Alert archive / Louisiana / Flash Flood Warnings in 1998
Flash Flood Warning 20, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Jan 6, 1998, 6:55 PM CST for Iberia Parish, Saint Martin Parish, St. Mary Parish, Louisiana. It was in force for 3 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
- Jan 6, 1998, 6:55 PM CST (00:55 UTC)
- Expired
- Jan 6, 1998, 9:30 PM CST
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Iberia Parish, LA, Saint Martin Parish, LA, St. Mary Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.9 hours before the alert went out and 156 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 296 m²/s²
- 0-3 km storm-relative helicity
- 459 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 070051 FFWLCH LAC045-099-101-070330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 655 PM CST TUE JAN 6 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 930 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL LOUISIANA ...IBERIA PARISH ...UPPER ST. MARTIN PARISH ...LOWER ST. MARTIN PARISH ...ST. MARY PARISH AT 650 PM THE LAKE CHARLES DOPPLER RADAR SHOWED STRONG THUNDERSTORMS MOVING OUT OF THE GULF INTO THE WARNED AREA. RADAR ESTIMATES UP TO 2 INCHES OF RAIN AN HOUR CAN BE EXPECTED ACROSS THE ALREADY SATURATED GROUND. SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. HEAVY RAINS FLOOD ROADS AND LOW-LYING AREAS RAPIDLY...SO DO NOT DRIVE YOUR VEHICLES INTO AREAS WHERE WATER OF AN UNKNOWN DEPTH COVERS THE ROAD. IF YOUR VEHICLE STALLS...ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND.
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 Jan 6, 3:23 PM CST, 3 hours 32 minutes earlier.
Area forecast discussion, Jan 6, 3:23 PM CST, 3 hours 32 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 323 PM CST TUE JAN 6 1998 ...REXMITTED... ITS GOING TO BE A MESS TONITE. DEEP MSTR CONTINUES TO STREAM IN AS H5 LO TRACKS SLOLY E OUT OF NM. THROW IN A COUPLE OF UPR LVL JETS AND VARIOUS SFC BOUNDARIES...AND SHUD END UP WITH SOME MAJOR FLOODING BEFORE THE NIGHT IS OVER. SEVERAL FFWS HAVE BEEN ISSUED AND FFA REMAINS NECESSARY FOR ENTIRE FA INTO TMRW. SHUD BEGIN TO SEE A BRK FRM THE HEAVIEST RAIN WED MORN AS SFC FRNT MOVES THRU AND DRIER AIR BEGINS TO FILTER IN...THO SW FLO ALOFT CONTINUES AND CLOUDY SKIES AND RAINFALL SHUD LINGER. TEMP TREND OF FWC SEEMS FAIRLY REASONABLE. 8 BPT 61/64/44/51 +741 LCH 61/64/44/51 +741 LFT 61/65/45/52 +741 AEX 61/64/43/51 +741
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 6, 6:00 PM CST | Flash Flood Warning | LCH | Calcasieu, Cameron, Jefferson Davis, Vermilion | 4 hr |
| Jan 6, 6:00 PM CST | Flash Flood Warning | LCH | Acadia, Allen, Avoyelles, Evangeline, Rapides, Saint Landry | 4 hr |
| Jan 6, 6:00 PM CST | Flash Flood Warning | LCH | Beauregard, Vernon | 4 hr |
| Jan 6, 6:00 PM CST | Flash Flood Warning | LCH | Lafayette | 4 hr |
| Jan 6, 10:00 PM CST | Flash Flood Warning | LCH | Allen, Avoyelles, Evangeline, Rapides, Vernon | 4 hr |
| Jan 6, 10:00 PM CST | Flash Flood Warning | LCH | Beauregard, Calcasieu, Cameron, Jefferson Davis | 4 hr |
| Jan 6, 10:00 PM CST | Flash Flood Warning | LCH | Acadia, Iberia, Lafayette, Vermilion | 4 hr |
| Jan 6, 10:00 PM CST | Flash Flood Warning | LCH | Saint Landry, Saint Martin | 4 hr |
| Jan 6, 10:00 PM CST | Flash Flood Warning | LCH | St. Mary | 4 hr |
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.