Alert archive / North Carolina / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 61, NWS Raleigh, NC

May 1, 1998Warren County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at May 1, 1998, 9:23 PM EDT for Warren County, North Carolina. It was in force for 32 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
May 1, 1998, 9:23 PM EDT (01:23 UTC)
Expired
May 1, 1998, 9:55 PM EDT
In force
32 min
Issued by
NWS Raleigh, NC
Area
Whole counties

County Warren County, NC

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 1.4 hours before the alert went out and 153 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 00:00Z on 1998-05-02Temperature 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 00:00Z on 1998-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -75 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-75 m²/s²
0-3 km storm-relative helicity
-25 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, May 1, 7:42 PM EDT, 1 hour 41 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 34 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, 1 hour 10 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, 1 hour 7 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, 28 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
Local storm report, May 1, 9:07 PM EDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RALEIGH/DURHAM NC
907 PM EDT FRI MAY 01 1998

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

0820 PM    ENFIELD                   NC   .75 INCH HAIL
05/01/98   HALIFAX                        HALIFAX COUNTY 911
                                          REPORTED DIME SIZE HAIL IN
                                          ENFIELD IN HALIFAX 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, 8:55 PM EDTSevere Thunderstorm WarningRAHGranville45 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; the sounding from the Mesonet's radiosonde archive.