Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 59, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 29, 1996, 11:46 AM CDT for Avoyelles Parish, Louisiana. It was in force for 59 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
- May 29, 1996, 11:46 AM CDT (16:46 UTC)
- Expired
- May 29, 1996, 12:45 PM CDT
- In force
- 59 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Avoyelles Parish, LA
The radar
The Ft Polk radar (KPOE), 93 km from the middle of the area, began a volume at 16:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 29, 12:15 PM CDT | Thunderstorm Wind | Marksville, 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
Lake Charles Mun, LA (KLCH), launched 12:00Z, 4.8 hours before the alert went out and 156 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.
- Mixed-layer CAPE
- 3062 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 132 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.0
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 May 29, 9:55 AM CDT, 1 hour 51 minutes earlier.
Area forecast discussion, May 29, 9:55 AM CDT, 1 hour 51 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 945 AM CDT WED MAY 29 1996 VERY UNSTABLE AIR MASS IN REGION WITH LCH 12Z SNDG PRODUCING A MODIFIED CAPE OF 5800 J/KG...LI -12...K-INDEX OF 42 AND PW OF 2.06 IN. SFC TRIGGER IS QSTNRY FNT FROM ACT-SHV-TUP LINE WITH SWRD PROPAGATING OUTFLOW BNDRYS. KSHV 88D AND SFC ANALYSIS SHOWING THESE BNDRYS PROPAGATING SW WITH CNVTN DVLPG NR NACHITOCHES. WHETHER OR NOT THESE BNDRYS MAKE INTO THE SRN ZNS IS OF SOME QUESTION AS UPPR LVL RDG BUILDS TDY. HWVR...A GOOD BET FOR CNVTN ACROSS CNTRL ZNS. A QUICK PEAK AT THE NEW ETA CONTINUES TO SHOW ITS PERSISTENCE WITH KEEPING THE FNT WELL NORTH OF FA AS OPPOSED TO AVN/NGM SLNS. 5
In the hours before
Special weather statement, May 29, 6:36 AM CDT, 5 hours 10 minutes before
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</html>The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 11:32 AM CDT | Severe Thunderstorm Warning | LCH | Rapides | 58 min |
| May 29, 5:24 PM CDT | Tornado Warning | LCH | Jasper | 66 min |
| May 29, 5:56 PM CDT | Severe Thunderstorm Warning | LCH | Tyler | 64 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1996Every severe thunderstorm warning in 1996
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; radar from the NEXRAD Level II archive.