Alert archive / Texas / Tornado Warnings in 1998

Tornado Warning 8, NWS Lake Charles, LA

January 21, 1998Jasper County, Tyler County, Texas

NWS Lake Charles, LA issued this tornado warning at Jan 21, 1998, 9:11 PM CST for Jasper County, Tyler County, Texas. It was in force for 34 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, 9:11 PM CST (03:11 UTC)
Expired: Jan 21, 1998, 9:45 PM CST
In force: 34 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

Counties Jasper County, TX, Tyler County, TX

The radar

The Lake Charles radar (KLCH), 118 km from the middle of the area, began a volume at 03:15 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.

Issued	Product	Office	Lasted
Jan 21, 8:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 00:00Z, 3.2 hours before the alert went out and 119 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: 1567 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 528 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 120 m²/s²
0-3 km storm-relative helicity: 168 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 6.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

599 
WFUS1 KLCH 220312 RRA
TORLCH
TXC241-457-220345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
911 PM CST WED JAN 21 1998

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 945 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN SOUTHEASTERN TEXAS

   ...JASPER COUNTY
   ...TYLER COUNTY

AT 910 PM...DOPPLER RADAR INDICATED A TORNADO NEAR FRED IN TYLER
COUNTY. THE STORM WAS MOVING NORTHEAST AT 25 MPH.

RESIDENTS IN CENTRAL JASPER COUNTY SHOULD TAKE COVER FROM THIS
STORM.

THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. GO TO A SMALL
INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS AND DOORS. ABANDON
CARS AND MOBILE HOMES FOR A STURDIER BUILDING OR GET INTO A DITCH
OR CULVERT.

ERICKSON

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 21, 6:33 PM CST	Severe Thunderstorm Warning	LCH	Newton	32 min
Jan 21, 7:57 PM CST	Severe Thunderstorm Warning	LCH	Tyler	58 min
Jan 21, 8:50 PM CST	Severe Thunderstorm Warning	LCH	Jefferson	55 min
Jan 21, 9:44 PM CST	Severe Thunderstorm Warning	LCH	Jefferson	61 min
Jan 21, 9:46 PM CST	Severe Thunderstorm Warning	LCH	Newton	49 min
Jan 21, 10:32 PM CST	Severe Thunderstorm Warning	LCH	Orange	63 min
Jan 21, 10:53 PM CST	Flash Flood Warning	LCH	Jefferson	2 hr
Jan 21, 10:55 PM CST	Severe Thunderstorm Warning	LCH	Jefferson	65 min
Jan 21, 11:24 PM CST	Flash Flood Warning	LCH	Orange	2 hr
Jan 22, 1:53 AM CST	Flash Flood Warning	LCH	Jefferson	2 hr

Nearby

Tornado Warnings in Texas, 1998 Every tornado warning in 1998 Tornadoes 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.