Alert archive / Texas / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 455, NWS Shreveport, LA

November 7, 1996Smith County, Upshur County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 7, 1996, 2:38 AM CST for Smith County, Upshur County, Texas. It was in force for 67 min. 4 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: Nov 7, 1996, 2:38 AM CST (08:38 UTC)
Expired: Nov 7, 1996, 3:45 AM CST
In force: 67 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Smith County, TX, Upshur County, TX

What was reported inside it

Time	Report	Where
Nov 7, 3:00 AM CST	Thunderstorm Wind 70	Gilmer, TX
Nov 7, 3:00 AM CST	Thunderstorm Wind 60	Troup, TX
Nov 7, 3:15 AM CST	Thunderstorm Wind 60	Gilmer, TX
Nov 7, 3:20 AM CST	Thunderstorm Wind 60	Ore City, 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

Shreveport, LA (KSHV), launched 00:00Z, 8.6 hours before the alert went out and 127 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: 358 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 662 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

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 Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 6, 3:24 PM CST, 11 hours 14 minutes earlier.

Area forecast discussion, Nov 6, 3:24 PM CST, 11 hours 14 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 7, 4:12 AM CST	Severe Thunderstorm Warning	SHV	Bossier, Caddo	63 min
Nov 7, 4:33 AM CST	Severe Thunderstorm Warning	SHV	De Soto	57 min
Nov 7, 4:48 AM CST	Severe Thunderstorm Warning	SHV	Webster	57 min
Nov 7, 5:18 AM CST	Severe Thunderstorm Warning	SHV	Bossier	42 min
Nov 7, 5:22 AM CST	Severe Thunderstorm Warning	SHV	Claiborne	68 min
Nov 7, 5:35 AM CST	Tornado Warning	SHV	Red River	40 min
Nov 7, 5:40 AM CST	Severe Thunderstorm Warning	SHV	Union	65 min
Nov 7, 5:50 AM CST	Severe Thunderstorm Warning	SHV	Bienville	55 min
Nov 7, 2:38 AM CST	Severe Thunderstorm Warning	SHV	Cherokee	67 min
Nov 7, 3:03 AM CST	Severe Thunderstorm Warning	SHV	Gregg, Rusk	57 min
Nov 7, 3:09 AM CST	Severe Thunderstorm Warning	SHV	Bowie, Cass	66 min
Nov 7, 3:25 AM CST	Severe Thunderstorm Warning	SHV	Harrison, Marion	65 min
Nov 7, 3:42 AM CST	Severe Thunderstorm Warning	SHV	Nacogdoches	63 min
Nov 7, 3:42 AM CST	Severe Thunderstorm Warning	SHV	Panola	63 min
Nov 7, 3:50 AM CST	Severe Thunderstorm Warning	SHV	Angelina	40 min
Nov 7, 3:57 AM CST	Severe Thunderstorm Warning	SHV	San Augustine, Shelby	63 min
Nov 7, 3:53 AM CST	Severe Thunderstorm Warning	SHV	Hempstead, Lafayette, Nevada	67 min
Nov 7, 4:18 AM CST	Severe Thunderstorm Warning	SHV	Columbia	57 min

Nearby

Severe Thunderstorm Warnings in Texas, 1996 Every severe thunderstorm warning in 1996

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.