Alert archive / Louisiana / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 75, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jul 3, 1990, 4:51 PM CDT for Calcasieu Parish, Louisiana. It was in force for 69 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 3, 1990, 4:51 PM CDT (21:51 UTC)
- Expired
- Jul 3, 1990, 6:00 PM CDT
- In force
- 69 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Calcasieu Parish, LA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 3, 5:00 PM CDT | Tornado F0 | Calcasieu, LA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 9.9 hours before the alert went out and 19 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
- 1294 J/kg
- Mixed-layer CIN
- -142 J/kg
- Mixed-layer LCL
- 1214 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 032150 RRA SVRLCH LAC019-032300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 451 PM CDT TUE JUL 3 1990 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST LOUISIANA ...CALCASIEU PARISH RADAR INDICATED A SEVERE THUNDERSTORM JUST EAST OF LAKE CHARLES MOVING TOWARD THE WEST AT 15 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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, Jul 3, 4:46 PM CDT, 5 minutes before
TXZ046-048-032345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PORT ARTHUR TX 446 PM CDT TUE JUL 3 1990 AT 430 PM CDT...WEATHER RADAR SHOWED A LINE OF STRONG THUNDERSTORMS MOVING ACROSS SOUTHWEST LOUSIANA TOWARDS THE WEST AT 15 MPH. THESE THUNDERSTORMS WILL MOVE INTO SOUTHEAST TEXAS AROUND 700 PM THIS EVENING. THE STORMS WILL PRODUCE STRONG WIND...POSSIBLY IN EXCESS OF 60 MPH AS WELL AS HAIL AND LIGHTNING. THE RAINFALL RATES WILL ALSO BE EXCESSIVE AND URBAN STREET FLOODING CAN BE EXPECTED IN THE GOLDEN TRIANGLE AND SURROUNDING CITIES AND TOWNS. HOMEOWNERS SHOULD PICK UP AND STORE LAWN FURNITURE AND TOYS TO LESSEN THE THREAT OF MISSILE DAMAGE OR INJURY. BRING IN CHILDREN AND PETS AS THE STORMS APPROACH TO ELIMINATE THE THREAT OF BEING STRUCK BY LIGHTNING. AND...MOTORIST ARE REMINDED NOT TO DRIVE THROUGH DEEP OR SWIFT WATER. LIGHTNING AND FLOODING ARE THE TWO GREATEST KILLERS IN THUNDERSTORMS. BOATERS AND FISHERMEN ON AND AROUND LAKE SABINE AND THE SABINE SHIP CHANNEL AND ON THE JETTIES SHOULD MAKE FOR SAFE HARBOR IMMEDIATELY. STAY TUNED TO PORT ARTHURS WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST ON THESE APPROACHING THUNDERSTORMS. : DCG NNNN NNNN
Special weather statement, Jul 3, 4:47 PM CDT, 4 minutes before
LAZ007-008-011-012-032245- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 445 PM CDT TUE JUL 3 1990 AT 425 PM...SCATTERED THUNDERSTORMS...WITH VERY HEAVY RAIN...WERE SHOWN FROM JUST EAST OF LAKE CHARLES TO THE COAST MIDWAY BETWEEN CAMERON AND WHITE LAKE. AN ISOLATED THUNDERSTORM...WITH VERY HEAVY RAIN...WAS LOCATED JUST SOUTHWEST OF LAFAYETTE. STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE WEST AT 20 MPH. OTHER STRONG THUNDERSTORMS WERE OCCURRING...MIDWAY BETWEEN NATCHITOCHES AND ALEXANDRIA...JUST SOUTH OF OAKDALE...JUST SOUTHWEST OF KINDER AND 50 MILES SOUTH OF CAMERON.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 5:04 PM CDT | Tornado Warning | LCH | Calcasieu | 41 min |
| Jul 3, 6:01 PM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 29 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.