Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 64, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Oct 18, 1998, 4:42 PM CDT for Orange County, Texas. 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
- Oct 18, 1998, 4:42 PM CDT (21:42 UTC)
- Expired
- Oct 18, 1998, 6:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Orange County, TX
The radar
The Lake Charles radar (KLCH), 65 km from the middle of the area, began a volume at 21:45 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, 9.7 hours before the alert went out and 67 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
- 447 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 647 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 182142 FFWLCH TXC361-182345- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 442 PM CDT SUN OCT 18 1998 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * FLASH FLOOD WARNING FOR... ORANGE COUNTY IN SOUTHEASTERN TEXAS * UNTIL 645 PM CDT * AT 440 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED THAT 3 TO 5 INCHES OF RAIN HAS FALLEN ACROSS ORANGE COUNTY DURING THE PAST 4 HOURS. 1 TO 3 INCHES OF ADDITIONAL RAINFALL IS EXPECTED ACROSS THE AREA OVER THE NEXT 2 HOURS . * FLOODING OF MANY ROADS AND UNDERPASSES IS OCCURRING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO UNKNOWN DEPTHS. THE DEPTH OF THE WATERL 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 Oct 18, 3:13 PM CDT, 1 hour 29 minutes earlier.
Area forecast discussion, Oct 18, 3:13 PM CDT, 1 hour 29 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 313 PM CDT SUN OCT 18 1998 HEAVY RAINS OVER SOUTHEAST TEXAS HAVE CAUSED SOME MINOR FLOODING PROBLEMS ALONG WITH SOME ISOLATED TORNADOES. WET WEATHER WILL CONTINUE OVER SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA THROUGH TOMORROW AS GOOD MOISTURE CONVERGENCE CONTINUES IN VICINITY OF APPROACHING FRONT. AS FRONT CONTINUES GRADUAL PROGRESS TO THE EAST POPS WILL TAPER OFF IN SOUTHEAST TEXAS BY TUESDAY AS DRIER AIR WORKS IN...WITH ACTIVITY SHIFTING TO EASTERN PORTIONS OF FORECAST AREA. WITH RAINFALL EXPECTED TO CONTINUE THROUGH TONIGHT...SOUTHEAST TEXAS CAN BE INCLUDED IN FFA FOR TONIGHT...B,ORDERLINE FOR PORTIONS OF EXTREME SOUTHWEST LOUISIANA...CAN HOLD OFF FOR NOW. TEMPS WILL BE DEPENDENT ON FRONTAL PROGRESS AND CLOUDS AND RAIN. 8 LCH 72/78/68/76 8853 LFT 71/80/68/75 6864 AEX 70/75/63/73 8864 BPT 68/77/65/76 9853
In the hours before
Special weather statement, Oct 18, 12:26 PM CDT, 4 hours 16 minutes before
LAZ041-042-051-TXZ215-216-182100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1226 PM CDT SUN OCT 18 1998 ...FUNNEL CLOUDS EXPECTED TODAY... NUMEROUS SIGHTINGS OF FUNNEL CLOUDS HAVE BEEN REPORTED ACROSS JEFFERSON AND ORANGE COUNTIES THIS MORNING AND EARLY THIS AFTERNOON. CONDITIONS WILL REMAIN FAVORABLE FOR FUNNEL CLOUD DEVELOPMENT AS A LARGE AREA OF RAIN AND THUNDERSTORMS EDGES EASTWARD INTO SOUTHWEST LOUISIANA THIS AFTERNOON. FUNNEL CLOUDS HAVE THE POTENTIAL OF TOUCHING DOWN AS TORNADOES WITH LITTLE OR NO ADVANCE NOTICE. REMAIN ALERT AND STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DR
Special weather statement, Oct 18, 12:26 PM CDT, 4 hours 16 minutes before
LAZ041-042-051-TXZ215-216-182100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 1226 PM CDT SUN OCT 18 1998 ...FUNNEL CLOUDS EXPECTED TODAY... NUMEROUS SIGHTINGS OF FUNNEL CLOUDS HAVE BEEN REPORTED ACROSS JEFFERSON AND ORANGE COUNTIES THIS MORNING AND EARLY THIS AFTERNOON. CONDITIONS WILL REMAIN FAVORABLE FOR FUNNEL CLOUD DEVELOPMENT AS A LARGE AREA OF RAIN AND THUNDERSTORMS EDGES EASTWARD INTO SOUTHWEST LOUISIANA THIS AFTERNOON. FUNNEL CLOUDS HAVE THE POTENTIAL OF TOUCHING DOWN AS TORNADOES WITH LITTLE OR NO ADVANCE NOTICE. REMAIN ALERT AND STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS. DR
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 10:23 AM CDT | Tornado Warning | LCH | Jasper, Orange | 62 min |
| Oct 18, 11:30 AM CDT | Tornado Warning | LCH | Jasper, Newton, Orange | 65 min |
| Oct 18, 11:43 AM CDT | Flash Flood Warning | LCH | Hardin, Jasper | 2 hr |
Nearby
Flash Flood Warnings in Texas, 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.