Alert archive / Louisiana / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 13, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Mar 12, 1986, 3:00 AM CST for Vernon Parish, Louisiana. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1986, 3:00 AM CST (09:00 UTC)
- Expired
- Mar 12, 1986, 4:00 AM CST
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Vernon 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 00:00Z, 9.0 hours before the alert went out and 110 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
- 2215 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 11.8
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 severe thunderstorm 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, Mar 11, 10:48 PM CST, 4 hours 12 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1045 PM CST TUE MAR 11 1986 ...A TORNADO WATCH IS IN EFFECT UNTIL 4AM WEDNESDAY MORNING FOR... BEAUREGARD...CALCASIEU...CAMERON...VERNON...ALLEN...AND JEFFERSON DAVIS PARISHES IN SOUTHWEST LOUISIANA...AND FOR RAPIDES LA SALLE AND GRANT PARISHES IN CENTRAL LOUISIANA... AT 1025 PM...SCATTERED THUNDERSTORMS WERE OCCURRING OVER THE NORTHERN TIP OF TOLEDO BEND RESERVOIR NORTHEAST TO NEAR MANSFIELD. THESE THUNDERSTORMS WERE ONLY PART OF A LINE WHICH EXTENDED ACROSS NORTHWEST LOUISIANA INTO SOUTHERN ARKANSAS. THE LINE APPEARED TO BE MOVING EAST AT 30 MPH.
Special weather statement, Mar 11, 11:44 PM CST, 3 hours 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1145 PM CST TUE MAR 11 1986 ...A TORNADO WATCH IS IN EFFECT UNTIL 4AM WEDNESDAY MORNING FOR MUCH OF SOUTHWEST AND CENTRAL LOUISIANA... AT 1125 PM...A LINE OF NUMEROUS VERY HEAVY THUNDERSTORMS WAS LOCATED FROM NORTHEAST OF MANSFIELD TO THE NORTH END OF TOLEDO BEND RESERVOIR TO 30 MILES EAST OF LAKE LIVINGSTON TEXAS. THE LINE WAS MOVING SOUTH- EAST AT 30 MPH. ANOTHER LINE OF VERY HEAVY THUNDERSTORMS WAS SHOWN IN EAST TEXAS FROM NEAR LUFKIN TO LAKE LIVINGSTON TO NEAR CONROE. THIS LINE OF THUNDER- STORMS WAS ALSO MOVING SOUTHEAST AT 30 MPH. A LARGE AREA OF RAIN WAS SHOWN WEST OF LUFKIN AND LAKE LIVINGSTON.
Special weather statement, Mar 12, 12:47 AM CST, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 1240 AM CST WED MAR 12 1986 ...A TORNADO WATCH IS IN EFFECT UNTIL 4AM WEDNESDAY MORNING FOR MUCH OF SOUTHWEST AND CENTRAL LOUISIANA... AT 1225 PM...A LINE OF NUMEROUS VERY HEAVY THUNDERSTORMS WAS LOCATED FROM ABOUT 30 MILES NORTHWEST OF WINNFIELD TO THE CENTRAL PORTION OF TOLEDO BEND RESERVOIR TO JUST WEST OF KOUNTZE TEXAS. THE LINE WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO VERNON PARISH IN SOUTHWEST LOUISIANA BY 1AM THIS MORNING. STRONG GUSTY WINDS AND VERY HEAVY RAINS WILL ACCOMPANY THE LINE OF THUNDERSTORMS. RADAR ALSO SHOWED A LARGE AREA OF RAIN IN NORTHWEST LOUISIANA AND EAST TEXAS FROM A HOUSTON...KIRBYVILLE TEXAS...MANSFIELD LOUISIANA LINE TO WELL WEST OF HOUSTON...LUFKIN TEXAS...AND SAN AUGUSTINE TEXAS. RAIN HAD ALSO DEVELOPED FROM JUST NORTH OF DERIDDER TO 30 MILES NORTHEAST OF LEESVILLE.
Local storm report, Mar 12, 1:30 AM CST, 1 hour 30 minutes before
ATTN SELS A BPT LOCAL STORM REPORT NATIONAL WEATHER SERVICE PORT ARTHUR TX 130 AM CST WED MAR 12 1986 SUMMARY OF STORM DAMAGE APPROXIMATELY MIDNIGHT ANGELINA COUNTY TEXAS MINOR WIND DAMAGE TO TIMBER ALONG HIGHWAY 69 SOUTH OF LUFKIN. APRX 1215AM CST PUBLIC REPORTS WIND DAMAGE TO MOBIL HOME IN COLMESNEIL, 12 MILES NORTH OF WOODVILLE IN TYLER COUNTY TEXAS. APRX 1230AM CST WIND DAMAGE TO COMMERICAL DISTRICT OF THE CITY OF PINELAN8D. POWER OUTAGE. LIMITED DETAILS.
Special weather statement, Mar 12, 2:56 AM CST, 4 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 250 AM CST WED MAR 12 1986 ...A TORNADO WATCH IS IN EFFECT UNTIL 4AM WEDNESDAY MORNING FOR MUCH SOUTHWEST LOUISIANA... ...A TORNADO WATCH REMAINS IN EFFECT UNTIL 6AM CST FOR CENTRAL LOUISIANA... AT 230 AM CST...A LINE OF STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WAS LOCATED IN SOUTHEAST TEXAS FROM JUST EAST OF JASPER TO THE BEAUMONT AREA TO THE COAST NEAR GALVESTON TEXAS. THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO VERNON...BEAUREGARD....CALCASIEU...AND CAMERON PARISHES IN SOUTHWEST LOUISIANA BY 4AM CST THIS WEDNESDAY MORNING. STRONG GUSTY WINDS AND DANGEROUS LIGHTNING WILL LIKELY ACCOMPANY THE LINE OF THUNDERSTORMS AS IT MOVES THROUGH SOUTHWEST LOUISIANA. A VERY HEAVY THUNDERSTORM WAS OCCURRING IN THE EXTREME NORTHEAST CORNER OF LA SALLE PARISH IN CENTRAL LOUISIANA. MOVEMENT WAS NORTHEAST AT 45 MdILES AN HOUR. A LARGE AREA OF RAIN CONTINUED TO COVER THE NORTHERN HALF OF LOUISIANA AND MOST OF EAST AND SOUTHEAST TEXAS.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 1:00 AM CST | Severe Thunderstorm Warning | LCH | Vernon | 60 min |
| Mar 12, 1:12 AM CST | Tornado Warning | LCH | Vernon | 18 min |
| Mar 12, 1:20 AM CST | Tornado Warning | LCH | Grant, Rapides | 40 min |
| Mar 12, 4:40 AM CST | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 60 min |
| Mar 12, 7:15 AM CST | Severe Thunderstorm Warning | LCH | Lafayette | 30 min |
| Mar 12, 8:00 AM CST | Severe Thunderstorm Warning | LCH | Cameron | 60 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1986Every severe thunderstorm 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.