Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 258, NWS Shreveport, LA

July 16, 1992Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 16, 1992, 7:38 PM CDT for Morehouse Parish, Richland Parish, West Carroll Parish, Louisiana. It was in force for 67 min.

The area

The counties it named.

The facts

Issued: Jul 16, 1992, 7:38 PM CDT (00:38 UTC)
Expired: Jul 16, 1992, 8:45 PM CDT
In force: 67 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties Morehouse Parish, LA, Richland Parish, LA, West Carroll Parish, LA

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 0.6 hours before the alert went out and 277 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: 1575 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1591 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 110 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.9

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.

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.

In the hours before

Special weather statement, Jul 16, 3:31 PM CDT, 4 hours 7 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
Jul 17, 2:49 PM CDT	Severe Thunderstorm Warning	SHV	Natchitoches, Sabine	71 min
Jul 17, 4:00 PM CDT	Severe Thunderstorm Warning	SHV	Union	60 min
Jul 17, 2:13 AM CDT	Flash Flood Warning	SHV	Little River, Sevier	5 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992 Every severe thunderstorm warning in 1992

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.