Alert archive / Louisiana / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 92, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Nov 18, 2003, 4:31 AM CST for Avoyelles Parish, Louisiana. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Nov 18, 2003, 4:31 AM CST (10:31 UTC)
- Expired
- Nov 18, 2003, 5:00 AM CST
- In force
- 29 min
- Issued by
- NWS Lake Charles, LA
- Area
- Counties, with a storm outline in the text
County Avoyelles Parish, LA
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 18, 2:25 AM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.5 hours before the alert went out and 161 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
- 877 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 181031 SVRLCH LAC009-181100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 427 AM CST TUE NOV 18 2003 THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... AVOYELLES PARISH IN CENTRAL LOUISIANA * UNTIL 500 AM CST * AT 425 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES NORTH OF MOREAUVILLE...MOVING NORTHEAST AT 40 MPH. * THIS STORM WILL BE NEAR... BORDELONVILLE AROUND 445 AM. SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM CST TUESDAY MORNING FOR PARTS OF CENTRAL...SOUTHWEST AND SOUTH-CENTRAL LOUISIANA. MORNING FOR SOUTHWESTERN LOUISIANA. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE. LAT...LON 3111 9213 3098 9200 3114 9174 3125 9190 $$ 20
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 Nov 18, 3:45 AM CST, 46 minutes earlier.
Area forecast discussion, Nov 18, 3:45 AM CST, 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 345 AM CST TUE 18 NOV 2003 SQUALL LINE CONTINUES TO PUSH ACROSS SOUTH AND SOUTHWEST LOUISIANA. TORNADO WATCH IN EFFECT FOR THE OUR LOUISIANA PARISHES OTHER THAN VERNON UNTIL 8 A.M. NO WARNINGS HAVE BEEN ISSUED OVER THE LAST COUPLE OF HOURS WITH THE STORMS BUT GOOD SHEAR PROFILE STILL EXISTS SO ISOLATED TORNADOES STILL NOT OUT OF THE QUESTION... MAIN THREAT APPEARS TO BE HEAVY RAIN ALONG THE SQUALL LINE WITH RAINFALL RATES NEAR 2 INCHES PER HOUR MOVING INTO SOUTH-CENTRAL LOUISIANA. HEAVIEST RAIN APPEARS TO BE MOVING INTO AREAS THAT HAVE HAD LITTLE RAIN OVER THE LAST MONTH OR SO WIDESPREAD FLOODING NOT EXPECTED...BUT WILL KEEP FLOOD WATCH UNTIL NOON OVER LA ZONES. SHOWERS WILL END FROM WEST TO EAST DURING THE MORNING AND AFTERNOON AS SURFACE WINDS BECOME SOUTHWEST AND THEN WESTERLY THIS AFTERNOON. SURFACE WINDS WILL BE RATHER GUSTY ESPECIALLY OVER THE COASTAL WATERS SO WILL PUT IN A SCA OVER ALL THE COASTAL WATERS FOR TODAY. MUCH DRIER AIR WILL BE USHERED INTO THE AREA BEHIND THE SURFACE COLD FRONT AND DRY SEASONAL WEATHER WILL PREVAIL THE REMAINDER OF THE WEEK. UPPER TROF WILL DEEPEN OVER THE WESTERN U.S. OVER THE WEEKEND AND PUSH ACROSS THE CENTRAL PLAINS. THIS WILL PUSH A RATHER STRONG COLD FRONT THROUGH THE AREA LATE ON SUNDAY AND INTO EARLY MONDAY WITH CHANCE OF RAIN WITH THE FRONT. BELOW NORMAL TEMPS EXPECTED BEHIND THE FRONT. .PRELIMINARY POINT TEMPS/POPS... KLCH 79 50 71 46 / 60 00 00 00 KBPT 78 49 71 47 / 60 00 00 00 KAEX 76 47 67 42 / 80 00 00 00 KLFT 78 51 70 45 /100 00 00 00 .LCH WATCHES/WARNINGS/ADVISORIES... LA...FLOOD WATCH UNTIL NOON ALL PARISHES. TORNADO WATCH 957 UNTIL 8AM LA ZONES 028>033-041>45-051>055. TX...NONE. SMALL CRAFT ADVISORY OVER COASTAL WATERS. WILEY
Hazardous weather outlook, Nov 17, 5:05 AM CST, 23 hours 26 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-172300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 505 AM CST MON NOV 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS...CENTRAL... SOUTH-CENTRAL AND SOUTHWEST LOUISIANA. .DAY ONE...TODAY AND TONIGHT... A STRONG UPPER LEVEL SYSTEM WILL COMBINE WITH ABUNDANT TROPICAL MOISTURE TO PRODUCE SCATTERED THUNDERSTORMS THIS AFTERNOON WITH A SQUALL LINE MOVING INTO SOUTHEAST TEXAS TONIGHT. SEVERE WEATHER IS POSSIBLE OVER SOUTHEAST TEXAS THIS AFTERNOON AND AREAWIDE TONIGHT WITH LARGE HAIL...DAMAGING WINDS AND ISOLATED TORNADOES POSSIBLE. HEAVY RAIN WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... THE SQUALL LINE WILL PROGRESS ACROSS SOUTH LOUISIANA THROUGH TUESDAY MORNING WITH THE THREAT OF SEVERE WEATHER AND HEAVY RAIN CONTINUING. A COLD FRONT WILL SWEEP IN BEHIND THE FRONT BRINGING MUCH MORE STABLE CONDITIONS THROUGH SATURDAY. AN APPROACHING COLD FRONT WILL BRING A CHANCE OF THUNDERSTORMS ON SUNDAY. .INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS... MAY BE REQUIRED THIS AFTERNOON INTO TUESDAY MORNING. WILEY
In the hours before
Local storm report, Nov 18, 12:35 AM CST, 3 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1235 AM CST TUE NOV 18 2003
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1230 AM JASPER TX TORNADO
11/18/03 JASPER TORNADO SIGHTED BY PUBLIC
NEAR HWY 96
JYMLocal storm report, Nov 18, 3:34 AM CST, 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
334 AM CST TUE NOV 18 2003
TIME(CST) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0310 AM PINEVILLE LA TSTM WND DMG
11/18/03 RAPIDES RELAYED BY LAW
ENFORCEMENT...ROOF DAMAGE
TO HOUSE AND LIMBS OFF
TREES ON LOCKER RD IN
PINEVILLE
JYMThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 12:26 AM CST | Tornado Warning | LCH | Vernon | 34 min |
| Nov 18, 12:56 AM CST | Special Marine Warning | LCH | 64 min | |
| Nov 18, 1:10 AM CST | Tornado Warning | LCH | Vernon | 35 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2003Every severe thunderstorm warning in 2003
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.