Alert archive / Louisiana / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 98, NWS Lake Charles, LA

June 16, 2008Beauregard Parish, Calcasieu Parish, Louisiana

NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 16, 2008, 7:22 PM CDT for Beauregard Parish, Calcasieu Parish, Louisiana. It was in force for 23 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: Jun 16, 2008, 7:22 PM CDT (00:22 UTC)
Expired: Jun 16, 2008, 7:45 PM CDT
In force: 23 min
Issued by: NWS Lake Charles, LA
Area: Storm-based polygon

Counties Beauregard Parish, LA, Calcasieu Parish, LA

The radar

The Lake Charles radar (KLCH), 37 km from the middle of the area, began a volume at 00:26 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.4 hours before the alert went out and 230 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: 428 J/kg
Mixed-layer CIN: -165 J/kg
Mixed-layer LCL: 1378 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.1

Open this sounding in Storm Lab

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 Jun 16, 4:45 PM CDT, 2 hours 37 minutes earlier.

Area forecast discussion, Jun 16, 4:45 PM CDT, 2 hours 37 minutes before

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Hazardous weather outlook, Jun 16, 5:20 AM CDT, 14 hours 2 minutes before

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In the hours before

Special weather statement, Jun 16, 5:41 PM CDT, 1 hour 41 minutes before

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Special weather statement, Jun 16, 5:50 PM CDT, 1 hour 32 minutes before

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Special weather statement, Jun 16, 5:59 PM CDT, 1 hour 23 minutes before

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Special weather statement, Jun 16, 6:51 PM CDT, 31 minutes before

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Special weather statement, Jun 16, 6:55 PM CDT, 27 minutes before

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Special weather statement, Jun 16, 6:59 PM CDT, 23 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
Jun 16, 7:08 PM CDT	Severe Thunderstorm Warning	LCH	Acadia, Allen, Evangeline, Jefferson Davis	37 min
Jun 17, 5:06 PM CDT	Special Marine Warning	LCH		54 min
Jun 17, 5:43 PM CDT	Special Marine Warning	LCH		92 min
Jun 17, 5:59 PM CDT	Special Marine Warning	LCH		91 min
Jun 17, 6:18 PM CDT	Areal Flood Advisory	LCH	Vermilion	3 hr
Jun 17, 2:33 PM CDT	Severe Thunderstorm Warning	LCH	Newton	27 min
Jun 17, 2:59 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	31 min
Jun 17, 3:40 PM CDT	Severe Thunderstorm Warning	LCH	Jasper, Newton	50 min
Jun 17, 4:06 PM CDT	Severe Thunderstorm Warning	LCH	Jasper	39 min
Jun 17, 4:14 PM CDT	Severe Thunderstorm Warning	LCH	Tyler	46 min
Jun 17, 4:24 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson, Orange	51 min
Jun 17, 5:08 PM CDT	Severe Thunderstorm Warning	LCH	Jefferson, Orange	52 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 2008 Every severe thunderstorm warning in 2008

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.