Alert archive / Louisiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 101, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 7, 1998, 1:26 PM CST for Beauregard Parish, Louisiana. It was in force for 44 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
- Mar 7, 1998, 1:26 PM CST (19:26 UTC)
- Expired
- Mar 7, 1998, 2:10 PM CST
- In force
- 44 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Beauregard Parish, LA
The radar
The Lake Charles radar (KLCH), 59 km from the middle of the area, began a volume at 19:29 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 |
|---|---|---|---|
| Mar 7, 1:50 PM CST | Hail 0.75 | Dry Creek, 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, 7.4 hours before the alert went out and 60 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
- 666 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 549 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 201 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
587 WUUS1 KLCH 071928 RRA SVRLCH LAC011-072010- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 126 PM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 210 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWESTERN LOUISIANA ...BEAUREGARD PARISH AT 125 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...4 MILES SOUTH OF DERIDDER...MOVING NORTHEAST AT 40 MPH. PERSONS IN THE COMMUNITIES OF LONGVILLE...DERIDDER AND SUGARTOWN ARE IN THE PATH OF THIS STORM. THE MAIN THREAT FROM THIS STORM WILL BE QUARTER SIZE HAIL. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. IF A TORNADO APPROACHES YOUR AREA...REMAIN CALM...MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS...SUCH AS A BATHROOM OR CLOSET. PROTECT YOURSELF FROM FLYING DEBRIS WITH BLANKETS OR PILLOWS.
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 7, 12:52 PM CST, 34 minutes earlier.
Area forecast discussion, Mar 7, 12:52 PM CST, 34 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 130 PM CST SAT MAR 7 1998 APPEARS AFT WILL BE BUSY AS TSTMS BEGINNING TO REGENERATE. DECENT TORNADO THREAT THIS AFTERNOON AS LOW LEVEL SHEAR INCREASING AS SFC WINDS INCREASE. WILL HIT THE HIGH PTS OF FORECAST. MODELS IN BETTER AGREEMENT THAN THEY HAVE BEEN WITH PREVIOUS RUNS. HAVE TRENDED CLOSE TO ETA SOLN WITH UPCOMING FORECAST. AXIS OF DEEP MOISTURE WILL DICTATE POPS FOR FIRST PD. IT MOVES EAST TONIGHT WELL AHEAD OF COLD AIR...ALONG AND JUST AHEAD OF SFC TROF/DRY LINE CURRENTLY SOUTH OF DEVELOPING SFC LOW BETWEEN LFK AND CLL. BEST CHC FOR SVR WILL BE THIS AFT/EARLY EVE ACROSS AREA AS SOME HEATING OCCURS AND ATMOS FURTHER DESTABILIZES. WOULD LIKE TO KKEP FFA FOR LA ZONES FOR PRIMARILY EVENING HVY RAIN POTENTIAL...HOWEVER BEST MOISTURE WILL BE EAST OF SE TX BY 00Z SO WILL LET FFA FOR THAT AREA EXPIRE AT 00Z. LIKE SLIGHTLY COOLER HIGHS 2ND PD WITH CC REMAINING MOST OF DAY AND DECENT CAA. WILL KEEP POPS FOR SUN MORNING WITH STRONG VORT ROUNDING BASE OF TROF. 1 BPT 54/60/36/58 3200 LCH 55/60/37/58 6200 LFT 55/59/38/59 6200 AEX 53/57/36/57 6200
In the hours before
Local storm report, Mar 7, 7:50 AM CST, 5 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
750 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
700 AM 5 S SULPHUR LA 0.75 INCH HAIL
03/07/98 CALCASIEU IN CARLYSS AREA
ERICKSONLocal storm report, Mar 7, 7:50 AM CST, 5 hours 36 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
750 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
700 AM 5 S SULPHUR LA 0.75 INCH HAIL
03/07/98 CALCASIEU IN CARLYSS AREA
ERICKSONSpecial weather statement, Mar 7, 10:17 AM CST, 3 hours 9 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-071915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1017 AM CST SAT MAR 7 1998 ...THE TORNADO WATCH IN EFFECT UNTIL 10 AM HAS BEEN ALLOWED TO EXPIRE... STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO PUSH NORTHEAST OUT OF CENTRAL LOUISIANA. THEREFORE THE WATCH FOR SOUTHEAST TEXAS...SOUTHWEST...SOUTH CENTRAL...AND PORTIONS OF CENTRAL LOUISIANA HAS BEEN ALLOWED TO EXPIRE. THUNDERSTORM RE-DEVELOPMENT IS EXPECTED LATER THIS AFTERNOON. THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL OCCUR LATE THIS AFTERNOON AND TONIGHT AS ADDITIONAL UPPER LEVEL ENERGY AND A COLD FRONT APPROACHS FROM THE WEST.
Special weather statement, Mar 7, 10:17 AM CST, 3 hours 9 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-071915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1017 AM CST SAT MAR 7 1998 ...THE TORNADO WATCH IN EFFECT UNTIL 10 AM HAS BEEN ALLOWED TO EXPIRE... STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO PUSH NORTHEAST OUT OF CENTRAL LOUISIANA. THEREFORE THE WATCH FOR SOUTHEAST TEXAS...SOUTHWEST...SOUTH CENTRAL...AND PORTIONS OF CENTRAL LOUISIANA HAS BEEN ALLOWED TO EXPIRE. THUNDERSTORM RE-DEVELOPMENT IS EXPECTED LATER THIS AFTERNOON. THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL OCCUR LATE THIS AFTERNOON AND TONIGHT AS ADDITIONAL UPPER LEVEL ENERGY AND A COLD FRONT APPROACHS FROM THE WEST.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 6, 11:48 PM CST | Severe Thunderstorm Warning | LCH | Jefferson Davis | |
| 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, 1:50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.