Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 90, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Aug 22, 1997, 5:23 PM CDT for Jefferson County, Texas. It was in force for 67 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
- Aug 22, 1997, 5:23 PM CDT (22:23 UTC)
- Expired
- Aug 22, 1997, 6:30 PM CDT
- In force
- 67 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Jefferson County, TX
The radar
The Lake Charles radar (KLCH), 95 km from the middle of the area, began a volume at 22:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 22, 5:25 PM CDT | Thunderstorm Wind | Groves, TX |
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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.4 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
- 1535 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 198 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLCH 222224 RRA SVRLCH TXC245-222330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 523 PM CDT FRI AUG 22 1997 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...JEFFERSON COUNTY AND ADJACENT COASTAL WATERS AT 521 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING SOUTHWEST AT 15 MPH INTO EASTERN PORTIONS OF JEFFERSON COUNTY. THIS LINE WILL BE CAPABLE OF WIND GUSTS IN EXCESS OF 55 MPH AND AFFECT THE COMMUNITIES OF PORT ARTHUR...BEAUMONT...NEDERLAND AND GROVES. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
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 Aug 22, 2:49 PM CDT, 2 hours 34 minutes earlier.
Area forecast discussion, Aug 22, 2:49 PM CDT, 2 hours 34 minutes before
SOUTHEAST TEXAS..SOUTHWEST AND CENTRAL LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 242 PM CDT FRI AUG 22 1997 SQUALL LINE CONTINUING TO MOVE SE ARND 30 KTS...ABOUT TO ENTER NRN PTNS OF FA. HAVE BEEN SEVERAL REPORTS OF GUSTS OVER 55 KNOTS AND A FEW SVR HAIL REPORTS WITH THESE STORMS. XPCT THIS LINE OF STORMS TO CONTINUE MOVING THROUGH THE AREA DURING THE EVENING HOURS AND PUSH ON INTO THE GULF. CHC FOR SVR WX SHUD CONTINUE... THO UPPER DYNAMICS APPEARS TO BE TRYING TO PULL AWAY FROM THE ACTIVITY IN A MORE ELY DIRECTION. MODELS SHEAR ANOTHER S/W ACROSS THE AREA TMRW...BUT AFTER THIS ACTIVITY CLEARS THE AREA TONITE... BELIEVE AMS WILL NOT SUPPORT THE POPS GIVEN BY GDNC. TEMPS NEARER FWC THAN FAN. 8 BPT 72/91/71/92 6201 LCH 71/91/70/91 6201 LFT 70/90/69/91 5201 AEX 67/88/67/89 5000 TX ZONES... LA ZONES...
In the hours before
Local storm report, Aug 22, 3:43 PM CDT, 1 hour 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
343 PM CDT FRI AUG 22 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
305 PM 6 N BURKEVILLE TX WIND DAMAGE
08/22/97 NEWTON TREE DOWN ON HWY 692
305 PM 10 S LEESVILLE LA WIND DAMAGE
08/22/97 VERNON SEVERAL TREES DOWN OVER MUCH
OF THE PARISHLocal storm report, Aug 22, 3:59 PM CDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
343 PM CDT FRI AUG 22 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
305 PM 6 N BURKEVILLE TX WIND DAMAGE
08/22/97 NEWTON TREE DOWN ON HWY 692
305 PM 10 S LEESVILLE LA WIND DAMAGE
08/22/97 VERNON t SEVERAL TREES DOWN OVER MUCH
OF THE PARISHThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 2:56 PM CDT | Severe Thunderstorm Warning | LCH | Newton | 64 min |
Nearby
Severe Thunderstorm Warnings in Texas, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.