Alert archive / Louisiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 25, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 17, 1996, 10:10 PM CST for Saint Landry Parish, Louisiana. It was in force for 50 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 17, 1996, 10:10 PM CST (04:10 UTC)
- Expired
- Mar 17, 1996, 11:00 PM CST
- In force
- 50 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Saint Landry Parish, LA
The radar
The Ft Polk radar (KPOE), 111 km from the middle of the area, began a volume at 04:11 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 4.2 hours before the alert went out and 126 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
- 811 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 1320 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -1.3
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 17, 3:55 PM CST, 6 hours 15 minutes earlier.
Area forecast discussion, Mar 17, 3:55 PM CST, 6 hours 15 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 355 PM CST SUN MAR 17 1996 DISC: DUE TO SVR WX IN FA ONLY LOOKED AT GRIDDED DATA BRIEFLY. SVR TRW VERIFIED OVR RAPIDES PARISH WITH PENNY/DIME SIZE HAIL. AS FOR FCST...WITH WK FNTL BNDRY RMNG IN FCST AREA AND STEEP LAPSE RATES AS 50H TEMPS ARE NR 18C SVR WX WL BE A PRBLM THE RMDR OF AFT. LOSS OF SFC HEATING THIS EVE THO WL END THREAT (CURRENT WW-95 THRU 00Z). A SERIES OF SHORT WAVES WL AFFECT THE REGION TNITE WITH DIFFLUENT FLOW ALOFT AND AN UNSTABLE AIR MASS IN PLACE. SECOND SHORT WAVE OVR TX PNHDL RESPONSIBLE FOR CYCLOGENESIS OVER WEST TX THIS AFT WL SWING ASSOC CLD FNT THRU IN THE MRNG. MDLS INDICATE DRY SLOT AHD OF LOW BUT BLV SUFF MSTR AVBL IN BNDRY LYR TO INITIATE CNVCTN...WITH PSSBL SVR. 5
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 6:25 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 65 min |
| Mar 17, 6:51 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 69 min |
| Mar 17, 7:35 PM CST | Severe Thunderstorm Warning | LCH | Avoyelles | 55 min |
| Mar 17, 7:58 PM CST | Severe Thunderstorm Warning | LCH | Beauregard, Vernon | 62 min |
| Mar 17, 8:42 PM CST | Severe Thunderstorm Warning | LCH | Allen | 63 min |
| Mar 17, 9:28 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 47 min |
| Mar 17, 9:35 PM CST | Severe Thunderstorm Warning | LCH | Evangeline | 40 min |
| Mar 17, 10:34 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 56 min |
| Mar 17, 10:37 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 38 min |
| Mar 17, 11:37 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 53 min |
| Mar 17, 6:45 PM CST | Severe Thunderstorm Warning | LCH | Newton | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.