Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 67, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Jun 17, 1997, 9:32 AM CDT for Avoyelles Parish, Louisiana. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 17, 1997, 9:32 AM CDT (14:32 UTC)
- Expired
- Jun 17, 1997, 10:30 AM CDT
- In force
- 58 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Avoyelles Parish, LA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 17, 6:30 AM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 2.5 hours before the alert went out and 156 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
- 3576 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 12.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 171427 RRA SVRLCH LAC009-171530- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 932 AM CDT TUE JUN 17 1997 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL LOUISIANA ...AVOYELLES PARISH AT 930 AM...LAKE CHARLES DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST NORTHWEST OF BUNKIE MOVING EAST AT 40 MPH. STRONG WINDS IN EXCESS OF 60 MPH ARE LIKELY WITH THIS STORM. MANSURA...HESSMER...COTTONPORT...AND MOREAUVILLE ARE IN THE PATH OF THIS STORM. 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.
NWS Lake Charles, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 8:47 AM CDT, 45 minutes earlier.
Area forecast discussion, Jun 17, 8:47 AM CDT, 45 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 845 AM CDT TUE JUN 17 1997 AREA UNDER INFLUENCE OF RIGHT REAR QUADRANT OF JET STREAK WHICH IS ENHANCING INFLOW WITH 25 TO 30 KNOT WINDS JUST ABOVE THE SFC. LOWER 80S DEWPOINTS JUST OFF THE SW LA COAST. AREA UNDER EXTREME INSTABILITY WITH LIFTED INDICES AROUND -11...CAPES AROUND 4000 TO 5300 J/KG...PW'S AROUND 2 INCHES. UNUSUAL DISPLAY OF WIDESPREAD ACCAS CLOUDS WHICH USUALLY LEADS TO QUITE AN ACTIVE WEATHER DAY. BELIEVE MEAN WIND OF 25 TO 30 KNOTS...DRY GROUND OVER SW LA AND SQUALL LIKE FAST MOVEMENT MAY SPELL LOW PROBABILITY FOR FLOODING. FLASH FLOOD GUIDANCE IS QUITE HIGH ACROSS AREA WITH 2 1/2 INCHES PER HOUR AND 3.5 TO 4 INCHES OVER THREE HOUR PERIOD. BELIEVE MAIN THREAT IS DAMAGING WINDS...ISOLATING FLOODING AND POSSIBLE LARGE HAIL AND A FEW TORNADOES. UP POPS...THAT IS ALL. 06 LCH 89/77/90 734 BPT 89/76/90 824 LFT 90/76/91 734 AEX 90/76/90 834 06 TX ZONES... LA ZONES...
In the hours before
Special weather statement, Jun 17, 5:04 AM CDT, 4 hours 28 minutes before
LAZ043-031-029-030-041-051-032-053-042-044-055-028-033-054-045- 052-027-TXZ201-181-215-182-216-180-171600- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 504 AM CDT TUE JUN 17 1997 ...HEAVY RAIN AND SEVERE THUNDERSTORMS ARE POSSIBLE TODAY ACROSS SOUTHEAST TEXAS AND SOUTHERN AND CENTRAL LOUISIANA... THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY ACROSS MUCH OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY ACROSS SOUTHWEST AND SOUTHCENTRAL LOUISIANA. A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTHEAST TEXAS. AN UNSEASONABLE...STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST TODAY ACROSS NORTHERN TEXAS. AS IT DOES...A COLD FRONT WILL ALSO PROGRESS EASTWARD AND STALL THIS AFTERNOON ACROSS SOUTHEAST TEXAS. AHEAD OF THE FRONT...STRONG AND SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP AND MOVE ACROSS SOUTHEAST TEXAS IN A VERY MOIST AND UNSTABLE ATMOSPHERE. THEY ARE EXPECTED TO MOVE EAST ACROSS LOUISIANA DURING THE DAY. BECAUSE THE FRONT WILL STALL ACROSS SOUTHEAST TEXAS...ADDITONAL THUNDERSTORM DEVELOPMENT MAY OCCUR THIS AFTERNOON CREATING THE POTENTIAL FOR FLASH FLOODING ALONG AND NEAR THE FRONTAL BOUNDARY. LATEST SURFACE AND UPPER AIR OBSERVATIONS SUGGEST THAT LARGE HAIL ...DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE PRIMARY THREAT FROM THUNDERSTORMS TODAY. ISOLATED TORNADOES ARE ALSO POSSIBLE ACROSS THE AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATIONS FOR THE LATEST WEATHER INFORMATION. BE READY TO SEEK SHELTER SHOULD A WARNING BE ISSUED FOR YOUR AREA.
Special weather statement, Jun 17, 5:07 AM CDT, 4 hours 25 minutes before
LAZ043-031-029-030-041-051-032-053-042-044-055-028-033-054-045- 052-027-TXZ201-181-215-182-216-180-171600- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 504 AM CDT TUE JUN 17 1997 ...HEAVY RAIN AND SEVERE THUNDERSTORMS ARE POSSIBLE TODAY ACROSS SOUTHEAST TEXAS AND SOUTHERN AND CENTRAL LOUISIANA... THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY ACROSS MUCH OF SOUTHEAST TEXAS AND CENTRAL LOUISIANA. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY ACROSS SOUTHWEST AND SOUTHCENTRAL LOUISIANA. A FLOOD AND FLASH FLOOD WATCH IS IN EFFECT TODAY AND TONIGHT FOR ALL OF SOUTHEAST TEXAS. AN UNSEASONABLE...STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE EAST TODAY ACROSS NORTHERN TEXAS. AS IT DOES...A COLD FRONT WILL ALSO PROGRESS EASTWARD AND STALL THIS AFTERNOON ACROSS SOUTHEAST TEXAS. AHEAD OF THE FRONT...STRONG AND SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP AND MOVE ACROSS SOUTHEAST TEXAS IN A VERY MOIST AND UNSTABLE ATMOSPHERE. THEY ARE EXPECTED TO MOVE EAST ACROSS LOUISIANA DURING THE DAY. BECAUSE THE FRONT WILL STALL ACROSS SOUTHEAST TEXAS...ADDITONAL THUNDERSTORM DEVELOPMENT MAY OCCUR THIS AFTERNOON CREATING THE POTENTIAL FOR FLASH FLOODING ALONG AND NEAR THE FRONTAL BOUNDARY. LATEST SURFACE AND UPPER AIR OBSERVATIONS SUGGEST THAT LARGE HAIL ...DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE PRIMARY THREAT FROM THUNDERSTORMS TODAY. ISOLATED TORNADOES ARE ALSO POSSIBLE ACROSS THE AREA. STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATIONS FOR THE LATEST WEATHER INFORMATION. BE READY TO SEEK SHELTER SHOULD A WARNING BE ISSUED FOR YOUR AREA.
Local storm report, Jun 17, 7:17 AM CDT, 2 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
717 AM CDT TUE JUN 17 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0646 AM 2 E CHESTER TX WIND DAMAGE
06/17/97 TYLER TREE DOWN ACROSS HWY 1745.
REPORTED BY SHERIFFS
DISPATCHER.Local storm report, Jun 17, 7:20 AM CDT, 2 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
717 AM CDT TUE JUN 17 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0646, AM 2 E CHESTER TX WIND DAMAGE
06/17/97 TYLER TREE DOWN ACROSS HWY 1745.
REPORTED BY SHERIFF'S
DISPATCHER.Nearby
Severe Thunderstorm Warnings in Louisiana, 1997Every severe thunderstorm warning in 1997
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.