Alert archive / Louisiana / Flash Flood Warnings in 1998
Flash Flood Warning 46, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Mar 7, 1998, 6:45 AM CST for Calcasieu Parish, Louisiana. It was in force for 2 hr. 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 7, 1998, 6:45 AM CST (12:45 UTC)
- Expired
- Mar 7, 1998, 8:45 AM CST
- In force
- 2 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Calcasieu Parish, LA
The radar
The Lake Charles radar (KLCH), 18 km from the middle of the area, began a volume at 12:45 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, 0.8 hours before the alert went out and 19 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.
000 TTAA00 KLCH 071246 FFWLCH LAC019-071445- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 645 AM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 845 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHWESTERN LOUISIANA ...CALCASIEU PARISH AT 640 AM...A LARGE SEVERE THUNDERSTORM WAS MOVING INTO WESTERN CALCASIEU PARISH AT 20 MPH. DUE TO THE SIZE AND SLOW MOVEMENT OF THIS STORM...FLASH FLOODING IS EXPECTED ACROSS SOUTHERN SECTIONS OF LAKE CHARLES. EXPECT TWO TO THREE INCHES OF RAIN TO FALL BY 800 AM...WITH ISOLATED SPOTS OF FOUR INCHES. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. REMEMBER...MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Mar 7, 1:55 AM CST, 4 hours 50 minutes earlier.
Area forecast discussion, Mar 7, 1:55 AM CST, 4 hours 50 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 155 AM CST SAT MAR 7 1998 STRONGEST ACTIVITY NOW PUSHING NORTHEAST OF FA WITH ACTIVITY REDEVELOPING ALONG COASTAL SECTIONS WHERE JET SUPPORT CONTINUES. NEXT BOUT OF SEVERE WEATHER STILL ON TAP BEGINNING LATE THIS MORNING... CONTINUING INTO THIS EVENING WHEN SURFACE COLD FRONT SWEEPS EAST ACROSS FA. MODELS STILL SHOWING IMPRESSIVE DIRECTIONAL DIVERGENCE UPSTREAM DEVELOPING/DEEPENING UPPER LEVEL LOW. FLASH FLOOD WATCH THROUGH THIS EVENING STILL LOOKS GOOD DUE TO RECENT RAINS...00Z LCH SOUNDING SHOWED PW VALUES AROUND 1.7 INCHES. PATCHY FOG REDEVELOPING ALONG COASTAL SECTIONS THIS MORNING...HOWEVER NOT EXPECTING WIDESPREAD DENSE FOG. LITTLE CHANGE IN TEMPERTURES EXPECTED TODAY AS THICKNESSES CHANGE LITTLE. 09 BPT 76/57/65 850 LCH 75/59/65 850 LFT 74/60/66 860 AEX 70/56/64 870 TX ZONES... LA ZONES...
In the hours before
Local storm report, Mar 7, 6:03 AM CST, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
603 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
545 AM 5 W NEW IBERIA LA 0.75 INCH HAIL
03/07/98 IBERIA
ERICKSONLocal storm report, Mar 7, 6:03 AM CST, 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
603 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
545 AM 5 W NEW IBERIA LA 0.75 INCH HAIL
03/07/98 IBERIA
ERICKSONLocal storm report, Mar 7, 6:19 AM CST, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
619 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
555 AM LUMBERTON TX 0.75 INCH HAIL
03/07/98 HARDIN
605 AM PORT ARTHUR TX 58 MPH WIND GUST
03/07/98 JEFFERSON REPORT BY TUGBOAT OPERATOR
605 AM BRIDGE CITY TX 0.75 INCH HAIL
03/07/98 ORANGE ALSO REPORTS OF SEVERAL STREETS
UNDER WATER DUE TO STREET
FLOODING
ERICKSONLocal storm report, Mar 7, 6:19 AM CST, 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
619 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
555 AM LUMBERTON TX 0.75 INCH HAIL
03/07/98 HARDIN
605 AM PORT ARTHUR TX 58 MPH WIND GUST
03/07/98 JEFFERSON REPORT BY TUGBOAT OPERATOR
605 AM BRIDGE CITY TX 0.75 INCH HAIL
03/07/98 ORANGE ALSO REPORTS OF SEVERAL STREETS
UNDER WATER DUE TO STREET
FLOODING
ERICKSONLocal storm report, Mar 7, 6:41 AM CST, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
641 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
500 AM MERMENTAU LA 0.75 INCH HAIL
03/07/98 ACADIA
ERICKSONLocal storm report, Mar 7, 6:41 AM CST, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
641 AM CST SAT MAR 7 1998
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
500 AM MERMENTAU LA 0.75 INCH HAIL
03/07/98 ACADIA
ERICKSONThe 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, 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
Flash Flood Warnings in Louisiana, 1998Every flash flood 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.