Alert archive / Louisiana / Flash Flood Warnings in 1989
Flash Flood Warning 21, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at May 18, 1989, 1:03 PM CDT for Beauregard Parish, Calcasieu Parish, Jefferson Davis Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 18, 1989, 1:03 PM CDT (18:03 UTC)
- Expired
- May 18, 1989, 5:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Beauregard Parish, LA, Calcasieu Parish, LA, Jefferson Davis Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 6.1 hours before the alert went out and 29 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
- 619 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 353 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 181805
FFWLCH
LAC003-011-019-053-182200-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
103 PM CDT THU MAY 18 1989
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 500 PM CDT
FOR PEOPLE IN THE FOLLOWING PARISHES...
IN SOUTHWEST LOUISIANA
...ALLEN...BEAUREGARD...CALCASIEU...JEFFERSON DAVIS
VERY HEAVY RAINS CONTINUE TO MOVE ACROSS SOUTHWEST LOUISIANA WITH VERY
LITTLE BREAK IN BETWEEN THE HEAVY RAIN PERIODS.
CONDITIONS REMAIN FAVORABLE FOR PERIODS OF VERY HEAVY RAIN THROUGHOUT
THE REMAINDER OF THIS AFTERNOON OVER...CALCASIEU...ALLEN...BEAUREGARD
AND JEFF DAVIS PARISHES.
ALL DRAINAGE SYSTEMS ARE OVERFLOWING IN THESE PARISHES WITH EVACUATION
OF HOMES ALREADY IN PROGRESS IN SOME SECTIONS...
ADDITIONAL RAINS WILL ADD TO THE ALREADY VERY SERIOUS SITUATION.
ALL TRAVEL IN THE WARNED PARISHES SHOULD BE AVOIDED IF POSSIBLE.
PERSONS IN AND NEAR AREAS THAT ARE PRONE TO FLOODING DURING HEAVY RAIN
EVENTS SHOULD TAKE NECESSARY PRECAUTIONS TO PROTECT LIVES AND
PROPERTY.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOOD#S. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 10:42 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 63 min |
| May 17, 11:05 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 55 min |
| May 17, 11:50 PM CDT | Severe Thunderstorm Warning | LCH | Grant, LaSalle, Rapides | 2 hr |
| May 18, 2:30 AM CDT | Severe Thunderstorm Warning | LCH | Rapides | 60 min |
| May 18, 7:51 AM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu, Jefferson Davis | 3 hr |
| May 18, 7:51 AM CDT | Flash Flood Warning | LCH | Allen | 3 hr |
| May 18, 8:28 AM CDT | Flash Flood Warning | LCH | Vernon | 3 hr |
| May 18, 11:04 AM CDT | Flash Flood Warning | LCH | Allen, Evangeline, Jefferson Davis | 116 min |
| May 18, 11:04 AM CDT | Flash Flood Warning | LCH | Beauregard, Calcasieu, Vernon | 116 min |
| May 18, 11:25 AM CDT | Tornado Warning | LCH | Acadia | 35 min |
| May 18, 11:39 AM CDT | Tornado Warning | LCH | Lafayette | 51 min |
| May 18, 12:22 PM CDT | Tornado Warning | LCH | Lafayette | 38 min |
| May 18, 12:28 PM CDT | Tornado Warning | LCH | Calcasieu | 62 min |
| May 18, 12:34 PM CDT | Severe Thunderstorm Warning | LCH | Beauregard | 56 min |
| May 18, 12:41 PM CDT | Severe Thunderstorm Warning | LCH | Cameron | 49 min |
| May 18, 1:03 PM CDT | Flash Flood Warning | LCH | Allen | 4 hr |
| May 18, 1:31 PM CDT | Severe Thunderstorm Warning | LCH | Acadia, Allen, Evangeline, Jefferson Davis, Lafayette, Vermilion | 119 min |
| May 18, 1:31 PM CDT | Severe Thunderstorm Warning | LCH | Cameron | 119 min |
Nearby
Flash Flood Warnings in Louisiana, 1989Every flash flood warning in 1989
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.