Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 5, NWS Fort Worth, TX

January 21, 1998Robertson County, Texas

NWS Fort Worth, TX issued this tornado warning at Jan 21, 1998, 3:53 PM CST for Robertson County, Texas. It was in force for 52 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
Jan 21, 1998, 3:53 PM CST (21:53 UTC)
Expired
Jan 21, 1998, 4:45 PM CST
In force
52 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Robertson County, TX

The radar

The Ft Hood radar (KGRK), 90 km from the middle of the area, began a volume at 21:56 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
Jan 21, 2:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 214 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, Fort Worth, TX at 12:00Z on 1998-01-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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, Fort Worth, TX at 12:00Z on 1998-01-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 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
45 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
154 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.

880 
WFUS1 KFTW 212154 RRA
TORFTW
TXC395-212245-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
353 PM CST WED JAN 21 1998
 
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL TEXAS
 
   ...ROBERTSON COUNTY
 
AT 353 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A DEVELOPING
TORNADO 15 MILES NORTHEAST OF HEARNE. MOVEMENT WAS NORTHEAST AT 15 TO 20
MPH. CAMP CREEK LAKE IS IN THE PATH OF THIS STORM.
 
THIS STORM IS ALSO CAPABLE OF PRODUCING HAIN TO 1 1/2 INCHES IN
DIAMETER...DAMAGING WINDS...VERY HEAVY RAIN...AND DEADLY LIGHTNING.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 21, 12:44 PM CSTSevere Thunderstorm WarningFWDEllis46 min
Jan 21, 1:00 PM CSTSevere Thunderstorm WarningFWDHenderson, Van Zandt60 min
Jan 21, 1:09 PM CSTSevere Thunderstorm WarningFWDKaufman66 min
Jan 21, 2:33 PM CSTSevere Thunderstorm WarningFWDMilam42 min
Jan 21, 2:42 PM CSTSevere Thunderstorm WarningFWDBell, Falls63 min
Jan 21, 3:00 PM CSTSevere Thunderstorm WarningFWDRobertson60 min
Jan 21, 3:14 PM CSTSevere Thunderstorm WarningFWDMilam61 min
Jan 21, 4:01 PM CSTSevere Thunderstorm WarningFWDCollin, Dallas59 min
Jan 21, 4:15 PM CSTTornado WarningFWDLeon45 min
Jan 21, 4:46 PM CSTSevere Thunderstorm WarningFWDEllis59 min
Jan 21, 4:58 PM CSTTornado WarningFWDLeon62 min
Jan 21, 5:22 PM CSTSevere Thunderstorm WarningFWDKaufman68 min
Jan 21, 5:34 PM CSTFlash Flood WarningFWDLeon, Robertson4 hr

Nearby

Tornado Warnings in Texas, 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.