Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 82, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 6, 1998, 11:48 PM CST for Jefferson Davis Parish, Louisiana. It was in force for . 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 6, 1998, 11:48 PM CST (05:48 UTC)
- Expired
- Mar 6, 1998, 12:50 PM CST
- In force
- 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 05:49 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 00:00Z, 5.8 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
- 904 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
589 WUUS1 KLCH 061800 SVRLCH LAC053-061850- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 1148 PM CST FRI MAR 6 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1250 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWESTERN LOUISIANA ...JEFFERSON DAVIS PARISH AT 1145 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF HAYES MOVING NORTHEAST AT 15 MPH. THIS STORM WILL MAINLY AFFECT AREAS SOUTH OF I-10 DURING THE NEXT HOUR. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND TORRENTIAL RAIN. FOR YOUR PROTECTION...SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS AND AVOID USING TELEPHONES...COMPUTERS...OR OTHER ELECTRICAL EQUIPMENT UNTIL THE STORM HAS PASSED.
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 6, 8:05 PM CST, 3 hours 43 minutes earlier.
Area forecast discussion, Mar 6, 8:05 PM CST, 3 hours 43 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 805 PM CST FRI MAR 6 1998 SCT TSRA CONTINUING OVER SC LA ALONG STATIONARY FRONT...LOCATED ALONG TX COAST EXTENDING INTO CENTRAL LA AND MISS. STORMS ALONG COAST CONTINUE TO GET GOOD LOW LEVEL CONVERGENCE AS THEY TRACK EASTWARD PER VWP. ALSO SOME ENHANCEMENT WITH UPPER LEVEL JET. ACTIVITY HAS STAYED JUST BELOW SVR CRITERIA AND BELIEVE THIS TREND WILL CONTINUE THROUGH THE OVERNIGHT HOURS. MAY SEE SOME CONVECTION CONTINUE TO FIRE ALONG BOUNDRY TONIGHT AS IT MOVES NORTH AS A WARM FRONT. 00Z LCH SOUNDING CONTINUES TO INDICATE VERY MOIST AND UNSTABLE ATMOSPHERE WITH CAPES AROUND 1000 J/KG AND PWS RUNNING AROUND 1.7. STILL BELIEVE THAT BEST CHANCE WILL BE 12Z SAT THROUGH THE EARLY AFTERNOON HOURS FOR SVR WX. FOG MAY BE A PROBLEM TONIGHT FOR SOME AREAS...WILL HANDLE LOCALLY WITH NPW. MAY WANT TO LOWER POPS ACROSS SW AND CENTRAL LA TO 40% FOR TONIGHT...LOWER TEMPS AT AEX TO UPPER 50S GIVEN CURRENT TEMP/DWPT. ELSEWHERE FORECAST LOOKS GOOD. 12
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 2:42 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 63 min |
| Mar 7, 3:41 AM CST | Severe Thunderstorm Warning | LCH | Allen | 59 min |
| Mar 7, 3:51 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 34 min |
| Mar 7, 3:57 AM CST | Severe Thunderstorm Warning | LCH | Vermilion | 58 min |
| Mar 7, 4:36 AM CST | Severe Thunderstorm Warning | LCH | Rapides | 59 min |
| Mar 7, 4:40 AM CST | Tornado Warning | LCH | Vermilion | 65 min |
| Mar 7, 4:55 AM CST | Severe Thunderstorm Warning | LCH | Acadia | 45 min |
| Mar 7, 5:11 AM CST | Severe Thunderstorm Warning | LCH | Beauregard | 44 min |
| Mar 7, 5:17 AM CST | Severe Thunderstorm Warning | LCH | Iberia | 63 min |
| Mar 7, 5:57 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 43 min |
| Mar 7, 6:24 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 61 min |
| Mar 7, 6:36 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu | 49 min |
| Mar 7, 6:45 AM CST | Flash Flood Warning | LCH | Calcasieu | 2 hr |
| Mar 7, 7:50 AM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | 40 min |
| Mar 7, 1:26 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 44 min |
| Mar 7, 1:50 PM CST | Severe Thunderstorm Warning | LCH | Allen | 45 min |
| Mar 7, 2:14 PM CST | Severe Thunderstorm Warning | LCH | Rapides | 56 min |
| Mar 7, 2:20 PM CST | Severe Thunderstorm Warning | LCH | Saint Landry | 60 min |
| Mar 7, 2:51 PM CST | Severe Thunderstorm Warning | LCH | Beauregard | 34 min |
| Mar 7, 2:58 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 47 min |
| Mar 7, 3:49 PM CST | Severe Thunderstorm Warning | LCH | Vernon | 46 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.