 INCH HAIL
04/03/98   GUILFORD

1121 PM    GARLAND                   NC   .88 INCH HAIL
04/03/98   SAMPSON

Local storm report, Apr 3, 10:08 PM EST, 49 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, 49 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, 31 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, 30 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

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 9:53 PM EST	Severe Thunderstorm Warning	RAH	Stanly	32 min
Apr 3, 10:20 PM EST	Severe Thunderstorm Warning	RAH	Montgomery	45 min
Apr 3, 11:07 PM EST	Severe Thunderstorm Warning	RAH	Alamance	33 min
Apr 3, 11:18 PM EST	Severe Thunderstorm Warning	RAH	Sampson	17 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1998 Every 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.