Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 178, NWS New Orleans, LA

June 22, 1998Pointe Coupee Parish, West Baton Rouge Parish, Louisiana

NWS New Orleans, LA issued this severe thunderstorm warning at Jun 22, 1998, 3:11 PM CDT for Pointe Coupee Parish, West Baton Rouge Parish, Louisiana. It was in force for 64 min. 1 report 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: Jun 22, 1998, 3:11 PM CDT (20:11 UTC)
Expired: Jun 22, 1998, 4:15 PM CDT
In force: 64 min
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Pointe Coupee Parish, LA, West Baton Rouge Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jun 22, 3:30 PM CDT	Thunderstorm Wind	New Roads, LA

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

Jackson, MS (KJAN), launched 12:00Z, 8.2 hours before the alert went out and 233 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: 1733 J/kg
Mixed-layer CIN: -92 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -61 m²/s²
0-3 km storm-relative helicity: -16 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.

In the hours before

Special weather statement, Jun 22, 10:25 AM CDT, 4 hours 46 minutes before

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Local storm report, Jun 22, 2:05 PM CDT, 1 hour 6 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 21, 7:18 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana	27 min
Jun 22, 2:50 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana	45 min
Jun 22, 3:07 PM CDT	Severe Thunderstorm Warning	LIX	Livingston	18 min
Jun 22, 3:32 PM CDT	Severe Thunderstorm Warning	LIX	East Baton Rouge, East Feliciana	63 min
Jun 22, 3:32 PM CDT	Severe Thunderstorm Warning	LIX	West Feliciana	63 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1998 Every severe thunderstorm warning in 1998

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.