Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 125, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at Oct 12, 2001, 7:12 PM CDT for Beauregard Parish, Louisiana. It was in force for 63 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Oct 12, 2001, 7:12 PM CDT (00:12 UTC)
- Expired
- Oct 12, 2001, 8:15 PM CDT
- In force
- 63 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Beauregard Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 12, 7:35 PM CDT | Thunderstorm Wind | Merryville, 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.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 0.2 hours before the alert went out and 66 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
- 2537 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 640 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
541
WUUS54 KLCH 130012
SVRLCH
LAC011-130115-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
712 PM CDT FRI OCT 12 2001
THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BEAUREGARD PARISH IN SOUTHWEST LOUISIANA
* UNTIL 815 PM CDT
* AT 712 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
A LINE EXTENDING FROM MERRYVILLE TO 5 MILES WEST OF SINGER TO
FIELDS...MOVING NORTHEAST AT 30 MPH.
* THIS STORM WILL BE NEAR...
JUNCTION BY 720 PM CDT
SINGER BY 725 PM CDT
DE RIDDER BY 740 PM CDT
DESTRUCTIVE WINDS UP TO 70 MPH CAN BE EXPECTED - TAKE COVER NOW
VEHICLES AND MOBIL HOMES ARE NOT SAFE.
CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE.
LAT...LON 3086 9355 3043 9368 3050 9349 3050 9331
3087 9321What 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 Oct 12, 1:46 PM CDT, 5 hours 26 minutes earlier.
Area forecast discussion, Oct 12, 1:46 PM CDT, 5 hours 26 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION...COR
NATIONAL WEATHER SERVICE LAKE CHARLES LA
146 PM CDT FRI OCT 12 2001
...CORRECTION FOR AEX POP FROM 70 TO 40...
.TONIGHT...
GULF AIR ADVECTION STRENGTHENS. EXPECT INCREASING CLOUDINESS AS GULF
AIR OVERRIDES FILM OF DRIER AIR AT THE SURFACE. THE ATMOSPHERE IS
BEING PRE-CONDITIONED FOR UPCOMING HEAVY RAIN EVENT. INCOMING GULF
AIR SHOULD KEEP MINIMUMS ON THE WARM SIDE (ABOUT 10 TO 15 F DEGREES
ABOVE NORMAL).
.SATURDAY...
A HEAVY RAIN EVENT SEEMS LIKELY. STRONG ADIABATIC LIFT WILL BE IN
PLACE. THE NGM TRAJECTORY MODEL COMPUTES A NET VERTICAL DISPLACEMENT
OF THE 700 MB SURFACE AT +80 MB WITHIN A 12 HOUR PERIOD). OTHER
FACTORS NOTED ACROSS THE FORECAST AREA INCLUDE...700-300 MB THICKNESS
DIFLUENCE...700-300 MB QUASI-GEOSTROPHIC LIFT...AND 1000-500 MB MEAN
RH NEAR 90 PERCENT.
MARGINAL INSTABILITY SEEMS TO BE THE ONLY LIMITING FACTOR. THE 700-
300 MB LAPSE RATES ARE RUNNING NEAR 6.5 C DEG PER KM...WHICH IS
MARGINALLY UNSTABLE (FOR A CLOUDY AIR PARCEL UNDERGOING AVERAGE
ENTRAINMENT IN A MOIST ENVIRONMENT).
AFTER TALKING WITH THE SURROUNDING OFFICES...I HAVE DECIDED TO ISSUE
A FLASH FLOOD WATCH FOR SOUTHEAST TEXAS...AND FOR WEST CENTRAL AND
SOUTHWEST LOUISIANA. ALSO I WILL ISSUE A SPECIAL WEATHER STATEMENT
(HEAVY RAIN OUTLOOK) TO COVER THE REMAINDER (EAST CENTRAL AND SOUTH
CENTRAL LOUISIANA).
SPECIAL THANKS TO HOUSTON, NEW ORLEANS, SHREVEPORT OFFICES AND TO
THE HYDRO-METEOROLOGICAL PREDICTION CENTER.
.LCH...FFA (FLOOD WATCH) TXZ180>182-201-215-216
... LAZ027-030-031-041-042-051
.PRELIMINARY NUMBERS...
AEX 70/78/55/76/49/73/50 4830000
BPT 73/80/56/77/55/75/58 4800000
LCH 72/80/56/77/53/75/57 4800000
LFT 70/83/58/76/52/73/54 4830000
TRARESIn the hours before
Local storm report, Oct 12, 3:46 PM CDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
346 PM CDT FRI OCT 12 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0300 PM 5 E SOUR LAKE TX TORNADO
10/12/01 HARDIN A TORNADO WAS SEEN BY
SEVERAL PEOPLE NEAR HWY
105...NO DAMAGED SINCE IT
WAS OVER UNPOPULATED ZONE.
0304 PM 2 W BEVIL OAKS TX TORNADO
10/12/01 JEFFERSON TORNADO TOUCHED DOWN NEAR
HWY 105. SEVERAL REPORTS
FROM MOTORISTS.
FNLocal storm report, Oct 12, 3:54 PM CDT, 3 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
354 PM CDT FRI OCT 12 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0340 PM LUMBERTON TX TORNADO
10/12/01 HARDIN TREES KNOCKED DOWN...NO
INJURIES REPORTED.
