Alert archive / Virginia / Tornado Warnings in 1998

Tornado Warning 22, NWS Blacksburg, VA

June 11, 1998Montgomery County, Virginia

NWS Blacksburg, VA issued this tornado warning at Jun 11, 1998, 4:56 PM EDT for Montgomery County, Virginia. It was in force for 34 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
Jun 11, 1998, 4:56 PM EDT (20:56 UTC)
Expired
Jun 11, 1998, 5:30 PM EDT
In force
34 min
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Montgomery County, VA

What was reported inside it

TimeReportWhereRemark
Jun 11, 5:00 PM EDTTornado F0Radford City, VA

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 nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 8.9 hours before the alert went out and 79 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 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 25 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
25 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
36 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.

321 
WFUS01 KRNK 112055 RRA
TORRNK
VAC121-112130-

BULLETIN--EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
456 PM EDT THU JUN 11 1998

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* TORNADO WARNING FOR...
  MONTGOMERY COUNTY IN SOUTHWESTERN VIRGINIA.

* UNTIL 530 PM EDT.

* AT 455 PM EDT... BLACKSBURG DOPPLER RADAR INDICATED A TORNADO 8
  MILES SOUTHWEST OF BLACKSBURG OR 6 MILES WEST OF CHRISTIANSBURG
  MOVING EAST AT 25 MPH.

* THE TORNADO WILL BE IN THE VICINITY OF...
  CHRISTIANSBURG                  AROUND 510 PM EDT..

<< CALL TO ACTION >> THIS IS A DANGEROUS STORM.  ACT QUICKLY  IF
YOU ARE IN THE PATH OF THIS TORNADO MOVE TO A PLACE OF SAFETY
BELOW GROUND FLOOR IF POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR
CULVERT.

.END/DD

Nearby

Tornado Warnings in Virginia, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.