Alert archive / Louisiana / Flash Flood Warnings in 1998
Flash Flood Warning 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Jan 4, 1998, 9:30 PM CST for Avoyelles Parish, Saint Landry 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 4, 1998, 9:30 PM CST (03:30 UTC)
- Expired
- Jan 5, 1998, 12:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Avoyelles Parish, LA, Saint Landry Parish, LA
The radar
The Ft Polk radar (KPOE), 99 km from the middle of the area, began a volume at 03:31 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 3.5 hours before the alert went out and 230 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
- 51 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 102 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 050332 FFWLCH LAC009-097-050625- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 930 PM CST SUN JAN 4 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES LA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL MIDNIGHT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL LOUISIANA ...EASTERN AVOYELLES PARISH IN SOUTH CENTRAL LOUISIANA ...EASTERN ST. LANDRY PARISH AT 925 PM DOPPLER RADAR ESTIMATES INDICATE UP TO 4 INCHES OF RAIN HAD ALREADY FALLEN IN EASTERN AVOYELLES AND EASTERN ST LANDRY PARISHES. THESE AREAS CAN EXPECT ADDITIONAL AMOUNTS OF 1 TO 3 INCHES OF RAIN BEFORE MIDNIGHT. HIGHWAYS 107...115 AND 114 WERE REPORTED TO HAVE WATER COVERING THE ROADWAY. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH.
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 4, 7:38 PM CST, 1 hour 52 minutes earlier.
Area forecast discussion, Jan 4, 7:38 PM CST, 1 hour 52 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 738 PM CST SUN JAN 4 1998 IR STLT LOOP SHOWING S/WV ROTATING THRU SE TX ATTM. SHOULD SEE A DECR IN RAIN COVERAGE AND INTENSITY FOR SE TX AND SW LA SO BLV WE CAN LWR POPS A BIT AND TAKE OUT THE HVY RAIN FOR THOSE LOCATIONS TNITE. CAN DROP HVY RAIN FM CEN LA ZNS AFT 9 PM...LOOKING AT RECEDING EDGE OF THE HVY PCPN ON 88-D. CAN KEEP POPS UP FOR CEN LA AS IT LKS LIKE S/WV WL PASS ARND MIDNITE. SINCE S/WV LKS TO PASS LFT AFT 2 AM... AND 88-D SHOWING MORE HVY SHOWERS COMING ONSHORE TO VERMILION PARISH ...CAN KEEP POPS AND HVY RAIN FOR S CEN LA. COULD MENTION DIMINISHING LATE. TEMPS LOOK OK. 11 BPT 61/69/60/68 5555 LCH 61/69/60/68 5555 LFT 61/70/60/68 7555 (LOCALLY HVY RAIN TNITE) AEX 59/66/60/67 7555 (LOCALLY HVY RAIN TNITE)
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 2:17 AM CST | Flash Flood Warning | LCH | Lafayette, Vermilion | 2 hr |
| Jan 5, 2:17 AM CST | Flash Flood Warning | LCH | Saint Martin | 2 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; radar from the NEXRAD Level II archive.