Alert archive / Texas / Flash Flood Warnings in 1986
Flash Flood Warning 9, NWS Lake Charles, LA
NWS Lake Charles, LA issued this flash flood warning at Dec 22, 1986, 6:55 PM CST for Jefferson County, Texas. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Dec 22, 1986, 6:55 PM CST (00:55 UTC)
- Expired
- Dec 23, 1986, 9:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jefferson County, TX
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 00:00Z, 0.9 hours before the alert went out and 96 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
- 523 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 349 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Dec 22, 4:57 PM CST, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 455 PM CST MON DEC 22 1986 AT 430 PM...WIDESPREAD RAIN CONTINUED THROUGHOUT MOST OF LOUISIANA AND EAST TEXAS. THE RAIN WAS SHOWN SOUTH OF A LINE FROM NATCHEZ MISSISSIPPI TO MANSFIELD TO LAKE LIVINGSTON TEXAS...AND INTO THE GULF TO 100 MILES OFFSHORE. DUE TO THE CONTINUOUS RAIN SINCE LAST NIGHT IN SOUTHWEST LOUISIANA... SOME STREETS WITH POOR DRAINAGE AND LOW LYING AREAS HAVE BECOME FLOODED. MOST DRAINAGE DITCHES ARE NEARLY FULL AND ADDITIONAL RAINS THAT ARE EXPECTED TONIGHT WILL ADD TO THE FLOODING...ESPECIALLY IN LAKE CHARLES. MOTORISTS SHOULD USE CAUTION AND ALLOW EXTRA TIME FOR SHOPPING TONIGHT.
Special weather statement, Dec 22, 5:50 PM CST, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 550 PM CST MON DEC 22 1986 AT 530 PM...WIDESPREAD RAIN WITH HEAVY THUNDERSHOWERS MIXED IN CONTINUED IN MOST OF LOUISIANA AND EAST TEXAS. THE RAIN WAS SHOWN SOUTH OF A LINE FROM NATCHEZ MISSISSIPPI TO WINNFIELD TO LAKE LIVINGSTON TEXAS...AND EXTENDED INTO THE GULF TO 100 MILES OFFSHORE. THE HEAVIEST ACTIVITY WAS SHOWN NEAR NEW IBERIA...WHITE LAKE...SABINE PASS AND GALVESTON TEXAS. MOVEMENT WAS NORTHEAST AT 20 MPH. FLOODING OF STREETS...DRAINAGE DITCHES AND LOW LYING AREAS HAS ALREADY OCCURRED IN SOUTHWEST LOUISIANA IN LAKE CHARLES. MINOR STREET FLOODING HAS BEEN REPORTED IN LAFAYETTE AND ABBEVILLE DURING THE PAST HOUR. WITH ADDITIONAL RAINFALLS OVER SOUTHWEST LOUISIANA...SOME STREETS WITH POOR DRAINAGE WILL LIKELY FLOOD IN EVANGELINE...JEFF DAVIS...ACADIA... LAFAYETTE...AND VERMILION PARISHES BY LATE TONIGHT. MOTORISTS THROUGHOUT SOUTHWEST LKOUISIANA SHOULD USE CAUTION AND BE ALERT FOR WATER COVERED STREETS AND ROADWAYS.
Special weather statement, Dec 22, 6:41 PM CST, 14 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 645 PM CST MON DEC 22 1986 AT 625 PM...WIDESPREAD RAIN WITH HEAVY THUNDERSHOWERS MIXED IN CONTINUED IN MOST OF LOUISIANA AND EAST TEXAS. THE RAIN WAS SHOWN SOUTH OF A LINE FROM NATCHEZ MISSISSIPPI TO WINNFIELD TO LUFKIN TEXAS...AND EXTENDED INTO THE GULF TO 80 MILES OFFSHORE. THE HEAVIEST ACTIVITY WAS SHOWN NEAR NEW IBERIA...GALVESTON TEXAS... AND IN THE COASTAL WATERS SOUTH OF VERMILION BAY...SABINE PASS AND HIGH ISLAND TEXAS. MOVEMENT WAS NORTHEAST AT 20 MPH. SOME FLOODING OF STREETS AND OTHER LOW LYING AREAS IS LIKELY THROUGHOUT MOST SECTIONS OF SOUTHWEST LOUISIANA BY LATE TONIGHT AS RAIN WILL LIKELY CONTINUE UNTIL AT LEAST 10 PM IN THIS AREA.
Nearby
Flash Flood Warnings in Texas, 1986Every flash flood warning in 1986
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.