Alert archive / Louisiana / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 40, NWS Lake Charles, LA
NWS Lake Charles, LA issued this severe thunderstorm warning at May 12, 2001, 5:43 PM CDT for Acadia Parish, Louisiana. It was in force for 62 min. No storm report in the archive falls 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.
The facts
- Issued
- May 12, 2001, 5:43 PM CDT (22:43 UTC)
- Expired
- May 12, 2001, 6:45 PM CDT
- In force
- 62 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Acadia Parish, LA
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 10.7 hours before the alert went out and 72 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
- 1266 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLCH 122243 SVRLCH LAC001-122345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LAKE CHARLES LA 543 PM CDT SAT MAY 12 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ACADIA PARISH IN SOUTHWEST LOUISIANA * UNTIL 645 PM CDT * AT 538 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES NORTHWEST OF IOTA...MOVING SOUTHEAST AT 10 MPH. * THIS STORM WILL BE NEAR... IOTA BY 555 PM CDT EGAN BY 615 PM CDT ESTHERWOOD...MIDLAND...CROWLEY BY 635 PM CDT SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND TORRENTIAL RAIN. THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY LARGE HAIL WHICH COULD CAUSE SIGNIFICANT DAMAGE TO PROPERTY. CALL 337-477-5285 TO REPORT SEVERE WEATHER TO THE WEATHER SERVICE. LAT...LON 3014 9258 3018 9228 3048 9236 3047 9258
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 May 12, 2:10 PM CDT, 3 hours 33 minutes earlier.
Area forecast discussion, May 12, 2:10 PM CDT, 3 hours 33 minutes before
SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LAKE CHARLES LA 210 PM CDT SAT MAY 12 2001 WITH DAYTIME HEATING SHOWER AND THUNDERSTORM DEVELOPMENT THIS AFTERNOON HAS BEEN FOCUSED MAINLY IN THREE AREAS OVER THE REGION. FIRST IS WITH THE FRONTAL BOUNDARY IN NORTHEAST TEXAS AND NORTHERN LOUISIANA. SECOND IS ACROSS THE NORTHERN SECTIONS OF THE FORECAST AREA FROM THE LAKES AREA OF TEXAS INTO CENTRAL LOUISIANA. FINALLY... THE THIRD AREA IS RIGHT ALONG THE COAST IN CONJUNCTION WITH THE SEA BREEZE CONVERGENCE BOUNDARY. MEANWHILE...WATER VAPOR IMAGERY SHOWS UPPER LEVEL TROF MOVING SOUTHEAST INTO THE LOWER MISSISSIPPI VALLEY. REMAINDER OF THIS AFTERNOON...SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE AFTERNOON HOURS. WITH COOLING TEMPS AND DRIER AIR IN THE MID LEVELS MOVING IN...STORMS WILL HAVE TO BE WATCHED CLOSELY FOR THE POSSIBILITY OF HAIL. OTHERWISE...WEAK VERTICAL WIND PROFILE MEANS SLOW MOVING STORMS BRINGING THE POSSIBILITY OF LOCALLY HEAVY RAINFALL. FORECAST PERIOD...SHOWERS AND THUNDERSTORMS WILL GRADUALLY DIMINISH THIS EVENING WITH THE LOSS OF DAYTIME HEATING AND UPPER TROF PULLS OFF TO THE EAST. SURFACE BOUNDARY WILL PUSH TOWARD THE COAST AND BECOME DIFFUSE BY SUNDAY MORNING. THIS WILL BRING NORTHERLY SURFACE WINDS WITH SLIGHTLY LOWER DEWPOINTS FOR SUNDAY INTO MONDAY. MID AND UPPER LEVEL RIDGING TO BUILD IN FROM THE WEST. THIS WILL BRING MUCH DRIER AIR IN THE MID LEVELS AND CAP THE ATMOSPHERE. ONLY POPS ON SUNDAY WILL BE ISOLATED RIGHT ALONG THE COAST OR JUST OFFSHORE WHERE LOW LEVEL CONVERGENCE BOUNDARY SETS UP. EXTENDED...MID AND UPPER LEVEL RIDGING LOOK TO HOLD THROUGH -THE WEEK. THEREFORE...WILL KEEP RAIN CHANCES OUT OF THE FORECAST. .LCH...NONE. .PRELIM NUMBERS... BPT 65/84/63/86/66 2-000 LCH 63/84/61/86/65 2-000 LFT 63/84/61/87/65 2-000 AEX 61/85/58/87/62 20000 7-RUA
In the hours before
Special weather statement, May 12, 5:15 PM CDT, 28 minutes before
LAZ027>033-041>045-051>055-TXZ180>182-201-215-216-032300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LAKE CHARLES LA 515 PM CDT SAT MAY 12 2001 ...AN AREA OF SHOWERS AND THUNDERSTORMS OVER SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS... LAKE CHARLES DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS FROM TYLER COUNTY OVER SOUTHEAST TEXAS EAST TO NEAR LAFAYETTE PARISH IN SOUTHWEST LOUISIANA. GUSTY WINDS...LOCALLY HEAVY RAINFALL...FREQUENT LIGHTNING AND SMALL HAIL COULD BE ASSOCIATED WITH THESE THUNDERSTORM. THIS AREA OF SHOWERS AND THUNDERSTORMS IS MOVING SOUTH AT NEAR 10 MPH. PERSONS TO THE SOUTH OF THESE STORMS...ESPECIALLY IN LAKE CHARLES AREA FOR CONTRABAND DAYS SHOULD SEEK COVER. SOME LOCAL FLOODING AND PEA SIZE HAIL HAVE ALREADY BEEN REPORTED OVER THE AREA. RAINFALL AMOUNTS OF 1 TO 2 INCHES PER HOUR COULD BE ASSOCIATED WITH THESE THUNDERSTORMS. PERSONS IN SOUTHWEST LOUISIANA SHOULD CONSIDER DELAYING TRAVELING TO THEIR DESTINATIONS FOP THE NEXT 1 TO 2 HOURS. THE THUNDERSTORMS WILL BEGIN DISSIPATING VERY RAPIDLY WITHIN THE NEXT 2 HOURS. FLATT
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; the sounding from the Mesonet's radiosonde archive.