Alert archive / North Carolina / Tornado Warnings in 1998

Tornado Warning 6, NWS Blacksburg, VA

April 19, 1998Rockingham County, North Carolina

NWS Blacksburg, VA issued this tornado warning at Apr 19, 1998, 4:32 PM EDT for Rockingham 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 19, 1998, 4:32 PM EDT (20:32 UTC)
Expired
Apr 19, 1998, 5:05 PM EDT
In force
33 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Rockingham County, NC

The radar

The Roanoke radar (KFCX), 83 km from the middle of the area, began a volume at 20:32 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 19, 3:00 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 8.5 hours before the alert went out and 37 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 12:00Z on 1998-04-19Temperature 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 12:00Z on 1998-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 408 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
499 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
408 m²/s²
0-3 km storm-relative helicity
462 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 KROA 192031 RRA
TORRNK
NCC157-192105-

BULLETIN--EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
432 PM EDT SUN APR 19 1998

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  ROCKINGHAM COUNTY IN NORTH CENTRAL NORTH CAROLINA

* UNTIL 505 PM EDT

* AT 432 PM EDT... BLACKSBURG DOPPLER RADAR INDICATED A DEVELOPING
  TORNADO 21 MILES SOUTH OF MARTINSVILLE OR IN THE VICINITY OF
  INTELLIGENCE MOVING NORTHEAST AT 45 MPH.

* THE TORNADO WILL BE IN THE VICINITY OF...

 WENTWORTH                       AROUND 435 PM EDT
 HARRISONS CROSSROADS            AROUND 445 PM EDT
 EDEN                            AROUND 445 PM EDT
 OREGON HILL                     AROUND 445 PM EDT
 DRAPER                          AROUND 450 PM EDT
 MAYFIELD                        AROUND 455 PM EDT

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

SPN

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 12:07 PM EDTFlash Flood WarningRNKAshe, Watauga4 hr
Apr 19, 2:29 PM EDTFlash Flood WarningRNKWilkes4 hr
Apr 19, 4:00 PM EDTFlash Flood WarningRNKAshe, Watauga2 hr
Apr 19, 4:10 PM EDTFlash Flood WarningRNKStokes, Surry3 hr
Apr 19, 4:10 PM EDTFlash Flood WarningRNKRockingham3 hr
Apr 19, 4:21 PM EDTSevere Thunderstorm WarningRNKRockingham49 min

Nearby

Tornado Warnings in North Carolina, 1998Every tornado warning in 1998Tornadoes 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; radar from the NEXRAD Level II archive.