Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 152, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 3, 1998, 10:50 AM CDT for Jefferson Davis Parish, Louisiana. It was in force for 45 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
- Oct 3, 1998, 10:50 AM CDT (15:50 UTC)
- Expired
- Oct 3, 1998, 11:35 AM CDT
- In force
- 45 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jefferson Davis Parish, LA
The radar
The Lake Charles radar (KLCH), 42 km from the middle of the area, began a volume at 15:49 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 3.8 hours before the alert went out and 41 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
- 672 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 1015 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
617 WUUS1 KLCH 031552 RRA SVRLCH LAC053-031635- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1050 AM CDT SAT OCT 3 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JEFFERSON DAVIS PARISH IN SOUTHWESTERN LOUISIANA * UNTIL 1135 AM CDT * AT 1050 AM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES WEST OF JENNINGS MOVING EAST AT 20 MPH. * THIS STORM CAN BE EXPECTED NEAR... LAKE ARTHUR BY 1105 AM CDT JENNINGS BY 1110 AM CDT HATHAWAY BY 1110 AM CDT THE MAIN THREAT FROM THESE THUNDERSTORMS IS STRONG STRAIGHT LINE WINDS. FOR YOUR PROTECTION...SEEK SHELTER IN A STRONG BUILDING. IF YOU ARE DRIVING...SLOW DOWN...THE HIGH WINDS MAY BLOW YOU OFF THE ROAD.
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 Oct 3, 9:19 AM CDT, 1 hour 31 minutes earlier.
Area forecast discussion, Oct 3, 9:19 AM CDT, 1 hour 31 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 919 AM CDT SAT OCT 3 1998 STRONG THUNDERSTORMS CURRENTLY MOVING THROUGH LCH FA. ACTIVITY DUE TO OUTFLOW BOUNDRY PROPAGATING OUT OF NORTHEAST TEXAS AND MID LEVEL TROF WHICH HAS ALSO ENHANCED CONVECTION. LCH SOUNDING MODERATELY UNSTABLE AROUND 2000 J/KG AND PRECIPITABLE WATER RUNNING AROUND TWO INCHES. EXPECT ACTIVITY TO CONTINUE PUSHING EASTFWARD TODAY AS MID LEVEL ENERGY MOVES EAST. LOCALLY HEAVY RAINFALL POSSIBLE. GIVEN CURRENT TRENDS NEED TO UP POPS OVER SOUTHCENTRAL LA TO 80 PERCENT ELSEWHERE LOOKS GOOD. 12
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 3, 10:09 AM CDT | Flash Flood Warning | LCH | Calcasieu | 91 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1998Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.