Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 36, NWS Lake Charles, LA

March 8, 1999Tyler County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 8, 1999, 4:18 PM CST for Tyler County, Texas. It was in force for 62 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: Mar 8, 1999, 4:18 PM CST (22:18 UTC)
Expired: Mar 8, 1999, 5:20 PM CST
In force: 62 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

County Tyler County, TX

The radar

The Lake Charles radar (KLCH), 132 km from the middle of the area, began a volume at 22:20 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
Mar 8, 12:00 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.3 hours before the alert went out and 199 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 891 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 627 m²/s²
0-3 km storm-relative helicity: 864 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Mar 8, 1:20 PM CST, 2 hours 58 minutes earlier.

Area forecast discussion, Mar 8, 1:20 PM CST, 2 hours 58 minutes before

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In the hours before

Special weather statement, Mar 8, 11:25 AM CST, 4 hours 53 minutes before

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Special weather statement, Mar 8, 11:25 AM CST, 4 hours 53 minutes before

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Special weather statement, Mar 8, 2:55 PM CST, 1 hour 23 minutes before

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Special weather statement, Mar 8, 2:55 PM CST, 1 hour 23 minutes before

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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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.