Alert archive / Texas / Tornado Warnings in 1991

Tornado Warning 18, NWS Shreveport, LA

November 19, 1991Panola County, Rusk County, Texas

NWS Shreveport, LA issued this tornado warning at Nov 19, 1991, 2:57 PM CST for Panola County, Rusk County, Texas. It was in force for 93 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: Nov 19, 1991, 2:57 PM CST (20:57 UTC)
Expired: Nov 19, 1991, 4:30 PM CST
In force: 93 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Panola County, TX, Rusk County, TX

What was reported inside it

Time	Report	Where	Remark
Nov 19, 3:20 PM CST	Thunderstorm Wind 0	Rusk, TX
Nov 19, 3:32 PM CST	Thunderstorm Wind 0	Panola, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 9.0 hours before the alert went out and 25 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: 1241 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 556 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 5.9

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 19, 1:56 PM CST	Tornado Warning	SHV	Caddo	94 min
Nov 19, 2:37 PM CST	Tornado Warning	SHV	Bossier	53 min
Nov 19, 12:54 PM CST	Tornado Warning	SHV	Gregg, Harrison	66 min
Nov 19, 1:30 PM CST	Severe Thunderstorm Warning	SHV	Harrison	90 min
Nov 19, 1:30 PM CST	Severe Thunderstorm Warning	SHV	Howard, Pike	90 min
Nov 19, 3:03 PM CST	Severe Thunderstorm Warning	SHV	Columbia, Lafayette	57 min
Nov 19, 3:54 PM CST	Severe Thunderstorm Warning	SHV	Nevada	66 min

Nearby

Tornado Warnings in Texas, 1991 Every tornado warning in 1991 Tornadoes in 1991

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.