FNSpecial weather statement, Oct 12, 3:54 PM CDT, 3 hours 18 minutes before
LAZ028-029-032-033-043>045-052>055-130900- HEAVY RAIN OUTLOOK NATIONAL WEATHER SERVICE LAKE CHARLES LA 354 PM CDT FRI OCT 12 2001 ...HEAVY RAINS FOR SATURDAY... AN APPROACHING TEXAS COLD FRONT WILL LIFT A DEEP GULF AIR MASS... THUS GENERATING TROPICAL DOWNPOURS. ALSO SOME OF THESE THUNDERSTORMS COULD BECOME SEVERE. AVERAGE RAINFALL TOTALS WILL RANGE BETWEEN ONE AND TWO INCHES...WITH LOCAL AMOUNTS NEAR THREE INCHES. THE RAINS SHOULD BE TAPERING OFF BY LATE AFTERNOON. TRARES
Local storm report, Oct 12, 4:23 PM CDT, 2 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAKE CHARLES, LA
423 PM CDT FRI OCT 12 2001
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0405 PM 2 S EVADALE TX TORNADO
10/12/01 JASPER CONFIRMED TORNADO
TOUCHDOWN BY THE EVADALE
FIRE DEPARTMENT TRAVELING
SOUTH ON HWY 105
FNThe office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 7:30 PM CDT | Tornado Warning | LCH | Beauregard | 45 min |
| Oct 12, 8:43 PM CDT | Severe Thunderstorm Warning | LCH | Vernon | 47 min |
| Oct 12, 9:00 PM CDT | Severe Thunderstorm Warning | LCH | Allen | 60 min |
| Oct 12, 9:48 PM CDT | Severe Thunderstorm Warning | LCH | Rapides | 57 min |
| Oct 12, 10:47 PM CDT | Severe Thunderstorm Warning | LCH | Avoyelles, Rapides | 43 min |
| Oct 13, 4:47 AM CDT | Special Marine Warning | LCH | 43 min | |
| Oct 13, 4:47 AM CDT | Special Marine Warning | LCH | 43 min | |
| Oct 13, 5:02 AM CDT | Tornado Warning | LCH | Beauregard | 28 min |
| Oct 13, 5:05 AM CDT | Tornado Warning | LCH | Vernon | 55 min |
| Oct 13, 5:24 AM CDT | Tornado Warning | LCH | Beauregard | 36 min |
| Oct 13, 5:33 AM CDT | Special Marine Warning | LCH | 57 min | |
| Oct 13, 5:33 AM CDT | Special Marine Warning | LCH | 57 min | |
| Oct 13, 5:40 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu | 65 min |
| Oct 13, 5:48 AM CDT | Severe Thunderstorm Warning | LCH | Cameron | 57 min |
| Oct 13, 6:02 AM CDT | Severe Thunderstorm Warning | LCH | Rapides | 58 min |
| Oct 13, 6:25 AM CDT | Severe Thunderstorm Warning | LCH | Allen, Beauregard | 65 min |
| Oct 13, 6:34 AM CDT | Severe Thunderstorm Warning | LCH | Vermilion | 56 min |
| Oct 13, 6:47 AM CDT | Severe Thunderstorm Warning | LCH | Calcasieu, Cameron | 58 min |
| Oct 13, 6:57 AM CDT | Severe Thunderstorm Warning | LCH | Rapides | 48 min |
| Oct 13, 7:00 AM CDT | Severe Thunderstorm Warning | LCH | Jefferson Davis | 60 min |
| Oct 13, 7:10 AM CDT | Severe Thunderstorm Warning | LCH | Avoyelles | 65 min |
| Oct 13, 7:13 AM CDT | Severe Thunderstorm Warning | LCH | Evangeline | 62 min |
| Oct 13, 7:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Oct 13, 7:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Oct 13, 7:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Oct 13, 7:26 AM CDT | Special Marine Warning | LCH | 64 min | |
| Oct 13, 7:32 AM CDT | Severe Thunderstorm Warning | LCH | Allen | 58 min |
| Oct 13, 7:56 AM CDT | Severe Thunderstorm Warning | LCH | Acadia | 64 min |
| Oct 13, 8:08 AM CDT | Severe Thunderstorm Warning | LCH | Vermilion | 67 min |
| Oct 13, 8:31 AM CDT | Severe Thunderstorm Warning | LCH | Saint Landry | 59 min |
| Oct 13, 8:37 AM CDT | Tornado Warning | LCH | Acadia | 23 min |
| Oct 13, 8:39 AM CDT | Tornado Warning | LCH | Vermilion | 66 min |
| Oct 13, 8:42 AM CDT | Severe Thunderstorm Warning | LCH | Lafayette | 63 min |
| Oct 13, 8:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| Oct 13, 8:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| Oct 13, 8:51 AM CDT | Special Marine Warning | LCH | 54 min | |
| Oct 13, 9:05 AM CDT | Severe Thunderstorm Warning | LCH | Acadia | 25 min |
| Oct 13, 9:24 AM CDT | Severe Thunderstorm Warning | LCH | Saint Martin | 66 min |
| Oct 13, 9:43 AM CDT | Severe Thunderstorm Warning | LCH | Iberia | 62 min |
| Oct 13, 10:25 AM CDT | Severe Thunderstorm Warning | LCH | St. Mary | 65 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 2001Every severe thunderstorm warning in 2001
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.