Alert archive / Louisiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 2, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jan 24, 1987, 9:00 PM CST for Grant Parish, LaSalle Parish, Louisiana. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jan 24, 1987, 9:00 PM CST (03:00 UTC)
- Expired
- Jan 24, 1987, 10:00 PM CST
- In force
- 60 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
Counties Grant Parish, LA, LaSalle 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, 3.0 hours before the alert went out and 187 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
- 408 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 224 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 250308 SVRESF LAC043-059-250400- BULLETIN...IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE ALEXANDRIA LOUISIANA ISSUED BY LAKE CHARLES 900 PM CST SAT JAN 24 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 10 PM CST FOR THE FOLLOWING PARISHES OF CENTRAL LOUISIANA...GRANT...LASALLE. AT 900 PM...RADAR SHOWED A SEVERE THUNDERSTORM NEAR NATCHITOCHES LOUISIANA MOVING TOWARD THE EAST AT 30 MPH. THIS THUNDERSTORM WILL MOVE ACROSS NORTHERN GRANT PARISH INTO LASALLE PARISH. STRONG DAMAGING WINDS AND LARGE HAIL HAVE BEEN REPORTED WITH THIS STORM. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY AND YOU SHOULD ASK THE NEAREST LAW ENFORECEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL WEATHER SERVICE.
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, Jan 24, 6:47 PM CST, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 640 PM CST SAT JAN 24 1987 ...STRONG THUNDERSTORMS INCREASING RAPIDLY IN SOUTHWEST LOUISIANA... AT 625 PM THE NATIONAL WEATHER SERVICE RADAR SHOWED ISOLATED THUNDER STORMS INCREASING RAPIDLY A LITTLE NORTHEAST OF JENNINGS. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 30 MILES AN HOUR AND WILL MOVE ACROSS ALLEN...ACADIA...PARISHES BY 7PM AND INTO EVANGELINE PARISH BETWEEN 7PM AND 730. PERSONS IN THESE PARISHES SHOULD BE ALERT FOR BRIEF PERIODS OF HEAVY RAIN...STRONG GUSTY WINDS...ALONG WITH DANEROUS LIGHTNING. OTHERWISE RADAR SHOWED SHOWERS AND LARGE PATCHES OF RAIN INCREASING JUST OFF SHORE SOUTH OF CAMERON OUT TO BEYOND 50 MILES SOUTH OF SABINE PASS. THUNDERSTORMS WERE INCREASING IN NORTHEAST TEXAS A LITTLE NORTHEAST OF LUFKIN EXTENDING INTO NORTHWEST LOUISIANA ACROSS MANFIELFS. PATCHES OF RAIN WERE DECREASING AROUND BATON ROUGE. DTHUNDERSTORMS AND RAIN WILL LIKELY CONTINUE TO INCREASE IN SOUTHWEST AND CENTRAL LOUISIANA DURING THE NIGHT.
Special weather statement, Jan 24, 7:45 PM CST, 1 hour 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 740 PM CST SAT JAN 24 1987 ...THUNDERSTORMS CONTINUE TO INCREASE IN SOUTHWEST AND CENTRAL LOUISIANA... AT 725 PM THE NATIONAL WEATHER SERVICE RADAR SHOWED STRONG THUNDER STORMS JUST EAST OF EUNICE AND THUNDERSTORMS INCREASING ALONG THE COAST NEAR WHITE LAKE. STRONG THUNDERSTORMS EXTENDED INTO THE GULF OF MEXICO FROM JUST SOUTH OF WHITE LAKE OUT TO BEYOND 80 MILES SOUTH OF SABINE PASS. ADDITIONAL STRONG THUNDERSTORMS WERE INCREASING FROM THE NORTH PART OF TOLEDO BEND TO JUST WEST OF LEESVILLE. THESE THUNDERSTORMS WERE SPREADING EAST AND NORTHEAST AT 30 MILES AN HOUR. BEIEF PERIODS OF HEAVY RAIN...STRONG GUSTY WINDS...ALONG WITH DANEROUS LIGHTNING WILL EFFECT VERMILION AND LAFAYETTE PARISHES AND MOVE INTO VERNON PARISH BETWEEN THE PRESENT TIME AND 830PM. PRESONS IN SOUTHWEST AND CENTRAL LOUISIANA ESPECIALLY THE CENTRAL PARISHES OF VERNON...RAPIDES...GRANT...AND LA SALLE SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS.
Nearby
Severe Thunderstorm Warnings in Louisiana, 1987Every severe thunderstorm warning in 1987
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.