Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 4, NWS Lake Charles, LA

January 22, 1999Jasper County, Newton County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 22, 1999, 9:38 AM CST for Jasper County, Newton County, Texas. It was in force for 77 min. 2 reports 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: Jan 22, 1999, 9:38 AM CST (15:38 UTC)
Expired: Jan 22, 1999, 10:55 AM CST
In force: 77 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

Counties Jasper County, TX, Newton County, TX

The radar

The Lake Charles radar (KLCH), 96 km from the middle of the area, began a volume at 15:38 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.

What was reported inside it

Time	Report	Where	Remark
Jan 22, 10:30 AM CST	Tornado F0	Call, TX
Jan 22, 10:30 AM CST	Hail 0.75	Kirbyville, TX

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

Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.6 hours before the alert went out and 97 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: 2024 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 561 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 249 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 9.8

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.

NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jan 22, 1:55 AM CST, 7 hours 43 minutes earlier.

Area forecast discussion, Jan 22, 1:55 AM CST, 7 hours 43 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 7:48 PM CST	Tornado Warning	LCH	Rapides	47 min
Jan 22, 10:26 AM CST	Tornado Warning	LCH	Beauregard, Vernon	64 min
Jan 22, 11:31 AM CST	Severe Thunderstorm Warning	LCH	Rapides, Vernon	64 min
Jan 22, 11:37 AM CST	Severe Thunderstorm Warning	LCH	Avoyelles	63 min
Jan 22, 12:27 PM CST	Severe Thunderstorm Warning	LCH	Saint Landry	63 min
Jan 22, 1:00 PM CST	Severe Thunderstorm Warning	LCH	Acadia	65 min
Jan 22, 1:44 PM CST	Severe Thunderstorm Warning	LCH	Saint Landry	61 min
Jan 22, 2:36 PM CST	Tornado Warning	LCH	Lafayette	64 min
Jan 22, 2:58 PM CST	Severe Thunderstorm Warning	LCH	Iberia	62 min
Jan 22, 5:09 PM CST	Severe Thunderstorm Warning	LCH	St. Mary	61 min
Jan 22, 9:55 AM CST	Tornado Warning	LCH	Jasper, Newton	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999 Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.